Electronic flash apparatus with inhibition of contact bounce fal

Details Electronic flash apparatus with inhibition of contact bounce fal Electronic flash apparatus with inhibition of contact bounce fal

1975-05-27

1976-08-10

La Roche, Eugene

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

307252K, 315151, 354145, H05B 4132

Patent

active

039744191

ABSTRACT:
False triggering of the flash termination switch in a series termination electronic flash unit as a result of contact bounce is eliminated. Gating means inhibits the contacts from triggering the flash termination switch unless a voltage at a selected point in the circuit has attained a predetermined value. False triggering of the flash ignition as a result of noise present on the synchronization switch line is also inhibited.

REFERENCES:
patent: 3809954 (1974-05-01), Engelstatter
patent: 3814985 (1974-06-01), Pecher et al.

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