Integrated circuit comprising a clock-signal generator,...

Details Integrated circuit comprising a clock-signal generator,... Integrated circuit comprising a clock-signal generator,...

2008-07-15

2008-07-15

Maung, Nay (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

C455S041200, C455S558000, C340S572700, C340S870030

Reexamination Certificate

active

10498681

ABSTRACT:
A contactless integrated circuit receiving an RF signal comprises a clock-signal generator to produce a clock signal from a first half wave and a second half wave representing the received RF signal. Also disclosed is a method for the generation of a clock signal in which the first half wave and the second half wave are compared to produce the clock signal. The invention is adapated for use in contactless cards, transponders, and the like.

REFERENCES:
patent: 5332936 (1994-07-01), Nakao
patent: 6003777 (1999-12-01), Kowalski
patent: 6097292 (2000-08-01), Kelly et al.
patent: 6501259 (2002-12-01), Cheng
patent: 6525410 (2003-02-01), Gelsomini et al.
patent: 6907234 (2005-06-01), Karr et al.
patent: 2001/0008296 (2001-07-01), Gelsomini et al.
patent: 0 687 119 (1995-12-01), None

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