CN202818422U - Multi-screen mobile device based on single MIPI interface - Google Patents
Multi-screen mobile device based on single MIPI interface Download PDFInfo
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- CN202818422U CN202818422U CN 201220528570 CN201220528570U CN202818422U CN 202818422 U CN202818422 U CN 202818422U CN 201220528570 CN201220528570 CN 201220528570 CN 201220528570 U CN201220528570 U CN 201220528570U CN 202818422 U CN202818422 U CN 202818422U
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Abstract
The utility model provides a multi-screen mobile device based on a single MIPI interface. The multi-screen mobile device comprises a main controller and a plurality of high-speed analog switches, wherein an MIPI signal port of the main controller is connected with an input end of the first high-speed analog switch, the first high-speed analog switch is provided with two signal output ends, each signal output end is connected with a display or an input end of one high-speed analog switch used for expansion, each output end of the high-speed analog switch for expansion is connected with an input end of one of the other high-speed analog switches for expansion or with a display, and the other high-speed analog switches for expansion are expanded continuously according to the expanding mode of the high-speed analog switch for expansion, thereby realizing the multi-screen display; and the displays are completely isolated by adopting the high-speed analog switches, the problem that the impedance is discontinuous caused by directly connecting two or more displays on the single MIPI interface is eliminated, and the multi-screen display based on the high-speed single MIPI interface is realized.
Description
Technical field
The utility model relates to the mobile communication equipment technical field, relates in particular to a kind of multi-screen mobile device based on mobile phone list MIPI interface.
Background technology
Along with the development of electronics, the communication technology, the application of mobile phone in people's daily life is increasingly extensive; People are more and more higher to the mobile phone screen request, and high such as resolution, refresh rate is fast, and transmitted data amount is increasing, therefore need high-speed interface.MIPI interface (Mobile Industry Processor Interface, mobile industry processor interface) has the high characteristics of speed, therefore is widely used on existing single screen smart mobile phone.
Now widely used mobile phone substantially all is the large-size screen monitors touch-control mobile phone, yet large screen mobile phone is only with a screen.Along with novel mobile phone shows development to double screen, cell phone platform CPU only has single MIPI port.Just can not be directly connected to one road MIPI interface at CPU place on two high speed LCD in this case, can cause the discontinuous of impedance because do like this, thereby cause two LCD all can not work.
Summary of the invention
For the problems referred to above, the utility model provides a kind of multi-screen mobile device based on single MIPI interface that single MIPI interface of mobile phone is expanded, and realizes that the double screen of mobile phone even the switching of multi-screen show.
To achieve these goals, the technical solution adopted in the utility model is as follows: based on the multi-screen mobile device of single MIPI interface, comprise master controller, it is characterized in that, also comprise some high-speed analog switchs, the MIPI signal port of described master controller is connected with the input of the first high-speed analog switch, this first high-speed analog switch is provided with the two paths of signals output, every road signal output part is connected or expands the input connection of the high-speed analog switch of usefulness with a display, the every road of the high-speed analog switch output of this expansion usefulness is connected with input or a display of a high-speed analog switch of other expansion usefulness, and other high-speed analog switchs of expansion usefulness are constantly expanded according to the high-speed analog switch extended mode of above-mentioned expansion usefulness.
Described high-speed analog switch all is provided with 6 path multiplexers and is used for the on-off controller of control 6 path multiplexers, and the trigger control end of described on-off controller is used for receiving triggering signal and controls the action of 6 path multiplexers.
Multi-screen mobile device based on single MIPI interface, comprise master controller, described master controller has the MIPI signal port, it is characterized in that, the MIPI signal port of described master controller is connected with the input of high-speed analog switch, this high-speed analog switch is provided with the two paths of signals output, and the two paths of signals output is connected with a display respectively.Good effect of the present utility model:
Multi-screen mobile device based on single MIPI interface of the present utility model, adopt high-speed analog switch that existing single MIPI interface is extended to two-way output, output port after the expansion can be proceeded expansion or/and display connects shows as input signal, two output ports after the expansion also can both use high-speed analog switch to expand or/and be connected with showing, have so realized multihead display.
Adopt a plurality of displays to show, the on-off controller of high-speed analog switch can both receive triggering signal, and when receiving triggering signal, on-off controller switches the switch of multiplexer, realizes the demonstration handoff functionality of display.
Adopt high-speed analog switch to isolate fully between each display, stopped directly on single MIPI interface, directly to connect the problem of the impedance discontinuity that two and above display bring, realized based on single MIPI interface at a high speed to screen display.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is high-speed analog switch internal logic figure of the present utility model;
Fig. 3 is the schematic block circuit diagram of Double-screen flip cell phone.
Embodiment
Below in conjunction with specific embodiment the utility model is described in further detail.
As shown in Figure 1, multi-screen mobile device based on single MIPI interface, comprise master controller 1 and some high-speed analog switchs, the MIPI signal port of described master controller 1 is connected with the input of the first high-speed analog switch, this first high-speed analog switch is provided with the two paths of signals output, every road signal output part is connected or expands the input connection of the high-speed analog switch of usefulness with a display, the every road of the high-speed analog switch output of this expansion usefulness is connected with input or a display of a high-speed analog switch of other expansion usefulness, and other high-speed analog switchs of expansion usefulness can constantly be expanded according to the high-speed analog switch extended mode of above-mentioned expansion usefulness.
As shown in Figure 2, high-speed analog switch all is provided with 6 path multiplexers and is used for the on-off controller 3 of control 6 path multiplexers, and the trigger control end of on-off controller 3 is used for receiving triggering signal and controls the action of 6 path multiplexers, carries out output switching.
Multi-screen mobile device based on single MIPI interface of the present utility model, adopt high-speed analog switch that existing single MIPI interface is extended to two-way output, output port after the expansion can be proceeded expansion or/and display connects shows as input signal, two output ports after the expansion also can both use high-speed analog switch to expand or/and be connected with showing, have so realized multihead display.
Adopt a plurality of displays to show, the on-off controller of high-speed analog switch can both receive triggering signal, and when receiving triggering signal, on-off controller switches the switch of multiplexer, realizes the demonstration handoff functionality of display.
Adopt high-speed analog switch to isolate fully between each display, stopped directly on single MIPI interface, directly to connect the problem of the impedance discontinuity that two and above display bring, realized based on single MIPI interface at a high speed to screen display.
As shown in Figure 3, single MIPI interface of master controller 1 is connected with the input of a high-speed analog switch, and two outputs of this high-speed analog switch all are connected with respectively a display 2.Double-screen flip cell phone is respectively arranged with a display 2 in the both sides of renovating.Do not open when renovating when mobile phone, shown by outer screen display.In the time of cellular phone flip, the on-off controller 3 of high-speed analog switch receives renovates triggering signal, and control high-speed analog switch toggle screen shows to interior screen display.
Above-described embodiment of the present utility model only is to be explanation the utility model example, and is not to be restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make on the basis of the above description other multi-form variation and changes.Here can't give all execution modes exhaustive.Everyly belong to the row that apparent variation that the technical solution of the utility model amplifies out or change still are in protection range of the present utility model.
Claims (3)
1. based on the multi-screen mobile device of single MIPI interface, comprise master controller (1), it is characterized in that, also comprise some high-speed analog switchs, the MIPI signal port of described master controller (1) is connected with the input of the first high-speed analog switch, this first high-speed analog switch is provided with the two paths of signals output, every road signal output part is connected or expands the input connection of the high-speed analog switch of usefulness with a display, the every road of the high-speed analog switch output of this expansion usefulness is connected with input or a display of a high-speed analog switch of other expansion usefulness, and other high-speed analog switchs of expansion usefulness are constantly expanded according to the high-speed analog switch extended mode of above-mentioned expansion usefulness.
2. the multi-screen mobile device based on single MIPI interface according to claim 1, it is characterized in that, described high-speed analog switch all is provided with 6 path multiplexers and is used for the on-off controller (3) of control 6 path multiplexers, and the trigger control end of described on-off controller (3) is used for receiving triggering signal and controls the action of 6 path multiplexers.
3. based on the multi-screen mobile device of single MIPI interface, comprise master controller (1), described master controller (1) has the MIPI signal port, it is characterized in that, the MIPI signal port of described master controller (1) is connected with the input of high-speed analog switch, this high-speed analog switch is provided with the two paths of signals output, and the two paths of signals output is connected with a display respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220528570 CN202818422U (en) | 2012-10-16 | 2012-10-16 | Multi-screen mobile device based on single MIPI interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220528570 CN202818422U (en) | 2012-10-16 | 2012-10-16 | Multi-screen mobile device based on single MIPI interface |
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| Publication Number | Publication Date |
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| CN202818422U true CN202818422U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220528570 Expired - Fee Related CN202818422U (en) | 2012-10-16 | 2012-10-16 | Multi-screen mobile device based on single MIPI interface |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018086438A1 (en) * | 2016-11-11 | 2018-05-17 | 深圳市道通智能航空技术有限公司 | Multi-path connection structure for mipi interface |
| CN110300221A (en) * | 2019-05-20 | 2019-10-01 | 努比亚技术有限公司 | MIPI control circuit and system, circuit control and circuit system control method |
| US10602119B1 (en) | 2019-05-20 | 2020-03-24 | A & L Canada Laboratories Inc. | System and method for multiplexing MIPI multispectral imaging devices |
| CN117075835A (en) * | 2023-10-12 | 2023-11-17 | 荣耀终端有限公司 | Display device, display method, electronic equipment and storage medium |
-
2012
- 2012-10-16 CN CN 201220528570 patent/CN202818422U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018086438A1 (en) * | 2016-11-11 | 2018-05-17 | 深圳市道通智能航空技术有限公司 | Multi-path connection structure for mipi interface |
| CN110300221A (en) * | 2019-05-20 | 2019-10-01 | 努比亚技术有限公司 | MIPI control circuit and system, circuit control and circuit system control method |
| US10602119B1 (en) | 2019-05-20 | 2020-03-24 | A & L Canada Laboratories Inc. | System and method for multiplexing MIPI multispectral imaging devices |
| CN117075835A (en) * | 2023-10-12 | 2023-11-17 | 荣耀终端有限公司 | Display device, display method, electronic equipment and storage medium |
| CN117075835B (en) * | 2023-10-12 | 2024-03-26 | 荣耀终端有限公司 | Display device, display method, electronic equipment and storage medium |
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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: 20130320 Termination date: 20151016 |
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| EXPY | Termination of patent right or utility model |