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Browse by Category: Main > Communications

Class Information
Number: 375/E7.003
Name: Pulse or digital communications >
Description:

Sub-classes under this class:

Class Number	Class Name	Patents
375/130	Spread spectrum	1,442
375/211	Repeaters	255
375/216	Apparatus convertible to analog	213
375/218	Earth or water medium	15
375/219	Transceivers	1,234
375/224	Testing	800
375/229	Equalizers	825
375/237	Pulse number modulation	32
375/238	Pulse width modulation	448
375/239	Pulse position, frequency, or spacing modulation	298
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	858
375/259	Systems using alternating or pulsating current	749
375/286	Multilevel	295
375/295	Transmitters	1,215
375/316	Receivers	1,633
375/353	Pulse amplitude modulation	123
375/354	Synchronizers	1,521
375/377	Miscellaneous	582

Patents under this class:

Patent Number	Title Of Patent	Date Issued
RE40664	Method for display time stamping and synchronization of multiple video object planes	Mar. 17, 2009