Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1977-10-03
1979-04-03
Hickey, Robert J.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 48, 340636, H02J 700, G01N 2742
Patent
active
041479696
ABSTRACT:
A charging stand for a rechargeable battery pack having a receptacle for receiving a battery pack to be charged and/or tested and having indicator means for providing a visual indication of the condition of the battery pack. The charging stand is adapted to be connected to the output of a standard AC to DC converter and includes a circuitry for applying a charging current to the battery pack as well as sensing and indicating that charging is in progress and that the battery potential is low or fully charged. A manually operated switch is also provided to permit the testing of the condition of a battery pack. When the pack to be tested is inserted into the receptacle in the test stand and the switch is operated, a battery, which is partially discharged, will result in a "low" indication being given, but if fully charged, a "high" indication will result.
REFERENCES:
patent: 3209230 (1965-09-01), Mas
patent: 3579075 (1971-05-01), Floyd
patent: 3663939 (1972-05-01), Olsson
patent: 3696283 (1971-10-01), Ackley
patent: 3735232 (1973-05-01), Fister
patent: 3746961 (1973-07-01), Dobie
patent: 3890555 (1975-06-01), Nelson et al.
patent: 3974441 (1976-08-01), Van den Haak
patent: 4006396 (1977-02-01), Bogut
Electronic Design, vol. 19, Sep. 13, 1974, Moss, p. 176, "Voltage Monitor".
Arp Robert A.
Kaldun Mark R.
Miller Curtis H.
Haugen Orrin M.
Hickey Robert J.
Med General, Inc.
Nikolai Thomas J.
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