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Class Information
Number: 375/31
Name: Pulse or digital communications >
Description:


Sub-classes under this class:

Class Number Class Name Patents
375/130 Spread spectrum 1,434
375/211 Repeaters 254
375/216 Apparatus convertible to analog 213
375/218 Earth or water medium 15
375/219 Transceivers 1,220
375/224 Testing 791
375/229 Equalizers 818
375/237 Pulse number modulation 32
375/238 Pulse width modulation 445
375/239 Pulse position, frequency, or spacing modulation 295
375/240 Bandwidth reduction or expansion 909
375/242 Pulse code modulation 440
375/256 Pulse transmission via radiated baseband 84
375/257 Cable systems and components 854
375/259 Systems using alternating or pulsating current 743
375/286 Multilevel 293
375/295 Transmitters 1,204
375/316 Receivers 1,606
375/353 Pulse amplitude modulation 122
375/354 Synchronizers 1,504
375/377 Miscellaneous 582


Patents under this class:

Patent Number Title Of Patent Date Issued



 
 
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