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. 16, 1991
Filed:
Oct. 03, 1989
Applicant:
Inventor:
Koichi Sadaie, Neyagawa, JP;
Assignee:
Onkyo Kabushiki Kaisha, Osaka, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03G / ;
U.S. Cl.
CPC ...
381 97 ; 381 86 ; 381 24 ;
Abstract
A stereophonic reproduction system which improves an unnatural sound image localization at an asymmetric position relative to right and left loudspeakers. Deterioration in tone quality incidental thereto is improved by filters providing right and left channels with selected phase characteristics.