1986-02-10
1987-09-08
Adams, Russell E.
354475, G03B 1718
Patent
active
046920145
ABSTRACT:
In a display device for a camera of the type having adjustable display brightness, photographic information to be displayed is repeatedly converted by an A-D operation which is performed by an A-D conversion circuit; the digitally converted information is displayed by a display device. Information concerning display brightness modulation required for the display is arranged to be converted by A-D operation by the A-D converter every time the photographic information to be displayed is converted by A-D operation a predetermined number of times. The display brightness is adjusted on the basis of the A-D converted value of the display brightness information.
REFERENCES:
patent: 4112440 (1978-09-01), Kanemara
patent: 4261659 (1981-04-01), Shinoda et al.
Adams Russell E.
Canon Kabushiki Kaisha
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