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:
Jan. 06, 1987
Filed:
May. 10, 1985
Hans R Schemmel, Nuremberg, DE;
Hermann Schonamsgruber, Nuremberg, DE;
U.S. Philips Corporation, New York, NY (US);
Abstract
The described circuit arrangement converts an alternating current signal into a binary signal when the level of the alternating current signal exceeds an initial threshold voltage. During the period of time in which the alternating current signal is delivered, the threshold voltage is reduced. If the level of the alternating current signal falls short of the reduced threshold voltage, then the delivery of the alternating current signal is interrupted and the threshold voltage is again increased to its initial value. This hysteresis during switch-on and switch-off of the binary signal results in either an error-free binary signal being supplied or no binary signal at all.