|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. 02/27/2014 > 17 patent applications in 14 patent subcategories.
20140056581 - Timer value negotiation for path configuration based on rsvp-te: The present invention relates to an ingress node (102, 700) and methods therein for Operation Administration arid Maintenance, OAM related to Resource Reservation Protocol-Traffic Engineering, RSVP-TE5 for obtaining attributes for timer values being assigned to a connection from the ingress node (102) via intermediate nodes (104, 106, 108, 110) to... Agent: Telefonaktiebolaget L M Ericsson (publ)
20140056582 - Detecting and communicating potential optical fiber issues in optical networks: In general, techniques are described to detect potential issues with optical fibers. The techniques may be implemented using various optical network hardware. An example optical network unit (ONU) includes a network interface coupled to an optical fiber through which the ONU communicates with an optical line terminal (OLT). The ONU... Agent: Calix, Inc.
20140056583 - Symbol alignment in high speed optical orthogonal frequency division multiplexing transmission systems: The present invention discloses a method for symbol synchronisation in high speed optical orthogonal frequency division multiplexing (OOFDM) transmission systems via coding the electrical OFDM symbols by adding an independent low power-level alignment signal, converting the encoded signal into the optical domain for transmission, and in the receiver converting the... Agent:
20140056584 - Reconfigurable optical add-drop multiplexer and optical network element: A reconfigurable optical add-drop multiplexer (10) comprising an input (20), an output (22), drop outputs (30), add inputs (22), a demultiplexer (18), a cross-connect element (12), a drop element (34) and an add element (26). The cross-connect element (12) comprises cross-connect outputs (36), a by-pass output (38), and optical switches... Agent: Telefonaktiebolaget L M Ericsson (publ)
20140056585 - Next generation optical access network with centralized digital olt: An optical access network with centralized digital optical line termination OLT including an optical line termination unit having a digital transmitter and a coherent receiver for downstream signal transmitting and upstream signal receiving, and at least one optical network unit ONU with transceiver functions for communicating with the OLT over... Agent: Nec Laboratories America, Inc.
20140056586 - Channel bonding for ethernet passive optical network over coax (epoc) networks: Embodiments provide systems and methods for enabling the support of multiple Ethernet Passive Optical Network over Coax (EPoC) channels, which can be bonded together into a single high-speed channel. The multiple EPoC channels can be configured according to available spectrum, such that they occupy one or more, frequency contiguous or... Agent:
20140056587 - Electro/optical plug-and-socket connection, especially electrooptical usb plug-and-socket conection: The invention relates to a plug-and-socket connection for connection of a first apparatus via a cable which contains electrical connections and optical connections to a second apparatus or a device, the first apparatus having an apparatus socket and the device having a device socket for accommodating the plug of the... Agent: Amphenol Tuchel Electronics Gmbh
20140056588 - Light module, illumination system and method incorporating data in light emitted: Proposed is a light module (110) comprising at least two primary light sources (111,112,113) capable of emitting a primary color light. This allows the light module to emit light having intensity (Y) and color coordinates (x,y) through additive color mixing of the constituent primary colors. The light module further comprises... Agent: Koninklijke Philips N.v.
20140056589 - Vlc modulation system and method thereof: A VLC (Visible Light Communication) modulation system and method thereof, which includes a visible light generating device and a visible light receiving device. The visible light generating device includes a visible light emitting module and an arbitrary waveform generator. The arbitrary waveform generator further includes a first finite impulse response... Agent: Industrial Technology Research Institute
20140056590 - Porous silica material and optical microphone: A porous silica material disclosed in the present application is a porous silica material in which a plurality of silica particles are connected to one another three-dimensionally, wherein: a density of the porous silica material is less than 220 kg/m3; a particle diameter of the silica particles is 3.5 nm... Agent:
20140056592 - Air-cooled optical transceiver module system: In an opto-electronic system having one or more optical transceiver modules and an enclosure, air is forced through the interior of the transceiver module to dissipate heat generated by the opto-electronic and electronic elements.... Agent: Avago Technologies GeneralIP(singapore) Pte. Ltd.
20140056593 - Linecards with pluggable interfaces for pluggable optical amplifiers and other pluggable devices: A linecard includes at least one pluggable device, a linecard processor, and a centralized host processor. The linecard also includes an interface that supports a pluggable device. A pluggable device is electrically coupled to the interface and is controlled by the centralized host processor. A flash memory stores data for... Agent: Finisar Corporation
20140056591 - Thermally compensated parallel optical communication module: In a parallel optical communication module, an array of opto-electronic devices secured with respect to a mount and an array of optical elements of an optical device that is also secured with respect to the mount are unconstrained against relative movement due to thermal expansion of the mount and optical... Agent: Avago Technologies GeneralIP(singapore) Pte. Ltd.
20140056594 - Extended reach xfp transceiver with integrated forward error correction: Integrated performance monitoring (PM); optical layer operations, administration, maintenance, and provisioning (OAM&P); alarming; amplification, or the like is described in optical transceivers, such as multi-source agreement (MSA)-defined modules. An optical transceiver defined by an MSA agreement can include advanced integrated functions for carrier-grade operation which preserves the existing MSA specifications... Agent: Menara Networks, Inc.
20140056596 - Optical fiber and optical transmission system: An inexpensive low-attenuation optical fiber 1 suitable for use as an optical transmission line in an optical access network is a silica based glass optical fiber and includes a core 11 including the center axis, an optical cladding 12 surrounding the core, and a jacket 13 surrounding the optical cladding.... Agent: Sumitomo Electric Industries, Ltd.
20140056595 - Optical transmission system, control signal transmission method, and optical module: An optical transmission system including a transmitting unit to transmit an optical main signal, a receiving unit to receive the optical main signal, and a transmission line through which the optical main signal is transmitted, the optical transmission system includes: an optical transmitter unit configured to be activated or inactivated... Agent: Fujitsu Limited
20140056597 - System and method for broadband transmissions on a fiber optic with suppression of second and third order distortions: A system and method for transmitting telecommunication signals through a fiber optic, with suppression of second and third order distortions, requires a signal processor for generating a sub-octave broadband signal. An Electro-Absorption Modulator (EAM) is provided to modulate the sub-octave broadband signal into an optical signal λ. And, a DC... Agent: Titan Photonics, Inc.02/20/2014 > 24 patent applications in 21 patent subcategories.
20140050470 - Method for resizing network connection in the optical transport network supporting protection switching: There is provided a method for resizing a network connection in an optical transport network that supports protection switching and receives a flexible Optical channel Data (ODUflex(GFP)) signal. In addition, Hitless Adjustment of ODUflex(GFP) (HAO) procedure includes Suppress Bandwidth Resize (SBR) information that prevents a Bandwidth Resize (BWR) protocol from... Agent: Electronics And Telecommunications Research Institute
20140050471 - Apparatus and method for providing protection in a passive optical network: A manner of protecting communications in a PON (passive optical network). A switch array is provided in a CO (central office) and placed in communication with a number of primary OLTs, which each can thereby communicate with a respective feeder fiber when the associated switch of the switch array is... Agent: Alcatel-lucent Usa Inc.
20140050472 - Mobile terminal for servicing a telecommunication system: The invention pertains to a mobile terminal for servicing a telecommunication system, wherein the telecommunication system comprises a system controller and at least one module and/or at least one interface port (that is externally accessible in the inserted state of the module), wherein the mobile terminal features an identification device... Agent: Adva Optical Networking Se
20140050473 - Sagnac interferometer event sensing and locating device: A Sagnac interferometer event sensing device is disclosed herein. The device includes a first light source operable to emit a first light beam. The device also includes a second light source operable to emit a second light beam. The device also includes an optical fiber path including a first portion... Agent: Cleveland Electric Laboratories Co.
20140050474 - Method and device for detecting signal power: The present invention discloses a method and a device for detecting a signal power, and belongs to the field of communications. The method includes: when a receiver converts a received receive signal and outputs an output signal, separating a direct current signal and an alternating current signal from the output... Agent: Huawei Technologies Co., Ltd.
20140050475 - Coherent quantum information transfer between topological and conventional qubits: Computing bus devices that enable quantum information to be coherently transferred between topological and conventional qubits are disclosed. A concrete realization of such a topological quantum bus acting between a topological qubit in a Majorana wire network and a conventional semiconductor double quantum dot qubit is described. The disclosed device... Agent: Microsoft Corporation
20140050477 - Method of optical data transmission using polarization division multiplexing: Proposed is a method of optical data transmission. The method comprises different steps. A first optical signal and a second optical signal are generated, such that the optical signals possess a same wavelength, respective phases, which are modulated in dependence on respective data values, and respective polarization states, which are... Agent:
20140050476 - Systems and methods for the compensation of nonlinear cross polarization and cross phase modulation in dual polarization coherent channels: The present disclosure provides systems and methods for the compensation of signal distortion in fiber optic communication systems and the like. More specifically, the present disclosure provides an orthogonal polarization detection and broadband pilot (OPDBP) technique for the compensation of nonlinear cross polarization (i.e. nonlinear cross polarization modulation) (XPolM) induced... Agent: Ciena Corporation
20140050478 - Switching and routing protocol for a fiber optic transmission system: A system for transporting a plurality of analog and/or digital signals over an optical fiber can include one or more master modems for modulating digital signals and/or RF inserters modulating video signals. The RF signals from the modem(s)/RF inserters are up-converted resulting in frequency bands that are non-overlapping and are... Agent:
20140050479 - Inter-optical line terminal (olt) communication in multiple-olt passive optical networks (pons): A system comprising a first optical line terminal (OLT) comprising a first integrated optical network unit (ONU), and a first OLT transceiver, and a second OLT coupled to the first OLT, wherein the second OLT comprises a second integrated ONU, and a second OLT transceiver. Included is a first OLT... Agent: Futurewei Technologies, Inc.
20140050480 - System and method for mitigating four-wave-mixing effects: In one embodiment, a system includes at least one tone generator, a first transmitter, and a second transmitter. The at least one tone generator is operable to generate a plurality of modulation tones comprising at least a first modulation tone having a first tone frequency and a second modulation tone... Agent:
20140050481 - Long-haul undersea transmission system and fiber: An undersea long-haul transmission system includes an optical fiber transmission span and a coherent detection and digital signal processing module for providing dispersion compensation. The transmission span includes at least one fiber pair comprising substantially equal lengths of a positive-dispersion first fiber and a negative-dispersion second fiber that are configured... Agent:
20140050482 - Determining propagation delay of communications in distributed antenna systems, and related components, systems, and methods: Components, systems, and methods for determining propagation delay of communications in distributed antenna systems are disclosed. The propagation delay of communications signals distributed in the distributed antenna systems is determined. If desired, the propagation delay(s) can be determined on a per remote antenna unit basis for the distributed antenna systems.... Agent: Corning Cable Systems LLC
20140050483 - Systems, methods, and devices for increasing radio frequency (rf) power in distributed antenna systems: A system, and related methods and devices, is disclosed for increasing an output power of a frequency band in a distributed antenna system that includes at least one RXU module that is operatively coupled to at least one RAU module. A first group of the plurality of channels within a... Agent: Corning Cable Systems LLC
20140050484 - System using frequency conversions for sub-octave transmission of signals over a fiber optic: A system for transporting a plurality of digital signals (i.e. “n” digital signals) over an optical fiber includes a plurality of modems for modulating each digital signal on a respective analog signal. Each resulting RF signal is processed by a corresponding up-convertor, which includes a mixer and local oscillator, to... Agent: Titan Photonics
20140050485 - Wireless maintenance of intrapersonal communication systems: Some embodiments are provided for performing wireless maintenance procedures on personal equipment systems. Personal equipment systems can include wireless communication systems that allow external systems, users, or both to maintain the systems and/or run diagnostic procedures. Personal equipment systems are provided having one or more local devices coupled thereto and... Agent: N2 Imaging Systems, LLC
20140050486 - Dielectric resonator driven near field transducer: An optical device includes a near field transducer; and a dielectric resonant structure coupled to the near field transducer; wherein the dielectric resonant structure comprises a dielectric material that decreases a dissipation of energy in the dielectric resonant structure, relative to other dissipations of energy associated with other materials; and... Agent: Carnegie Mellon University
20140050487 - Wireless communication method, base station and system: Embodiments of the present invention provide a wireless communication method, base station and system. The base station includes several LED lights and/or several VLC/IR receivers. The several LED lights are configured to send downlink signals in an OFDMA standard to a user terminal, and the several VLC/IR receivers are configured... Agent: Huawei Technologies Co., Ltd.
20140050488 - Communication system for power electronic converters: Exemplary embodiments of a communication system for a power electronic converter with a plurality of converter modules includes controllable power semiconductor switches and individually mountable onto a converter cabinet or frame. The communication system includes unguided transmission of optical signals between optical elements arranged on a converter module and on... Agent: Abb Research Ltd
20140050489 - Optical microphone: An optical microphone for detecting an acoustic wave propagating through an environmental fluid by using a light wave, includes: an acoustic wave receiving section having a propagation medium portion through which an acoustic wave propagate and a first support portion for supporting the propagation medium portion; a light source for... Agent: Panasonic Corporation
20140050491 - Apparatus, method, and system for improving bandwidth of a plug and a corresponding receptacle: Described herein is an apparatus for improving bandwidth of a transceiver system e.g., a Universal Serial Bus (USB) micro-B connector. The apparatus comprises a first pair of lens units, each lens unit of the pair positioned on either side of an input-output (I/O) bus interface, the pair of lens units... Agent:
20140050490 - Optoelectronic component: This invention relates to an optoelectronic transceiver which has the following: an optical transmitter, an optical receiver, coupling means consisting of a first and second optical lens made with optically active interfaces for changing/deflecting optical paths of on the one hand optical output signals A of the optical transmitter to... Agent:
20140050492 - Reverse conductive nano array and manufacturing method of the same: A high-speed photodiode may include a photodiode structure having a substrate, a light-absorbing layer and a light-directing layer that is deposited on a top surface of the photodiode structure and patterned to form a textured surface used to change the angle of incident light to increase a light path of... Agent:
20140050493 - Carrier phase estimation for optically coherent qpsk based on wiener-optimal and adaptive multi-symbol delay detection (msdd): A receiver that includes a carrier recovery module that includes a reference signal generator that is arranged to generate a reference signal that estimates a carrier signal; a decision module that is arranged to demodulate a receiver input signal by the reference signal to provide a demodulated signal and to... Agent:02/13/2014 > 12 patent applications in 11 patent subcategories.
20140044430 - Scalable optical broadcast interconnect: A modular interconnect includes an mn-by-mn fully connected, direct broadcast, point-to-point, all-to-all interconnect fabric, wherein the mn-by-mn fully connected, direct broadcast, point-to-point, all-to-all interconnect fabric is non-blocking and congestion free, and wherein m is an integer ≧2 and n is an integer ≧2. Operating the modular interconnect includes distributing each... Agent:
20140044431 - Optical connection hitless bandwidth or spectrum resizing: A method and system are disclosed in which a signaling message conforming to a GMPLS signaling protocol and associated with an optical connection is generated and transmitted by a transmit node to a receive node to change the size of a connection bandwidth in a network. The message may include... Agent:
20140044432 - Audio signal to infrared conversion device: The present invention provides an audio signal to infrared conversion device, comprising: a voltage-multiplying circuit rectifier/filter module, a waveform amplifier module, a microprocessor, an IR signal emitter module, and an IR signal receiver module. The voltage-multiplying circuit rectifier/filter module is coupled to a headset plug; the waveform amplifier module is... Agent: Synmin Technology Co., Ltd.
20140044433 - Optical-electrical hybrid module: There is provided an optical-electrical hybrid module including a substrate on which a plurality of optical communication modules are arranged, the plurality of optical communication modules transmitting or receiving an optical signal through an optical fiber cable and performing conversion between the optical signal and an electrical signal. A shield... Agent:
20140044434 - Transmitter, receiver, transmission method, reception method and communication system: A transmitter includes an optical data modulation unit which modulates an optical carrier having a first frequency with a data signal and outputs the optical carrier as a signal light, an optical frequency shift unit which shifts and outputs the frequency of the signal light from the first frequency to... Agent: Nec Corporation
20140044435 - Electronic device and control device: A control device includes: an acquisition portion that acquires, from an information processing apparatus, pairing information corresponding to at least one of electronic devices among from a plurality of pieces of pairing information corresponding to the respective electronic devices, the pairing information being used in order that the electronic devices... Agent: Fujitsu Component Limited
20140044436 - Optical transmitter and optical transceiver comprising optical transmitter: An optical transmitter and an optical transceiver including the same are provided. The optical transmitter may include a semiconductor laser diode to output optical signals, a multilayer thin film filter to receive the optical signals and pass optical signals corresponding to a transmission wavelength band, and a concave lens to... Agent: Electronics And Telecommunications Research Institute
20140044437 - Methods and materials for integer quantum computing: The subject matter relates to multiple parallel ensembles of early stage spherical pulses radiated through engineered arrays forming the foundation for quantized computer processors taking advantage of integer thermodynamics. The materials, architecture and methods for constructing micro- and/or nano-scale three-dimensional cellular arrays, cellular series logic gates, and signature logic form... Agent:
20140044438 - Surface emitting semiconductor laser, manufacturing method for surface emitting semiconductor laser, surface emitting semiconductor laser device, optical transmission device, and information processing device: A surface emitting semiconductor laser includes a first semiconductor multilayer reflector of a first conductivity type, an active area, a second semiconductor multilayer reflector of a second conductivity type, a current confinement layer having a conductive area and a surrounding high-resistance area, each provided on a substrate, and a higher-order... Agent:
20140044439 - Method and apparatus for transmission of two modulated signals via an optical channel: A transmitter with two optical sources generates two optical carrier signals having different frequencies. The optical carrier signals are combined and divided in a first coupler and fed to carrier signal inputs of two modulators. The mixed carrier signals are separately modulated by two modulation signals (a(t)) and (b(t)) and... Agent: Nokia Siemens Networks Oy
20140044440 - Optical reception method and optical receiver: In order to allow reception in which receive sensitivity does not depend upon polarization state in reception of a multi-level phase optical signal, in this optical reception method, a multi-level phase optical signal of a single polarization is separated into a first optical signal and a second optical signal of... Agent: Nec Corporation
20140044441 - Burst mode to continuous mode converter: A system to convert upstream burst mode data into continuous mode data in a passive optical network (PON) is provided herein. The system includes a burst mode Serializer/Deserializer (SerDes) that recovers a clock and burst mode data from an Optical Network Unit (ONU). The burst mode unit recovers the burst... Agent:02/06/2014 > 14 patent applications in 10 patent subcategories.
20140037284 - Diverging device with oadm function and wavelength division multiplexing optical network system and method therefor: The present invention does not require control and path switching by terminal station equipment and prevents the deterioration of signal quality when a cable failure occurs. A wavelength diverging device connected with three or more stations monitors an uplink signal received from each station, and when detecting the absence of... Agent:
20140037285 - Multiple-acquisition otdr method and device: An OTDR device and method for characterizing one or more events in an optical fiber link are provided. A plurality of light acquisitions is performed. For each light acquisition, test light pulses are propagated in the optical fiber link and the corresponding return light signals from the optical fiber link... Agent: Exfo Inc.
20140037286 - Method and system for the monolithic integration of circuits for monitoring and control of rf signals: A method of operating a BPSK modulator includes receiving an RF signal at the BPSK modulator and splitting the RF signal into a first portion and a second portion that is inverted with respect to the first portion. The method also includes receiving the first portion at a first arm... Agent: Skorpios Technologies, Inc.
20140037287 - Optical power monitoring method and apparatus: The present invention discloses an optical power monitoring method and apparatus. The present invention includes: measuring broadened spectrums of optical signals of monitored channels after performing filtering processing on the optical signals, to obtain a measured broadened spectrum of the optical signals of the monitored channels; constructing a plurality of... Agent: Huawei Technologies Co., Ltd.
20140037288 - Optical unit for wavelength selecting switch and wavelength selecting switch: An optical unit for a wavelength-selecting switch according to the present invention comprises: an input port; a dispersion section that produces wavelength dispersion of input light that is input from the input port; a light-collecting element that collects the light dispersed by the dispersion section; an output port; an optical... Agent: Olympus Corporation
20140037289 - System and method for exchanging information over a jacobi mimo channel: A method and system for transmitting data over a Jacobi MIMO channel when using channel state feedback.... Agent:
20140037291 - Butterfly filter coefficient setting method and device, receiver and receiving method: The present invention relates to a butterfly filter coefficient setting method and device, a receiver, and a receiving method. The receiver is a DP-CO-OFDM receiver, comprising: a phase recovery device configured to perform a phase recovery of a received signal one OFDM symbol by one OFDM symbol, so as to... Agent: Fujitsu Limited
20140037290 - Method and system for reducing noise associated with optical signals: In accordance with an embodiment of the present disclosure a network element comprises a plurality of optically absorbent layers. Each layer of the plurality of optically absorbent layers is configured to receive an optical signal such that the optical signal passes through the layer. The optical signal has a specific... Agent: Fujitsu Limited
20140037292 - Data transport in a virtualized distributed antenna system: A system for routing signals in a Distributed Antenna System includes a plurality of local Digital Access Units (DAUs) located at a Local location. Each of the plurality of local DAUs is coupled to each other and operable to route signals between the plurality of local DAUs. Each of the... Agent: Dali Systems Co. Ltd.
20140037293 - High speed optical transceiver module: Disclosed herein is a high speed optical transceiver module, which makes it possible to prevent a wavelength shift and thus to achieve low power and high efficiency by forming a hole with a predetermined depth in a stem heat sink for dissipating heat generated in an LD through a lower... Agent: Oe Solutions Co., Ltd.
20140037294 - Cooling system control in distributed antenna systems: Power distribution modules in distributed antenna systems include fan monitoring circuits for indicating an alarm condition to head-end equipment. The alarm condition can be used by system operator/owners that a fan is drawing excessive power, thereby detracting from system performance, or indicating that the fan may fail. The alarm condition... Agent: Corning Cable Systems LLC
20140037295 - Led light broad band over power line communication system: An LED light and communication system is in communication with a broadband over power line communications system. The LED light and communication system includes at least one optical transceiver. The optical transceiver includes a light support having a plurality of light emitting diodes and at least one photodetector attached thereto,... Agent: Federal Law Enforcement Development Services, Inc.
20140037296 - Information communication device: An information communication method includes: setting an exposure time of an image sensor to less than or equal to 1/2000 second so that, in an image obtained by capturing a subject by the image sensor, a stripe bright line parallel to a plurality of exposure lines included in the image... Agent:
20140037297 - Led light global positioning and routing communication system: An LED light and communication system includes at least one optical transceiver, the optical transceiver including a light support and a processor. The light support has a plurality of light emitting diodes and at least one photodetector attached thereto. The processor is in communication with the light emitting diodes and... Agent: Federal Law Enforcement Development Services, Inc.Previous industry: Photography
Next industry: Electrophotography
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