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Class Information
Number: 398/154
Name: Optical communications > Transmitter and receiver system > Including synchronization
Description: Subject matter wherein all transmitters and receivers operate in the same time frame and their respective clocks are maintained to be at the same time and operating in an identical manner.










Sub-classes under this class:

Class Number Class Name Patents
398/155 Clock recovery 355


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8712244 Communication system and time synchronization method Apr. 29, 2014
8712251 Transport of multiple asynchronous data streams using higher order modulation Apr. 29, 2014
8705964 Method and system for data synchronization in passive optical networks Apr. 22, 2014
8687973 Voltage generator, control circuit, vector sum phase shifter, and optical transceiver Apr. 1, 2014
8687968 Vector sum phase shifter, optical transceiver, and control circuit Apr. 1, 2014
8687971 System, laser-on-CMOS chip, and method for setting a wavelength to be used by the laser-on-CMOS chip Apr. 1, 2014
8666256 Optical transceiving system with frame synchronization and optical receiving apparatus Mar. 4, 2014
8660433 Pilot-assisted data transmission in a coherent optical-communication system Feb. 25, 2014
8660434 Printed circuit board and optical transmission device Feb. 25, 2014
8644713 Optical burst mode clock and data recovery Feb. 4, 2014
8639127 Method and apparatus for improved jitter tolerance Jan. 28, 2014
8630546 Network interface device synchronization Jan. 14, 2014
8615170 Method and system for one-way time transmission Dec. 24, 2013
8600239 Precise clock synchronization over optical fiber Dec. 3, 2013
8600233 Arbitration of optical communication bus Dec. 3, 2013
8594497 Multi-interface protocol analysis system Nov. 26, 2013
8571422 Burst transmission method, and receiver resetting method and apparatus in a passive optical network Oct. 29, 2013
8570874 Method, system and optical network device for synchronizing time of a passive optical network Oct. 29, 2013
8565609 Distribution system for optical reference Oct. 22, 2013
8559826 Digital image sender, digital image receiver, digital image transmission system and digital image transmission method Oct. 15, 2013
8542995 Optical network terminal, method for time syncronization thereof, optical line terminal, and method for managing network thereof Sep. 24, 2013
8543005 Intentionally skewed optical clock signal distribution Sep. 24, 2013
8538257 Apparatus and method for performing line analysis of continuous data signals Sep. 17, 2013
8526829 System, method and apparatus for clockless PPM optical communications Sep. 3, 2013
8521035 Systems and methods for visible light communication Aug. 27, 2013
8494378 Synchronous optical signal generating device and synchronous optical signal generating method Jul. 23, 2013
8493982 Two and three-stroke discovery process for 10G-EPONs Jul. 23, 2013
8494363 Signal format conversion apparatus and methods Jul. 23, 2013
8488964 Line control method in optical network and optical network itself Jul. 16, 2013
8472515 Clock and data recovery circuit with decision feedback equalization Jun. 25, 2013
8463131 Method and apparatus for conveying timing information Jun. 11, 2013
8463133 Signal framing in a coherent optical receiver Jun. 11, 2013
8451869 8/10 and 64/66 aggregation May. 28, 2013
8437641 Clock regeneration for optical communications May. 7, 2013
8433202 40, 50 and 100 Gb/s optical transceivers/transponders in 300pin and CFP MSA modules Apr. 30, 2013
8428183 In-phase and quadrature pattern alignment for quadrature phase shift keying optical transmitters Apr. 23, 2013
8417115 Quantifying link quality in an optoelectronic module Apr. 9, 2013
8406631 Network timing Mar. 26, 2013
8406633 Method and apparatus for data frame synchronization and delineation Mar. 26, 2013
8401384 Optical access system, optical switching unit and optical line terminal Mar. 19, 2013
8391726 Method and apparatus for frame detection and polarization separation Mar. 5, 2013
8391710 Optical sensor system, optical sensor device and bus segment for connecting the device to a bus of the system Mar. 5, 2013
8385748 Printed circuit board and optical transmission device Feb. 26, 2013
8380079 Circuit for end-of-burst detection Feb. 19, 2013
8380081 Method and apparatus for channel allocation in a visible light communication system Feb. 19, 2013
8351785 Gigabit passive optical network transmission convergence extension for next generation access Jan. 8, 2013
8346094 Optical transmission system and electronic device using the same Jan. 1, 2013
8335438 Estimating frequency offset using a feedback loop Dec. 18, 2012
8335240 Methods and apparatus for aligning a communications frame to a predetermined phase Dec. 18, 2012
8335437 Time synchronization method and device in passive optical network and passive optical network Dec. 18, 2012

1 2 3 4 5 6 7 8 9 10 11










 
 
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