CN101094363A - Switcher integrated with high-resolution digital multimedia transmission interface (HDMI) - Google Patents

Abstract

The invention comprises: at least two input units each connected to an electronic device used for providing HDMI signal sources; at least one output unit connected to a audio-visual device supporting HDMI interface; an automatically detecting and switching-over unit for automatically detecting and opening the HDMI signal sources and connecting said signal source to said output unit in order to make the video signals from said electronic device capable of being outputted by the audio-visual device.

Description

The switch of integrated with high-resolution multimedia numerical digit coffret (HDMI)

Technical field

The present invention is relevant with switch, more detailed it, be a kind of switch of integrating some high-definition multimedia numerical digit coffrets (HDMI).

Background technology

So-called high-definition multimedia numerical digit coffret (HDMI, High Definition MultimediaInterface) (hereinafter to be referred as HDMI) is the present up-to-date image and the coffret of sound.HDMI can provide the data transmission bandwidth up to 5Gbps, can transmit audio signal and the high-res vision signal of not having compression.Need not simultaneously to transmit the line number word/analog-converted of advancing, therefore can not cause signal to disturb and decay, can guarantee that the video-audio signal of first water transmits at signal.The benefit of using HDMI is: only need a HDMI line, just can transmit video-audio signal simultaneously, the transmission of HDMI can replace traditional VIDEO news source (S terminal, aberration terminal and RGB terminal etc.) fully.HDMI becomes the New Set of digital image high image quality already.

For the consumer, the HDMI technology can not only provide image quality clearly, and because audio/video adopts same signal transmssion line, can simplify the installation of home audio-visual system, therefore have many HDMI electronic products most probably simultaneously in the family, one to two HDMI DVD player or the electronic game machine of HDMI, computer are for example arranged ... Deng, these electronic products in fact can be shared audio-visual equipment of supporting HDMI to export high image quality audio-visual.

Summary of the invention

Major technique thought of the present invention is will link many by a switch electronic product of HDMI signal source and the audio-visual equipment of at least one support HDMI are provided, and makes the shared audio-visual equipment of some HDMI electronic products.

Technical solution of the present invention:

Switch of the present invention mainly comprises: at least two input units, and each input unit connection one provides the electronic product of HDMI signal source, and this electronic product is DVD player, DVD Video Recorder, set-top box, game machine, video camera for example ... Deng; At least one output unit, the audio-visual equipment of HDMI is supported in connection one, this audio-visual equipment is plasm TV, LCD TV for example ... Deng; The HDMI signal source that one Auto-Sensing switch unit, Auto-Sensing are opened, and with input unit and above-mentioned output unit electrical communication that this signal source connected, the video-audio signal of above-mentioned electronic product is exported by above-mentioned audio-visual equipment; One power-supply unit provides above-mentioned each cell operation required power supply.

Wherein, this Auto-Sensing switch unit is set cis-position one by one with above-mentioned all input units, when a plurality of HDMI signal sources are unlocked, sets cis-position input unit formerly with preferential and this output unit electrical communication.

Perhaps, first, back order that this this HDMI signal source of Auto-Sensing switch unit Auto-Sensing is unlocked, the corresponding input unit that connects of HDMI signal source institute that the back is opened is preferentially and this output unit electrical communication.

In addition, this switch more can comprise a manual switch unit, and it provides a switch to above-mentioned each input unit, the break-make that input unit that this switch control is corresponding and above-mentioned output unit electrically connect.Preferably, this switch more comprises a mode conversion switch, and this mode conversion switch makes the Auto-Sensing switch unit of this switch and manual switchover unit, and one of them is activated.

The automatic switchover device of another kind of integrated with high-resolution multimedia numerical digit coffret of the present invention (HDMI) comprising: at least two input units, and each input unit connection one provides the electronic product of HDMI signal source; One output unit, the audio-visual equipment of HDMI is supported in connection one; One manual switch unit, it provides a switch to above-mentioned each input unit, the break-make that input unit that this switch control is corresponding and above-mentioned output unit electrically connect; One power-supply unit provides above-mentioned each cell operation required power supply.

Beneficial effect of the present invention:

Linking many with a switch provides the electronic product of HDMI signal source and the audio-visual equipment of at least one support HDMI, energy integration management HDMI electronic product, and the distribution of simplification HDMI holding wire is implemented.

Switch of the present invention has the electronic product of the HDMI signal source that Auto-Sensing opened by the user, and automatic switch-over circuit makes audio-visual equipment play the video content of this signal source automatically, for general user, has suitable ease of use.

Description of drawings

Fig. 1: the calcspar that is switch internal element of the present invention.

Fig. 2: be the block schematic diagram that switch of the present invention and some DVD player and TV link.

Fig. 3: the schematic diagram of Auto-Sensing switch unit that is switch of the present invention to force ordering logic control DVD player and TV to link.

Fig. 4: be that switch Auto-Sensing switch unit of the present invention is with the logic control DVD player of judgement signal sequence and the schematic diagram of TV binding.

Fig. 5: be the schematic diagram that switch of the present invention links with manual switchover unit controls DVD player and TV.

Fig. 6: be the square allocation plan that switch of the present invention has Auto-Sensing switch unit and manual switchover unit simultaneously.

Embodiment

As Fig. 1, switch 90 of the present invention mainly comprises:

At least two input units 20, each input unit 20 respectively connect an electronic product 21 that the HDMI signal source is provided.These electronic products are DVD player, DVD Video Recorder, set-top box, game machine, video camera for example ... Deng.

At least one output unit 30, the audio-visual equipment 31 of HDMI is supported in connection one.This audio-visual equipment is plasm TV, LCD TV for example ... Deng.

One Auto-Sensing switch unit 40, the HDMI signal source that Auto-Sensing is opened, and with input unit 20 and above-mentioned output unit 30 electrical communication that this signal source connected, the video-audio signal of above-mentioned electronic product 21 is exported by above-mentioned audio-visual equipment.

One power-supply unit 50 provides above-mentioned each cell operation required power supply.

Now for example explanation, as Fig. 2, the electronic product that the above-mentioned HDMI of providing signal source is provided is a DVD player 211,212,213; The audio-visual equipment of this support HDMI is TV 311.For ease of the explanation, we with this DVD player be stated as first, second, second player 211,212,213.This first, second, third DVD player 211,212,213 is connected to first, second, third input unit 201,202,203 of switch 90 of the present invention respectively with its HDMI holding wire.This TV 311 is connected to this output unit 30 with its HDMI holding wire.The ON if first DVD player 211 is unlocked, second, third player 212,213 cuts out OFF, above-mentioned Auto-Sensing switch unit 40 detects first input unit 201 the HDMI signal source, so with this first input unit 201 and above-mentioned output unit 30 electrical communication, so this TV 311 is play video contents of first DVD player 211 automatically.

Above-mentioned example has shown the problem that all is unlocked about a plurality of signal sources.In other words, should this TV be play the video content of which platform DVD player when the DVD player more than two or two was unlocked? automatic switchover device of the present invention provides two kinds of solutions.

First kind of solution system provides this Auto-Sensing switch unit 40 to have the ordering of pressure logic, and all input units are set cis-position, and when a plurality of input units all had signal source, setting cis-position input unit formerly will preferential and this output unit electrical communication.With above-mentioned example explanation, as Fig. 3, this pressure ordering logic is set at first, second, third cis-position respectively with first, second, third input unit 201,202,203, suppose first, second, third DVD player 211,212,213 ON that all is unlocked, when this Auto-Sensing switch unit 40 detectings first, second, third input unit 201,202,203 all has signal source, then only first input unit 201 and these output unit 30 electrical communication of first cis-position, so this TV 311 is play the video content of first DVD player 211.Unless turn off first DVD player 211, make first input unit, 201 no signal sources, so, 40 of this Auto-Sensing switch units make second input unit 202 and these output unit 30 electrical communication of second cis-position, so this TV 311 is play the video content of second DVD player 212.By that analogy.

Second kind of solution system provides this Auto-Sensing switch unit 40 to have the logic of judging signal sequence, this Auto-Sensing switch unit 40 detects the HDMI signal source that open the back, is about to the input unit of this corresponding connection of start signal source, back institute and above-mentioned output unit electrical communication.This is the design of doing according to use habit, because general user opens another DVD player again after opening a DVD player, its common meaning is the DVD player that expression wants to use the back unlatching.With above-mentioned example explanation, as Fig. 4, suppose that first DVD player 211 is unlocked earlier (first on), this Auto-Sensing switch unit 40 is with first input unit 201 and these output unit 30 electrical communication, so this TV 311 is being play the video content of first DVD player 211.If second DVD player 212 this moment also be unlocked (second on), second DVD player 212 promptly belongs to above-mentioned so-called back and opens the HDMI signal source, therefore this Auto-Sensing switch unit 40 is judged the logic of signal sequence according to it, promptly automaticallying switch makes second input unit 202 and these output unit 30 electrical communication, so this TV promptly changes the video content of playing second DVD player 212.

Switch of the present invention also can comprise a manual switch unit, corresponding each input unit of system is all set a switch, the user opens a HDMI signal source, promptly press this corresponding switch, make the pairing input unit of this switch and this output unit electrical communication, the video-audio signal of this playback equipment is exported by the audio-visual output equipment of above-mentioned HDMI.With above-mentioned example explanation, as Fig. 5, cooperate above-mentioned first, second, third DVD player 211,212,213 and output unit 30, this manual switchover unit 60 promptly comprises first switch 61, second switch 62 and the 3rd switch 63, respectively corresponding first, second, third input unit 201,202,203.When the user opens first DVD player 211, promptly need press first switch 61, first input unit 201 and this output unit 30 are electrically connected, so this TV 311 is promptly play the video content of first DVD player 211.Unless turn off first switch 61, this switch 90 no longer make other input units 202 or 203 and this output unit 30 electrically connect.

As Fig. 6, when existing simultaneously with above-mentioned Auto-Sensing switch unit 40 when manual switchover unit 60, switch of the present invention is established a mode conversion switch 70 in addition, and it is Auto-Sensing switch mode or manual switchover pattern that this mode conversion switch 70 can be selected this switch.

Though the present invention does explanation with a most preferred embodiment, be skillful in this skill person and can make various multi-form changes not breaking away under the present invention spirit and the category.Above illustrated embodiment is only in order to explanation the present invention, and is non-in order to limit the scope of the invention.Such as do not disobey various modifications or the variation that spirit of the present invention is engaged in, all belong to the present patent application claim.

Claims (6)

1. the switch of an integrated with high-resolution multimedia numerical digit coffret (HDMI), it is characterized in that: it comprises:

At least two input units (20), each input unit (20) connection one provides the electronic product (21) of HDMI signal source;

One output unit (30), the audio-visual equipment (31) of HDMI is supported in connection one;

The HDMI signal source that one Auto-Sensing switch unit (40), Auto-Sensing are unlocked, input unit (20) that this HDMI signal source is connected and above-mentioned output unit (30) electrical communication;

One power-supply unit (50) provides above-mentioned each cell operation required power supply.

2. the switch of integrated with high-resolution multimedia numerical digit coffret (HDMI) according to claim 1, it is characterized in that: this Auto-Sensing switch unit (40) is set cis-position one by one with above-mentioned all input units (20), when a plurality of HDMI signal sources are unlocked, set cis-position input unit (20) formerly with preferential and this output unit (30) electrical communication.

3. the switch of integrated with high-resolution multimedia numerical digit coffret (HDMI) according to claim 1, it is characterized in that: first, back order that this this HDMI signal source of Auto-Sensing switch unit (40) Auto-Sensing is unlocked, the corresponding input unit (20) that connects of HDMI signal source institute that the back is opened are preferentially and this output unit (30) electrical communication.

4. the switch of integrated with high-resolution multimedia numerical digit coffret (HDMI) according to claim 1, it is characterized in that: this switch more comprises a manual switch unit (60), it provides a switch (61) (62) to above-mentioned each input unit (20), the break-make that input unit (20) that this switch (61) (62) control is corresponding and above-mentioned output unit (30) electrically connect.

5. as the switch of integrated with high-resolution multimedia numerical digit coffret (HDMI) as described in the claim 4, it is characterized in that: this switch more comprises a mode conversion switch (70), and this mode conversion switch (70) makes the Auto-Sensing switch unit (40) of this switch and manual switchover unit (60), and one of them is activated.

6. the automatic switchover device of an integrated with high-resolution multimedia numerical digit coffret (HDMI), it is characterized in that: it comprises:

At least two input units (20), each input unit (20) connection one provides the electronic product (21) of HDMI signal source;

One output unit, the audio-visual equipment (31) of HDMI is supported in connection one;

One manual switch unit (60), it provides a switch (61) (62) to above-mentioned each input unit (20), the break-make that input unit (20) that this switch (61) (62) control is corresponding and above-mentioned output unit (30) electrically connect;

One power-supply unit (50) provides above-mentioned each cell operation required power supply.

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