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:
Aug. 30, 1994
Filed:
Nov. 06, 1992
Applicant:
Inventor:
Yoshiro Muraoka, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04S / ;
U.S. Cl.
CPC ...
381-1 ; 381 28 ;
Abstract
A vocal sound can be erased by a simple arrangement. An audio reproducing apparatus in which a sum signal and a difference signal of left and right signals of a stereophonic signal are supplied thereto, a left signal and a right signal are obtained from the sum signal and the difference signal and the left signal and the right signal are respectively supplied to a left signal output terminal and a right signal output terminal includes switches (SW.sub.1 to SW.sub.4) for supplying the difference signal to the left and right signal output terminals (T.sub.L, T.sub.R) by switching the left and right signals.