|Optical communications patents - Monitor Patents|
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Optical communicationsBelow are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 12/04/2014 > 28 patent applications in 22 patent subcategories.
20140355976 - Optical transmission device, optical transmission system, and optical transmission method: The optical transmission device includes an N×N optical switch, an optical packet receiver and an optical packet generation unit. The N×N optical switch transmits data in which a plurality of optical signals each having a different wavelength is multiplexed. The optical packet receiver detects change in the number of wavelengths... Agent: Fujitsu Telecom Networks Limited
20140355977 - Optical switching: A network node comprises an optical input, an optical output, a random-access queue and a processing system. It receives a data packet, at the optical input and determines whether to process it as a guaranteed-service packet or as a statistically-multiplexed packet. A guaranteed-service packet is output within a predetermined maximum... Agent: Transpacket As
20140355978 - Optical transmission system, optical transmission apparatus, and optical transmission method: An optical transmission system includes a transmission side optical transmission apparatus having a transmitting unit configured to transmit optical signals of a predetermined number of differing wavelengths, and a processor configured to apply to the optical signals transmitted from the transmitting unit, a predetermined offset related to a tilt; and... Agent: Fujitsu Telecom Networks Limited
20140355979 - System and method for an optical coupler: In one embodiment, an optical directional coupler includes an input terminal configured to receive an input optical signal and a first coupler optically coupled to the input terminal, where the first coupler has a first coupling length, and where the first coupler is configured to couple a first portion of... Agent:
20140355980 - Optical communication apparatus and control method thereof: An optical communication apparatus includes a variable resistor unit, a measurement unit, and a control unit. The variable resistor unit is arranged at a pre-stage of an electrical/optical conversion unit, which converts an electrical signal obtained by converting an input packet to an optical signal having a waveform corresponding to... Agent: Fujitsu Telecom Networks Limited
20140355982 - Optical network as a single managed entity: An example embodiment involves a method for adjusting an operating parameter of a node in an optical network which comprises a plurality of nodes, the method comprising the steps of: measuring at the node a value of at least one characteristic associated with the operating parameter of the node; distributing... Agent:
20140355981 - Optical transmission device, optical transmission system, and test method for alarm function: An optical transmission device includes a splitter configured to have at least a first port, a second port, and a third port that output branched input light, branching ratios of the first port and the second port being variable, and a controller configured to reduce an optical level of output... Agent: Fujitsu Limited
20140355983 - Fluid-cooled electronic circuit device with cooling fluid conduits having optical transmission medium: An electronic circuit device, including a combined optical transmission and cooling fluid conduit network. The network includes at least one cooling conduit having an optical transmission medium. The network is configured to convey a cooling fluid via the at least one cooling conduit and to convey an electromagnetic signal via... Agent: International Business Machines Corporation
20140355984 - Colorless, reconfigurable, optical add-drop multiplexer (roadm) apparatus and method: A colorless, reconfigurable, optical add-drop multiplexer (a colorless ROADM) is disclosed. The ROADM may include a de-interleaver, a diffraction grating, and a lens. The de-interleaver may separate an input signal into a first output signal, comprising odd channels, and a second output signal, comprising even channels. The diffraction grating may... Agent:
20140355986 - Interface and method for enabling interconnection of a host device and a small-formfactor pluggable module: The present invention relates to an interface and method for enabling interconnection of a host device and a small-formfactor pluggable module. The interface comprises a host device connector operative to receive a mating small-formfactor pluggable module connector and a switching device connected to the host device connector and operative to... Agent: Telefonaktiebolaget L M Ericsson (publ)
20140355985 - Optical beam routing apparatus and methods: This invention relates to methods and apparatus for routing light beams in telecommunications devices using holographic techniques, in particular by displaying kinoforms on LCOS (Liquid Crystal on Silicon) devices. Thus we describe optical beam routing apparatus comprising: at least one optical input to receive an input beam; a plurality of... Agent:
20140355987 - Method and device for transmitting optical signals: Disclosed are a method and device for transmitting optical signals. The method comprises: if there is Raman crosstalk between a first optical network system and a coexistence system, an upstream wavelength band of the first optical network system is set outside a range with an upstream wavelength band of the... Agent: Zte Corporation
20140355988 - Communication control devices and method: There is provided a communication control device including a communication control processing portion that performs at least one type of communication control processing when a control signal that requests a response signal is received from a partner device, a transmission processing portion that transmits the response signal to the partner... Agent: Oki Electric Industry Co., Ltd.
20140355989 - Systems and methods for providing broadband communication: Systems and methods for providing broadband communication are provided. An optical fiber node may be coupled to a source component. The optical fiber node may receive, from the source component, a downstream light signal via at least one input optical fiber, and transmit the downstream light signal to a plurality... Agent:
20140355991 - A method of processing a digital signal for transmission, a method of processing an optical data unit upon reception, and a network element for a telecommunications network: A method of processing a digital signal for transmission is provided comprising digital data frames, by compressing the digital data frames; and generating an optical data unit for transmission comprising multiple of the compressed digital data frames. The optical data unit is configured for transport by an Optical Transport Network,... Agent: Alcatel Lucent
20140355992 - Wavelength and bandwidth allocation method: A wavelength and bandwidth allocation method which includes in order: a wavelength allocation step of allocating each wavelength of an uplink signal to each ONU so that the sum of target bandwidths each allocated as a target to each of the ONUs to which each wavelength of the uplink signal... Agent:
20140355990 - Wavelength division multiplexing passive optical network system: This disclosure describes a wavelength division multiplexing passive optical network system (100) comprising an optical line terminal (180) for controlling transmission of data that are carried by optical signals across the optical network system along an upstream or downstream path; a signal modulating loop circuit including a circulator (110) connected... Agent: Telekom Malaysia Berhad
20140355993 - Electronic device and storage medium with remote control function, and remote control method: An infrared control method is configured to remotely control a plurality of terminals via a remote control of an electronic device. The electronic device includes a first communication unit, a second communication unit, a storage unit storing an ID code of each terminal. The method includes the following steps. Obtaining... Agent:
20140355995 - Optoelectronic device having improved optical coupling: An optoelectronic device may include a package having a component for sending/receiving optical signals along a first direction, and a chip of semiconductor material housed within the package. The chip may have a main surface and a portion exposed on the main surface for sending/receiving the optical signals along a... Agent: Stmicroelectronics S.r.i.
20140355994 - System and method for the sub-octave transmission of multi-octave telecommunications signals: A system and method are provided for transmitting multi-octave telecommunications signals, as sub-octave signals, on an optical fiber. Using different modems, digital signals are modulated onto respective radio frequency (RF) carriers. In detail, the resultant RF signals (fn) are all within a same lower frequency band. At least one fn... Agent:
20140355996 - High definition multimedia interface and network interface adapter device: An adapter device converting HDMI signals to a format suitable for network transmission includes a HDMI module, a network module, and a light guiding pipe between the two. The HDMI module includes a HDMI plug and a first photoelectric converter. The network module includes a network plug, a second photoelectric... Agent: Hon Hai Precision Industry Co., Ltd.
20140355997 - Micro bi-directional optical sub-assembly: A BOSA package comprising only one cylindrical TO package comprising a ROSA and a TOSA, and an optical port in optical communication with the ROSA and the TOSA. Also disclosed is a TO package comprising a TOSA for transmitting a first optical signal, a ROSA for receiving a second optical... Agent: Futurewei Technologies, Inc.
20140355998 - Method and device for synchronizing entanglement sources for a quantum communication network: According to one aspect, the invention relates to a device (20) for synchronizing optical pumping entanglement sources (141, 142) in a quantum communication network, including a pulsed light source (21) enabling the emission of telecom-wavelength light pulses (I1,I2), which are distributed in parallel with all of the entanglement sources in... Agent: Centre National De La Recherche Scientifique-cnrs
20140355999 - Optical signal transmission device applying alternative and selectable transmission paths: An optical signal transmission device is used for transmitting optical light rays from a number of light emitters to a number of light receivers, and includes a substrate, a number of first optical waveguide elements, a number of second optical waveguide elements, a number of reflectors, and an integrated circuit.... Agent: Hon Hai Precision Industry Co., Ltd.
20140356000 - Asset tracking system for rack-based enclosures: A system includes a beacon device including a communication strip having a plurality of directed light emitters distributed along the communication strip. The beacon device can transmit a directed light signal via the directed light emitters. The system further includes a tag including a processor, a radio frequency transmitter coupled... Agent:
20140356001 - Chip-based advanced modulation format transmitter: In various embodiments, a monolithic integrated transmitter, comprising an on-chip laser source and a modulator structure capable of generating advanced modulation format signals based on amplitude and phase modulation are described.... Agent: Freedom Photonics, LLC.
20140356002 - Flattened optical frequency-locked multi-carrier generation by one dml and one phase modulator: The disclosure relates to a method for optical frequency-locked multi-carrier generation based on one directly-modulated laser (DML) and one phase modulator (PM) in cascade driven by sinusoidal waveform (at the same or different frequency). When the DML and PM is driven by the same frequency RF signal at 12.5 GHz,... Agent: Zte (usa) Inc.
20140356003 - Optical receiver having a chromatic-dispersion compensation module with a multibranch filter-bank structure: An optical receiver having an electronic dispersion-compensation module with two parallel signal-processing branches configured to provide a greater range of dispersion compensation than that provided by a prior-art device of comparable implementation complexity. In an example embodiment, each of the signal-processing branches includes a respective bank of finite-impulse-response filters that... Agent: Alcatel-lucent11/27/2014 > 19 patent applications in 17 patent subcategories.
20140348499 - Infrared control device: An infrared device configured to remotely control a remote controlled device includes an infrared emitter and a processor. The processor includes a pin connected to the infrared emitter, a generating unit, and a control unit. The generating unit is configured to automatically generate different infrared signals each corresponding to a... Agent: Hon Hai Precision Industry Co., Ltd.
20140348500 - Optical receiver and slice level control method: An optical receiver includes a first discriminator in which an optimal point of a slice level is set and that compares a received signal to the slice level and discriminately outputs the received signal; a second discriminator that is connected in parallel to the first discriminator, compares the received signal... Agent: Fujitsu Optical Components Limited
20140348501 - Embedded apparatus to monitor simulated brillouin scattering from raman amplifier in fiber optics transmission system: The embedded apparatus disclosed herein may measure reflection coefficient values associated with back reflections in a fiber optics transmission system during a variable detection window to detect normal conditions, simulated Brillouin scattering (SBS), or excessive back reflections triggering remedial action. For example, the back reflections may indicate normal conditions if... Agent:
20140348502 - Method of monitoring wavelength of optical signal output from light emitting element and optical signal monitoring circuit: An optical signal monitor circuit is an optical signal monitor circuit including a PD which directly detects an optical signal and converts the optical signal into a photocurrent, a PD which detects the optical signal and converts the optical signal into a photocurrent, a resistance element which converts these photocurrents... Agent: Sumitomo Electric Industries, Ltd.
20140348504 - Directionless optical architecture and highly available network and photonic resilience methods: A directionless optical architecture is described for reconfigurable optical add/drop multiplexers (ROADMs) and wavelength selective switches (WSSs). The directionless architecture utilizes a directionless wavelength switch coupled between client devices and ROADMs/WSSs to eliminate the need to hard-wire client devices to a wavelength division multiplexed (WDM) network. Accordingly, client device connections... Agent: Ciena Corporation
20140348503 - Method for optimizing optical network: A method for optimizing an optical network includes: obtaining a lightpath demand set including multiple lightpath demands; generating multiple lightpath demand sequences with different orders from the lightpath demand set; obtaining results of the respective lightpath demand sequences in parallel by multiple processing terminals; obtaining all the results, and comparing... Agent: Zhangjiagang Institute Of Industrial Technologies Soochow University
20140348505 - Data over cable service interface specification (docsis) over passive optical network (pon): A Data Over Cable Service Interface Specifications (DOCSIS) Passive Optical Network (PON) system (DPON) makes optical subscribers appear as cable subscribers. In one embodiment, a Cable Modem (CM) proxy is located in an Optical Line Termination (OLT). The OLT implements a cable modem protocol stack that operates as the CM... Agent:
20140348507 - Method, apparatus, and system for processing optical network signal: Embodiments of the present invention provide a method, an apparatus, and a system for processing an optical network signal. The method includes: receiving an optical signal sent by an optical line terminal, where the optical signal includes two polarization components perpendicular to each other, and downlink data is modulated on... Agent:
20140348506 - Optical transmission apparatus and optical transmission method: An optical transmission apparatus includes: an optical amplifier configured to amplify a wavelength multiplexing light to be transmitted, the wavelength multiplexing light being input thereto; a combining unit configured to combine a plurality of non-signal lights in such a way that angles formed between polarization planes of the plurality of... Agent: Fujitsu Limited
20140348508 - Method, terminal, and system for fiber network management: The present invention provides a method, terminal and system for fiber network management. A terminal obtains configuration information from a management system and sending an identifier of a configuration port connected to a fiber to an ODN device to allow the ODN device to indicate, according to the configuration port... Agent:
20140348509 - Fiber-optic communication apparatus and fiber-optic communication terminal incorporating the same: A fiber-optic communication apparatus includes a modulator, a combiner and an electro-optic converter. The modulator modulates a number (N) of radio frequency (RF) signals with the same frequency respectively into a number (N) of modulated signals with mutually different frequencies, where N≧2. The combiner is coupled to the modulator for... Agent: Amoesolu Corporation
20140348510 - Data center with free-space optical communications: A data center for executing a data processing application includes processing units, sub-units or servers. Each of the processing units, sub-units or servers can execute a part or all of the data processing application. The processing units, sub-units or servers are electrical disjoint with respect to data communications, but can... Agent:
20140348511 - Mitigating noise and obi in rfog networks: A bi-directional optical transceiver includes multiple single mode optical ports and a multi-mode optical port. A multi-mode optical combiner combines single mode optical signals received at the single mode optical ports into a multi-mode optical signal at the multi-mode optical port. Each single mode optical signal has a distinct optical... Agent:
20140348512 - Method and apparatus for performing data rate conversion and phase alignment: A gearbox IC is incorporated into an optical communications system to enable an optical link that incorporates the system to achieve data rates that are at least double that which are currently achievable in optical links. The gearbox IC is compatible with ASIC designs currently used in optical fiber links.... Agent: Avago Technologies GeneralIP(singapore) Pte. Ltd.
20140348513 - Optical assembly for optical communication systems: An optical assembly comprising a semiconductor chip having a handle layer and a device layer on the handle layer. The device layer comprises a focusing element, a MEM device, and one or more support islands coupled to a different portion of the handle layer. One portion of the MEM device... Agent: Alcatel-lucent Usa, Inc.
20140348514 - Method of converting an optical communications signal and an optical receiver: A method of converting an optical communications signal having a differentially encoded multilevel modulation format into communications traffic bits, the multilevel modulation format having a plurality of constellation points, the method comprising: receiving a consecutive pair of symbol signals of said optical communications signal, the pair of symbol signals being... Agent: Telefonaktiebolaget L M Ericsson (publ)
20140348515 - Optical receiver and method for controlling optical receiver: In order to suppress occurrence of a code error which occurs when an optical receiver detects a signal over a wide range of input intensity of the signal light by using a simple configuration, an optical receiver includes local light oscillation unit for generating a local oscillation light with a... Agent: Nec Corporation
20140348516 - Monolithic widely-tunable coherent receiver: Various embodiments of a coherent receiver including a widely tunable local oscillator laser are described herein. In some embodiments, the coherent receiver can be integrated with waveguides, optical splitters and detectors to form a monolithic optical hetero/homodyne receiver. In some embodiments, the coherent receiver can demodulate the full phase information... Agent: Freedom Photonics, LLC.
20140348517 - Optical receiver: An optical receiver including a waveguide substrate including a first waveguide that transmits a main signal beam, a second waveguide that transmits a monitoring beam that has branched from the main signal beam, and a third waveguide that transmits an amplification beam to amplify the main signal beam; a light... Agent: Fujitsu Optical Components Limited11/20/2014 > 37 patent applications in 26 patent subcategories.
20140341559 - Communication device, communication system, and communication method: A communication device includes a frame processing unit configured to allocate a plurality of first regions and a plurality of second regions in a frame, and contain portions of a packet in the plurality of first regions, a transmitting unit configured to transmit the frame, and a receiving unit configured... Agent: Fujitsu Limited
20140341561 - Cooperative multi-point (comp) in a passive optical network (pon): A method for error detection within a passive optical network (PON), the method comprising receiving a first upstream optical signal that is copied at an optical splitter, converting the first upstream optical signal to a first electrical signal, receiving a second electrical signal that is converted from a second upstream... Agent: Futurewei Technologies, Inc.
20140341560 - Protection channel provisioning method and node equipment: A protection channel provisioning method includes: reserving a first protection channel corresponding to a first work channel and a second protection channel corresponding to a second work channel; provisioning a shared protection channel by configuring a circuit of node equipment provided on a shared route on which the first protection... Agent: Fujitsu Limited
20140341562 - Systems and methods of optical path protection for distributed antenna systems: Systems and methods for optical path protection for distributed antenna systems are provided. In one embodiment, a system comprises a hub and at least one node located remotely from the hub. The hub is coupled to the node by first and second fiber paths, the first fiber path comprising an... Agent:
20140341564 - Method and system for common-mode-rejection-ratio (cmrr) characterization of an integrated coherent receiver: There are provided a method and a system for characterizing the CMRR of an ICR under test, which employ highly coherent light from two continuous-wave (CW) single-frequency lasers whose respective optical frequencies mutually differ by an offset defining an “Intermediate Frequency” (fIF) in the rf electrical baseband. The method involves... Agent: Exfo Inc.
20140341563 - Process controller with integrated optical sensing: The present disclosure relates generally to a process controller and more specifically to a process controller with integrated optical sensing.... Agent: Watlow Electric Manufacturing Company
20140341567 - Compensation for an optical sensor via a printed circuit board: Opto-electronic measuring arrangement which is largely independent of extraneous light, comprising emitted and compensation light sources, which emit light time-sequentially and in a phased manner, wherein the emitted light is phase-shifted respectively by 180°. An optical receiver receives the light emitted by the emitted light source and reflected by the... Agent:
20140341566 - Speed test throughput distribution: A method may include determining a total data demand distribution for a plurality of subscribers associated with a link between a gateway router (GWR) and an optical line terminal (OLT) in a network. The method also includes identifying a maximum link capacity of the link between the GWR and the... Agent: Verizon Patent And Licensing Inc.
20140341570 - Amortization of expensive optical components: A laser system includes an array of lasers that emit light at a number of different, fixed wavelengths. A group of optical transport systems connect to the laser system. Each of the optical transport systems is configured to modulate data signals onto the light from the laser system to create... Agent:
20140341568 - High-throughput network traffic monitoring through optical circuit switching and broadcast-and-select communications: A network traffic collecting and monitoring system includes a traffic processing and dispatching module that pre-processes network traffic received from traffic tapping modules. A traffic collecting module receives and consolidates the network traffic and sends the network traffic to higher-layer applications. A controller dynamically configures the traffic processing and dispatching... Agent: Sodero Networks, Inc.
20140341569 - Mobile communication repeater integrated monitor device, and method and system for mobile communication relay and information provision: An integrated mobile communication repeater monitoring device, and method and system for mobile communication relay and information provision, is provided. Signals received from communication networks are divided into signals of mobile communication channels and signals of data channels, mobile communication services are provided to on the basis of the signals... Agent: Kt Corporation
20140341571 - Optical transmitter: A photodiode converts an optical signal output from a laser diode to a current signal, and a current-to-voltage conversion circuit converts the current signal to a voltage signal. A comparison amplifier compares the voltage signal with a reference voltage to control the current flowing from a variable current source and... Agent: Mitsubishi Electric Corporation
20140341573 - Optical switching architectures for nodes in wdm mesh and ring networks: Switching architectures for WDM mesh and ring network nodes are presented. In mesh networks, the switching architectures have multiple levels—a network level having wavelength routers for add, drop and pass-through functions, an intermediate level having device units which handle add and drop signals, and a local level having port units... Agent:
20140341572 - Routing and bandwidth assignment for flexible grid wavelength switched optical networks: Routing and bandwidth assignment of new paths of different bandwidths, occupying different numbers of adjacent frequency slots in a wavelength switched optical network, involves selecting a route, and assigning a set of adjacent frequency slots. The assignment can place wider bandwidth ones of the new paths at an opposite end... Agent: Telefonaktiebolaget L M Ericsson (publ)
20140341574 - Reconfigurable optical access network architectures: An apparatus comprising a first tunable transmitter array comprising a first tunable transmitter and a second tunable transmitter and a cyclic array waveguide grating (AWG) wavelength router coupled to the first tunable transmitter array, wherein the cyclic AWG wavelength router comprises a plurality of input ports and a plurality of... Agent: Futurewei Technologies, Inc.
20140341575 - Signal manipulator for a quantum communication system:
20140341576 - Method for processing data in an optical network element and optical network element: A method for processing data in an optical network element is provided, wherein a multicarrier signal is linear pre-coded, and wherein the linear pre-coded signal is modulated. An according optical network element is also suggested.... Agent:
20140341577 - Ethernet passive optical network over coaxial (epoc) system rate mechanism: An Ethernet passive optical network over coaxial (EPOC) system rate mechanism. A network device is provided that includes a physical layer device (PHY) that is configured for coupling to a coaxial cable, a medium independent interface that facilitates data transmission at 10 Gbit/s or greater, and a reconciliation sublayer that... Agent: Broadcom Corporation
20140341578 - Aligning and directly optically coupling photodetectors to optical demultiplexer outputs in a multichannel receiver optical subassembly: A multi-channel receiver optical subassembly (ROSA) such as an arrayed waveguide grating (AWG), with outputs directly optically coupled to respective photodetectors such as photodiodes. In one embodiment, an AWG may be configured such that optical components of the AWG do not interfere with direct optical coupling, and the wire bonding... Agent: Applied Optoelectronics, Inc.
20140341579 - Statistical optical design enabled via twdm-pon: An optical line terminal (OLT) in a time and wavelength division multiplexed (TWDM) passive optical network (PON). The OLT comprises a first optical port, a second optical port, and a processor. The first optical port is configured to couple to a plurality of optical network units (ONUs) via an optical... Agent: Futurewei Technologies, Inc.
20140341580 - Compact multi-channel optical transceiver module: A compact multi-channel optical may include a multi-channel transmitter optical subassembly (TOSA), a multi-channel receiver optical subassembly (ROSA) and a circuit board configured and arranged to fit within a relatively small space. The multi-channel ROSA is spaced from the circuit board to allow circuit components to be mounted between the... Agent: Applied Optoelectronics, Inc.
20140341581 - Isolating differential transmission lines: An apparatus includes a first differential transmission line and a second differential transmission line. The second differential transmission line is parallel to the first differential transmission line through an overlap region. The first differential transmission line includes a first line and a second line. The first differential transmission line includes... Agent: Fujitsu Semiconductor Limited
20140341582 - Systems and methods for single wavelength with dual channels for control signal and internet data transmission: Systems and methods for single wavelength with dual channels for control signal and Internet data transmission are disclosed. According to an aspect, a network unit may include a communications module configured to receive a single wavelength signal having first and second channels. The first channel may carry Internet data. The... Agent: North Carolina State University
20140341583 - Reconfigurable optical add-drop multiplexer: A reconfigurable optical device including input and output ports, and add or drop ports, has a high degree of flexibility such that any wavelength channel from any optical signal introduced through the add ports may be added to any of the optical signals transmitted through the output ports. In addition,... Agent:
20140341584 - High-bandwidth underwater data communication system: An apparatus is described which uses directly modulated InGaN Light-Emitting Diodes (LEDs) or InGaN lasers as the transmitters for an underwater data-communication device. The receiver uses automatic gain control to facilitate performance of the apparatus over a wide-range of distances and water turbidities.... Agent: Fairfield Industries Incorporated
20140341585 - Wireless relay system and employment method thereof: The wireless relay system may include: at least one control target device installed in a home or an office; a smart device in which a specific App provided from an application market is downloaded and installed; and a wireless extender, which is connected with the at least one control target... Agent: Next Generation Home Products
20140341587 - Optical transmission system and optical transmission method: An optical transmission system includes an optical transmitter and an optical receiver. The optical transmitter includes: a first digital signal processor configured to generate an electric-field information signal corresponding to a transmission signal; and a transmitter front-end configured to generate an optical signal from the electric-field information signal. The optical... Agent:
20140341586 - System and method for multiple layer satellite communication: A system and method are disclosed that may include a system and method for transmitting user data from an initial satellite in a first constellation located conveniently to an origination user terminal to a destination satellite in the first constellation located conveniently to a destination user terminal, the method including... Agent:
20140341588 - Led light fixture: An LED light fixture includes one or more optical transceivers that have a light support having a plurality of light emitting diodes and one or more photodetectors attached thereto, and a processor in communication with the light emitting diodes and the one or more photodetectors. The processor is constructed and... Agent: Federal Law Enforcement Development Services, Inc.
20140341589 - Reliable visibile light communication with dark light synchronization: LEDs that transmit or receive data in a VLC channel may create a flickering effect which is caused by the human eye being able to perceive the fluctuations of the light intensity in a LED. To prevent flickering such that the LED is perceived as being illuminated at a constant... Agent: Disney Enterprises, Inc.
20140341590 - Optical communication device: An optical communication device includes a printed circuit board (PCB), a light emitting element, a light receiving element, and a light waveguide. The PCB includes a substrate. The substrate includes a first end surface and a second end surface opposite to the first end surface. The light emitting element is... Agent: Hon Hai Precision Industry Co., Ltd.
20140341591 - Systems and methods for optically powering transducers and related transducers: The present disclosure describes an optically powered transducer with a photovoltaic collector. An optical fiber power delivery method and system and a free space power delivery method are also provided. A fabrication process for making an optically powered transducer is further described, together with an implantable transducer system based on... Agent:
20140341592 - Apparatus and method of compensating for compact digital domain chromatic dispersion: A method and apparatus of compensating for compact digital domain chromatic dispersion. The distortion of an optical signal due to chromatic dispersion is compensated by a digital signal processing in the electrical domain, either prior to the optical transmitter or following the receiver. The circular coefficient approximation and sub-band processing... Agent: Huawei Technologies Co., Ltd.
20140341593 - Method and apparatus for optical transmission in a communication network: A manner of mitigating the self heating effect of a laser or other light source such as a laser in a network node of a communication network. A self-heating mitigation module is provided, the self-heating mitigation module includes one or both of a self-heating adjustment module to accelerate self heating... Agent: Alcatel-lucent
20140341594 - Optical homodyne coherent receiver and method for receiving a multichannel optical signal: This disclosure relates to an optical receiver arrangement (500) and a method for receiving a multichannel optical signal OB in an optical receiver arrangement (500), wherein the optical signal OB comprises a number of optical channels A, B, C, D equally distributed around an optical carrier frequency fLO and wherein... Agent: Telefonaktiebolaget L M Ericsson (publ)
20140341595 - Digital noise loading for optical receivers: Managing performance of an optical communications network may be facilitated by digital noise loading techniques. The digital noise loading techniques may include measuring a quality of a communication signal received at a coherent optical receiver, applying digital noise to the communication signal at the coherent optical receiver, and detecting a... Agent: Ciena Corporation11/13/2014 > 22 patent applications in 20 patent subcategories.
20140334811 - Apparatus and method for conserving power in a passive optical network: An apparatus and method for cost-effectively conserving power in a PON. Protection ports, usually on a protection LT card, are configured to communicate with a selectable one of the downstream ODN splitter/combiners associated with the primary ports on the remaining LT cards of the OLT. Each protection port includes at... Agent: Alcatel Lucent
20140334812 - Wavelength multiplexing optical communication device: A wavelength multiplexing optical communication device includes: a pluggable LD module that generates a check optical signal having a specific wavelength; a multiplexer that multiplexes the check optical signal onto the transmitting-side optical fiber which links the transmitting-side connector with a corresponding output port of the optical demultiplexer, the transmitting-side... Agent: Mitsubishi Electric Corporation
20140334813 - Channel validation in optical networks using multi-channel impairment evaluation: In an optical communication network that includes a plurality of interconnected network nodes, a method includes storing in each network node, and for each communication channel that traverses the node, one or more impairment margins of respective impairments that affect the communication channel. A potential communication channel that traverses a... Agent:
20140334814 - Adaptive optical amplifier for wdm systems: An optical amplifier that uses software-defined optical networking (SDON) technology, with a centralized controller and flexible physical hardware (the adaptive amplifier here) to optimize the power distribution among different WDM channels in the amplifier. It considers the detailed information for each channel through the information from centralized controller. It is... Agent: Nec Laboratories America, Inc.
20140334815 - System and method for selecting an optical path in an optical network: The invention proposes a system and method for selecting an optimal optical path through which to transmit an optical signal, the optimal optical path is one of a plurality of optical paths in a transparent optical network. Each of the plurality of optical paths includes a plurality of optical elements.... Agent:
20140334816 - Method, apparatus, and system for processing data on otn optical transport network: A method for processing data on an OTN optical transport network is disclosed in embodiments of the present invention, including: receiving and buffering, through an ILK interface, an Ethernet data frame sent by an Ethernet board; encapsulating the Ethernet data frame into a Generic Framing Procedure GFP data frame; and... Agent: Huawei Technologies Co., Ltd.
20140334817 - Network specific routing and wavelength assignment for optical communications networks: To facilitate routing and wavelength assignment (RWA) in an optical communications network having a given topology of associated nodes and links, a set of system characteristics associated with operating the optical communications network may be determined. Different sets of values may be selected for one or more parameters of an... Agent:
20140334820 - Method and system for configuring a connection-oriented packet network over a wavelength division multiplexed optical network: A network planning tool and method for configuring a connection-oriented packet network over a WDM optical network without an optical control layer, such as a SONET/SDH layer. The optical network includes a plurality of optical fibers interconnected through nodes and the connection-oriented packet network, such an Ethernet network, MPLS network,... Agent:
20140334818 - System and method for photonic switching: In one embodiment, a photonic switching fabric includes a first label detector configured to read a first optical label to produce a first detected label, where the first optical label corresponds to a first optical packet, and where the first optical label is in a control waveband and a switch... Agent: Futurewei Technologies, Inc.
20140334819 - System and method for photonic switching: In one embodiment, method of wrapping photonic packets includes receiving, by a node, a first packet and receiving, by the node, a second packet. The method also includes concatenating the first packet and the second packet to produce a concatenated frame, where concatenating the first packet and the second packet... Agent: Futurewei Technologies, Inc.
20140334821 - System and method for photonic switching: In one embodiment, a method of photonic frame scheduling includes receiving, by a photonic switching fabric from a top of rack (TOR) switch, a frame request requesting a time slot for switching an optical frame to an output port of a photonic switch of the photonic switching fabric and determining... Agent: Futurewei Technologies, Inc.
20140334822 - Auto-configuration of demarcation devices in ethernet passive optical network: Systems, devices and techniques for automatically configuring a Demarcation device in a communication network based on DOCSIS provisioning over EPON. A method can be implemented to include initializing a Demarcation device and an optical network unit device (ONU) that is connected to the Demarcation device; operating the Demarcation device to... Agent: Zte Corporation
20140334823 - Wavelength and bandwidth allocation method: A wavelength and bandwidth allocation method which includes in order a wavelength determination step S4 of determining a plurality of wavelengths of an uplink signal from each ONU to OLT to guarantee a guaranteed bandwidth corresponding to a subscription service class of each ONU and a reference bandwidth distribution step... Agent:
20140334824 - Fiber optic receiver, transmitter, and transceiver systems and methods of operating the same: A fiber optic receiver system is provided. The fiber optic receiver system includes: (1) a host node including an optical source for transmitting an optical signal; (2) a remote node away from the host node for receiving the optical signal, the remote node including a radio frequency receiver, the remote... Agent: Us Seismic Systems, Inc.
20140334825 - Protocols for coded light communications: Protocols for coded light communication and control in a lighting system wherein each lighting device transmits modulated light during illumination are proposed. When a first source lighting device need to transmit information across the lighting system to a destination lighting device one or more intermediate lighting devices decode received coded... Agent:
20140334826 - Lighting fixture for visible light communication and visible-light-communication system with same: A lighting fixture for visible light communication is configured to modulate light intensity of a light source (11) comprising a light-emitting device (2) to superpose a communication signal on illumination light. The lighting fixture includes: a power supply circuit (3) configured to control light output of the light source (11)... Agent: Panasonic Corporation
20140334827 - Miniature pluggable video module: A miniature pluggable video module having a length less than one inch, and a width less than three quarters of an inch, and a plurality of pin connectors attached to the back of the housing. The pluggable video module can be mounted horizontally or vertically. Inputs and outputs of the... Agent: Advanced Fiber Products, LLC
20140334828 - Pre-equalization using phase correction: An optical transmitter determines the transfer function in the reference-based pre-equalization for applying to an optically modulated signal at the transmitter. The determined pre-equalization transfer function is made robust to linewidth inaccuracy of the optical source by performing phase correction during the calculation of the pre-equalization transfer function. The phase... Agent: Zte Corporation
20140334829 - Optical transmitter and bias control method of optical modulator: An optical transmitter includes: a drive signal generator configured to generate a drive signal from input data; an optical modulator configured to generate an optical signal corresponding to the drive signal; a superimposer configured to superimpose a first reference signal on the drive signal and superimpose a second reference signal... Agent:
20140334830 - System and method for generating a frequency modulated linear laser waveform: A system for generating a frequency modulated linear laser waveform includes a single frequency laser generator to produce a laser output signal. An electro-optical modulator modulates the frequency of the laser output signal to define a linear triangular waveform. An optical circulator passes the linear triangular waveform to a band-pass... Agent: U.s.a. As Represented By The Administrator Of The National Aeronautics And Space Administration
20140334831 - Optical receiver and light receiving method: An optical receiver receives coherent light. The optical receiver includes an amplitude adjuster, a signal processor, and a controller. The amplitude adjuster adjusts amplitude of an input signal to output an analog signal. The signal processor receives a digital signal generated from the analog signal output from the amplitude adjuster,... Agent: Fujitsu Optical Components Limited
20140334832 - Method and system for a narrowband, non-linear optoelectronic receiver: Methods and systems for a narrowband, non-linear optoelectronic receiver are disclosed and may include amplifying a received signal, limiting a bandwidth of the received signal, and restoring the signal utilizing a level restorer, which may include a non-return to zero (NRZ) level restorer comprising two parallel inverters, with one being... Agent:Previous industry: Photography
Next industry: Electrophotography
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