Camera with built-in photoflash unit

Details Camera with built-in photoflash unit Camera with built-in photoflash unit

1995-09-06

1996-12-03

Gellner, Michael L.

Photography

With object illumination for exposure

Having flash built into camera

396201, G03B 1502

Patent

active

055813151

ABSTRACT:
A camera with a built-in photoflash unit comprises a camera body; a photoflash unit; a detection electrode for detecting a capacitance added thereto and detecting an induced voltage generated therein by flashing of the photoflash unit; control means for detecting a change in the capacitance or the induced voltage caused in the detection electrode; and display means for informing that the window is blocked or that the photoflash unit flashed. The camera has both functions to inform that a photographer's finger is blocking the window of the photoflash unit and to inform that the photoflash unit normally operated to flash.

REFERENCES:
patent: 5210560 (1996-05-01), Labaziewicz

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