Shaking eliminating device of image acquisition external triggering signals

A technology of image acquisition and external triggering, which is applied in the directions of image communication, TV, color TV components, etc., can solve problems such as the inability of image stitching, and achieve the effect of overcoming the false triggering of image acquisition devices

Inactive Publication Date: 2013-12-11
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

In this process, when the CIS industrial camera is pushed forward and then stops, the trigger device will mistakenly think that the CIS industrial camera has been positioned and output a trigger pulse to trigger the image acquisition device, so as to perform "measurement-comparison" on the servo motor. ——In the process of "executing" positioning, the image acquisition device will be triggered repeatedly. When the servo motor stops, multiple white or black lines appear in the image, resulting in the failure of image stitching

Method used

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  • Shaking eliminating device of image acquisition external triggering signals
  • Shaking eliminating device of image acquisition external triggering signals
  • Shaking eliminating device of image acquisition external triggering signals

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[0026] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0027] Any feature disclosed in this specification, unless specifically stated, can be replaced by other alternative features that are equivalent or have similar purposes. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0028] Those skilled in the art know that an encoder or a grating ruler is a displacement sensor, which is used to convert angular displacement or linear displacement into a periodic electrical signal, and then convert this electrical signal into a counting pulse, and use the number of pulses to represent the displacement the size of. The encoder or grating ruler used in the present invention has two counting pulse outputs, and the two counting pulses are all the same except for their phases. The pha...

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Abstract

The invention discloses a shaking eliminating device of image acquisition external triggering signals, and relates to the technology of industrial control. The shaking eliminating device of the image acquisition external triggering signals aims to reduce the using obstacles of image mosaic equipment caused by shaking. According to the technical scheme, a first input noise suppression circuit and a second input noise suppression circuit are both connected with an input phase detection circuit, and the input phase detection circuit, an input pulse counting circuit and an image acquisition triggering circuit are connected in sequence.

Description

technical field [0001] The invention relates to industrial control technology, in particular to an image acquisition external trigger signal debounce device of a CIS industrial camera in an industrial production line. Background technique [0002] In recent years, the overall processing level of various industries in my country has been continuously improved. High-quality processing and precision instrument processing account for an increasing proportion of the processing industry, and the requirements for optical testing equipment are also increasing. The optical inspection equipment on the production line images the surface of the product through a high-sensitivity image sensor to obtain the original surface information of the product. Through the analysis and processing of the original surface information, the purpose of detecting whether the product is qualified is achieved. At present, the promotion and use of Boacon series ultra-wide CIS industrial cameras in the texti...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/357
Inventor 刘霖刘文聪张峰郭涛陈镇龙罗颖谭良贾宏宇谭沛岩
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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