Control system for an objective of a camera

Details Control system for an objective of a camera Control system for an objective of a camera

1998-12-07

2000-11-14

Perkey, W. B.

Photography

Having wireless remote control circuit

396 87, 396 88, 396131, 396147, 396259, 396508, G03B 312, G03B 700, G03B 1330, G03B 1700

Patent

active

061481513

ABSTRACT:
A control system for an objective of the camera, in particular a film camera, includes one or several drive units for automatically positioning at least one lens ring, e.g., for adjusting the focus position, the opening of the iris diaphragm and/or the focal length. The drive units can be used to adjust the lens ring(s) to a predefined set position. A device coupled to each of the lens rings determines the actual position of the lens rings relative to the objective and converts this position into a measuring output signal.

REFERENCES:
patent: 5073790 (1991-12-01), Ogawa
patent: 5146071 (1992-09-01), Ookubo et al.
patent: 5371633 (1994-12-01), Kawamura et al.
patent: 5570177 (1996-10-01), Parker et al.

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