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:
May. 06, 2008
Filed:
Jan. 28, 2005
Horst Haefner, Heilbronn, DE;
Roland Polonio, Neckarsulm, DE;
Hans-joachim Sailer, Heilbronn, DE;
ATMEL Germany GmbH, Heilbronn, DE;
C-MAX Europe GmbH, Heilbronn, DE;
Abstract
Time signals transmitted by a time signal transmitter and received by a receiver are processed for gaining time information and for reducing demodulation errors to increase the demodulation certainty. For this purpose the following steps are performed in a time signal receiver: a) scanning of received time signals, b) storing of scanned values of the time signal, c) detecting from the scanned and stored values an amplitude change in said time signal, d) measuring the duration of any detected amplitude changes, e) evaluating the measured time durations relative to a predetermined time duration (Δt) and f) excluding from further processing amplitude changes that have a measured duration that is shorter than the predetermined duration. Amplitude changes of longer duration than (Δt) are demodulated and further processed. The receiver circuit is equipped to perform the foregoing steps, particularly in a radio-controlled clock.