Flash light discharge device

Details Flash light discharge device Flash light discharge device

1979-07-02

1981-06-02

La Roche, Eugene

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

315135, H05B 4132

Patent

active

042713757

ABSTRACT:
In a flash light discharge device including a strobo tube attached to a camera body, both the positive and negative outputs of a blocking oscillator are made use of. One output is used for charging a main capacitor for making the strobo tube discharged, and the other output is used for energizing an indicator or indicators. Both the outputs may be used for charging the main capacitor to accelerate the charging of the capacitor. The indicator energized by the output of the blocking oscillator while the main capacitor is charged may be an indicator which indicates by intermittent lighting that the main capacitor is being charged.

REFERENCES:
patent: 3526821 (1970-09-01), Thomas
patent: 3764849 (1973-10-01), Ohta
patent: 3890538 (1975-06-01), Iwata et al.
patent: 3898514 (1975-08-01), Takahashi
patent: 4068150 (1978-01-01), Iwata et al.
patent: 4163178 (1979-07-01), Hosono

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