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Class Information
Number: 375/2.1
Name: Pulse or digital communications >
Description:










Sub-classes under this class:

Class Number Class Name Patents
375/130 Spread spectrum 2,187
375/211 Repeaters 411
375/216 Apparatus convertible to analog 253
375/218 Earth or water medium 21
375/219 Transceivers 2,210
375/224 Testing 1,325
375/229 Equalizers 1,457
375/237 Pulse number modulation 52
375/238 Pulse width modulation 653
375/239 Pulse position, frequency, or spacing modulation 419
375/240 Bandwidth reduction or expansion 1,527
375/242 Pulse code modulation 592
375/256 Pulse transmission via radiated baseband 154
375/257 Cable systems and components 1,163
375/259 Systems using alternating or pulsating current 1,580
375/286 Multilevel 404
375/295 Transmitters 3,033
375/316 Receivers 3,901
375/353 Pulse amplitude modulation 192
375/354 Synchronizers 2,487
375/377 Miscellaneous 721


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
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