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:
Dec. 12, 2006
Filed:
Sep. 17, 2004
Bruno Paille, Saint-Aupre, FR;
Mariano Bona, Grenoble, FR;
Bruno Paille, Saint-Aupre, FR;
Mariano Bona, Grenoble, FR;
STMicroelectronics SA, Montrouge, FR;
Abstract
A demodulation device is provided that includes first and second power control circuits and demodulation circuits. The first power control circuit keeps the amplitude of a modulated input signal constant, and the demodulation circuits applying a demodulation processing to the input signal. The second input signal power control circuit generates a control signal having a signal present state representing detection of the presence of the input signal and a signal disappeared state representing detection of disappearance of the input signal. The demodulation device further includes means for deactivating the demodulation circuits when the control signal changes from the signal present state to the signal disappeared state, and for activating the demodulation circuits when the control signal changes from the signal disappeared state to the signal present state so as to enable a fast restart of the demodulation processing.