Apparatus and method of providing an initiation voltage to a rec

Details Apparatus and method of providing an initiation voltage to a rec Apparatus and method of providing an initiation voltage to a rec

1994-12-16

1996-10-22

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 51, 320 39, 320 35, 429 49, H02J 704

Patent

active

055680399

ABSTRACT:
An undervoltage recovery pulse network (500) and method used with a lithium ion battery system (400) for providing a initiation voltage to a battery controller (503) which has been operationally disabled due to an event associated with the lithium ion battery system (400). The undervoltage recovery pulse network (500) includes a switch (523) for detecting a first voltage applied to a data terminal (537) by a charging system. A coupler (525) is used for supplying a second voltage from a charging terminal (535) to the battery controller (503) to enable the battery controller from its disabled state. The battery controller (503) then connects the voltage potential of a cell (501) to the charging terminal (535) for detection by a charging system. This allows the charging system to detect an attached battery so it may apply a charging voltage to charging terminal (535).

REFERENCES:
patent: 4595872 (1986-06-01), Ball
patent: 5304915 (1994-04-01), Sanpei et al.
patent: 5493197 (1996-02-01), Eguchi et al.
patent: 5518832 (1996-05-01), Fernandez et al.

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