Multichannel optical aiming and surveying method and apparatus h

Details Multichannel optical aiming and surveying method and apparatus h Multichannel optical aiming and surveying method and apparatus h

1990-06-21

1991-12-17

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

356152, G01J 120

Patent

active

050737040

ABSTRACT:
An optical sighting and aiming apparatus has a first channel having a disy unit provided with deviation measurement means; a second channel having a sighting member and a light deviator for angularly deviating the optical axis of the sighting member with respect to a reference direction harmonized with the center of the vision field of the display unit; and an aiming mirror inserted in a light path common to the two channels, at a location between the portions of the two channels which are separate and a multichannel collimator for adjusting the angular direction of both channels with respect to a scene being observed. The second or aiming channel further comprises a separator for separating a light beam from the multichannel collimator into a beam directed toward the sighting member and a beam directed toward a zeroing detector harmonized with the sighting member. A memory stores a correspondence table between coordinates of spots located in the field of the display unit, as provided by the deviation measuring means, and signals to be delivered to the deviator for aligning an axis of the sighting member with the respective spots. The correspondence is determined from signals delivered by the deviation measuring means, by encoding means operatively associated to the deviating means and by an output signal of the zeroing detector.

REFERENCES:
patent: 4173414 (1979-11-01), Vauchy et al.
patent: 4277169 (1981-07-01), Krieg
patent: 4975565 (1990-12-01), Schmidt et al.

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