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:
Jul. 29, 1980
Filed:
Oct. 05, 1978
Applicant:
Inventors:
Tadahiro Yamaguchi, Tokorozawa, JP;
Koki Aizawa, Tokorozawa, JP;
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03D / ;
U.S. Cl.
CPC ...
329 50 ; 179 / ; 329101 ; 329166 ; 329167 ; 329192 ;
Abstract
A stereo signal demodulation for obtaining left and right channel signals from an input stereo signal. A differential amplifier is coupled to a constant current source and first and second multipliers are coupled to the differential amplifier. A dividing circuit is coupled to the amplifier and the resulting channel signals are obtained in full wave rectified form.