Electronic flash and lens-fitted photographic film unit includin

Details Electronic flash and lens-fitted photographic film unit includin Electronic flash and lens-fitted photographic film unit includin

1988-06-06

1991-03-26

Brown, Brian W.

35414911, 354288, G03B 1503

Patent

active

050033301

ABSTRACT:
An electronic flash comprises a housing provided with a light flash projecting window and incorporating a flash lamp assembly with its associated control circuit including a capacitor therein and an external casing enclosing the housing. The casing has at least an opening or part defined by and torn off along a perforated line to form an opening for exposing the light flash projecting window. The electonic flash with or without the external casing can be attached to a disposable lens-fitted film unit with a simple exposure member. The external casing is provided with an opening or part defined by and torn off along a perforated line to form an opening, or a flexible part defined by an incised line, for allowing a charge switch to be depressed from outside the external casing so as to charge the capacitor.

REFERENCES:
patent: 3731586 (1973-05-01), Meazza
patent: 4001640 (1977-01-01), Biber
patent: 4077042 (1978-02-01), Imura et al.
patent: 4279488 (1981-07-01), Hines
patent: 4406533 (1983-09-01), Yamamoto
patent: 4766451 (1988-08-01), Fujimura et al.
patent: 4801957 (1989-01-01), Vandemoere

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