Battery charging apparauts
Patent 5387857 Issued on February 7, 1995. Estimated Expiration Date: 
February 7, 2012. 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.
February 7, 2012. 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 3280397 3305754 3440514 3928791 Charging system and method for multicell storage batteries System and method for charging electrochemical cells in series Circuit for protecting storage cells Arrangement and method for operating an electrochemical storage device Battery charger with three different charging rates InventorsAssigneeApplicationNo. 832352 filed on 02/07/1992US Classes:320/120, Having variable number of cells or batteries in series320/162With detection of current or voltage amplitudeExaminersPrimary: Dougherty, Thomas M.International ClassH02J 007/00Foreign Application Priority Data1991-02-08 JPAbstractA battery charging apparatus for charging a battery which includes a plurality of battery cells connected to each other in series. The battery charging apparatus supplies an electric charge to the battery which is controlled by monitoring the terminal voltage of each of the battery cells. In the alternative, the battery cells may be divided into battery-cell groups. Each group consists of two or more of the battery cells. The electric charge supplied to the battery is controlled by monitoring the terminal voltage of each of the battery-cell groups. The supply of electric charge is terminated upon monitoring a predetermined voltage in the battery cells.Other References
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