Power supply shutdown through loss of sync

Details Power supply shutdown through loss of sync Power supply shutdown through loss of sync

1989-08-31

1992-01-07

DeBoer, Todd E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

361 88, 358190, H02H 346

Patent

active

050796666

ABSTRACT:
A power supply for a video display device includes a protection circuitry which shutdown the power supply to prevent damage to the power supply or the display device. The protection circuitry monitors sync pulses generated in the video display device and disables the power supply switching transistor in the absence of the sync pulses. The protection circuitry is triggered in the event a fault occurs in the power supply or the video display device.

REFERENCES:
patent: 3588608 (1971-06-01), Halinski et al.

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