Optical communications inventions 12/08

20080317461 - Automatic power restoring method and optical communication system: The present invention provides an automatic power restoring method capable of reliably detecting continuity by the dissolution of a line fault, to restore the optical power, even in a structure including an optical amplification medium on an optical transmission path and an optical communication system using the method. To this... Agent: Staas & Halsey LLP

20080317462 - Optical fiber link monitoring method and apparatus for passive optical network: The present invention provides an optical link monitoring method for the passive optical network. The method includes the steps of: determining a plurality of groups such that each group includes portion of a plurality of optical network units; connecting each of the plurality of groups to an optical splitter through... Agent: Birch Stewart Kolasch & Birch

20080317463 - Optical transmitter system: An optical transmitter system supplies a plurality of different wavelength optical radiation components to a transmission element which, in operation, is connected to the transmitter system for conveying the different wavelength radiation components to a respective receiver. The supply of the wavelength components is interrupted, preferably in response to a... Agent: Kirschstein, Ottinger, Israel & Schiffmiller, P.C.

20080317464 - Base station system: The present invention discloses a base station system, including an indoor part and a remote RF subsystem (RRS). The indoor part includes a RIU, a CCU, a BBU, a GPSU and a local interface unit. The RRS includes a remote interface unit, a RF transceiver unit (TRU) and an antenna.... Agent: Merchant & Gould PC

20080317465 - Method and system for implementing transport service of ngn: A method for implementing transport layer service of NGN, wherein the NGN includes a service layer and a transport layer, the method including: establishing an independent transport-layer control device in the control plane of the transport layer in the NGN network; establishing a transport connection in the user plane of... Agent: Ladas & Parry

20080317466 - Multi-ring network operating method and system: Provided is a multi-ring network operating method of cross-connecting at least two ring networks, the method including connecting an input working ring and an input protection ring of a ring network to an output working ring and an output protection ring of another ring network and then performing cross-connection between... Agent: Lahive & Cockfield, LLP Floor 30, Suite 3000

20080317467 - Amplified wavelength broadband video distribution architectures: Provided herein are embodiments of a device, method of use and system for a low-cost analog multi-wavelength video distribution transamplifier for CATV and FTTH networks having a broadband overlay. The transamplifier embodiments described herein allow the use of multiple wavelengths to segment logical service groups in a CATV distribution system... Agent: Scientific-atlanta, Inc. Intellectual Property Department

20080317468 - Amplified wavelength broadband video distribution architectures using an external waveguide: Provided herein are embodiments of a device, method of use and system for a low-cost analog multi-wavelength video distribution transamplifier for CATV and FTTH networks having a broadband overlay. The transamplifier embodiments described herein allow the use of multiple wavelengths to segment logical service groups in a CATV distribution system... Agent: Scientific-atlanta, Inc. Intellectual Property Department

20080317469 - Passive optical network system and ranging system thereof: A station-side communication device connected to subscriber-side communication devices via an optical combining device; sending, to the subscriber-side communication devices, a distance measurement request signal; computing transmission delay times of optical signals from the individual subscriber-side communication devices by receiving distance measurement signals, and including: a threshold control part identifying... Agent: Mcdermott Will & Emery LLP

20080317470 - Repeater surge coil and diode chain design: There are provided surge protection devices for undersea optical repeaters. An optical repeater drive circuit incorporating a diode chain design includes a diode array formed of a plurality of banks of two or more parallel forward-biased diodes, each diode in a given bank being in electrical contact with all the... Agent: Levenfeld Pearlstein, LLC Intellectual Property Department

20080317471 - Apparatus and system for remote control: An exemplary remote control apparatus includes a light source, a control module, an image sensing module, an image processing module and a communication module. The control module is separated from the light source, moveable by a user, and configured for receiving light beams from the light source in an incident... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20080317472 - Power line communication system using hybrid-fiber coaxial and communication device used in the system: A communication equipment which is utilized in a power line communication (PLC) system utilizing a hybrid fiber coax (HFC) which includes a PLC optical network unit, a PLC trunk bridge amplifier, a PLC distribution amplifier, and a PLC coupling device. In this instance, the PLC optical network unit does not... Agent: Jones Day

20080317473 - Free-space optical communication device: A free-space optical communication device includes a photodetector element, which receives a communication signal containing multiple infrared light signals respectively representing different information and converts the communication signal to an electrical signal by way of electro-optical conversion, and a signal selection unit, which receives the electrical signal from the photodetector... Agent: Nixon & Vanderhye, PC

20080317474 - Optical interconnect: An optical interconnect has a plurality of optical data sources, a plurality of optical data receivers, a diffractive optical element configured to diffract an optical beam from at least one alignment optical source to at least one sensor, and an aligning element configured to align optical beams from the optical... Agent: Hewlett Packard Company

20080317475 - Led light interior room and building communication system: An LED light and communication system 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, and... Agent: Vidas, Arrett & Steinkraus, P.A.

20080317476 - Vehicle-mounted optical communication system and vehicle-mounted optical transmitter: A vehicle-mounted optical communication system, which uses an optical signal to perform data transmission, comprises a first optical transmitter and an optical receiver. The first optical transmitter, which is mounted on a vehicle, has a multiple quantum well structure, in which an active layer has a quantum well layer of... Agent: Young & Thompson

20080317477 - Laser rangefinder and method for digital signal processing thereof: A method for digital signal processing is disclosed. Reflected laser signals are received and digitized to generate corresponding digital signals. The digital signals are accumulated to generate an accumulated signal. A digital filtering operation is applied to the accumulated signal to generate a filtered signal. A maximum signal value for... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080310836 - Manufacturing system and method using ir communications link: An automated test system for testing devices being manufactured comprises an infrared communications link for free space communications between a host and a device under test. The communications link is asymmetric and instructions from the host are acknowledged by the device. The instructions cause the device to operate, and the... Agent: Law Offices Of James E. Eakin

20080310835 - System for validating installation of optical network devices: A system for validating installation of optical network devices is disclosed. A system that incorporates teachings of the present disclosure may include, for example, an optical network device (OND) having a controller element to receive a work order from a monitoring device coupled to the OND, transmit the work order... Agent: Akerman Senterfitt

20080310837 - Passive optical test termination: An optical test termination device (100) for use in optical network comprising a passive optical element (102) and a first optical coupler (104) and a second optical coupler (106) for coupling the optical test termination device (100) to an optical fiber (108, 110, 202). The passive optical element (102) comprises... Agent: Coats & Bennett, PLLC

20080310838 - Independent upstream/downstream bandwidth allocations in a common hybrid telecommunications network: A network interface apparatus comprises a bidirectional optical signal port, an optical diplexer connected to the bidirectional optical signal port, a first RF signal port (bidirectional), a second RF signal port, a first RF diplexer, and an RF splitter. The RF diplexer transmits a first received RF input signal from... Agent: David S Alavi

20080310839 - Distributed packet switch for use in a network: A distributed packet switch to control data packet flows in a network is described. The distributed packet switch includes a means for operating over an asynchronous burst optical closed fiber medium. The distributed packet switch also includes at least one control system provided at a node to control data packet... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20080310840 - Optical communication network and method of routing in the network: A network with nodes interconnected by optical fiber links carrying an optical communication channel having a single optical wavelength. In the network, at least two network nodes operate as transmitting nodes generating a first short pulse optical signal at different bit rates; at least one of the other network nodes... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20080310841 - Long-reach wavelength division multiplexing passive optical network (wdm-pon): The present invention relates to a long-reach wavelength division multiplexing passive optical network(WDM-PON), and especially to the long-reach WDM-PON capable of ensuring economic and stable QoS (Quality of Service). The Long-reach WDM-PON in accordance with the present invention includes an optical transmitter/receiver located at central office and each optical network... Agent: Harness, Dickey & Pierce, P.L.C

20080310842 - Docsis compatible pon architecture: In one embodiment, systems for transporting a signal between at least one control point and a user device, comprising a passive optical network operatively coupled to the at least one control point and an optical network termination operatively coupled to the passive optical network and operatively coupled to the user... Agent: Wm. Brook Lafferty Scientific-atlanta, Inc.

20080310843 - Passive optical network system for the delivery of bi-directional rf services: A system for providing bi-directional RF services over relating to a point-to-multipoint Passive Optical Network (PON).... Agent: John Nielsen Randick O'dea & Tooliatos, LLP

20080310844 - Hybrid optoelectronic module: A hybrid optoelectronic module used in duplexer or triplexer includes a transmitter chip for emitting a first signal beam at wavelength λ1, a single fiber for transmitting the first signal beam at wavelength λ1 and a second signal beam at wavelength λ2, a WDM filter for transmitting the first signal... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20080310845 - High brightness light source using light emitting devices of different wavelengths and wavelength conversion: A wavelength division multiplexer and etendue conserved optics are used to combine multiple wavelength LED lights into a combined light. The combined light, with higher intensity and higher power than the light from an individual LED, is used to excite a wavelength conversion material such as phosphors to generate a... Agent: Ying Chen Chen Yoshimura LLP

20080310848 - Combined optical and electrical transmission assembly and module: A combined optical and electrical transmission assembly includes a combined optical, electrical and power cable having an optical fiber, electrical wiring and a power line combined therein or a combined optical and electrical cable having an optical fiber and electrical wiring combined therein, and a combined optical and electrical transmission... Agent: Mcginn Intellectual Property Law Group, PLLC

20080310846 - Frequency modulated burst mode transmitter: The present invention is directed towards a frequency modulated burst mode optical transmitter and systems and methods related thereto. Reverse electrical signals are used to frequency modulate a carrier signal. A carrier detect circuit checks for the presence of a subcarrier signal in received reverse electrical signals. When a subcarrier... Agent: Scientific-atlanta, Inc. Intellectual Property Dept.

20080310847 - Optical frequency division multiplexed communications over the horizon: A non-line of sight (NLOS) communications system and method are provided that implement orthogonal frequency, division multiplexing. A data generator produces a digital data stream, which is converted into M parallel frequency sub-carrier digital data streams (where M is an integer), each sub-carrier is encoded with data and an Inverse... Agent: Celight, Inc.

20080310849 - Frequency modulated burst mode optical system: The present invention is directed towards a frequency modulated (FM) burst mode optical system that allows optical signals having a common wavelength provided by a plurality of FM burst mode optical transmitters to be passively combined onto a single optical fiber. A single FM optical receiver receives the combined signals... Agent: Wm. Brook Lafferty Scientific-atlanta, Inc.

20080310850 - Led light 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 light emitting diodes receiving power from a power source. The... Agent: Vidas, Arrett & Steinkraus, P.A.

20080310851 - Optical transceiver with reduced peak power consumption and a method to reduce peak power consumption: A method to reduce a peak power consumption of an optical transceiver including a thermoelectric cooler (TEC) is disclosed. The transceiver includes three power units, one of which powers the temperature control unit including the TEC driver and the TEC, second one of which powers the transmitter unit including an... Agent: Smith, Gambrell & Russell

20080310852 - Misalignment tolerant free space optical transceiver: In accordance with an aspect of the invention, a system has a transmitter and a receiver, where the transmitter includes a beam source and an optical element. The beam source produces a beam that represents information, and the optical element alters the beam so that the beam has a uniform... Agent: Hewlett Packard Company

20080310853 - Optical bi-directional transceiver module: An optical bi-directional transceiver module is disclosed. The optical bi-directional transceiver module is suitable for an optical transmission/reception operation on the condition that an interval between two wavelength bands such as C and L bands is very narrow. The transceiver module manufactures a stable optical-communication light source based on the... Agent: Oliff & Berridge, PLC

20080310854 - Connected body and optical transceiver module: An optical element amounted structure includes an optical element having an electrode such as a bump formed on a surface thereof, and a substrate having an electrode that is joined to the optical element formed on the surface. The structure of the electrode of the substrate has a substantially ring... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080310855 - Optical transmission equipment and method for controlling thereof: The optical transmission equipment includes: a demultiplexer for demultiplexing a transmitted wavelength-multiplexed optical signal to first and second optical signals; a first variable dispersion compensation unit; a second variable dispersion compensation unit; a first error detector; a second error detector; and a dispersion compensation control unit for controlling dispersion compensation... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080310856 - Method and device for readjusting a polarization drift: For readjusting a polarization drift in the transmission of a polarization-encoded optical signal from a transmitter via a light guide to a receiver, optical auxiliary signals having the same wavelength as the polarization-encoded signal as well as different polarizations as in correspondence with a first base and a second base... Agent: Fulbright & Jaworski L.L.P.

20080310857 - Optical space transmission method and optical space transmission apparatus: An optical identification signal generation section electrical-to-optical-converts and emits identification information. A modulation section modulates information data in a predetermined modulation type determined from the identification information. An optical data signal generation section electrical-to-optical-converts and emits the modulated information data. A two-dimensional optical-to-electrical conversion section receives the optical identification signal... Agent: Wenderoth, Lind & Ponack L.L.P.

20080310858 - Apparatus and method of optical compensation for submarine optical cable: The present invention provides optical compensation for a submarine optical cable optical. A dummy light module generates a dummy light signal according to a continuous spectrum in a predetermined range and a combining module combines a service signal with the dummy light signal. When the dummy light is used for... Agent: Leydig, Voit & Mayer, Ltd (for Huawei Technologies Co., Ltd)

20080310859 - Optical pulse amplication apparatus and method: A method and apparatus for producing a series of amplified optical pulses from a series of input optical pulses. The method includes creating a set of local optical pulses from a series of input optical pulses, the set of local optical pulses being applied to the input of an optical... Agent: Scully, Scott, Murphy & Presser, P.C.

20080310860 - Method and apparatus for decision threshold control in an optical signal receiver: A method of adjusting a decision threshold in an optical signal receiver. A forward error correction (FEC) decoder provides a feedback signal representative of corrected errors. The decision threshold is adjusted in response to a polarity of the received signal and to balance a number of corrected ones and zeros.... Agent: Tcm/gtpp

20080310861 - Pon burst mode receiver with fast decision threshold setting: A receiver converts an analog signal, derived from light pulses in a GPON fiber optic system, to clean digital electrical signals. A photodetector and transimpedance amplifier (TIA) convert the light pulses to analog electrical signals. A reset signal generated by a media access controller (MAC) in the GPON system signifies... Agent: Patent Law Group LLP

20080304822 - Response to otuk-bdi for otn interfaces to restore bidirectional communications: In an OTN (Optical Transport Network), an OTN interface of a network element may receive a BDI (Backwards Defect Indicator) signal from a far end network element to which OTN frames are being transmitted. A BDI signal indicates the occurrence of a unidirectional failure in the transmission of OTN frames... Agent: Aka Chan LLP / Cisco

20080304823 - Methods, systems, and computer-readable media for determining physical layer failures: Methods, systems, and computer-readable media provide for notifying for determining a location of a fiber cut. According to embodiments, a method for determining a location of a fiber cut in a passive optical network (PON) including a plurality of optical network terminations (ONTs) is provided. According to the method, a... Agent: Hope Baldauff Hartman, LLC

20080304825 - Methods, systems, and computer-readable media for providing notification of a power failure: Methods, systems, and computer-readable media provide for notifying an optical line termination (OLT) of a power failure. According to embodiments, a method for notifying an OLT of a power failure is provided. According to the method, a notification of a power failure at an optical network termination (ONT) is received.... Agent: Hope Baldauff Hartman, LLC

20080304824 - Optical link quality monitoring in a computer network: In one embodiment, a local network device collects local optical power information for at least one of either a local optical transmit interface and a local optical receive interface of the local network device. The local network device may then exchange the local information for remote optical power information of... Agent: Cesari And Mckenna, LLP

20080304826 - Semiconductor optical amplifier for an external cavity diode laser: In one embodiment, a gain medium for an external cavity diode laser (ECDL) includes a gain section to provide a gain operation on optical energy in the ECDL that is controlled by a first electrical signal, a semiconductor optical amplifier (SOA) section disposed adjacent to the gain section to amplify... Agent: Trop Pruner & Hu, PC

20080304827 - Frequency shift keying demodulator: The above mentioned problem is solved by a frequency shift keying (FSK) demodulator (1) composed of a branching filyer (2) for branching an optical signal according to wavelengths thereof; a delay adjusting apparutus (3) for adjusting a delay time of two lights branched by the branching filter; a first photodetector... Agent: Osha Liang L.L.P.

20080304828 - Optical communication system using wdma and cdma: In a PON system, an OLT periodically transmits a channel resource information block specifying a carrier wavelength and a spreading code on a first downstream channel to which a spread-spectrum spreader having a first spreading code is applied; one of ONUs receives the channel resource information block with a spread-spectrum... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080304830 - Passive optical network, equipment and method for supporting multicast service: A Wavelength Division Multiplexed Passive Optical Network (WDM-PON), an Optical Line Terminal, an Optical Network Unit, a multiplexer/demultiplexer, and a method for realizing multicast service in the WDM-PON are disclosed. The WDM-PON and the method for realizing multicast service according to the present invention can transmit multicast service to be... Agent: Leydig, Voit & Mayer, Ltd (for Huawei Technologies Co., Ltd)

20080304829 - Wavelength multiplex transmission apparatus, control method, and control program: A wavelength multiplex transmission apparatus including a divided wavelength band unit which controls signal light in each of a plurality of divided wavelength bands into which a transmission wavelength band on a transmission path is divided, a light source which is provided in the divided wavelength band unit and outputs... Agent: Nec Corporation Of America

20080304831 - Mesh free-space optical system for wireless local area network backhaul: In wireless local area networks (WLANS) with a large number of access points, the provisioning and capacity of the WLAN backhaul network connecting the access points to a core network becomes a major issue in network design. Some network services call for access points to be deployed in high densities... Agent: At&t Corp.

20080304832 - Optical interconnect: An optical interconnect includes a translatable optical source; an optical modulator element disposed on a circuit board and configured to receive an optical beam from the optical source; and an optical receiver disposed on a circuit board and configured to receive a modulated optical beam from the modulator element.... Agent: Hewlett Packard Company

20080304833 - Illumination light wireless communication system: The present disclosure discloses an illumination light wireless communication system. The system is designed for illumination and communication with a remote communication apparatus, and comprises an illumination and communication device, an illumination and communication terminal and a communication terminal. The illumination and communication device is adapted to receive a source... Agent: Harness, Dickey & Pierce, P.L.C

20080304834 - System and method for registration of network units: A system and method for registration of network units is disclosed. A system that incorporates teachings of the present disclosure may include, for example, an optical network unit (ONU) in a passive optical network (PON) that can have a controller element to receive a registration code, send the registration code... Agent: Akerman Senterfitt

20080298799 - Gateway device, optical network terminal, and passive optical network system: In a broadband access network, calls can be kept active even when a telephone network fails. A voice gateway function captures callee telephone number information sent from a caller subscriber telephone to the telephone network and, when the telephone network fails, keeps the call active by retaining the connection between... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080298800 - Transmission device and route verifying method: A transmission device transmitting a data frame to an opposite transmission device by use of one virtual transmission path built up by a plurality of communication channels comprises a route control unit determining each of routes of the communication channels building up the virtual transmission path between the transmission device... Agent: Staas & Halsey LLP

20080298801 - Electronic dispersion compensation systems and methods: A test has been developed that is known as the transmitter waveform dispersion penalty (TWDP) test. The TWDP test has been used to test and certify various optical data transmission devices. Similar tests are being developed to test optical receivers such as a difference waveform distortion penalty (dWDP). A test... Agent: Workman Nydegger

20080298802 - Optical signal measurement device: A device connects to a male network connector of a network conduit, and connects to a female network connector of the network conduit. The female network connector is capable of communicating with the male network connector. The device also measures outputs of the male network connector and the female network... Agent: Verizon Patent Management Group

20080298803 - System and method for protection of point to multipoint passive optical network: A system and method relating to a point-to-multipoint Passive Optical Network (PON) that protects the system against fiber breaks or damage which can disrupt the path between the OLT and a plurality of Dual Transceiver ONUs.... Agent: John Nielsen Randick O'dea & Tooliatos, LLP

20080298804 - Tuning select fiber optic channels for channel monitoring: A tunable element of a tuning module is receptive to optical data channels of a multiplexed optical data signal, each optical data channel having a different respective wavelength. The tunable element is responsive to different stimuli such that multiple passbands of the tunable element are defined, each passband corresponding to... Agent: Workman Nydegger

20080298805 - System and method for wavelength conversion and switching: A network component comprising at least one processor configured to implement a method comprising collecting wavelength availability information associated with a wavelength switched optical network (WSON), receiving a path computation request to transport a signal through the WSON, calculating at least one route through the WSON for the signal, and... Agent: Conley Rose, P.C.

20080298806 - Interleaving for 10g gpon: An apparatus comprising a plurality of data framers, a time division multiplexer coupled to the data framers, and an optical transmitter coupled to the time division multiplexer. Also disclosed is an apparatus comprising an optical receiver, a time division demultiplexer coupled to the optical receiver, and a data framer coupled... Agent: Conley Rose, P.C.

20080298807 - Systems and methods for interference prediction: An optical network device of a passive optical network is introduced. The optical network device includes a light source, a control unit, and a variable optical attenuator. The light source can generate an optical signal. The control unit can generate a magnetic signal based on a control signal capable of... Agent: Akin Gump LLP - Silicon Valley

20080298808 - Radio communication system, radio communication apparatus and radio communication method as well as computer program: It is possible to realize remote control in a reflection wave transmission system, and enhance operability for a mobile apparatus having a reflector. The mobile apparatus comprises a reflector and performs reflection wave transmission by carrying data on a reflection wave for unmodulated carrier. A reflection wave reader comprises an... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080298809 - Digital subscriber line access multiplexer, optical network unit, optical line terminal and base station: A Digital Subscriber Line Access Multiplexer (DSLAM) includes a Digital Subscriber Line interface unit for processing Physical Layer and Data Link Layer of the Digital Subscriber Line (DSL); at least two virtual DSLAM units adapted to simulate DSLAM to process a packet from the DSL interface unit; and a backhaul... Agent: Harness, Dickey & Pierce, P.L.C

20080298810 - Method and apparatus for controlling an optical transponder: Methods and apparatus are provided in accordance with the present invention in which a control mechanism, such as for example, a microcontroller, provides an interface between an optical transponder and an external control system, such that monitoring and controlling of the optical components of the optical transponder are accomplished in... Agent: Schwabe, Williamson & Wyatt, P.C. Pacwest Center, Suite 1900

20080298811 - Apparatus and method for transferring an optical signal in a wireless visible light communication system: A wireless visible light communication system is provided. The system includes optical transmitters and optical receivers for receiving optical signals, wherein each of the optical transmitters includes a first light source for generating an optical signal, and at least one light source capable of generating light which has a color... Agent: JeffersonIPLaw, LLP

20080298812 - Network repeater, repeater controlling method and program product: A bridge controller, which controls relay between terminals including emission units and addresses assigned to the terminals, acquires coordinates of a light-received element in an light receiving unit at which light emitted from an emission unit is received, and stores the acquired coordinates in a location information table memory in... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080298813 - All-optical frequency upconverter and all-optical frequency upconversion method in radio-over-fiber system: Disclosed is an all-optical frequency upconverter in a radio-over-fiber system that outputs upconverted optical radio frequency (RF) signals using an optical intermediate frequency signal and an optical local oscillation signal. The all-optical frequency upconverter includes a semiconductor optical amplifier that mixes the optical intermediate frequency signal with the optical local... Agent: Townsend And Townsend And Crew, LLP

20080298814 - Optical transmitter for computing applications: A compact optical transceiver is provided in which a substrate provides for an alignment surface for optical fibers and a lens assembly provides the necessary optical paths for coupling to photodiode and photodetector structures. Appropriate electrical connections on the substrate enable the substrate to be directly connected to a printed... Agent: Pete Kirkpatrick, Aprius, Inc.

20080298815 - Small form pluggable analog optical receiver: A pluggable small form factor optical receiver is described. The optical receiver can be plugged into an optical receiver unit which may hold many optical receivers. The optical receiver includes a photo-detector, a pre-amplification stage, and an attenuator. The optical receiver may have receptacle optical ports such as LC or... Agent: Motorola, Inc. Law Department

20080298816 - Receiver and electronic device: An abnormal pulse detection circuit in a receiver of the present invention includes: an incoming pulse edge detection circuit which detects the moment of rise of an input signal and outputs the result of the detection as an edge detection signal; a muting reference pulse generation circuit which generates a... Agent: Birch Stewart Kolasch & Birch

20080298817 - Light receiving device: A light receiving device includes a frame 1, and a light-receiving element 2 placed on one surface side of the frame 1. The other surface of the light-receiving element 2 opposite to the frame 1 side, as well as the frame 1, are grounded. Thus, the GND potential is present... Agent: Edwards Angell Palmer & Dodge LLP

20080298818 - Optical receiver for computing applications: A compact optical transceiver is provided in which a substrate provides for an alignment surface for optical fibers and a lens assembly provides the necessary optical paths for coupling to photodiode and photodetector structures. Appropriate electrical connections on the substrate enable the substrate to be directly connected to a printed... Agent: Pete Kirkpatrick, Aprius, Inc.