1989-10-04
1990-11-27
Hix, L. T.
354442, 354441, 3542891, C03B 700, G03B 708
Patent
active
049740113
ABSTRACT:
A camera system including interchangeable lenses each having a switch to control many functions provided to the camera system. By simply operating one lens switch, the working mode of auto-focusing (AF) functions of the camera system can be changed: single-spot AF/multi-spot AF modes, one-shot AF/continuous AF modes, and focus-locking
on-locking modes. When used with an IC card also attached to the camera body, the lens switch can further control the functions of the camera system added or selected by the IC card.
REFERENCES:
patent: 4837596 (1989-06-01), Kawamura
patent: 4855779 (1989-08-01), Ishikawa et al.
"Canon EOS 620.650", by Canon, Inc., 1987, pp. 42 and 43.
Azuma Yoshihiko
Hamada Masataka
Ishikawa Norio
Ishimura Toshihiko
Katoh Takehiro
Hix L. T,.
Minolta Camera Kabushiki Kaisha
Spyrou Cassandra C.
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