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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 264
398/203 Homodyne 116
398/212 Including optical element (e.g., lens, mirror, etc.) 355
398/214 Including optical waveguide 239
398/208 Including postcompensation 544


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Patent Number Title Of Patent Date Issued
8712254 Electronic dispersion compensation within optical communications using reconstruction Apr. 29, 2014
8705957 Optical line terminal Apr. 22, 2014
8705970 Method for data processing in an optical network, optical network component and communication system Apr. 22, 2014
8705984 Optical transmission apparatus and method for controlling variable optical attenuator Apr. 22, 2014
8693898 Adaptive equalizer, optical receiver, and tap coefficient correcting method Apr. 8, 2014
8693895 Signal transmission and reception device and method Apr. 8, 2014
8693886 Optical transmission system Apr. 8, 2014
8693879 Discrete bootstrapping in an optical receiver to prevent signal feedback Apr. 8, 2014
8693897 Digital demodulator architecture Apr. 8, 2014
8692179 Optical communication system using grounded coplanar waveguide Apr. 8, 2014
8687958 Intelligent optical module capable of restarting remotely from host system Apr. 1, 2014
8687970 Modulator and demodulator for a differential optical modulation format with eight phase changes Apr. 1, 2014
8687981 Method and system for split voltage domain transmitter circuits Apr. 1, 2014
8687983 Laser communication system Apr. 1, 2014
8687974 Skew compensation and tracking in communications systems Apr. 1, 2014
8682182 Blind carrier frequency offset detection for coherent receivers using quadrature amplitude modulation formats Mar. 25, 2014
8682173 Communication using modulated waves applied to an optical fiber Mar. 25, 2014
8682180 Interpolator for high-rate optical communications Mar. 25, 2014
8676054 Optical transmission receiver and method for the same Mar. 18, 2014
8670677 Remote control signal receiving circuit Mar. 11, 2014
8670678 Digital coherent receiver and digital coherent reception method Mar. 11, 2014
8670679 Coherent optical receiving apparatus and optical signal processing method Mar. 11, 2014
8666256 Optical transceiving system with frame synchronization and optical receiving apparatus Mar. 4, 2014
8666259 Data transmitting and receiving apparatus and method for visible light communication Mar. 4, 2014
8660438 Digital coherent receiver and receiving method Feb. 25, 2014
8660437 Minimizing distortion due to wavelength dependent loss in WDM optical networks Feb. 25, 2014
8655196 Phase control circuit and method for optical receivers Feb. 18, 2014
8655194 Method for improving the performance of digital coherent optical receiver using single ended photo-detection Feb. 18, 2014
8655193 Optical multi-level transmission system Feb. 18, 2014
8655192 Polarization diversity optical system device, demodulator and transceiver Feb. 18, 2014
8655190 Wavelength division multiplexed optical communication system architectures Feb. 18, 2014
8654826 Multi-stage phase estimation method and apparatus Feb. 18, 2014
8649690 Optical communication reception system Feb. 11, 2014
8644713 Optical burst mode clock and data recovery Feb. 4, 2014
8644715 Method and device for monitoring and controlling phase difference based on DQPSK modulation Feb. 4, 2014
8639127 Method and apparatus for improved jitter tolerance Jan. 28, 2014
8639125 Light reception device and method for controlling the same Jan. 28, 2014
8639118 Wavelength division multiplexed optical communication system having variable channel spacings and different modulation formats Jan. 28, 2014
8634721 Method, system, and apparatus for optical communication Jan. 21, 2014
8634726 Polarization and differential-group-delay insensitive digital timing error detection for polarization-multiplexed coherent optical systems Jan. 21, 2014
8634727 Coherent optical receiver, apparatus and method for detecting interchannel skew in coherent optical receiver Jan. 21, 2014
8630552 Digital coherent receiver and receiving method Jan. 14, 2014
8620163 Systems and methods for optically communicating small data packets to mobile devices Dec. 31, 2013
8620164 Hybrid III-V silicon laser formed by direct bonding Dec. 31, 2013
8611763 Phase noise compensation in coherent optical communications systems Dec. 17, 2013
8606118 Optical digital coherent receiver Dec. 10, 2013
8594515 Digital phase conjugation for fiber-optic links Nov. 26, 2013
8587364 Receiving circuit having a light receiving element which receives a light signal Nov. 19, 2013
8588560 Optical 90-degree hybrid circuit Nov. 19, 2013
8588612 Optical detection device in WDM-PON and method for same Nov. 19, 2013

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