Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 375/122
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
Upper surface of a skateboard deck
Battery comprising circuitry for charge and discharge control, and method of operating a battery
Email certificates
Segmenting video based on timestamps in comments
Fusing device to prevent overheating of a heating member and image forming apparatus having the same
Image sensor with improved color crosstalk
  Randomly Featured Patents
Bushing isolator for lead-through of electrical lines providing moisture sealing between two housings
Supply-regulated phase-locked loop (PLL) and method of using
Compatible optical recording medium
Structures and methods for reduction of parasitic capacitances in semiconductor integrated circuits
Substrate processing apparatus
Pneumatic tire pressure indicator
Container for recorded media
Data transfer apparatus with improved throughput due to reduced processing overhead in interrupt process
Work sheet conveying and housing system and work sheet conveying and housing method
Optical memory and data pattern generator