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Shenzhen ThreeNH Technology Co., Ltd.

Shenzhen ThreeNH Technology Co., Ltd.

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YE0279 Bar Camera Resolution Test Target IEC 61 146Transmission Resolution Checking Test Target

YE0279 Bar Camera Resolution Test Target IEC 61 146Transmission Resolution Checking Test Target

    • YE0279 Bar Camera Resolution Test Target IEC 61 146Transmission Resolution Checking Test Target
    • YE0279 Bar Camera Resolution Test Target IEC 61 146Transmission Resolution Checking Test Target
  • YE0279 Bar Camera Resolution Test Target IEC 61 146Transmission Resolution Checking Test Target

    Product Details:

    Place of Origin: P.R.China
    Brand Name: SineImage
    Model Number: YE0279

    Payment & Shipping Terms:

    Minimum Order Quantity: 1set
    Price: Negotiable
    Packaging Details: Carton package
    Delivery Time: 3 working days
    Payment Terms: T/T, L/C, Paypal
    Supply Ability: 5000sets per month
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    Detailed Product Description
    Type: Reflective/Transparent Ratio: 4:3 /16:9

    YE0279 bar resolution test chart (IEC 61146) for checking the transmission

    The bar test chart is designed for checking the transmission characteristics of TV cameras at intermediate and deep frequencies.

    In the upper part of the picture 4 black horizontal bars of different length are arranged in a white surrounding. The lower part is a mirror image to the upper one; however white bars are arranged in a black surrounding. A narrow vertical strip of black and white each are located in the center of the picture. These strips resp. bars generate puls signals of approx. 2 µs, 5 µs, 12 µs and 32 µs.

    UTILIZATION

    Inadequate transmission characteristics at intermediate and deep frequencies generate streaking effects in scanning line direction. Streaking may also be caused by defective clamping circuits. Long streaking (high error-time-constancy) are clearly visible at the monitor. Short streaking (low error-time-constancy) can be better observed in the oscillogram. For this purpose an oscilloscope with a line selector has to be used and the different bars may be observed one after the other. Also the adjustment of streaking (e.g. compensation of afterglow of flying spot scanners) should be effected with the aid of picture monitor and oscilloscope.

    The narrow vertical strips in the center of the picture show echo disturbances, as may occur e.g. with defective delay lines in circuits for aperture corrections. The large black and white areas in both parts of the picture are designed to asses shadings, background structure and other errors. For this purpose the test chart may also be used upside down.

     

    Contact Details
    Shenzhen ThreeNH Technology Co., Ltd.

    Contact Person: Ms. Suzie Xia

    Tel: 86-0755-27198826-601

    Fax: 86-755-27190609

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    Shenzhen ThreeNH Technology Co., Ltd.
    4/F, Building 8, Nangang Second Industry Zone, Xili, Nanshan District, Shenzhen, China
    Tel:86-0755-27198826-601
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