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:
Mar. 28, 1978
Filed:
Nov. 03, 1976
Applicant:
Inventor:
Michael Anthony Gerzon, Oxford, EN;
Assignee:
National Research Development Corporation, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
179 / ; 1791 / ;
Abstract
In a sound reproduction system, the phasiness of the psychoacoustically most important signals is minimized by subtracting from the velocity signal components of the most important signals a directional bias signal comprising a fraction of the pressure signal phase shifted by 90.degree..