Photography mode input systems

Details Photography mode input systems Photography mode input systems

1991-04-19

1993-02-02

Adams, Russell E.

354443, 354486, G03B 700

Patent

active

051841690

ABSTRACT:
A photography mode input system for inputting any selected one of a plurality of predetermined optional photography modes into a camera having a microcomputer for controlling exposure. The system comprises a series of cards each having a different signal element pattern such as a notch pattern each respectively corresponding to an optional photography mode, and a switch array for detecting the signal element pattern. The switch array is disposed in a slot formed in a holder on the camera, and is connected to the microcomputer. The card is made of opaque plastic material or paper. The switch array comprises a series of switches each outputting a binary signal depending on whether each switch detects a notch, and the binary signals from the switches are read out as a binary code, on the basis of which the corresponding optional photography mode is set in the camera.

REFERENCES:
patent: 4286849 (1981-09-01), Uchidoi et al.
patent: 5040016 (1991-08-01), Ishikawa et al.

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