Directional sight for instruments

Details Directional sight for instruments Directional sight for instruments

1997-01-08

1998-07-21

Henry, Jon W.

Optical: systems and elements

Holographic system or element

359 13, 359 15, 359631, 356142, 356143, 356147, 356399, 33265, G02B 532, G01C 106, G01B 1100, F41G 1467

Patent

active

057841829

ABSTRACT:
The sight comprises a support adapted for mounting onto an instrument to be aimed at a target, an optical device mounted onto the support for creating an image including a first sighting mark at a first finite distance with respect to the optical device, and a device mounted on to the support for providing a second sighting mark at a finite distance with respect to the first sighting mark. The instrument is aimed at the target by aligning the sighting marks. Since at least the first sighting mark is an image, its position can be chosen to improve the accuracy of aiming by alignment of the marks without having to physically accommodate the first mark.

REFERENCES:
patent: 4142297 (1979-03-01), Altier
patent: 4669194 (1987-06-01), Amacker
patent: 4733474 (1988-03-01), Cary
patent: 4761888 (1988-08-01), Kudlacek
patent: 4796364 (1989-01-01), Amacker

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