Over power supply voltage cut-off circuit

Details Over power supply voltage cut-off circuit Over power supply voltage cut-off circuit

1997-04-15

1999-08-31

Leja, Ronald W.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

361 912, H02H 700

Patent

active

059462701

ABSTRACT:
An over power supply voltage cut-off circuit includes: a power supply voltage supplying path switching part for switching a supplying path of the power supply voltage provided to the power consumption type of load from the power supply voltage generating part in accordance with a driving control signal; a voltage sensing part for sensing an abnormal voltage, in case where a level of the power supply voltage generated from the power supply voltage generating part is over a predetermined set voltage level; and a control signal converting part for converting the driving control signal supplied to the power supply voltage supplying path switching part from the voltage sensing part into a transmission cut-off control signal in accordance with a sensing signal outputted from the voltage sensing part.

REFERENCES:
patent: 4438473 (1984-03-01), Cawley et al.
patent: 4835649 (1989-05-01), Salerno
patent: 5485342 (1996-01-01), Sugino et al.
patent: 5625519 (1997-04-01), Atkins

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