Thermal printer and thermal printing method

A technology of thermal printing and thermal elements, applied in printing devices, printing, etc., can solve the problems of high price of special printing heads, printing speed cannot be adjusted arbitrarily, printing density cannot be adjusted arbitrarily, etc.

Active Publication Date: 2016-10-05
SHENZHEN COMEN MEDICAL INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For traditional thermal printers, the printing speed cannot be adjusted arbitrarily (higher printing speed will cause greater noise, slower printing speed will take time), and the printing density cannot be adjusted arbitrarily
And the price of special print head is relatively high

Method used

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  • Thermal printer and thermal printing method
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Embodiment Construction

[0020] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. A preferred embodiment of the invention is shown in the drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0022] figur...

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Abstract

The present invention relates to a thermal printer. The thermal printer comprises a stepping motor, a thermal element, a roller driven by the stepping motor to drive thermo-sensitive papers to paper skip and a control module. The control module comprises: a PWM timing controller configured to generate PWM signals to control the rotation of the stepping motor; a serial bus controller configured to control the serial bus to transmit the printing data to the thermal element through the serial bus; a first timing controller configured to generate interruption to start the serial bus to transmit the printing data; and a second timing controller configured to control the heating time of the thermal element. The present invention further relates to a thermal printing method. A PWM timing controller, a first timing controller and a second timing controller are configured to control the printing process, and a thermal printing mode with adjustable printing speed and printing concentration is realized through comparing the counter values of the first timing controller and the second timing controller with the relation of the printing speed and the printing concentration.

Description

technical field [0001] The invention relates to the field of printing, in particular to a thermal printer. Background technique [0002] The use of thermal printers is becoming more and more widespread. It has the characteristics of slow printing speed, low noise, clear printing and convenient use. [0003] For traditional thermal printers, the printing speed cannot be adjusted arbitrarily (higher printing speed will cause greater noise, and slower printing speed will take time), and the printing density cannot be adjusted arbitrarily. And the price of special print head is relatively high. Contents of the invention [0004] Based on this, it is necessary to provide a thermal printing method capable of adjusting the printing speed and printing density through software control. [0005] A thermal printing method, comprising the following steps: reading a character library; applying for a PWM timing controller, a first timing controller, a second timing controller, a seria...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/32B41J29/393
Inventor 左小宝王明
Owner SHENZHEN COMEN MEDICAL INSTR
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