Multifunctional test signal generator/distributor for large-scale production of video products

A multi-functional testing and testing signal technology, which is applied to color TV parts, TV system parts, TVs, etc., can solve the problems of large maintenance costs, cost and waste of resources, and reduce production testing costs and improve production Efficiency, the effect of achieving large-scale automation

Inactive Publication Date: 2014-10-29
CHISONGCHENG BEIJING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the common practice of manufacturers is to use standard equipment such as computers and DVDs, plus a large number of adapters and connecting lines to generate test signal sources, which causes a lot of cost and waste of resources for large-scale production. And bring a lot of maintenance cost

Method used

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  • Multifunctional test signal generator/distributor for large-scale production of video products
  • Multifunctional test signal generator/distributor for large-scale production of video products
  • Multifunctional test signal generator/distributor for large-scale production of video products

Examples

Experimental program
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Embodiment Construction

[0010] Such as figure 1 As shown in "Signal Generation / Distributor Application System Diagram", after the test signal output by this device enters the main board or device to be tested, the test result can be displayed on the display device and can be manually observed or automatically judged by an automatic test machine. On the production line, one device can provide test signals to at least 4 stations at the same time, and can be expanded to 128 stations for simultaneous testing according to needs.

[0011] Such as figure 2 As shown in "Signal Generator / Distributor Appearance Interface Diagram", this device can select sub-modules according to needs. Each sub-module is independent of each other and inserted in parallel on the main board of the main box. According to the size of the main box, 1 to 10 sub-modules can be inserted. Modules vary.

[0012] Such as image 3 As shown in "Signal Generation / Distributor Internal Function Diagram (Taking the HDMI module as an example...

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Abstract

A multifunctional test signal generator/distributor for large-scale production of video products. The invention provides a test signal generator/distributor module. in allusion to problems of low automation degree, high labor cost and low testing efficiency and precision existing in large-scale production of video products such as televisions, tablet computers, DVD and the like, a test scheme with low cost, high efficiency and flexible configuration is provided. The multifunctional test signal generator/distributor supports various video interfaces and various resolutions of HDMI, DVI, VGA, DisplayPort, LVDS, YPbPr, YCbCr, composite video and the like, and can be used separately or used along with any automatic test machines. The multifunctional test signal generator/distributor is composed of multiple configurable modules, provides a prefabricated internal test signal or inputs a test signal from outside, also can download a custom test signal on line, and supports simultaneous test of at least four stations. The invention also provides an HDCP/EDID test function, and a test result is displayed on display equipment in the form of a small window.

Description

technical field [0001] The invention relates to the production test field of video / audio products, and proposes a video / audio test method with low cost, high efficiency and flexible configuration. Background technique [0002] With the rise of digital TVs, tablet computers, and smart phones, circuit boards need more and more compatible interfaces, and the cost pressure of manufacturers is increasing. How to effectively improve product yield and production efficiency has become a cost-restricting issue. The key factor. At this time, just like the development of large-scale integrated circuits, the production test of circuit boards has become a very critical link in the product chain. [0003] Take the motherboard of a digital TV as an example, it has almost all video interfaces such as HDMI, DVI, VGA, YPbPr, etc., which requires that a corresponding test signal source be provided for each interface in the production test, and since the production test focuses on The manufac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N17/00H04N5/268
Inventor 高健民
Owner CHISONGCHENG BEIJING TECH
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