Time lapse programmer

Details Time lapse programmer Time lapse programmer

1983-03-30

1984-08-21

Gellner, Michael L.

G03B 1740

Patent

active

044667213

ABSTRACT:
A time lapse photography programmer is controlled by a microcomputer. A keyboard permits a user to enter exposure sequence, exposure duration, and exposure interval data. The time between each successive exposure (exposure interval) can be programmed to be unique for each expsoure sequence. Display means prompts a user to enter the exposure duration and interval data and displays the data entered by the user. For each exposure sequence, exposure interval data is loaded from a random access memory into a timer. After the timer has waited for a timer period defined by the exposure interval data, exposure duration data is loaded from the random access memory into the timer. A camera is then actuated to exposure film, in response to the timer, for the time period defined by the exposure duration data. At the end of each exposure, the process is repeated for each additional exposure sequence which has been programmed. An external trigger is provided to override the timer and effect an exposure immediately.

REFERENCES:
patent: 4329029 (1982-05-01), Haskell

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