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:
Dec. 03, 2013
Filed:
May. 12, 2011
Ren-wen Huang, Shenzhen, CN;
Jun-wei Zhang, Shenzhen, CN;
Jun Zhang, Shenzhen, CN;
Lin-kun Ding, Shenzhen, CN;
Tsung-jen Chuang, Tu-Cheng, TW;
Ren-Wen Huang, Shenzhen, CN;
Jun-Wei Zhang, Shenzhen, CN;
Jun Zhang, Shenzhen, CN;
Lin-Kun Ding, Shenzhen, CN;
Tsung-Jen Chuang, Tu-Cheng, TW;
Fu Tai Hua Industry (Shenzhen) Co., Ltd., Shenzhen, CN;
Hon Hai Precision Industry Co., Ltd., New Taipei, TW;
Abstract
The present disclosure provides an audio signal amplifying circuit for an electronic device including a processing chip and a speaker. The audio signal amplifying circuit includes an amplifying circuit and an inverting circuit connected to the processing chip to get a first control signal and invert the first control signal to generate a second control signal. The first control signal and/or the second control signal are used to control the operation mode of the amplifying circuit to be in an amplifying mode or in a non-amplifying mode.