photoflash unit

photoflash unit

[′fōd·ə‚flash ‚yü·nət]
(electronics)
A portable electronic light source for photographic use, consisting of a capacitor-discharge power source, a flash tube, a battery for charging the capacitor, and sometimes also a high-voltage pulse generator to trigger the flash.
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The batteries are capable of powering consumer devices that have traditionally utilized single use cells, such as toys, portable cassette and CD players, radios, games, photoflash units, calculators, lights, etc.