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Electronic level

An electronic level and collimation technology, which is applied in the direction of height/level measurement, instruments, measuring instruments, etc., can solve the problems that the collimator cannot confirm the measurable range and cannot adapt to the function of the electronic level, so as to improve work efficiency, simple structure, low cost effect

Inactive Publication Date: 2015-02-11
KK TOPCON
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AI Technical Summary

Problems solved by technology

[0005] In addition, in recent years, an electronic level that can simultaneously measure a plurality of scales within a desired range has been proposed. However, the measurable range cannot be confirmed with the collimator of the existing electronic level, and the function of the electronic level cannot be adapted.

Method used

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Embodiment Construction

[0025] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0026] First, in figure 1 , figure 2 In the following, the electronic level 1 according to the first embodiment of the present invention will be described.

[0027] This electronic level 1 is made up of following parts: electronic level main body 2, the collimator 3 that is used to aim at the target point, described electronic level main body 2 is carried out the base plate part 4 of supporting levelling, aiming at the electronic level that is in the target position Scale 5 (Hereinafter, marked as Scale 5, refer to image 3 ), the focus knob 7 for focusing on the target point, the direction adjustment knob 8 for adjusting the aiming direction, the objective lens part 9 of the telescope for incident reflected light from the scale 5, a power switch, and An operation unit 11 such as a menu button for switching measurement modes, a measurement start button 12 for perfor...

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Abstract

An electronic level which is arranged to receive reflected light from a pattern marked on a staff (5) and to determine the height of the sighting position and the distance to the staff, comprises an electronic level main unit (2), a sighting optical system (15) accommodated in the electronic level main unit (2) for sighting the staff (5) and a sighting device (3) provided on an upper surface of the electronic level main unit (2). The sighting device (3) can be sighted in at least in two directions, and the angle (¸) formed by the two directions is equal to or approximately equal to the field angle of the sighting optical system (5).

Description

technical field [0001] The present invention relates to an electronic level that converts a pattern image of a scale into an electric signal, and obtains a sighting height and a distance to the scale from the obtained electric signal. Background technique [0002] A spirit level is a measuring device for measuring height differences. A conventional spirit level is a measurement device in which a worker points a telescope at a scale installed at a measurement target point and visually reads a numerical value drawn on the scale. Therefore, there is a possibility that the operator reads the scale of the scale incorrectly. [0003] In order to prevent misreading the scale of the scale, electronic levels and scales for electronic levels are being developed as follows, that is, aiming at the scale, receiving light from the drawn pattern with a light receiving element, converting it into an electrical signal, calculating the position, and displaying it as a numerical value. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C5/02
CPCG01C5/00G01C9/06G01C15/00G01C2009/066
Inventor 藤冈孝行
Owner KK TOPCON
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