Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1996-12-02
1998-01-20
Tso, Edward
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 13, 320 30, H01M 1046
Patent
active
057105057
ABSTRACT:
A battery (302) provides both charging and discharging capability with a minimal number of terminals (304, 318, 306). A triac (310) is included within the charge path of the battery (302) to provide both discharge and charge capability. Charging system (300) provides charging and discharging control (332) so that current can be either charged to or drained from the battery (302) through the triac (310). Battery temperature and battery capacity are monitored through a single battery characteristic indicator terminal (318) which also serves as the bias for turning on the triac (310).
REFERENCES:
patent: 4333138 (1982-06-01), Huber
patent: 4774449 (1988-09-01), Elkins
patent: 5006780 (1991-04-01), Tamura et al.
patent: 5095260 (1992-03-01), Whiting
patent: 5410238 (1995-04-01), Ishizuka et al.
patent: 5471128 (1995-11-01), Patino et al.
patent: 5576610 (1996-11-01), Patino et al.
"Triacs, Silicon Bidriectional Triod Thyristors," Motorola Thyristor Device Data, Motorola, Inc., DL137/D, Rev. 4, pp. 3-63 thorugh 3-66, No Date.
Doutre Barbara R.
Motorola Inc.
Tso Edward
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