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Gray code tape intelligent measuring tape

A smart tape measure and Gray code technology, applied to bendable rulers and other directions, can solve the problems of large device size and reading error, and achieve the effect of enhancing stability and reducing volume

Active Publication Date: 2017-04-05
CHIT WING TECH GRP COMPANY
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

[0005] In view of the above-mentioned deficiencies in the prior art, the object of the present invention is to provide a gray code tape intelligent tape measure, aiming at solving the problems in the prior art when the commonly used length scales are printed on the tape of the tape measure. The defect that the size of the device is larger due to the setting of the gray code disc

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Embodiment Construction

[0021] The present invention provides an intelligent tape measure with Gray code. In order to make the objectives, technical solutions and effects of the present invention clearer and clearer, the present invention will be described in further detail below. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0022] See also Figure 1-Figure 2 ,among them figure 1 It is a schematic structural diagram of a preferred embodiment of the gray code tape smart tape measure of the present invention, figure 2 It is an exploded view of a preferred embodiment of the gray code tape smart tape measure of the present invention. The gray code tape smart tape measure includes a smart tape measure body 100 and a tape measure tape 200 that is arranged in the smart tape measure body 100 and can be withdrawn. The measuring tape 200 is provided with a Gray code. Further, such as figure 2 As s...

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Abstract

The invention discloses a Gray code tape intelligent measuring tape. Gray codes are directly arranged on a measuring tape, and the Gray codes are repeatedly arranged on the measuring tape according to the specific period instead of being arranged in the intelligent measuring tape body by printing a Gray code disc so that the size of the intelligent measuring tape can be reduced; meanwhile, each Gray code in one period has a certain width of black code or white code so that the Gray codes on the measuring tape can be read through a reading device, the conventional scale reading mode can be replaced and the reading stability can be enhanced.

Description

Technical field [0001] The invention relates to the technical field of smart tape measures, in particular to a gray code tape smart tape measure. Background technique [0002] Gray code belongs to reliability coding, which is a coding method that minimizes errors. Because, although the natural binary code can be directly converted into an analog signal by a digital-to-analog converter, in some cases, for example, when converting from decimal 3 to 4, every bit of the binary code has to change, which can make the digital circuit produce very Large spike current pulse. The Gray code does not have this shortcoming. When it switches between adjacent bits, only one bit changes. It greatly reduces the logic confusion from one state to the next. Since there is only one bit difference between the two adjacent code groups of this kind of code, in the linear displacement-digital conversion used in the direction, when the linear displacement changes slightly (which may cause the digital v...

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Application Information

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IPC IPC(8): G01B3/10
Inventor 李向良
Owner CHIT WING TECH GRP COMPANY
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