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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 1,440
375/211 Repeaters 254
375/216 Apparatus convertible to analog 213
375/218 Earth or water medium 15
375/219 Transceivers 1,227
375/224 Testing 794
375/229 Equalizers 820
375/237 Pulse number modulation 32
375/238 Pulse width modulation 446
375/239 Pulse position, frequency, or spacing modulation 297
375/240 Bandwidth reduction or expansion 911
375/242 Pulse code modulation 442
375/256 Pulse transmission via radiated baseband 85
375/257 Cable systems and components 856
375/259 Systems using alternating or pulsating current 745
375/286 Multilevel 294
375/295 Transmitters 1,211
375/316 Receivers 1,624
375/353 Pulse amplitude modulation 122
375/354 Synchronizers 1,515
375/377 Miscellaneous 582


Patents under this class:

Patent Number Title Of Patent Date Issued



 
 
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