Operation mode display device for picture taking devices

Details Operation mode display device for picture taking devices Operation mode display device for picture taking devices

1984-08-16

1985-07-16

Adams, Russell E.

354474, G03B 708

Patent

active

045292906

ABSTRACT:
An operation mode display device is provided for a picture taking device such as a camera which controls exposure in a plurality of modes such as a programmed automatic exposure control mode, a diaphragm priority automatic shutter speed control mode, a shutter speed priority automatic diaphragm control mode and a manual exposure control mode. A plurality of display devices are individually operable for displaying a letter for each display means and arranged in a single line to display the letters P, R, O, G, R, A, M and S in order of mention. When the programmed automatic control mode, which is the most frequently used mode in practice, has been selected, all or almost all of the display devices are driven to display the letters "PROGRAMS" or "PROGRAM". When another mode, e.g., the diaphragm priority automatic shutter speed control mode has been selected, one of the display devices is driven to display a single letter "A". Similarly, the letter "S" is displayed when the shutter speed priority automatic diaphragm control mode is selected, and the letter "M" is displayed when the manual exposure control mode is selected. The invention is also applicable to a display of a single and continuous photographic operation of a motor driven camera. In this case, "CONTINUOUS" may be displayed with full letters.

REFERENCES:
patent: 4173401 (1979-11-01), Harvey
patent: 4304472 (1981-12-01), Shinoda et al.
patent: 4461560 (1984-07-01), Yoshino et al.

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