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Class Information
Number: 329/351
Name: Demodulators > Amplitude modulation demodulator > Having specific distortion, noise or other interference prevention, reduction or compensation > Nonlinearity reduction or compensation
Description: Subject matter where an undesirable nonlinear characteristic of a demodulator, its components or its signals is neutralized.










Patents under this class:

Patent Number Title Of Patent Date Issued
8218687 Frequency dependent I/Q imbalance estimation Jul. 10, 2012
7623990 System for reducing signal interference in modulated signal communication Nov. 24, 2009
7362814 Memoryless spectrum correction algorithm for non-ideal I/Q demodulators Apr. 22, 2008
7190733 Memoryless spectrum correction algorithm for non-ideal I/Q demodulators Mar. 13, 2007
6400774 Nonlinearity-caused distortion compensating system Jun. 4, 2002
6295015 Reference generator for demodulator calibration Sep. 25, 2001
6169585 Circuit arrangement for demodulating an intermediate-frequency video signal Jan. 2, 2001
6166594 Self calibrating demodulator system Dec. 26, 2000
5029271 Superregenerative detector Jul. 2, 1991
4631487 Phase lock loop television signal demodulator Dec. 23, 1986
4259641 Linearized detector/rectifier circuit Mar. 31, 1981
4000472 Amplitude modulation envelope detector with temperature compensation Dec. 28, 1976











 
 
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