Camera apparatus for preventing vertical flash exposures with fl

Details Camera apparatus for preventing vertical flash exposures with fl Camera apparatus for preventing vertical flash exposures with fl

1986-01-13

1987-05-26

Griffin, Donald A.

G03B 1503

Patent

active

046680640

ABSTRACT:
A photographic camera having a built-in flash unit is improved by providing integral apparatus which prevents operation of the flash unit in the event the camera is oriented vertically with the flash unit below the taking lens. This is done to prevent the subject being photographed from taking on an unnatural upward shadow as a result of flash illumination of the subject with the flash unit below the taking lens. Preferably, the apparatus prevents operation of the flash unit by disabling a shutter release, and includes an indicator visible in a viewfinder window to alert the user that the camera is improperly oriented for taking a vertical flash exposure.

REFERENCES:
patent: 2996966 (1961-08-01), Edgerton
patent: 3120791 (1964-02-01), Bundschuh et al.
patent: 3169708 (1965-02-01), D'Incerti
patent: 3810227 (1974-05-01), Tanaka
patent: 4135797 (1979-01-01), Ohmura
patent: 4239360 (1980-12-01), Urano
patent: 4322148 (1982-03-01), Yoshikawa
patent: 4464031 (1984-08-01), Iwashita

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