CN203104644U - Multiplex interface device having built-in miniHDMI - Google Patents
Multiplex interface device having built-in miniHDMI Download PDFInfo
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- CN203104644U CN203104644U CN 201320041311 CN201320041311U CN203104644U CN 203104644 U CN203104644 U CN 203104644U CN 201320041311 CN201320041311 CN 201320041311 CN 201320041311 U CN201320041311 U CN 201320041311U CN 203104644 U CN203104644 U CN 203104644U
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- minihdmi
- over switch
- change over
- interface device
- analog change
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Abstract
The utility model provides a multiplex interface device having a built-in miniHDMI. The multiplex interface device comprises a miniHDMI interface, a multipath analog change-over switch, a video decoding chip and a central processing device, wherein the miniHDMI interface is connected with the multipath analog change-over switch, the multipath analog change-over switch is connected with the video decoding chip, and the central processing device is respectively connected with the multipath analog change-over switch and the video decoding chip. The multiplex interface device having a built-in miniHDMI is advantaged by small size, high integration degree and portability.
Description
[technical field]
The utility model relates to a kind of multimedia video interface field, refers in particular to the multiplex interface device of a kind of miniHDMI of carrying.
[background technology]
Along with the multimedia technology development, constantly exploitation in succession of interface in response to various multimedia demands, existing HDMI, Y/Pb/Pr and VGA video interface are comparatively common, but in playback equipment (as: projecting apparatus, TV, portable action player), multiple multimedia video interface is set and takies many spaces, cause the volume of playback equipment excessive, and cost is higher, is unfavorable for portable use.
[summary of the invention]
The technical problems to be solved in the utility model is to provide the multiplex interface device of a kind of miniHDMI of carrying, and the degree of integration height can make the playback equipment volume-diminished, be convenient for carrying, and cost is low.
The utility model is achieved in that the multiplex interface device of a kind of miniHDMI of carrying, and this multiplex interface device comprises a miniHDMI interface, a multi-channel analog change over switch, a video decoding chip and a central processing unit; Described miniHDMI interface is connected with described multi-channel analog change over switch; Described multi-channel analog change over switch is connected with described video decoding chip; Described central processing unit is connected with described multi-channel analog change over switch, video decoding chip respectively.
Preferable, the two all has an I described multi-channel analog change over switch, video decoding chip
2The C bus interface, and this multi-channel analog change over switch passes through I
2The C bus is connected with described video decoding chip.
Preferable, described multiplex interface device comprises that also a VGA changes the miniHDMI line, a YPbPr changes the miniHDMI line and a HDMI changes the miniHDMI line.
Advantage of the present utility model is: switches the various multimedia video interface of gating by the multi-channel analog change over switch and is connected, realize the purpose of integration by this, dwindle the volume of playback equipment with the miniHDMI interface, and easy to carry.
[description of drawings]
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the structural representation of the multiplex interface device of a kind of miniHDMI of carrying of the utility model.
Fig. 2 is the connection diagram of multi-channel analog change over switch and video decoding chip in the multiplex interface device of a kind of miniHDMI of carrying of the utility model.
[embodiment]
See also illustrated in figures 1 and 2ly, a kind of multiplex interface device 100 that carries miniHDMI, this multiplex interface device 100 comprise that a miniHDMI interface 1, a multi-channel analog change over switch 2, a video decoding chip 3 and a central processing unit 4(are CPU); Described miniHDMI interface 1 is connected with described multi-channel analog change over switch 2; Described multi-channel analog change over switch 2 is connected with described video decoding chip 3; Described central processing unit 4 is connected with described multi-channel analog change over switch 2, video decoding chip 3 respectively.By miniHDMI interface 1 the multimedia video signal is inserted the multi-channel analog change over switch and realize the multiplexing of HDMI, YPbPr and VGA input, tap into the multimedia video signal that comes and realize the gating of multi-channel analog change over switch by the multi-channel analog change over switch, by video decoding chip corresponding HDMI, YPbPr and VGA multimedia video signal are decoded again, wherein, multi-channel analog change over switch and the video decoding chip control of all switching and decoding by central processing unit; The height that replaces a plurality of multimedia video interfaces by a miniHDMI interface 1 is integrated, the purpose that playback equipment is dwindled in realization, and reach the purpose that is convenient for carrying, reduces cost simultaneously.
As shown in Figure 2, described multi-channel analog change over switch 2, video decoding chip 3 the two all have an I
2The C bus interface, and this multi-channel analog change over switch passes through I
2The C bus is connected with described video decoding chip.For example: the multi-channel analog change over switch by selecting TI company for use and the video decoding chip of MASTER company, and the video decoding chip of the multi-channel analog change over switch of described TI company and MASTER company the two all have I
2The C bus interface is passed through I
2The C bus interconnects transmission and stablizes conveniently, and also more universalness reaches the purpose that reduces cost.
As shown in Figure 1, described multiplex interface device 100 comprises that also a VGA changes miniHDMI line 5, a YPbPr changes miniHDMI line 6 and a HDMI changes miniHDMI line 7.Change miniHDMI line 5 by VGA, YPbPr changes miniHDMI line 6 and HDMI changes miniHDMI line 7 with picture output device (as: notebook computer, all kinds of players that have HDMI or YPbPr or VGA interface output video) multiple multimedia video interface (as: the VGA interface on, the YPbPr interface, the HDMI interface) (be that VGA changes the miniHDMI line by corresponding patchcord, YPbPr changes the miniHDMI line, HDMI changes the miniHDMI line) be connected with miniHDMI interface 1 on the multiplex interface device 100.
The utility model is when using, the multiplex interface device is arranged on the multimedia playback equipment, when the picture output device that will be loaded with the multimedia video signal when needs is play by playback equipment, be connected to this picture output device on the miniHDMI interface of playback equipment by corresponding patchcord earlier, receive the multimedia video signal by the miniHDMI interface, central processing unit is by the passage form of multi-channel analog change over switch gating corresponding to this patchcord, decode by video decoding chip again, finally this multimedia video signal is transferred to the display chip of playback equipment by central processing unit, microcontroller is finished demonstration; Multiplex interface device by a kind of miniHDMI of carrying of the utility model replaces existing HDMI, YPbPr, VGA interface, promptly can replace the multiple interfaces that originally was arranged on the playback equipment by a miniHDMI interface, degree of integration is higher, and make the volume of playback equipment littler, not only easy to carry, save multiple interfaces that cost is set is lower.
Though more than described embodiment of the present utility model; but being familiar with those skilled in the art is to be understood that; our described specific embodiment is illustrative; rather than be used for qualification to scope of the present utility model; those of ordinary skill in the art are in the modification and the variation of the equivalence of doing according to spirit of the present utility model, all should be encompassed in the scope that claim of the present utility model protects.
Claims (3)
1. multiplex interface device that carries miniHDMI, it is characterized in that: this multiplex interface device comprises a miniHDMI interface, a multi-channel analog change over switch, a video decoding chip and a central processing unit; Described miniHDMI interface is connected with described multi-channel analog change over switch; Described multi-channel analog change over switch is connected with described video decoding chip; Described central processing unit is connected with described multi-channel analog change over switch, video decoding chip respectively.
2. a kind of multiplex interface device that carries miniHDMI as claimed in claim 1 is characterized in that: the two all has an I described multi-channel analog change over switch, video decoding chip
2The C bus interface, and this multi-channel analog change over switch passes through I
2The C bus is connected with described video decoding chip.
3. a kind of multiplex interface device that carries miniHDMI as claimed in claim 1 or 2 is characterized in that: described multiplex interface device comprises that also a VGA changes the miniHDMI line, a YPbPr changes the miniHDMI line and a HDMI changes the miniHDMI line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320041311 CN203104644U (en) | 2013-01-25 | 2013-01-25 | Multiplex interface device having built-in miniHDMI |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320041311 CN203104644U (en) | 2013-01-25 | 2013-01-25 | Multiplex interface device having built-in miniHDMI |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104644U true CN203104644U (en) | 2013-07-31 |
Family
ID=48856013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320041311 Expired - Fee Related CN203104644U (en) | 2013-01-25 | 2013-01-25 | Multiplex interface device having built-in miniHDMI |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104644U (en) |
-
2013
- 2013-01-25 CN CN 201320041311 patent/CN203104644U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20150125 |
|
| EXPY | Termination of patent right or utility model |