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Browse by Category: Main > Communications

Class Information
Number: 375/29
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