Photography mode input systems
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United States of America Patent
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-
Feb 2, 1993
Grant Date -
N/A
app pub date -
Apr 19, 1991
filing date -
Apr 19, 1990
priority date (Note) -
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status (Latency Note)
Importance
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.
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