Exposure control unit for a motor-driven shutter

Details Exposure control unit for a motor-driven shutter Exposure control unit for a motor-driven shutter

1990-07-09

1991-12-03

Perkey, W. B.

354429, 354435, 3542671, G03B 700

Patent

active

050703544

ABSTRACT:
An exposure control unit for controlling a motor-driven shutter includes an arrangement for interpolating, with linear approximation, between values in an exposure data table, in order to enable finer adjustment of the shutter without increasing the amount of stored table data.

REFERENCES:
patent: 4648701 (1987-03-01), Ogihara et al.
"Algebra and Trigonometry with Applications", Worth Publishers Inc., N.Y., 1982, pp. 551-552, 556-557.

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