Flashing device

Details Flashing device Flashing device

1992-02-06

1993-03-16

Perkey, W. B.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Plural load device systems

3541271, 315241P, G03B 1505, H05B 4132

Patent

active

051948893

ABSTRACT:
A flashing device for emitting light to an object, which has a light emitting member and a condenser that is charged to supply electricity to the light emitting member. The light emitting member is turned OFF when the light amount emitted to the object reaches a predetermined value. A residual voltage of the condenser after the light emitting member emits light is detected. A charging prohibit period is then determined in accordance with the detected residual voltage of the condenser, and the charging of the condenser is prohibited for the charging prohibit period after the light emitting member emits light.

REFERENCES:
patent: 5016038 (1991-05-01), Kobayashi et al.
patent: 5034662 (1991-07-01), Nishida et al.

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