Detecting device for detecting battery outlet voltage

Details Detecting device for detecting battery outlet voltage Detecting device for detecting battery outlet voltage

1975-12-19

1977-05-17

Heyman, John S.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307247A, 307304, 307251, 320 48, 340249, 58152H, 58 23BA, H03K 1318, G04C 500

Patent

active

040244156

ABSTRACT:
A detecting device for detecting battery output voltage comprises a voltage detector having at least a pair of MOS transistors connected in series such that at least one of said MOS transistors shifts to its conductive state when the battery output voltage falls below a predetermined value to provide one type logic level signal and remains non-conductive when the battery output voltage is above the predetermined value to provide the other type logic signal.
A switching circuit comprised of a complementary MOS inverter receives the output logic signal derived from the voltage detector and switches states in response to the two logic signals to accordingly control the energization of a display element in dependence upon the battery output voltage.

REFERENCES:
patent: 3038110 (1962-06-01), Paist
patent: 3604952 (1971-09-01), Regitz
patent: 3702943 (1972-11-01), Heuner et al.
patent: 3862441 (1975-01-01), Nabetani et al.
patent: 3877001 (1975-04-01), Bogut et al.
patent: 3928846 (1975-12-01), Arai et al.

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