Patents-Review.com
ClassID:

223894 ⎘

H04B10/5053 - page 2 - CPC Classification

Classification description:

Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication; Transmitters; Structural aspects; Laser transmitters using external modulation using a parallel, i.e. shunt, combination of modulators

Recent Application in this class:
#301
20070047954
2007-03-01

Method and apparatus for control of DPSK and DQPSK receivers and transmitters

 #302
20070009269
2007-01-11

Optical return-to-zero phase-shift keying with improved transmitters

 #303
20070009264
2007-01-11

Data transmission method and a system thereof

 #304
20060269294
2006-11-30

Optical transmission equipment and integrated circuit

 #305
20060263098
2006-11-23

Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them

 #306
20060263097
2006-11-23

Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them

 #307
20060222371
2006-10-05

Optical communication system, method, and optical transmitting station

 #308
20060216039
2006-09-28

Polarization duobinary optical transmitter

 #309
20060210283
2006-09-21

TRANSMITTERS FOR INVERSELY DISPERSED OPTICAL SIGNALS

 #310
20060193399
2006-08-31

Optical communication device

 #311
20060159466
2006-07-20

Offset quadrature phase-shift-keying method and optical transmitter using the same

 #312
20060127104
2006-06-15

Control system for a polar optical transmitter

 #313
20060127102
2006-06-15

Modulation E-field based control of a non-linear transmitter

 #314
20060008278
2006-01-12

Method and apparatus for CRZ-DQPSK optical signal generation

 #315
20050238367
2005-10-27

Quadrature amplitude modulation of optical carriers

 #316
20050213862
2005-09-29

Bias adjustment method for optical SSB modulator or optical FSK modulator

 #317
20050201760
2005-09-15

Method and system for generating CS-RZ pulses showing narrow width of bit duration

 #318
20050180761
2005-08-18

Optical wavelength multiplexing FSK modulation method

 #319
20050117915
2005-06-02

Optical transmission method and system

 #320
20050100347
2005-05-12

Optical data transmitting apparatus and method

 #321
20050041981
2005-02-24

Methods and apparatus for producing transmission failure protected, bridged, and dispersion resistant signals

 #322
20050036791
2005-02-17

Distributed amplifier optical modulators

 #323
20050036725
2005-02-17

Methods and apparatus for optical pulse generator with progressive phase shift

 #324
20050019040
2005-01-27

Optical communication system and method using spread-spectrum encoding

 #325
20050002676
2005-01-06

Optical phase and intensity modulation with improved transmitters

 #326
18680843
2024-11-05

Enhanced subranging electro-optic modulator (SEOM) for high dynamic range applications

 #327
18585565
2025-01-21

Wavelength-multiplexed subranging electro-optic modulator (SEOM) for high dynamic range applications

 #328
18426077
2025-11-04

Methods of injection locking for multiple optical source generation

 #329
18238801
2024-02-27

Wavelength-multiplexed subranging electro-optic modulator (SEOM) for high dynamic range applications

 #330
17695433
2023-04-18

Remotely emitting confined electromagnetic radiation from laser-induced plasma filaments

 #331
17690760
2024-02-20

Methods of injection locking for multiple optical source generation

 #332
17484187
2023-06-20

Gigabit multimode bidirectional optical module

 #333
16417788
2020-08-11

Bias control of optical modulators

 #334
16024677
2019-12-03

Extinction ratio improvements in silicon photonics

 #335
15219005
2019-11-12

Optical communication circuits

 #336
15154756
2018-04-10

Integrated interferometric optical transmitter

 #337
14069956
2016-05-17

Integrated interferometric optical transmitter

 #338
13602282
2016-01-12

Apparatus for dual-polarization QAM and optical communications system using the same cross-reference to related application