Stabilized optical sighting system

Details Stabilized optical sighting system Stabilized optical sighting system

1996-09-19

1999-02-02

Nguyen, Thong

Optical: systems and elements

Image stabilization

By movable reflective structure

359554, 359876, G02B 2764, G02B 7182

Patent

active

058673172

ABSTRACT:
The sighting system has a sight including an aiming mirror (16) which is steered about a circular axis that is fixed relative to a support secured to a carrier, and about an elevation axis (18) under the control of motors (15, 22) to bring the direction of light which is received along a reference sighting line in a geographical frame of reference (x, y, z) to the direction of the circular axis, and measurement device for measuring the real angles imparted to the aiming mirror (16) about circular and lateral axes by the motors. A gyro unit continuously delivers angles for converting the reference frame of reference (x, y, z) to a frame of reference tied to the support (x1, y1, z1). A computer and servo-control unit controls the motors (15, 22) on the basis of information received from the gyro unit (60) and from the measurement device. This unit is designed to compute and transmit to a user device the real position of the sighting line on the basis of information supplied by the measurement device and on the basis of stored parameters modelling at least the optical and mechanical defects of the sight.

REFERENCES:
patent: 4393597 (1983-07-01), Picard et al.
patent: 4491397 (1985-01-01), Barthelat et al.
patent: 4881800 (1989-11-01), Fuchs et al.
patent: 4883347 (1989-11-01), Fritzel
patent: 4973144 (1990-11-01), Malige
patent: 5203220 (1993-04-01), Lerman

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