Photography – Having operator controlled data entry into camera – Manual data entry using peripheral device
Patent
1994-12-19
1997-04-29
Metjahic, Safet
Photography
Having operator controlled data entry into camera
Manual data entry using peripheral device
396429, G03B 2900
Patent
active
056254296
ABSTRACT:
A camera communicates with an external device using light signals that are transmitted using one or more photoelectric elements. Preferably, the communications are facilitated by using one or more camera photoelectric elements located in a cartridge chamber of the camera, which usually is used to receive a film cartridge. The one or more camera photoelectric elements usually are used to read a bar code on the film cartridge. In order to perform data communications with the external device, a dummy cartridge, which is linked to the external device, is placed in the cartridge chamber and includes one or more cartridge photoelectric elements that oppose the one or more camera photoelectric elements when placed in the cartridge chamber. Communications can take place in one or both directions between the camera and the external device.
REFERENCES:
patent: 4454414 (1984-06-01), Benton
patent: 4714332 (1987-12-01), Eguchi et al.
patent: 4887105 (1989-12-01), Ishikawa et al.
patent: 4945365 (1990-07-01), Fujino
patent: 5032854 (1991-07-01), Smart et al.
Hibino Hideo
Kazami Kazuyuki
Yamazaki Youichi
Yokonuma Norikazu
Han J. K.
Metjahic Safet
Nikon Corporation
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