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US 5,708,880 AGranted
CMOS-analog IC for controlling camera and camera system using the same
AssigneeOlympus Optical Co., Ltd.
InventorsKeiji Kunishige, Azuma Miyazawa
Life of this patent
Estimating the term…
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.
Claims14
A CMOS integrated circuit for controlling a camera having various elements, comprising:
- a one-chip microcomputer having a CMOS structure and a core portion for controlling the various elements in said camera;
- and
- an analog distance measuring circuit having a CMOS structure and arranged in said one-chip microcomputer,
- wherein the core portion of said one-chip microcomputer outputs a control signal to said analog distance measuring circuit.
1 more element
A CMOS integrated circuit for controlling a camera having various elements, comprising:
- a one-chip microcomputer having a CMOS structure and a core portion for controlling the various elements in said camera;
- and
- an analog photometric circuit having a MOS structure and arranged in said one-chip microcomputer,
- wherein the core portion of said one-chip microcomputer outputs a control signal to said analog photometric circuit.
1 more element
Dependencies are inferred from the claim text.