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Class Information
Number: 398/102
Name: Optical communications > Multiplex > Time division > Including delay
Description: Subject matter wherein the time division optical multiplexing is accomplished by the use of a delay of an input light beam.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8712244 Communication system and time synchronization method Apr. 29, 2014
8606106 Optical fibre network Dec. 10, 2013
8542994 PON system and terminal operation registering method Sep. 24, 2013
8488975 Optical transmitter, optical transmitter and receiver system, optical transmitting method and optical transmitting and receiving method Jul. 16, 2013
8467677 Method for monitoring a passive optical network using monitoring units Jun. 18, 2013
8412047 Polarization multiplexed light transmitter and control method thereof Apr. 2, 2013
8385744 Delay control method in passive optical network, an optical line terminal and a passive optical network Feb. 26, 2013
8364035 PON system and terminal operation registering method Jan. 29, 2013
8358931 System and method for precise, accurate and stable optical timing information definition including internally self-consistent substantially jitter free timing reference Jan. 22, 2013
8260142 Multi-channel optical arrayed time buffer Sep. 4, 2012
8249459 Method and apparatus for generating time-division multiplexed encoded transmission signal Aug. 21, 2012
8195050 Optical transmission apparatus, subscriber apparatus and optical communication system Jun. 5, 2012
8180218 PON system and terminal operation registering method May. 15, 2012
8165465 Apparatus and method of controlling tap coefficient of transversal filer, optical receiver apparatus, and optical communication system Apr. 24, 2012
8139950 Passive optical network system, optical line terminator and, communication method of passive optical network system Mar. 20, 2012
8126333 Optical transmission system and synchronization method using time reference pulse Feb. 28, 2012
8121485 RF-photonic transversal filter method and apparatus Feb. 21, 2012
8103170 Method for optical time division multiplex and apparatus thereof Jan. 24, 2012
8095017 Fully optical device for breaking down the dynamic range of an optical signal and system for measuring the signal using the device Jan. 10, 2012
8081877 Method of determining an optical distance for chromatic dispersion compensation Dec. 20, 2011
8073333 Multiplex delay unit Dec. 6, 2011
8068743 System and method for precise, accurate and stable optical timing information definition Nov. 29, 2011
8041223 Method and apparatus for establishing system delay time and frame length in time division duplexing system Oct. 18, 2011
7995924 Method and system for generating switching control signal separating transmission signal in optical repeater employing TDD scheme Aug. 9, 2011
7974542 OTDM-DPSK signal generator capable of detecting an optical carrier phase difference between optical pulses Jul. 5, 2011
7970285 Multichannel optical transport network optical detection skew calibration Jun. 28, 2011
7965941 Multichannel optical transport network time domain reflectometry calibration Jun. 21, 2011
7948897 Delay management for distributed communications networks May. 24, 2011
7945165 Optical signal synchronizer May. 17, 2011
7920791 Passive optical network system and method of data transmission in the passive optical network Apr. 5, 2011
7907798 Systems and methods for polarization mode dispersion mitigation Mar. 15, 2011
7873279 Light transfer apparatus for an electronic device Jan. 18, 2011
7844180 Optical device and a method for converting WDM signals into an OTDM signal and vice versa Nov. 30, 2010
7783203 System and method for controlling a difference in optical phase and an optical signal transmitter Aug. 24, 2010
7729572 Optical tapped time delay modules and arrays Jun. 1, 2010
7724994 Digitally controlled optical tapped time delay modules and arrays May. 25, 2010
7702240 Optical multiplex communication system and delay quantity adjustment method Apr. 20, 2010
RE41239 Method and apparatus for stretching an optical pulse Apr. 20, 2010
7688843 Operations method in an ethernet passive optical network that includes a network unit with multiple entities Mar. 30, 2010
7672585 Optical switch system Mar. 2, 2010
7668466 Free space demodulator for demodulating a signal Feb. 23, 2010
7660536 Optical modulating circuit and optical modulating method Feb. 9, 2010
7643754 Method of and apparatus for providing multi-wavelength light source Jan. 5, 2010
7627253 RF-photonic transversal filter method and apparatus Dec. 1, 2009
7623791 Optical signal multiplexing device and optical signal multiplexing method Nov. 24, 2009
7599624 System and method for switching channels using tunable laser diodes Oct. 6, 2009
7593644 Synchronization of lasers and RF sources using timing information transfer in the optical domain Sep. 22, 2009
7587140 Optical time-division demultiplexing apparatus Sep. 8, 2009
7577363 Optical device and method of converting WDM signals into an OTDM signal and vice versa Aug. 18, 2009
7570660 Apparatus for implementing transparent subwavelength networks Aug. 4, 2009

1 2 3 4 5

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