Electric circuit arrangement

Details Electric circuit arrangement Electric circuit arrangement

1986-09-25

1988-05-31

Moore, David K.

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

315241S, 315240, 315173, 354418, 328 66, H05B 4132

Patent

active

047483822

ABSTRACT:
An electric circuit arrangement for use in energising a flash tube (3) to provide a series of pairs of flashes, each pair consisting of a main flash and a rapidly following second flash, includes first and second capacitors (C9, C10) which are controlled to effect discharge of first only the first capacitor (C9) and then both the first and second capacitors (C9, C10) across the flash tube (3), cyclically, to provide the two flashes of each pair, in series. By varying the relative values of the first and second capacitors (C9, C10) the time interval between the flashes of each pair can be varied. All flashes produced can have the same peak intensity while the flashes in each pair can have different energy contents.

REFERENCES:
patent: 3286128 (1966-11-01), Ward
patent: 3846750 (1974-05-01), Kearsley
patent: 4255046 (1981-03-01), Corona
patent: 4258290 (1981-03-01), Nakajima
patent: 4369395 (1983-01-01), Stempeck
patent: 4396870 (1983-08-01), Ikeda
patent: 4467248 (1984-08-01), Watanabe et al.
patent: 4486691 (1984-12-01), Beggs

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