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:
Mar. 25, 2008
Filed:
Mar. 30, 2004
Constantin Bucur, Santa Clara, CA (US);
Vlad Popescu-stanesti, San Jose, CA (US);
Marian Niculae, San Jose, CA (US);
Daryl Nees, San Jose, CA (US);
Constantin Bucur, Santa Clara, CA (US);
Vlad Popescu-Stanesti, San Jose, CA (US);
Marian Niculae, San Jose, CA (US);
Daryl Nees, San Jose, CA (US);
O2Micro International Limited, Georgetown Grandy Cayman, KY;
Abstract
A wake up circuit according to one embodiment includes a comparison circuit and an output decision circuit. The comparison circuit may be adapted to receive a first signal representative of a charging current level provided to a battery via a path and a second signal representative of a predetermined wake up current level and to provide a comparison output signal in response to the first and second signal. The output decision circuit may be adapted to receive at least the comparison output signal and a selector signal from a selector circuit, the output decision circuit providing one of the comparison output signal and the selector signal to a switch to control a state of the switch, the switch coupled to the path.