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. 15, 2006
Filed:
Dec. 03, 1999
Applicants:
Tatsuzo Hasegawa, Saitama, JP;
Haruyuki Inohana, Saitama, JP;
Akio Ozawa, Saitama, JP;
Inventors:
Assignee:
Pioneer Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A BTL amplifying apparatus has two power amplifiers in an BTL configuration for amplifying a speaker. It includes detection means for detecting a differential voltage between outputs from the two power amplifiers while an input signal to be supplied to the power amplifiers is muted, and decision means for deciding whether or not the differential voltage is larger than a prescribed voltage. Such a configuration prevent the speaker from being damaged.
Hasegawa, Tatsuzo. (2006). Btl amplifier apparatus (U.S. Patent No. 7092533). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7092533
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile