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:
Apr. 03, 2007
Filed:
Jun. 17, 2005
Jaifu Luo, Irvine, CA (US);
Rajagopal Sundararaman, Mission Viejo, CA (US);
Mehmet Ali Tan, Irvine, CA (US);
Jaifu Luo, Irvine, CA (US);
Rajagopal Sundararaman, Mission Viejo, CA (US);
Mehmet Ali Tan, Irvine, CA (US);
ESS Technology, Inc., Fremont, CA (US);
Abstract
Disclosed are a multi-stage amplifier circuit, a method of operating a multi-stage amplifier circuit, and a device with the multi-stage amplifier circuit. The amplifier circuit technology includes an operational amplifier shared among multiple stages and switching circuitry. The various switching circuitry switches among elements to provide different input signals and different feedback to the shared operational amplifier at the different stages of operation of the amplifier circuit. The various switching circuitry also stores and discharges charge at one or more operational amplifier inputs.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile