Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 375/2.1
Name: Pulse or digital communications >

Sub-classes under this class:

Class Number Class Name Patents
375/130 Spread spectrum 2,191
375/211 Repeaters 413
375/216 Apparatus convertible to analog 253
375/218 Earth or water medium 21
375/219 Transceivers 2,218
375/224 Testing 1,331
375/229 Equalizers 1,465
375/237 Pulse number modulation 52
375/238 Pulse width modulation 654
375/239 Pulse position, frequency, or spacing modulation 419
375/240 Bandwidth reduction or expansion 1,530
375/242 Pulse code modulation 592
375/256 Pulse transmission via radiated baseband 154
375/257 Cable systems and components 1,170
375/259 Systems using alternating or pulsating current 1,585
375/286 Multilevel 407
375/295 Transmitters 3,044
375/316 Receivers 3,914
375/353 Pulse amplitude modulation 192
375/354 Synchronizers 2,488
375/377 Miscellaneous 722

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Login security with short messaging
Method and system for producing fluoride gas and fluorine-doped glass or ceramics
Light fixture
Signal processing apparatus and methods
Method, system and computer program product for verifying floating point divide operation results
Pixel structure of a solid-state image sensor employing a charge sorting method
Real-time demand prediction in a fast service restaurant environment
  Randomly Featured Patents
Three line scanner for bar code symbols
Radio telephone
Crushing apparatus
Suspender arm for machinery
Gauge instrument for use in a motor vehicle
Drainage structure of fan motor
System board
Disposable syringe
Green fluoropolymer tube and endovascular prosthesis formed using same
Plastic hand lift pressure pump