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:
Apr. 30, 1985
Filed:
Feb. 17, 1983
Alvin R Balaban, Lebanon, NJ (US);
Steven A Steckler, Clark, NJ (US);
RCA Corporation, Princeton, NJ (US);
Abstract
In a television (TV) receiver having digital signal processing in which the video and sound signals are separated in the analog processing circuitry, one analog-to-digital converter (ADC) serves both the video and sound signal paths. The analog video and sound signals are multiplexed into the ADC and are demultiplexed out of the ADC to the digital video processor and to the digital sound processor at predetermined times during each horizontal TV line. In one arrangement, the sound signal conversions are periodically interleaved with the video signal conversions during the horizontal lines. In another arrangement, the sound signal is sampled and stored at normal rate over a horizontal TV line, then converted by the ADC and digitally stored at a higher-than-normal rate during the horizontal blanking interval, and then supplied to the digital sound processor periodically at the normal rate.