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:
Jun. 07, 2005
Filed:
Aug. 03, 2001
Applicant:
Remi Lereverend, San Diego, CA (US);
Inventor:
Remi LeReverend, San Diego, CA (US);
Assignee:
Zarlink Semiconductor (U.S.) Inc., San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R025/00 ;
U.S. Cl.
CPC ...
Abstract
Squeal in a hearing aid is inhibited by a circuit that monitors battery voltage. In response to sensed low battery voltage, a cutoff circuit disables the hearing aid audio amplifier. Also in response to low battery voltage, a crowbar circuit loads the hearing aid battery with a loading circuit element.