Electric lamp and discharge devices: systems – Surge generator or inductance in the supply circuit – Circuit interrupter in the inductance circuit
Patent
1979-07-20
1981-01-20
LaRoche, Eugene R.
Electric lamp and discharge devices: systems
Surge generator or inductance in the supply circuit
Circuit interrupter in the inductance circuit
315200A, 315209R, 315219, 315276, H05B 4132
Patent
active
042465150
ABSTRACT:
A battery-powered electronic strobe flash apparatus has a flashtube, which produces radiation in proportion to the energy delivered to it. A transformer has a primary winding, connectable to the battery, for storing energy in the transformer and a secondary winding, connected to the flashtube, for delivering the stored energy to the flashtube when the primary winding is disconnected from the battery. An actuatable switch has a first condition for connecting the battery to the primary winding to saturate the transformer, and a second condition for disconnecting the battery from the primary winding, thereby causing a substantially constant amount of energy to be delivered to the flashtube, whereby a substantially constant amount of flashtube radiation is produced each time the switch is actuated.
REFERENCES:
patent: 2071370 (1937-02-01), Williams et al.
patent: 2531220 (1950-11-01), Kaplan
patent: 3243654 (1966-03-01), Wright
Eastman Kodak Company
LaRoche Eugene R.
Monteith D. P.
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