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Class Information
Number: 398/189
Name: Optical communications > Transmitter > Having particular modulation > Pulse modulation
Description: Subject matter in which modulation is produced by modulating light wave serving as a carrier by a series of pulses with similar attributes by pulse length, pulse position or pulse amplitude.

Sub-classes under this class:

Class Number Class Name Patents
398/191 Pulse time 104
398/190 Pulse-code 89

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8712236 Power management implementation in an optical link Apr. 29, 2014
8705979 LD driver with an improved falling edge of driving signal and optical transmitter providing the same Apr. 22, 2014
8682181 System, method, and apparatus for high-sensitivity optical detection Mar. 25, 2014
8676061 Signal output device, and output apparatus of signal source of signals and of laser beam pulses Mar. 18, 2014
8666259 Data transmitting and receiving apparatus and method for visible light communication Mar. 4, 2014
8655176 System and methods for converting a temporally short and spectrally broad optical pulse into a train of spectrally narrow optical pulses Feb. 18, 2014
8639124 Method and apparatus for dimming with rate control for visible light communications (VLC) Jan. 28, 2014
8588616 Method and apparatus for optically transmitting data Nov. 19, 2013
8554087 System and method for imaging objects through turbid media Oct. 8, 2013
8526829 System, method and apparatus for clockless PPM optical communications Sep. 3, 2013
8526825 Visible light communication transmitter and visible light communication system Sep. 3, 2013
8521037 Optoelectronic logic gate Aug. 27, 2013
8478133 Method for encoding and decoding of optical signals Jul. 2, 2013
8478134 Compression of generated optical continuum utilizing higher-order-mode fiber Jul. 2, 2013
8452189 Source-multiplexed pulse amplitude modulation (PAM) optical data communication system and method May. 28, 2013
8428472 High-speed transmission system for optical channels Apr. 23, 2013
8405019 Photon detector Mar. 26, 2013
8385751 Optical transmitter adaptation to network topology Feb. 26, 2013
8364042 Optical interconnection arrangement for high speed, high density communication systems Jan. 29, 2013
8331796 Method and device for communicating data using a light source Dec. 11, 2012
8301033 LD driver with an improved falling edge of driving signal and optical transmitter providing the same Oct. 30, 2012
8265489 Optical field transmitter and optical field transmission system Sep. 11, 2012
8260149 Carrier-suppressed optical pulse train generating device Sep. 4, 2012
8249460 Apparatus and method for generating an RF signal Aug. 21, 2012
8208818 Optical free space transmission system using visible light and infrared light Jun. 26, 2012
8150271 Active tuning of temporal dispersion in an ultrashort pulse laser system Apr. 3, 2012
8144761 Pulse transmission method, pulse transmission system, transmitter, and receiver Mar. 27, 2012
8107825 Apparatus and method for support of dimming in visible light communication Jan. 31, 2012
8081882 Optical high-rate pulse position modulation scheme and optical communications system based thereon Dec. 20, 2011
8078062 Carrier-suppressed optical pulse train generating device and method Dec. 13, 2011
8027592 Infrared remote control signaling generator Sep. 27, 2011
8014681 Device with optically transparent housing for conducting light signals and methods of manufacture and use Sep. 6, 2011
7983569 High-speed transmission system for optical channels Jul. 19, 2011
7983565 Integrated optical communication and range finding system and application thereof Jul. 19, 2011
7949259 Visible light communication system and method therefor May. 24, 2011
7945171 Optical pulse time spreader and optical code division multiplexing transmission device May. 17, 2011
7924457 Electro-optical device that includes a plurality of driving transistors turned on and off in accordance with a plurality of pulse width modulation signals Apr. 12, 2011
7912376 Non-interfering transmitted-beam pairs Mar. 22, 2011
7902526 3D two-photon lithographic microfabrication system Mar. 8, 2011
7894725 Time-multiplexed optical waveform generation Feb. 22, 2011
7881619 System and method of using variable pulses for symbology Feb. 1, 2011
7881620 Stabilized optical fiber continuum frequency combs using post-processed highly nonlinear fibers Feb. 1, 2011
7853146 Optical transmission apparatus Dec. 14, 2010
7848658 Modulation scheme for tedons Dec. 7, 2010
7831113 Optical pulse position modulator with chirp compensation Nov. 9, 2010
7822347 Active tuning of temporal dispersion in an ultrashort pulse laser system Oct. 26, 2010
7796897 WDM optical transmission system and WDM optical transmission method Sep. 14, 2010
7761012 Optical communication system and method for generating dark return-to zero and DWDM optical MM-Wave generation for ROF downstream link using optical phase modulator and optical interleaver Jul. 20, 2010
7742704 Visible light control apparatus, visible light control circuit, visible light communication apparatus, and visible light control method Jun. 22, 2010
7729616 Phase chip frequency-bins optical code division multiple access Jun. 1, 2010

1 2 3 4 5

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