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:
Feb. 11, 2014
Filed:
Dec. 29, 2011
Koichi Sakai, New Taipei, TW;
Koichi Sakai, New Taipei, TW;
Princeton Technology Corporation, New Taipei, TW;
Abstract
A current generating circuit for providing a plurality of load current is provided. The current generating circuit includes: a plurality of operational amplifier, coupled to a reference voltage source, wherein each positive input end of the a plurality of operational amplifier receives the reference voltage source; a plurality of semiconductor switch, used for controlling the output of a plurality of load current, wherein each semiconductor switch is respectively coupled to a corresponding operational amplifier and a load, and the semiconductor switch operates according to signals outputted from the output end of the corresponding operational amplifier to output the corresponding load current; and a control unit, coupled to a plurality of operational amplifier, for outputting a control signal to control the operation of a plurality of operational amplifier.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile