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Method for measuring label width of handheld label printer

A technology of width measurement and labeling, applied in printing devices, measuring devices, printing and other directions, can solve the problems of printing and paper feeding errors, aging, inaccurate measurement labels, etc., to reduce the failure rate, prolong the service life, and ensure accurate sexual effect

Active Publication Date: 2013-12-11
CHONGQING PINSHENG TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing measurement methods are mainly detected by infrared photoelectric sensors. The infrared photoelectric sensors are aging after long-term use, which will lead to inaccurate measurement of labels and errors in printing and paper feeding.

Method used

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  • Method for measuring label width of handheld label printer
  • Method for measuring label width of handheld label printer
  • Method for measuring label width of handheld label printer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] like figure 1 As shown, in the present invention, the label printer uses an infrared photoelectric sensor to measure the width of the label in a reflective manner. The label paper roll includes a backing paper 1 and a plurality of labels 2 attached to the backing paper 1. When replacing a new label paper roll , it is necessary to measure the width L of the new label 2 and the gap S of the backing paper 1 between the two labels 2 .

[0022] like figure 2 As shown, due to the influence of the mechanical structure of the label printer, the label roll can only advance in one direction. Assuming that the label paper roll advances from right to left, the infrared photoelectric sensor includes a transmitting photoelectric cell 3 and a receiving photoelectric cell 4. The emitting photoelectric cell 3 emits infrared rays, which reflect on the surface of the label 2, and the receiving photoelectric cell 4 receives the emitted infrared rays. Label 2 and backing paper 1 have dif...

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PUM

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Abstract

The invention relates to a method for measuring the width of paper such as cut-sheet paper and roll paper used for copying materials, in particular to a method for measuring the label width of a handheld label printer. The method for measuring the label width of the handheld label printer comprises the following steps of setting the label width to be L1, controlling the label roll paper to advance by Nmm, recording output voltage values of an infrared receiving photoelectric tube of the Nmm, arraying the output voltage values of the Nmm from small to large, subtracting the minimum value from the maximum value to obtain a difference value D, and marking the middle value of the output voltage values of the Nmm as Label. The method can achieve measurement and calibration at the same time, influence on a measurement result by aging of the infrared receiving photoelectric tube can be reduced, accordingly, the accuracy of printing and paper feeding is ensured, failure rate is decreased, and the service life of the handheld label printer is prolonged.

Description

technical field [0001] The invention relates to a method for measuring the paper width of a copy material such as a single sheet of paper or roll paper, in particular to a method for measuring the label paper width of a hand-held label printer. Background technique [0002] At present, label printers use long backing paper to paste label paper at certain intervals for printing. Since there are many types of labels, when replacing different labels, in order to correctly feed and print the labels, it is necessary to Measure the width of the label. Existing measurement methods mainly use infrared photoelectric sensors for detection. Infrared photoelectric sensors are aging after long-term use, which will lead to inaccurate measurement of labels and errors in printing and paper feeding. Contents of the invention [0003] The invention provides a label width measurement method of a hand-held label printer that is calibrated while measuring, which can reduce the influence of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J29/00G01B11/04
Inventor 庞静徐洋周昌伟
Owner CHONGQING PINSHENG TECHNOLOGY CO LTD