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:
Apr. 09, 2013

Filed:

Oct. 19, 2009
Applicant:

Jian Sun, Shenzhen, CN;

Inventor:

Jian Sun, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 5/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A charge indicator circuit for indicating an electronic device charged by an inputted charge electric potential includes an interface unit, a switch unit connected to the interface unit; a processor unit connected to the switch unit, and an indicator unit connected to the switch unit. The charge electric potential is inputted into the charge indicator circuit from the interface unit and powers the indicator unit to emit light when the processor unit is switched off, and the processor unit detects the charge status of the electronic device and controls the switch unit according to the detect results when the processor unit is switched on.


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