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Browse by Category: Main > Communications
Class Information
Number: 398/202
Name: Optical communications > Receiver
Description: Subject matter under class d efinition including an optoelectronic circuit for converting a received modulated optical signal (e.g., light or laser) into a signal corresponding to the information transmitted.










Sub-classes under this class:

Class Number Class Name Patents
398/204 Heterodyne 257
398/203 Homodyne 111
398/212 Including optical element (e.g., lens, mirror, etc.) 347
398/214 Including optical waveguide 235
398/208 Including postcompensation 511


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Patent Number Title Of Patent Date Issued
7583904 Transimpedance (TIA) circuit usable for burst mode communications Sep. 1, 2009
7580642 Modulation scheme for tedons Aug. 25, 2009
7580643 Communications systems and methods Aug. 25, 2009
7577370 Method and apparatus for extracting optical clock signal Aug. 18, 2009
7573045 Plasmon wave propagation devices and methods Aug. 11, 2009
7570109 System and method for demodulating amplitude modulated signals Aug. 4, 2009
7567760 Method and apparatus for providing diagnostic features for an optical transceiver Jul. 28, 2009
7561805 Optical transmitter, optical receiver, optical communication system, and optical transmitter and receiver Jul. 14, 2009
7561812 Optical receiver with matched photodetector capacitance Jul. 14, 2009
7558489 Method and apparatus for monitoring the power level of two or more optical transmitters Jul. 7, 2009
7558490 Resonant detector for optical signals Jul. 7, 2009
7555228 Method and system for facilitating burst-mode optical power measurement Jun. 30, 2009
7555227 Polarization compensation in a coherent optical receiver Jun. 30, 2009
7555217 Multi wavelength electromagnetic device Jun. 30, 2009
7554083 Integration of electromagnetic detector on integrated chip Jun. 30, 2009
7548700 Receiving apparatus and method thereof Jun. 16, 2009
7542682 Millimeter wave transmitter using optical heterodyning Jun. 2, 2009
7539423 Loss of signal detection and programmable behavior after error detection May. 26, 2009
7532825 Optical receiver May. 12, 2009
7532826 Optical demultiplexer and receiver assembly May. 12, 2009
7529490 Optical receiver and optical reception method compatible with differential quadrature phase shift keying May. 5, 2009
7522847 Continuous time filter-decision feedback equalizer architecture for optical channel equalization Apr. 21, 2009
7522845 WDM laser wavelength control Apr. 21, 2009
7514666 Composite receiver assembly having a circuit board on which multiple receiver devices that operate on different sets of wavelengths are mounted Apr. 7, 2009
7508257 Low-power digital demodulator Mar. 24, 2009
7509049 System for selectively combining satellite signals sent to a user through an optical fiber Mar. 24, 2009
7509052 Optical receiver, optical transmitter and optical transceiver Mar. 24, 2009
7509059 Optical receiver and data communication apparatus comprising same Mar. 24, 2009
7509113 Monolithic optical autocompensation read-out circuit for precise reflection measurements of distances Mar. 24, 2009
7505696 Optical receiver with increased dynamic range Mar. 17, 2009
7505695 Optical receiver and optical transmission system Mar. 17, 2009
7502569 Optical receiver preamplifier Mar. 10, 2009
7495203 In-situ power monitor providing an extended range for monitoring input optical power incident on avalanche photodiodes Feb. 24, 2009
7495204 Remote control receiver device and ambient light photosensor device incorporated into a single composite assembly Feb. 24, 2009
7486895 Effective control algorithm for optical polarization mode dispersion compensators Feb. 3, 2009
7483638 Optical transceiver Jan. 27, 2009
7483641 Optical hybrid Jan. 27, 2009
7483642 Receiver for OTDM/PDM optical signals Jan. 27, 2009
7477852 Optical receiver apparatus and method Jan. 13, 2009
7477848 Optical receiving apparatus and method for controlling the optical receiving apparatus Jan. 13, 2009
7477847 Optical and electrical channel feedback in optical transceiver module Jan. 13, 2009
7474860 Optimum sample spacing in over-sampled maximum likelihood sequence estimation receivers Jan. 6, 2009
7469106 Reference phase and amplitude estimation for coherent optical receiver Dec. 23, 2008
7466922 Flexible control and status architecture for optical modules Dec. 16, 2008
7466928 Optical receiver with dynamic gain and bandwidth Dec. 16, 2008
7466929 Method and system for superheterodyne detection of an optical input signal Dec. 16, 2008
7466930 Optical receiver module and optical receiver module system Dec. 16, 2008
7460793 Coherent optical detection and signal processing method and system Dec. 2, 2008
7460792 Receiving circuit and electronic apparatus for optical communication Dec. 2, 2008
7460791 Detection of optical light power Dec. 2, 2008

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