Instantaneous voltage drop detector

Details Instantaneous voltage drop detector Instantaneous voltage drop detector

1988-02-22

1990-03-27

Orsino, Joseph A.

Telecommunications

Transmitter

With electrical protection of transmitter circuit or operator

455127, 455343, H01Q 1112

Patent

active

049127748

ABSTRACT:
An instantaneous voltage drop detector that comprises a power supply for a utilization circuit such as a mobile telephone. A first detector detects a drop in an output voltage of the power supply that falls below a first predetermined level. A second detector determines whether the first detection signal continues for more than a predetermined time. A control circuit responds to the first and second detection signals for controlling the utilization circuit.

REFERENCES:
patent: 4761824 (1988-08-01), Saito
patent: 4766580 (1988-08-01), Go et al.

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