Electronic photoflash

Details Electronic photoflash Electronic photoflash

1977-11-01

1978-12-19

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

315362, 320 1, 354145, H05B 4132

Patent

active

041307801

ABSTRACT:
A battery operated, capacitor discharge type electronic, photoflash system having an electro-mechanical switching means for automatically disconnecting the battery to minimize unnecessary discharge of the battery. The system causes the battery to be disconnected at a predetermined time interval after a charge cycle has been started for a discharged main capacitor or after the main capacitor has been fully charged for a predetermined period of time.

REFERENCES:
patent: 3764849 (1973-10-01), Ohta
patent: 4001640 (1977-01-01), Biber
patent: 4023068 (1977-05-01), Harvey

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