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Sensor detection device and detection method

A detection device and sensor technology, applied in image duplicators, image reproducers using cathode camera tubes, televisions, etc., can solve problems such as inconvenient operation, low production efficiency, and easy misjudgment, so as to improve accuracy, Increased productivity and reduced impact

Inactive Publication Date: 2009-05-20
TIANJIN SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And relying on the reading of the multimeter, it is easy to cause misjudgment when judging
Light on / off depends on manual operation, which is inconvenient to operate and low in production efficiency

Method used

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  • Sensor detection device and detection method
  • Sensor detection device and detection method

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] The schematic diagram of the circuit of the sensor detection device of the present invention is as figure 1 As shown, it includes power supply, sensor, sensor signal output circuit, microprocessor, display and display control circuit, light source and light source control circuit. A light source is provided at a position corresponding to the sensor. The sensor is connected with the microprocessor through the sensor signal output circuit, the microprocessor is respectively connected with the display and display control circuit, the light source control circuit, and the light source control circuit is connected with the light source. The power supply is respectively connected with the microprocessor and the sensor. In order to avoid the influence of external light sources on the detection results, the light source adopts high-luminesce...

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Abstract

A sensor detector, which contains light source, sensor signal output circuit, micro processor, light source control circuit, said invention also discloses the detection method which adopts intelligent control to switch of light source by switch transistor, simplifies operation, raises productivity and reduces judgment error.

Description

technical field [0001] The invention relates to a detection device and a detection method, more specifically, to a detection device and a detection method of a sensor used in a rear projection television. Background technique [0002] Automatic convergence is an important condition to ensure the normal display of images in the production of rear projection TVs. Auto-convergence is achieved by fixing the sensors at the four center positions of the rear projection TV. During factory adjustment, ensure that the three colors of red, green, and blue overlap. At this time, the three scanning lines of red, green, and blue scan the sensor to determine the center of convergence at this time, and the signal output by the sensor at this time is passed through A / D is converted and stored in memory. After the TV leaves the factory, due to the change of the magnetic field, the convergence position changes, resulting in abnormal image display. At this time, turn on the "automatic conve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N17/00H04N9/28
Inventor 胡爱东
Owner TIANJIN SAMSUNG ELECTRONICS CO LTD