Rechargeable battery power supply overcharge protection circuit
July 14, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3237078 3393355 Circuit for protecting storage cells Charging regulator Zener diode looping element for protecting a battery cell Universal battery charger Apparatus for charging alkaline zinc-manganese dioxide cells Battery charging apparauts Storage capacitor power supply Multiple cell and serially connected rechargeable batteries and charging system Patent #: 5821733 InventorsAssigneeApplicationNo. 892449 filed on 07/14/1997US Classes:320/122, Bypassable battery cell320/162, With detection of current or voltage amplitude361/56Voltage responsiveExaminersPrimary: Wong, Peter S.Assistant: Toatley, Gregory J. Jr. Attorney, Agent or FirmInternational ClassesH02J 007/00H02H 009/00 AbstractA rechargeable power supply overcharge protection circuit is provided with shunt circuits that shunt current about a battery or battery cell (15, 16 and 17) of a string of battery cells when it is charged to a maximum charge limit. The shunt circuit includes shunt regulators (20) connected across each battery cell.Other References
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