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Bar-code pattern form board and technology for making bar-code scale

A technology of bar codes and templates, applied in the direction of measuring scales, movable marks, measuring point marks, etc., can solve the problems of discoloration of the marking edge, easy to accumulate dirt, high cost, etc., achieve high definition, solve processing technology problems, The effect of long service life

Inactive Publication Date: 2005-12-21
戴进武 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the laser firing process meets the accuracy requirements of the leveling scale used in electronic levels, there are still some unsatisfactory aspects in terms of its aesthetics, such as the uneven bottom of the stripe code, discoloration of the edge of the division, easy aging, brittleness, and dents. Dirt is easy to accumulate in the reticle, which not only directly affects the imaging clarity, but also affects the service life of the product
[0004] In addition, the laser burning process has a long cycle and high cost

Method used

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  • Bar-code pattern form board and technology for making bar-code scale
  • Bar-code pattern form board and technology for making bar-code scale
  • Bar-code pattern form board and technology for making bar-code scale

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specific Embodiment approach

[0025] detailed description: figure 1 A schematic diagram of the leveling staff used by the electronic level is given. The barcode on the scale is designed as black and white or yellow and black stripes, and all stripes are integer multiples of the thinnest stripe.

[0026] Such as figure 2 As shown, in order to realize the production by spraying process figure 1 An electronic level gauge, which at least includes processing a strip 1 with a length and width similar to the scale to be processed, and the strip 1 is wider than the leveling scale pattern part, figure 2 Band 1 that fits the fabrication template is given.

[0027] image 3 On the strip 1, the positioning marks 2 are firstly arranged at a certain period, and the positioning marks 2 can be circular positioning marks or square positioning marks, which play a positioning role. The center distance between two positioning marks is 2.025mm. Then the positioning mark 2 is drilled to form a positioning hole 4, as show...

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Abstract

A process for preparing bar code surveying rod includes preparing a strip template in width and length greater a bit than surveying rod tape , setting the positioning marks on the strip ,forming positioning holes by making holes according to positions of positioning marks , preparing relevant bar code at bottom edge of positioning hole and spraying surveying rod on strip with hole bar code .

Description

Technical field: [0001] The invention relates to a bar code pattern template and a process for making a bar code scale. The bar code scale produced by the bar code pattern template is used as a leveling scale during leveling measurement. Background technique: [0002] The bar code of the indium steel leveling staff used in high-precision geodetic leveling requires high machining accuracy. For example, in the original level for optical measurement, in order to identify the position of the scale, a pattern is printed on the scale, and the pattern is sprayed on the scale tape. The base surface of the scale tape is flat, and the scale is convex, and the instrument image is clear , The process precision control level is high, meeting the requirements of the first-class geodetic precision measurement standard. However, with the emergence of electronic levels, the processing method of printing patterns on the scales is not suitable for the requirements of the leveling scales used ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C15/06
Inventor 戴进武李文杰
Owner 戴进武