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Electronic measuring tape and a length measuring device provided therewith

A technology of electronic measurement and length measurement, applied in the direction of measuring devices, bendable rulers, instruments, etc., to achieve the effect of optimal manipulation

Inactive Publication Date: 2008-09-24
HOECHSTMASS BALZER GMBH & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem underlying the invention is to provide an electronic measuring tape and a length measuring device comprising such an electronic measuring tape, which overcome the existing problems and which are simple and therefore inexpensive to manufacture

Method used

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  • Electronic measuring tape and a length measuring device provided therewith
  • Electronic measuring tape and a length measuring device provided therewith
  • Electronic measuring tape and a length measuring device provided therewith

Examples

Experimental program
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Embodiment Construction

[0018] according to figure 1 with figure 2 , The electronic measuring tape 10 is surrounded by an outer casing 12, which is used for good manipulation of the operator and used to protect the outer casing from environmental influences. The belt 30 is arranged in the belt housing 34, and the belt 20 can be wound on or unrolled from the belt winding device 20 in a manner known per se, wherein only the winding mandrel is shown for simplicity. The belt 30 is preferably made of fabric, especially plastic, and is therefore very soft and can be used in practically various measurement situations. A belt handle 35 is fixed on the free end of the belt 30, and the belt 30 can be pulled out from the outer casing 12 through the belt outlet 14 on the belt handle 35. The reference edge 15 on the outside of the tape outlet 14 serves as a reference for length measurement. The belt housing 34 and the belt 30 together form a component of its own, which can be removed and reinserted from the outer h...

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PUM

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Abstract

The invention relates to an electronic measuring tape comprising an external housing provided with a tape exit opening, a tape winding-up device, on which the tape is wound in such a way that it is withdrawable from the external housing through the tape exit opening, wherein said tape is provided with first and second surfaces. A radiation source is arranged between the tape exit opening and the tape winding-up device for sending a beam to the first surface of the tape. A detecting device is placed at the side of the second surface of the tape for receiving the beam and transmitting data representing the received radiation to an evaluation device for determining the length of the tape extracted through the tape exit opening. According to said invention, the tape is radiation permeable and provided with a biunique code on one of the surface thereof. Said code represents the length of the tape extracted through the tape exit opening and consists of elements influencing the radiation transmitting capacity of the tape. Said invention also relates to an electronic length-measuring device provided with display and evaluation units for determining a length according to received data and for generating the displayed visual data on the display unit according to said length, wherein said measuring tape is connected to the evaluation unit.

Description

Technical field [0001] The present invention relates to an electronic measuring tape according to the preamble of claim 1 and a length measuring device comprising an electronic measuring tape according to the preamble of claim 10. Background technique [0002] It is increasingly important to collect and estimate the data obtained through the length measurement process electronically. It is advantageous here that not only the relevant length scale is recorded by a mechanical measuring tape in a conventional manner and then entered into the computer, but the length scale to be determined is also determined in the form of electronic data and transmitted to the evaluation unit in the computer. For example, EP 0 740 126 A1 shows such an electronic measuring tape according to the preamble of claim 1 and such an electronic length measuring device according to the preamble of claim 10. The tape that can be wound on the tape winding device has openings arranged at regular intervals, and w...

Claims

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Application Information

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IPC IPC(8): G01B3/10
CPCG01B3/1056G01B2003/1043G01B2003/1094G01B2003/1046G01B2003/1053G01B3/1082G01B3/1043G01B3/1046G01B3/1094G01B3/1003
Inventor 约瑟夫·埃尔布雷赫特
Owner HOECHSTMASS BALZER GMBH & CO
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