Video transmission system
A transmission system, audio and video technology, applied in the parts of TV systems, TVs, color TVs, etc., can solve the problems of complicated wiring and difficult to organize, and achieve the effect of improving the complex wiring and difficult to organize.
Active Publication Date: 2019-03-01
ATEN INT CO
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Problems solved by technology
For example, assuming that the audio-visual transmission system has four transmitters and four receivers, each transmitter needs to pull four transmission lines to couple to the four receivers, thus causing the wiring of the entire audio-visual transmission system to become very complicated. complicated and difficult to organize
[0003] Especially under the application trend of more and more transmitters and receivers included in today's audio-visual transmission system, this problem of complicated wiring and difficult arrangement becomes more serious and needs to be solved urgently
Method used
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Embodiment Construction
[0051] A preferred embodiment of the present invention is an audio-video transmission system. In this embodiment, the audio-video transmission system 1 is a video-audio signal splitter (Splitter) type with one transmitter and multiple receivers. Please refer to figure 1 , figure 1 is a schematic diagram illustrating the audio-video transmission system in this embodiment.
[0052] like figure 1 As shown, the video and audio transmission system 1 includes a transmitter TX, a single transmission line L and multiple receivers RX1 to RX4. In practical applications, the transmission line L may be, for example, a CAT5 transmission line including four pairs of twisted wires for transmitting differential signals of up to four pairs, but is not limited thereto. In addition, the number of receivers in the audio-video transmission system 1 is not limited to four in this example, and can be adjusted according to actual needs.
[0053] The transmitter TX is coupled to the first receive...
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A video transmission system includes a transmitter, a transmission line, and receivers coupled in series. The transmitter is coupled to a first receiver via transmission line. The transmitter includes a modulation module, and a first output module. The modulation module modulates a video input signal into a first pair of middle frequency differential signals corresponding to a first band and transmits them to the first receiver via the transmission line. The first receiver includes a second receiving module, a demodulation module, and a second output module. The second receiving module outputs first pair of middle frequency differential signals to a second receiver. If the first band of first pair of middle frequency differential signals corresponds to a first preset band of the demodulation module, the demodulation module demodulates first pair of middle frequency differential signals into the video input signal and the second output module outputs video input signal.
Description
technical field [0001] The present invention is related to audio-visual transmission, in particular to an audio-visual transmission system that simplifies wiring. Background technique [0002] Generally speaking, if the audio-visual transmission system wants to transmit multiple HDMI signals at the same time, radial wiring is usually used between the multiple transmitters and receivers in the audio-visual transmission system. For example, assuming that the audio-visual transmission system has four transmitters and four receivers, each transmitter needs to pull four transmission lines to couple to the four receivers, thus causing the wiring of the entire audio-visual transmission system to become very complicated. Complicated and difficult to organize. [0003] Especially under the trend of more and more transmitters and receivers included in today's audio-visual transmission system, the problem of complicated wiring and difficult arrangement becomes more serious and needs t...
Claims
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IPC IPC(8): H04N21/41H04N5/765H04N5/268
Inventor 朱弘棋
Owner ATEN INT CO