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Positioning device

A technology of positioning device and drive shaft, applied in the direction of measuring device, installation, instrument, etc., can solve the problems of complex, unsuitable, unstructured, etc., and achieve the effect of simple design and small occupied space

Active Publication Date: 2013-06-05
TRIMBLE JENA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The scheme is complex, takes up a lot of space in the telescope and does not make the structure modular
Due to the large torque required to adjust the focusing lens tube, this solution is hardly suitable for motor drive

Method used

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Examples

Experimental program
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Embodiment Construction

[0115] Figure 1-3 The tachymeter shown—also known as a total station—is used for surveying purposes in geodesy. In such a measuring operation, the angular position of the target in the horizontal and vertical planes and the distance between said target and the tachymeter are determined, which are then used to determine position data or coordinates of the target. Objects or sections of objects in the field of view can in principle be used as targets, but in many cases artificial targets are also used, for example mirrors to be measured which are placed by a surveyor at predetermined positions. Predetermined points on the ground, such as boundary stones, can be marked using the man-made targets and their positions determined by the tachymeter. However, not only the position of an object can be measured, but also points with known coordinates or positions can be found in the field of view and then marked. For this purpose, by using a tachymeter, the target can be placed at the...

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PUM

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Abstract

The invention discloses a positioning device, which comprises a framework (60), a motor (61) with a driving shaft, a mandrel (63) provided with a first end (71) and a second end (76) and capable of rotating relative to the framework (60), a coupling (62) elastically connecting the driving shaft to the first end (71) of the mandrel (63) and making the mandrel (63) rotate when the driving shaft of the motor (61) rotates, and supporting components (72, 74 and 75) elastically supporting at least one of the second end (76) of the mandrel (63) and the motor (61) onto the framework (60).

Description

[0001] This application is a divisional application of the patent application with the application number 200580046518.8, the filing date of the original application is January 121, 2005, and the title of the invention is "positioning device". technical field [0002] The invention relates to a positioning device, especially a positioning device of an optical instrument, and an optical instrument equipped with such a positioning device, especially a tachymeter. Background technique [0003] In many cases, the purpose of a positioning device is to adjust the position of a part to be positioned in a controlled and precise manner. Examples of such positioning devices include focusing or focusing devices used in optical instruments to move a lens or lens system along the optical axis of the lens, for example when an object is imaged, to focus the image. [0004] Such positioning devices are known, for example see JP 62-255907, DE691 17 435T2, JP 3-288108A, JP 8-184742A, JP 08-19...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B7/04G02B21/24G02B23/00G01C15/00G01C1/00G01C3/04
Inventor M·诺瓦克
Owner TRIMBLE JENA