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:
Oct. 07, 1997
Filed:
Dec. 28, 1993
Applicant:
Inventor:
J Carl Cooper, Sunnyvale, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
348461 ; 348466 ; 348461 ; 348473 ; 348476 ; 348484 ;
Abstract
The apparatus and method is shown for transmitting one or more audio frequency signals on a television video signal including an encoder comprised of a pulse modulator responsive to the audio frequency signals and a combiner to combine modulated pulses from the modulator with the video signal. Also shown is a decoder for use with video signals output from above encoding apparatus and method for decoding the modulated pulses to recover the audio frequency signals.
Cooper, J. (1997). Apparatus and method for transmitting audio signals as part of a (U.S. Patent No. 5675388). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5675388
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile