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Digital display apparatus for graphics measurement

A technology for measuring numbers and graphics, applied to instruments, measuring devices, optical devices, etc., can solve problems such as weak functions and inability to detect complex graphics, and achieve the effects of convenient processing, fast and smooth display effects, and optimized driver programs

Inactive Publication Date: 2009-02-18
东莞市嘉腾仪器仪表有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this invention also has weak functions and cannot detect more complex graphics.

Method used

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  • Digital display apparatus for graphics measurement
  • Digital display apparatus for graphics measurement

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Embodiment Construction

[0028] Such as figure 2 As shown, the graphic measurement digital display instrument includes a 5.7-inch monochrome LCD liquid crystal display and a key panel, and the processor LPC2146 and EPM570 signal processor with the ARM7TDMI-S core; the processor LPC2146 includes an integrated USB interface, UART serial port and The I2C bus interface is electrically connected with the RS232 interface of PC communication; the EPM570 signal processor contains 512 macro processing units inside, which are electrically connected with the grating ruler signal detection circuit, and are also connected with the processing key information, probe information, pedal information, etc. The switch information is electrically connected with the circuit of the LCD screen backlight adjustment function; and a dot matrix printer is also included.

[0029] see figure 1 , this figure is a software flow chart of the present invention, which is briefly introduced. When the power switch is turned on and the...

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Abstract

The invention relates to a graphical measuring digital display apparatus, in particular to a graphical measuring digital display apparatus and a method for realizing the graphical measuring digital display. The invention aims to solve the technical problem of providing a graphical measuring digital display apparatus which can program the repetitive measuring steps. The technical proposal is as follows: the graphical measuring digital display apparatus comprises a liquid crystal display and a button panel; the apparatus also comprises an ARM7TDMI-S core-based processor LPC2146 and an EPM570 signal processor which are connected with the display and the panel through data communication and are able to exchange data with the devices; the processor LPC2146 comprises an integrated USB interface, a UART serial port and an I2C bus interface, and is electrically connected with an RS232 interface of PC communication; the EPM570 signal processor comprises 512 macro-processing units which are electrically connected with a grating scale signal detection circuit, and also electrically connected with the circuits for processing button information, probe information, footswitch information and LCD screen backlight adjustment functions.

Description

technical field [0001] The invention relates to a digital display instrument for graphic measurement, which is a high-precision, high-efficiency, and high-reliability measuring device necessary for the high-precision processing and manufacturing industry; in particular, it relates to a graphic that can program repetitive measurement steps A measuring digital display instrument and a method for realizing graphic measuring digital display. Background technique [0002] The patent No. ZL200410061817.6 announced on December 19, 2007 and the name is a focus detection method capable of performing focus detection with high precision and high speed, a focus detection mechanism of image measuring equipment, and a focus detection mechanism with the same image measuring equipment. A rotary drive rotates and operates a raster filter for projecting a raster pattern onto the object being measured. The distance driving device adjusts the separation distance between the image pickup devic...

Claims

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Application Information

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IPC IPC(8): G01B11/00
Inventor 彭雄良周峰
Owner 东莞市嘉腾仪器仪表有限公司
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