Pulse or digital communications – Systems using alternating or pulsating current – Amplitude modulation
Reexamination Certificate
2003-02-17
2008-10-07
Ha, Dac V (Department: 2611)
Pulse or digital communications
Systems using alternating or pulsating current
Amplitude modulation
C375S277000, C375S321000, C375S340000, C375S350000, C455S047000, C455S063100, C455S204000, C455S307000, C455S337000
Reexamination Certificate
active
07433417
ABSTRACT:
The invention relates to a receiver (1, 49, 51, 52, 54) for receiving RF signals. The known receiver comprises a phase-locked loop which is controlled by the stereo pilot. Because of unwanted frequency changes, a sampling rate converter precedes the stereo decoder. Filtering operations within a complex range can be performed by means of the invention.
REFERENCES:
patent: 4709270 (1987-11-01), Mehrgardt
patent: 5257312 (1993-10-01), Therssen et al.
patent: 5357544 (1994-10-01), Horner et al.
patent: 5568206 (1996-10-01), Goeckler
patent: 5870402 (1999-02-01), Kelley
patent: 7295631 (2007-11-01), Wildhagen
patent: 0 512 606 (1992-11-01), None
patent: 0512606 (1992-11-01), None
patent: 1 259 002 (2002-11-01), None
Tirry Wouter Joos
Van Paepegem Ludovic Albert Jozef
Ha Dac V
NXP B.V.
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