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Class Information
Number: 375/320
Name: Pulse or digital communications > Receivers > Amplitude modulation
Description: Subject matter wherein the receiver extracts a modulating signal from an input AM signal whose amplitude of a carrier varies over a continuum of values in accordance with the modulating signal.


Sub-classes under this class:

Class Number Class Name Patents
375/321 Single or vestigial sideband or suppressed carrier 184


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
5222144 Digital quadrature radio receiver with two-step processing Jun. 22, 1993
5025454 Pulse to zero digital (PZ) modulation Jun. 18, 1991
4686484 Phase detection circuit Aug. 11, 1987
4639911 Head-end and receiver for a signal distribution system Jan. 27, 1987
4253189 Circuit for recovering the carrier of an amplitude modulated synchronous digital signal Feb. 24, 1981

1 2 3


 
 
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