The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 25, 2001
Filed:
Apr. 17, 1998
Dominik J. Berger, Graz, AT;
Wolfgang Eber, Graz, AT;
U.S. Philips Corporation, New York, NY (US);
Abstract
A transponder (,) for the contactless communication with a base station (,) comprises an antenna resonant circuit (,) for receiving a modulated HF signal (,), signal processing means (,) for processing the modulated HF signal and for supplying a data signal (DS) and a clock signal (CLK), and data processing means (,) arranged to receive the data signal (DS) and the clock signal (CLK) and to process the data signal (DS), the clock signal (CLK) defining the processing speed of the data processing means (,) and the data processing means (,) being arranged to receive reset information (RI) for terminating the processing of the data signal (DS), the transponder (,) further comprising a frequency detector (,) arranged to receive the clock signal (CLK) and adapted to compare the frequency of the clock signal (CLK) with at least one limit frequency (f,) and to supply the reset information (RI) to the data processing means (,).