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:
Jan. 05, 1988
Filed:
Jan. 29, 1986
Applicant:
Inventor:
David A Hotvet, Savage, MN (US);
Assignee:
Telex Communications, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03G / ; H04R / ;
U.S. Cl.
CPC ...
381 684 ; 381 68 ; 381106 ; 381107 ; 381 71 ;
Abstract
A hearing aid having signal compression characteristics that adapt to the environment of the sound field in which it is operative in which an automatic gain control signal processor is responsive to the magnitude, duration and frequency of the signals in a sound field to control a compression amplifier so that the gain thereof is proportional to said signals.