two-way transmission device

A technology of two-way transmission and transmission line, which is applied in the direction of TV, color TV parts, electrical components, etc., can solve the problems of timing control difficulty, difficult realization, data latch, etc., and achieve high cost improvement and solve data latch. Effect

Active Publication Date: 2018-02-02
ATEN INT CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the timing control is difficult and difficult to implement, once the timing control is wrong, the signal feedback is likely to cause the problem of data latch (Latch)

Method used

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Examples

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Embodiment Construction

[0052] A preferred embodiment of the present invention is a two-way transmission device. In this embodiment, the bidirectional transmission device can be applied in a signal extender, and the signal extender can be applied in a signal transmission system, but not limited thereto. Please refer to figure 1 , figure 1 It is a schematic diagram illustrating that the bidirectional transmission device in this embodiment is applied to a signal extender.

[0053] like figure 1As shown, in the signal transmission system 1 , the signal extender EXT is coupled between the signal source device 11 and the signal output device 12 . The signal extender EXT includes a transmitting module TX, a pair of transmission lines L1-L2 and a receiving module RX. The pair of transmission lines L1 - L2 is coupled between the transmitting module TX and the receiving module RX. Two-way transmission devices 10A and 10B are disposed in the transmission module TX and the reception module RX respectively....

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Abstract

The invention discloses a two-way transmission device. The bidirectional transmission device includes a first computing unit and a second computing unit. The first arithmetic unit has a first input terminal and a first output terminal. The second arithmetic unit has a third input terminal, a fourth input terminal and a second output terminal. The third input terminal of the second computing unit is coupled to the first input terminal of the first computing unit. The fourth input terminal of the second computing unit is coupled to the first output terminal of the first computing unit. The fourth input terminal of the second arithmetic unit receives the first input signal, and outputs the first output signal through its second output terminal.

Description

technical field [0001] The present invention relates to bidirectional transmission of signals, in particular to a bidirectional transmission device capable of realizing bidirectional transmission of half-duplex control signals without using a special IC with high cost. Background technique [0002] Generally speaking, most traditional HDMI signal extenders (Extender) use dedicated ICs to solve the problem that bidirectional control signals cannot be compensated. The disadvantage is that the cost of the dedicated IC is too high, and the signal compensation is fixed and less flexible. [0003] In addition, the traditional HDMI signal extender can also use the Timing control method to control the transmission and reception of bidirectional signals through the enable control pin. However, since the timing control is difficult and not easy to implement, once the timing control is wrong, the signal feedback is likely to cause a data latch problem. Contents of the invention [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/765
Inventor 车建梁
Owner ATEN INT CO
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