Invention Grant
- Patent Title: Circuit for checking the voltage of batteries
- Patent Title (中): 用于检查电池电压的电路
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Application No.: US13093871Application Date: 2011-04-26
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Publication No.: US08456321B2Publication Date: 2013-06-04
- Inventor: Yong-Zhao Huang
- Applicant: Yong-Zhao Huang
- Applicant Address: CN Shenzhen TW New Taipei
- Assignee: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.,Hon Hai Precision Industry Co., Ltd.
- Current Assignee: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.,Hon Hai Precision Industry Co., Ltd.
- Current Assignee Address: CN Shenzhen TW New Taipei
- Agency: Altis Law Group, Inc.
- Priority: CN201110073008 20110325
- Main IPC: G01N27/416
- IPC: G01N27/416 ; G08B5/36 ; G10K9/12
Abstract:
A circuit is for checking the voltage of a battery. The circuit includes a regulator component, a pnp type transistor, an npn transistor, a diode, and an alarm. The circuit activates an alarm when the voltage of the battery is less than a preset value.
Public/Granted literature
- US20120242496A1 CIRCUIT FOR CHECKING THE VOLTAGE OF BATTERIES Public/Granted day:2012-09-27
Information query
