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.

Date of Patent:
Nov. 17, 2015

Filed:

May. 25, 2011
Applicants:

Hao Zhou, Shanghai, CN;

Yonghua Song, Cupertino, CA (US);

Tao Shui, San Jose, CA (US);

Jie Jiang, Shanghai, CN;

Inventors:

Hao Zhou, Shanghai, CN;

Yonghua Song, Cupertino, CA (US);

Tao Shui, San Jose, CA (US);

Jie Jiang, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0054 (2013.01);
Abstract

In one embodiment, an apparatus includes a first supply voltage and a second supply voltage. Level shifter circuitry is configured as a first voltage battery to shift a first voltage and a second voltage battery to shift a second voltage. A first circuit receives the shifted first voltage and sets a third voltage, and receives the shifted second voltage and sets a fourth voltage. The shifted first voltage is greater than the first supply voltage and the shifted second voltage level is less than the second supply voltage. A second circuit sets a fifth voltage and a sixth voltage. The fifth voltage follows the third voltage and the sixth voltage following the fourth voltage.


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