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. 27, 2016
Filed:
May. 19, 2016
Stmicroelectronics (Shenzhen) R&d Co., Ltd., Shenzhen, CN;
Stmicroelectronics S.r.l, Agrate Brianza, IT;
XiangSheng Li, Shenzhen, CN;
Cristiano Meroni, Milan, IT;
Mei Yang, Shenzhen, CN;
Xian Feng Xiong, Shenzhen, CN;
STMicroelectronics (Shenzhen) R&D Co., Ltd., Shenzhen, CN;
STMicroelectronics S.r.l., Agrate Brianza, IT;
Abstract
A digital circuit can be used in a speaker system. An intermediate node provides a speaker protection control signal. A first latch for receives an offset control signal. A first logic gate receives a play control signal, the offset control signal, and the speaker protection control signal. A second logic gate is coupled to the first latch for receiving the play control signal and the speaker protection control signal. A second latch is coupled to the first logic gate for providing a forced mute signal. A third latch is coupled to the second logic gate and to the intermediate node.