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:
Sep. 22, 2015
Filed:
Mar. 15, 2013
Rohm Co., Ltd., Kyoto, JP;
Mitsuteru Sakai, Kyoto, JP;
ROHM CO., LTD., , JP;
Abstract
An audio signal processing circuit includes a first amplifier to generate a first analog audio signal; a second amplifier to generate a second analog audio signal; an analog/digital converter to generate a first digital audio signal; a digital signal processing unit to output a second digital audio signal; a digital/analog converter to generate differential third analog audio signals; a third amplifier for inverting a positive signal of the third analog audio signals and adding it to a negative signal to generate a single-ended fourth analog audio signal; and a fourth amplifier to generate an output audio signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile