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Pluggable electronic device and method for determining data output by pluggable electronic device

An electronic device and external power supply technology, which is applied to color TV parts, TV system parts, TVs, etc., and can solve problems such as user inconvenience

Active Publication Date: 2015-07-29
REALTEK SEMICON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, since not every TV supports the MHL standard, for example, if the user travels or goes on a business trip with a smart TV stick that only supports the MHL standard, it is very likely that the TV in the hotel cannot support the MHL standard. Inconvenience

Method used

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  • Pluggable electronic device and method for determining data output by pluggable electronic device
  • Pluggable electronic device and method for determining data output by pluggable electronic device

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Embodiment Construction

[0028] Certain terms are used in the description and claims to refer to particular elements. Those of ordinary skill in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. "Includes" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". In addition, the term "coupled" here includes any direct and indirect means of electrical connection. Therefore, if it is described in the text that a first device is coupled to a second device, it means that the first device can be directly electrically connected to the second device. The second device, or indirectly electrically connected to the second device through other devices or connection means.

[0029] Please refer to fi...

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PUM

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Abstract

The invention discloses a pluggable electronic device which is used for being connected to a displayer and can be used for generating data according with a first specification or a second specification, and the generated data is transmitted to the displayer. The pluggable electronic device comprises a control circuit used for generating a plurality of audio-video signals and control signals; a selection signal generation circuit used for generating a selection signal according to the state that whether the pluggable electronic device is connected to an external power supply; a multiplexer used for receiving the audio-video signals and the control signals and selectively generating audio-video signals and control signals according with the first specification or the second specification according to the selection signal; and a connector used for transmitting the audio-video signals and the control signals from the multiplexer to the displayer.

Description

technical field [0001] The present invention relates to a pluggable electronic device, especially a pluggable electronic device for connecting to a display device. Background technique [0002] Devices such as smart TV dongles or WiFi display dongles currently on the market usually use high-definition multimedia interface (High-Definition Multimedia Interface, HDMI) or mobile high-definition connection technology (Mobile High-Definition Link, MHL) to output the picture to the TV. With these pluggable devices plugged into the TV, the TV can expand the function of smart TV or wireless display. [0003] However, the MHL / HDMI on the TV side is the same interface, which can automatically detect whether the connected pluggable device (such as a smart TV stick or a wireless audio receiver) supports MHL or HDMI, so these pluggable The device itself will only make one specification, that is, HDMI or MHL, and the TV will determine the type of device. In addition, since not every TV ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G5/00H04N5/765
Inventor 赖照民蔡明宗
Owner REALTEK SEMICON CORP