Method and security module for adaptation of a reference value for generation of a bit stream

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United States of America Patent

PATENT NO 9906247
SERIAL NO

15514199

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Abstract

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A method and a circuit are arranged for adapting a first reference value for generating a first bit stream from an input signal by a first amplitude adapting unit. The input signal comprises a first and a second signal. The first signal and the second signal form a baseband sum signal. A first non-linear component demodulates the input signal and outputs a demodulated input signal. The amplitude adapting unit outputs the first bit stream from the demodulated input signal on the basis of a first reference value. A reference-value adapting unit comprises a detection unit which detects the first and the second signal. Upon discontinuation of the first and second signals, an adjusting unit adjusts the first reference value to a basic reference value.

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Patent Owner(s)

Patent OwnerAddress
GIESECKE+DEVRIENT MOBILE SECURITY GMBH81677 MÜNCHEN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Finkenzeller, Klaus Unterföhring, DE 40 958
Pfeiffer, Florian Grafing bein München, DE 4 0

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