Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 375/420.01
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
Laser protection polymeric materials
Tiger paw stationary tab
Braided pull tug pet toy
Inspection systems and methods for detecting defects on extreme ultraviolet mask blanks
String changing tool with a quick connector assembly and worm gear string cutter
Cellulose derivative and hydrogel thereof
Portable electric circular saw
  Randomly Featured Patents
Resolution process for benzazepine intermediates
Apparatus and method for repairing a wheel bearing cage
Two state bi-directional bus
Hybrid images for maps combining low frequency map data and high frequency satellite image data
Polishing compound for sheet metal coating
Sectored semiconductor memory device with configurable memory sector addresses
Lighted momentary switch array
Allergen from house-dust mites
Di- and tri-substituted oxazolidin-2-one oximes
Configuration and dynamic detection of connection-based backup policies