Thermal printer for automotive fault diagnostic apparatus and automotive fault diagnostic apparatus

A thermal printer, automobile failure technology, applied in printing devices, printing and other directions, can solve the problems of slow printing speed and slow response speed of printers, and achieve the effect of improving printing speed

Inactive Publication Date: 2013-10-09
SHENZHEN FCAR TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The printer mainly has the following disadvantages. Since ROM and RAM are external memory, the response speed is slow, resulting in a slow printing speed of the printer.

Method used

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  • Thermal printer for automotive fault diagnostic apparatus and automotive fault diagnostic apparatus

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Embodiment Construction

[0016] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0017] refer to figure 1 , figure 1 It is a structural schematic diagram of a preferred embodiment of a thermal printer used in an automobile fault diagnosis instrument according to the present invention.

[0018] The thermal printer used for the automotive fault diagnosis instrument proposed in this embodiment includes a main control chip 10 and a thermal printer head (not shown in the figure), and the main control chip is provided with a flash memory 11 and a random access memory 12, wherein:

[0019] The main control chip 10 is used to transfer the received data to the thermal printer head (not shown in the figure) through the random access memory 12 for printing...

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Abstract

The invention relates to a thermal printer for an automotive fault diagnostic apparatus and an automotive fault diagnostic apparatus. An integrated master control chip is used to control the printer; and a flash memory and a random access memory are integrated at the master control chip. When the master control chip receives data sent by an upper computer of the automotive fault diagnostic apparatus, the data are directly transferred to a printer head by the random access memory to carry out printing. Therefore, received data can be printed rapidly; and a printing rate of the printer can be improved.

Description

technical field [0001] The invention relates to the technical field of printers, in particular to a thermal printer used for an automobile fault diagnosis instrument and the automobile fault diagnosis instrument. Background technique [0002] With the wide application of embedded micro-printers and the development of portable equipment and instruments, the size of the equipment body continues to shrink, and the user's requirements for the printing speed of the printer continue to increase. The miniature thermal printer has become a reliable solution. The printing speed of the printer is fast, the noise is low, the writing is clear, and the head is small and light to meet these requirements. [0003] The thermal printer in the prior art automobile fault diagnosis instrument generally receives the serial data sent by the upper computer of the automobile fault diagnosis instrument by a 51 single-chip microcomputer, and transfers the data to the external ROM (Read-Only Memory, r...

Claims

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Application Information

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IPC IPC(8): B41J29/38
Inventor 姚勇张宁
Owner SHENZHEN FCAR TECH CO LTD
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