CMOS-analog IC for controlling camera and camera system using th

Details CMOS-analog IC for controlling camera and camera system using th CMOS-analog IC for controlling camera and camera system using th

1994-03-16

1996-09-17

Gellner, Michael L.

354425, 354426, 354427, 354428, G03B 1336, G01J 120

Patent

active

055573630

ABSTRACT:
In a camera controller using a CMOS-analog IC, a microcomputer, logarithmic compression type distance measuring and photometric circuits, each constituted by a CMOS device having a parasitic bipolar transistor having a p- or n-type well as a base and an n.sup.+ -type layer in the p-type well or p.sup.+ -type layer in the n-type well as an emitter, and the like are arranged on the same chip.

REFERENCES:
patent: 4792749 (1988-12-01), Kitagawa et al.
patent: 5148211 (1992-09-01), Kotami et al.
patent: 5185517 (1993-02-01), Inamori et al.
patent: 5260592 (1993-11-01), Mead et al.
patent: 5324958 (1994-06-01), Mead et al.
patent: 5384548 (1995-01-01), Sakurai et al.
"Shasin Kogyo", Camera Test, 1988, vol. 46; No. 5, pp. 80-88.

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