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Method for FPGA (Field-Programmable Gate Array) to detect video signal transmission fault in laser television

A video signal, laser TV technology, applied in TV, electrical components, image communication and other directions, can solve the problems of VBO signal processing stability is not very good, display errors and other issues

Inactive Publication Date: 2018-09-28
HISENSE VISUAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The processing stability of the FPGA to the VBO signal is not very good, sometimes causing display errors such as black screen, white screen, blurred screen, and ghosting

Method used

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  • Method for FPGA (Field-Programmable Gate Array) to detect video signal transmission fault in laser television
  • Method for FPGA (Field-Programmable Gate Array) to detect video signal transmission fault in laser television
  • Method for FPGA (Field-Programmable Gate Array) to detect video signal transmission fault in laser television

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Embodiment Construction

[0038] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0039] An embodiment of the present invention provides a method for an FPGA in a laser TV to detect a video signal transmission fault, and the method can be implemented by the laser TV. Among them, laser TV can include components such as memory, FPGA, FRC, SOC, display part (DLP), main controller of FPGA, etc. The internal structure diagram of the device can be as follows figure 1 shown. The FPGA includes a receiving end, a sending end, and a signal processing module. The receiving end can also be called an Rx (Receiver, receiving) module, and the sending end can also be called a Tx (Transmitter, sending) module. The receiving end and the sending end form a video signal transmission link. The main controller can be used to control th...

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Abstract

The invention discloses a method for an FPGA (Field-Programmable Gate Array) to detect a video signal transmission fault in a laser television and belongs to the technical field of video signal processing. A receiving end and a transmitting end of the FPGA form a video signal transmission link. The method comprises the step of output a fault signal when it is detected that a signal locking state of the receiving end is abnormal, an error occurs in timing information obtained by the receiving end through analysis of video signals or the signal locking state of the transmitting end is abnormal.Through adoption of the method, an error display state can be prevented from being displayed continuously by the laser television.

Description

[0001] This application is a divisional application of the Chinese invention patent application 201710103358.0 filed on February 24, 2017, with the title of "Method and device for FPGA detecting video signal transmission failure in laser TV". technical field [0002] The invention relates to the technical field of video signal processing, in particular to a method and a device for detecting video signal transmission faults by an FPGA in a laser TV. Background technique [0003] With the development of technology, laser TV has been widely promoted. In order to meet the requirements of video data transmission speed, the current laser TVs all use VBO (V-By-One, a video signal transmission standard) signal. [0004] During the display process of the laser TV, the VBO signal will pass through SOC (System-On-Chip, system on chip), FRC (Frame Rate Conversion, frame rate converter), FPGA (Field-Programmable Gate Array, field programmable gate array ), DLP (Digital Light Processing,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N17/04
CPCH04N17/004H04N17/045
Inventor 刘西富杨海龙徐卫
Owner HISENSE VISUAL TECH CO LTD
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