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Apparatus and method for detecting optical systems in a terrain

a technology of optical systems and apparatus, applied in the field of military weapons, can solve the problems of inconvenient apparatus, gunner must have fired at least one projectile, and the armed forces are increasingly challenged by hostile optical systems

Inactive Publication Date: 2008-10-23
CARL ZEISS OPTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0019]By using a laser unit it becomes possible to scan with low energy consumption the terrain area under examination with respect to the presence of optical systems, because in contrast to a one- or two-dimensional illumination there is only a point-shaped laser beam that must be guided over the terrain area. This requires a faster signal processing, however, the components and circuits needed therefore are available today with low energy consumption. The reflection of the measuring results into the field of vision of a telescope has the advantage that the measuring result is immediately available within a conventional lightweight and portable observation instrument, i.e. together with an image of terrain area. The determined position of the optical system, therefore, is immediately available within the image of the terrain area. The term “telescope” is to be understood to comprise lightweight optical observation instruments of all kinds, i.e. also periscopes, cameras and the like.
[0048]This measure has the advantage that the imaging scale is the same. When the system is correctly set, it is a 1:1 system. Accordingly, a target is always displayed at the correct location, independent from the relative adjustment between the measuring system and the telescope.

Problems solved by technology

In the course of military conflicts, armed forces are increasingly challenged by hostile optical systems, in particular during non-conventional warfare which happens more and more often.
This prior art system, therefore, has the disadvantage that the gunner must have fired at least one projectile, before he may be localized.
Further, the apparatus is not handy and, due to all its components, may be used only as a stationary installation.
However, these systems have a considerable weight of more than 30 kg and have a high energy consumption in excess of 200 W, so that such systems in practice may only be used stationary and only for short periods of time, given the high energy consumption, unless corresponding big and heavy energy sources are used.
This system, too, has the disadvantage that it is very heavy and not easy to operate.
The apparatus does not provide a processing or a display of an image.

Method used

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Embodiment Construction

[0055]In FIG. 1, reference numeral 10 as a whole designates a portable firearm, in the embodiment shown, a rifle. It goes without saying that the invention is not limited to this kind of weapons. In particular, the invention may likewise be used in connection with other weapons, for example may be used with mobile launching installations for low-velocity projectiles, grenade launchers, for example.

[0056]A sighting unit designated at 14 is mounted on a gun barrel 12 of portable firearm 10. Sighting unit 14 consists of an aiming telescope 16 having an eye piece 18. A detection unit 20 is mounted from above an aiming telescope 16, for example by plugging. Detection unit 20 comprises a unit for reflecting an image into the field of vision of aiming telescope 16. Unit 21 reflects light signals from the front into aiming telescope 16.

[0057]Detection unit 20 is used for detecting optical systems within a terrain. The term “optical system” is to be understood in the context of the present a...

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PUM

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Abstract

A method and an apparatus are used for detecting optical systems, for example a sniper within a terrain. The terrain is optically scanned by means of a movable mirror and the position of the optical system is determined from a measurement made by a laser unit and is optically displayed. The position of the optical system is directly determined from the measurement made by the laser unit by evaluating the intensity of a light beam from the laser unit, after having been reflected by an optical surface of the optical system. The position is optically reflected into the field of vision of a telescope. The apparatus comprises a laser unit having a movable mirror, a control unit for detecting the position of the optical system from a measurement made by the laser unit, and a device for optically displaying the position. The device for optically displaying is a telescope, and means are provided for optically reflecting the position of the optical system into the field of vision of the telescope.

Description

FIELD OF THE INVENTION[0001]The invention, generally, is related to the field of military weapons.[0002]More specifically, the invention is related to the field of methods and apparatuses for assisting the aiming at a hostile object with a weapon for launching low-velocity projectiles, in particular with a grenade launcher.[0003]Still more specifically, the invention is related to a method for detecting optical systems within a terrain, wherein the terrain is optically scanned by means of a movable mirror, the position of the optical system being determined from a measurement made by a laser unit and being optically displayed.[0004]The invention, moreover, is related to an apparatus for detecting optical systems within a terrain comprising a laser unit having a movable mirror, a control unit for detecting the position of the optical system from a measurement made by the laser unit, and a device for optically displaying the position.BACKGROUND OF THE INVENTION[0005]In the course of m...

Claims

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Application Information

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IPC IPC(8): G01B11/26G01S17/04
CPCG01S17/026G02B23/10G02B23/14F41G3/147G01S17/04
Inventor KUERBITZ, GUNTHER
Owner CARL ZEISS OPTRONICS
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