Last-flash indicator for photoflash array

Details Last-flash indicator for photoflash array Last-flash indicator for photoflash array

G - Physics

03

B

315/16, 240/77

G03B 15/04 (2006.01)

Patent

CA 1091205

ABSTRACT OF THE DISCLOSURE A multiple lamp photoflash array of the FlipFlash type having flash-sequencing circuitry for causing the lamps to flash one at a time in response to firing pulses applied to the array. A radiation switch associated with the last lamp to be flashed causes a short circuit across the array's electrical terminals when the last lamp is flashed and actuates a last-flash indicator in the camera.

281662

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