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:
Dec. 27, 2011
Filed:
Mar. 25, 2009
Han-che Wang, Taipei Hsien, TW;
Shin-hong Chung, Taipei Hsien, TW;
Xin Zhao, Shenzhen, CN;
Hong-sheng Ouyang, Shenzhen, CN;
Ruey-shyang You, Taipei Hsien, TW;
Kuan-hong Hsieh, Taipei Hsien, TW;
Han-Che Wang, Taipei Hsien, TW;
Shin-Hong Chung, Taipei Hsien, TW;
Xin Zhao, Shenzhen, CN;
Hong-Sheng Ouyang, Shenzhen, CN;
Ruey-Shyang You, Taipei Hsien, TW;
Kuan-Hong Hsieh, Taipei Hsien, TW;
Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Shenzhen, Guangdong Province, CN;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;
Abstract
The present invention provides a charging control circuit for a rechargeable battery. The charging control circuit includes: a constant-current charging unit and a trickle charging unit. The charging control circuit further includes a branch switch, a detection switch, a control unit, and a detection unit. The branch switch is connected between a power source and the rechargeable battery for enabling or disabling the constant-current charging unit, the detection switch is turned on or off depending on the enable or disable state of the constant-current charging unit. The control unit is connected between the detection switch and the branch switch for controlling the branch switch to turn on or off depending on the off or on state of the detection switch.