Societe De Fabrication D'instruments De Mesure (s.f.i.m.)

Societe De Fabrication D'instruments De Mesure

Jean-Marie Vauchy

Dominique De Ponteves

Patrick Michon

The arrangement is of the type comprising: an optical sight (200) combined with an afocal opto-electronic unit (300). According to the invention the opto-electronic unit is located in front of the entry window (210) of the optical sight and the light rays emitted by a reticle (250) are guided from the optical sight (ABC) thus passing through its entry window (210), then towards the exit window (320) of the opto-electronic unit (CDEFG) in order to make the rays emitted by the reticle follow the same optical path (GHIJ) as the rays emitted by the object to be observed (400). The angular deviations produced by the addition of the opto-electronic unit are thus compensated for. In order to measure the magnification produced by this addition, the reticle (251,251') is split by a known value (1) the distance (1') between the images of this split reticle is then measured by a row of diodes (280), (FIG. 2).

Sighting and aiming arrangement for use during day or night

The invention relates to the aiming of an optical illuminator on a target. The direction in which is seen the maximum light of the illuminator reflected by the target is detected, the angle formed by this direction and the direction of sight is measured and the result of this measurement is employed for controlling an orientation of the optical axis of the illuminator or of the optical axis of the sighting system, with the result that the direction in which is seen this maximum coincides with the optical axis of the sighting system. The invention is particularly applied to the sending of a moving body, provided with an optical, self-directing system, onto a target.

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St-Cloud, France

Jean-Marie Vauchy