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Video universal meter

A multimeter and video technology, applied in the field of multimeters, can solve problems such as difficulty in ensuring that electronic components can read test results at the same time

Inactive Publication Date: 2013-05-08
SHANGHAI KEQIN ELECTRICAL MACHINE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a video multimeter with video function in order to overcome the problem that the multimeter in the prior art is difficult to ensure that the electronic components of the larger integrated circuit are tested while reading the test results

Method used

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Embodiment Construction

[0033] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.

[0034] figure 1 Shown is the circuit structure block diagram of video multimeter of the present invention, and wherein this video multimeter comprises an FPGA1 (Field Programmable Gate Array, i.e. Field Programmable Gate Array), a measurement device 2, a control device 3, a test signal input and output device 4. An imaging device 5 , a video encoder 6 , a video decoder 7 , a display device 8 , a light source 9 , a storage module 10 and an interface module 11 .

[0035] Wherein, the imaging device 5 is used for shooting or zooming in on the test signal input and output device 4 and the electronic components detected by the test signal input and output device 4; the video encoder 6 is used for the video captured by the imaging device 5 The data is encoded; the video decoder 7 is used to d...

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Abstract

The invention discloses a video universal meter which comprises a test signal input-output device, a control device, a measuring device, an imaging device, a video encoder, a video decoder and a display device, wherein the imaging device is used for shooting the test signal input-output device and electronic components detected by the test signal input-output device, the video encoder is used for encoding video data shot by the imaging device, the video decoder is used for decoding received video data, the display device is used for displaying measuring results and the video data decoded by the video decoder, and field programmable gate array (FPGA) is used for controlling work states of the imaging device, the display device, the video decoder and the video encoder, receiving encoded video data, sending the encoded video data to the video decoder, receiving the measuring results sent by the measuring device, and sending to the display device. The video universal meter enables a tester to observe contact situation between the electronic components and a detecting pen conveniently and to read test results of the electronic components.

Description

technical field [0001] The invention relates to a multimeter, in particular to a digital multimeter with video function. Background technique [0002] Multimeters are also called multimeters, triple meters, and multimeters. Multimeters are divided into pointer multimeters and digital multimeters. It is a multi-functional and multi-range measuring instrument. The multimeter is composed of three main parts: the meter head, the measuring circuit and the switch, and generally can measure DC current, DC voltage, AC current, AC voltage, resistance and audio level, etc. , Some multimeters can also have functions such as temperature measurement, diode screening, temperature, frequency, duty cycle, fast pulse, logic analysis, oscilloscope, trend drawing, harmonic analysis, continuity, conductance, capacitance measurement, etc. [0003] Now, digital measuring instruments have become mainstream and have replaced analog instruments. Compared with analog instruments, digital instrument...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R15/12H04N7/18
Inventor 韩沁驰
Owner SHANGHAI KEQIN ELECTRICAL MACHINE
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