Method and apparatus for controlling operation of camera

Details Method and apparatus for controlling operation of camera Method and apparatus for controlling operation of camera

1986-03-20

1987-08-04

Adams, Russell E.

354412, G03B 300, G03B 700

Patent

active

046842322

ABSTRACT:
A method and apparatus for controlling an operation of a camera is so structured that when a first process for performing a pre-focusing process and the like and a third process for performing light-metering process, exposure control process and the like after auto-focus control are executed under the program control of a microcomputer, and a second process for performing the auto-focus control is executed between the first and third processes, the operation of the microcomputer is interrupted by cutting off power supply thereto or applying an operation stop signal to a reset terminal thereof after the first process, and the second process is then executed. After second process is completed, the microcomputer is restarted and, after it discriminates the completion of the second process, the third process is executed. In this way, since the first and third processes based on the program control are executed in a time-serial manner, they are no longer adversely influenced by the second process. Furthermore, when the microcomputer is restarted, the third process is executed after it discriminates the completion of the second process. Therefore, even if the program control is interrupted, the computer program control sequence can be executed.

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patent: 4492450 (1985-01-01), Watanabe et al.
patent: 4547056 (1985-10-01), Baumeister
patent: 4607931 (1986-08-01), Aihara

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