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:
Jun. 04, 2013

Filed:

Dec. 30, 2010
Applicants:

Qi-yan Luo, Shenzhen, CN;

Song-lin Tong, Shenzhen, CN;

Peng Chen, Shenzhen, CN;

Yun Bai, Shenzhen, CN;

Inventors:

Qi-Yan Luo, Shenzhen, CN;

Song-Lin Tong, Shenzhen, CN;

Peng Chen, Shenzhen, CN;

Yun Bai, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A measurement circuit includes a switch unit with a number of keys selectively pressed to output different resistance regulating signals. A resistance setting circuit receives the resistance regulating signals and connects different resistances to a voltage circuit and a current circuit. The voltage circuit outputs different voltages. The current voltage receives a voltage from the voltage circuit and outputs a current to a capacitor. A detecting circuit measures a temperature of the capacitor and outputs the temperature to the resistance setting circuit. The resistance setting circuit compares the received temperature with a preset temperature. If the received temperature is equal to or greater than the preset temperature, the resistance setting circuit outputs short-circuit information of the capacitor. If the received temperature is less than the preset temperature, the resistance setting circuit outputs normal information of the capacitor. A display unit displays the information of the capacitor.


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