CN104850522B - A kind of signal output method and device - Google Patents
A kind of signal output method and device Download PDFInfo
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- CN104850522B CN104850522B CN201510316011.5A CN201510316011A CN104850522B CN 104850522 B CN104850522 B CN 104850522B CN 201510316011 A CN201510316011 A CN 201510316011A CN 104850522 B CN104850522 B CN 104850522B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
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Abstract
This application provides a kind of signal output method and devices, if the first electronic equipment detects attachable second electronic equipment, first electronic equipment judges the function of the second electronic equipment, obtain judging result, during the first electronic equipment judges the function of the second electronic equipment, first electronic equipment keeps output signal, in the case where judging result shows that the second electronic equipment is output equipment, first electronic equipment exports the output signal of itself by the second electronic equipment, in the case where judging result shows that the second electronic equipment is input equipment, first electronic equipment exports the output signal of second electronic equipment.Because the first electronic equipment keeps output signal during judging the function of the second electronic equipment, so, the signal of the first electronic equipment can be maintained to export and do not interrupted, to promote the usage experience of user.
Description
Technical field
This application involves electronic information field more particularly to a kind of signal output methods and device.
Background technique
With the development of electronic equipment, an electronic equipment can be used as not in the case where external other electronic equipments
Same purposes.Specifically, the first electronic equipment has central processing unit and output module (such as display), can connect another
One input equipment (such as display), the first electronic equipment is as host, at two output equipments (or external output equipment)
Upper output signal.Alternatively, the first electronic equipment connects the second electronic equipment, the second electronic equipment is set as host, the first electronics
For as output equipment) export the signal that the second electronic equipment exports.
Realize above functions, after the first electronic equipment is connect with external connected electronic equipment, the first electronic equipment needs elder generation
The function (being output equipment or host) of determining external connected electronic equipment just can determine that is set as host or output
It is standby.In the prior art, during the first electronic equipment determines the function of external connected electronic equipment, the output of the first electronic equipment
Signal is in interrupt status, for example, the first electronic equipment is in black state.
As it can be seen that in the prior art, during the first electronic equipment connects the second electronic equipment, it may appear that because signal is defeated
The problem interrupted out and cause the usage experience of user bad.
Summary of the invention
This application provides a kind of signal output method and devices, it is therefore intended that solves to connect second in the first electronic equipment
During electronic equipment, because signal exports the problem for causing the usage experience of user bad due to interruption.
To achieve the goals above, this application provides following technical schemes:
A kind of signal output method, comprising:
If the first electronic equipment detects that attachable second electronic equipment, first electronic equipment judge described
The function of two electronic equipments, obtains judging result, judges the function of second electronic equipment in first electronic equipment
In the process, first electronic equipment keeps output signal；
If the judging result shows that second electronic equipment is output equipment, first electronic equipment passes through institute
The output signal that the second electronic equipment exports itself is stated, if the judging result shows that second electronic equipment sets for input
Standby, first electronic equipment exports the output signal of second electronic equipment.
Optionally, first electronic equipment keep include: to user's output signal
The signal that first electronic equipment exports the main path signal of first passage as first electronic equipment, institute
State the output signal that first passage is used for transmission first electronic equipment itself.
Optionally, first electronic equipment judges the function of second electronic equipment, obtains judging result and includes:
First electronic equipment obtains the configuration parameter of second electronic equipment by the bypass of the first passage,
The configuration parameter is used to indicate the function of second electronic equipment；
First electronic equipment determines the function of second electronic equipment, is judged according to the configuration parameter
As a result.
Optionally, first electronic equipment includes output switch and output module, the output of the output switch
Input signal of the signal as the output module, the first passage of the output switch are used for transmission first electronics and set
Standby output signal, the second channel of the output switch are used for transmission the configuration of the external equipment of first electronic equipment
Parameter；
The signal packet that first electronic equipment exports the main path signal of first passage as first electronic equipment
It includes:
The output switch is switched to the first passage by first electronic equipment, and by the first passage
Output signal of the main path signal as the output switch；
First electronic equipment obtains the configuration parameter of second electronic equipment by the bypass of the first passage
Include:
The output switch is maintained the first passage by first electronic equipment, and uses the first passage
Bypass the configuration parameter of second electronic equipment is obtained from the video card of first electronic equipment.
Optionally, first electronic equipment detects that the process of attachable second electronic equipment includes:
Whether simultaneous first electronic equipment after the connection request of equipment, detects itself on detecting second idea
Hold second electronic equipment；
In the case where first electronic equipment determines that itself is compatible with second electronic equipment, confirmly detecting can connect
The second electronic equipment connect.
A kind of signal output apparatus is applied in the first electronic equipment, comprising:
Judgment module, if judging the function of second electronic equipment for detecting attachable second electronic equipment
Can, obtain judging result；
Signal keeps module, for keeping output signal during judging the function of second electronic equipment；
Function switch module passes through if showing that second electronic equipment is output equipment for the judging result
Second electronic equipment exports the output signal of itself, if the judging result shows second electronic equipment for input
Equipment exports the output signal of second electronic equipment.
Optionally, the signal keeps module to be used for during judging the function of second electronic equipment, keeps
Output signal includes:
The signal keeps module to be specifically used for, and exports the main path signal of first passage as first electronic equipment
Signal, the first passage is used for transmission the output signal of first electronic equipment itself.
Optionally, if the judgment module judges second electricity for detecting attachable second electronic equipment
The function of sub- equipment, obtaining judging result includes:
The judgment module is specifically used for, and the configuration of second electronic equipment is obtained by the bypass of the first passage
Parameter, the configuration parameter are used to indicate the function of second electronic equipment；And according to the configuration parameter, described is judged
The function of two electronic equipments, obtains judging result.
Optionally, first electronic equipment includes output switch and output module, the output of the output switch
Input signal of the signal as the output module, the first passage of the output switch are used for transmission first electronics and set
Standby output signal, the second channel of the output switch are used for transmission the configuration of the external equipment of first electronic equipment
Parameter；
The letter that the signal keeps module to be used to export the main path signal of first passage as first electronic equipment
Number include:
The signal keeps module to be specifically used for, using the main path signal of the first passage of the output switch as
The output switch is sent to the output signal of the output module；
The judgment module is used to obtain the configuration parameter of second electronic equipment by the bypass of the first passage
Include:
The judgment module is specifically used for, and the output switch is maintained the first passage, and uses described the
The bypass in one channel obtains the configuration parameter of second electronic equipment from the video card of first electronic equipment.
Optionally, further includes:
Connecting detection module, for detecting attachable second electronic equipment according to following procedure: detecting described the
In two ideas after the connection request of equipment, detect whether first electronic equipment is compatible with second electronic equipment；In determination
In the case where compatible second electronic equipment of first electronic equipment, attachable second electronic equipment is confirmly detected.
Signal output method and device described herein, if the first electronic equipment detects attachable second electronics
Equipment, the first electronic equipment judge the function of the second electronic equipment, obtain judging result, judge the second electricity in the first electronic equipment
During the function of sub- equipment, the first electronic equipment keeps output signal, shows that the second electronic equipment is defeated in judging result
Out in the case where equipment, the first electronic equipment exports the output signal of itself by the second electronic equipment, shows in judging result
In the case that second electronic equipment is input equipment, the first electronic equipment exports the output signal of second electronic equipment.Cause
For during judging the function of the second electronic equipment, the first electronic equipment keeps output signal, so, first can be maintained
The signal output of electronic equipment is not interrupted, to promote the usage experience of user.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow chart of signal output method disclosed in the embodiment of the present application；
Fig. 2 is the block diagram of all-in-one machine disclosed in the embodiment of the present application；
Fig. 3 is the flow chart of another signal output method disclosed in the embodiment of the present application；
Fig. 4 is a kind of structural schematic diagram of signal output apparatus disclosed in the embodiment of the present application；
Fig. 5 is the connection relationship diagram of the component of signal output apparatus disclosed in the embodiment of the present application and all-in-one machine.
Specific embodiment
The embodiment of the present application discloses a kind of signal output method and device, can be using in the electronic device, the electricity
Sub- equipment has the function of connection external equipment, and outside connection external equipment, the electronic equipment can be used for different functions,
Such as show equipment or host.Method and device described in the present embodiment, it is therefore intended that realize and judge in the electronic equipment
During itself function, the lasting output of signal is kept, in order to which user can obtain output signal always, to promote use
The usage experience at family.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
A kind of signal output method disclosed in the embodiment of the present application, as shown in Figure 1, comprising the following steps:
S101: if the first electronic equipment detects that attachable second electronic equipment, the first electronic equipment judge second
The function of electronic equipment, obtains judging result；
S102: during the first electronic equipment judges the function of the second electronic equipment, the first electronic equipment keeps defeated
Signal out；
That is, the first electronic equipment in the case where having not determined the function of the second electronic equipment, keeps itself holding
Continuous output signal, in the case, if user is obtaining signal from the first electronic equipment before, it is current or can continue from
First electronic equipment obtains signal.
S103: if the judging result shows that second electronic equipment is output equipment, first electronic equipment
The output signal of itself is exported by second electronic equipment；
S104: if the judging result shows that second electronic equipment is input equipment, first electronic equipment
Export the output signal of second electronic equipment.
For example, in the case where the first electronic equipment determines that the second electronic equipment is display, the first electronic equipment conduct
Host outputs signal to the second electronic equipment, and the second electronic equipment shows its output signal, alternatively, determining in the first electronic equipment
In the case that second electronic equipment is host, the first electronic equipment is defeated by the control module for no longer showing itself as display
Signal out, but the signal of the second electronic equipment output is received, and show this signal.
From above procedure as can be seen that method described in the present embodiment, sets in the first electronic equipment connection external connected electronic
It is standby, and the function according to the second electronic equipment, during the function of determining itself, the first electronic equipment keeps output signal,
User is allowed uninterruptedly to obtain output signal, with existing electronic equipment after connecting external equipment, the blank screen of appearance is existing
As comparing, the usage experience of user can be effectively promoted.
Another signal output method disclosed in the embodiment of the present application, specifically, method described in the present embodiment can answer
With on all-in-one machine, as shown in Fig. 2, part related to the present embodiment in the component of all-in-one machine include: output switch 201 with
And the output module 202 being connected with output switch 201.Wherein, the output signal of output switch 201 is as output module
202 input signal.
Specifically, output switch can be video switcher, can connect two paths of signals transmission channel, i.e., first is logical
Road and second channel, each transmission channel include main road and bypass.First passage (main road GPU_eDU IN_main
Link, bypass GPU_eDU IN_Aux+/-) it is used for transmission the output signal of the first electronic equipment (i.e. all-in-one machine), second channel
(main road HDMI_IN_main link, bypass HDMI_IN_Aux+/-) it is used for transmission the outer of the first electronic equipment (i.e. all-in-one machine)
Connect the configuration parameter of equipment.Output module 202 can be display.
As shown in figure 3, method described in the present embodiment the following steps are included:
S301: all-in-one machine detects after the connection request for detecting external connected electronic equipment and itself whether is compatible with this external electricity
Sub- equipment, if so, S302 is executed, if it is not, then terminating；
Specifically, after the connection request of external connected electronic equipment can connect for external connected electronic equipment with all-in-one machine, sending
Request signal.
S302: all-in-one machine confirmly detects external connected electronic equipment；
S303: all-in-one machine obtains the configuration parameter of external connected electronic equipment by the bypass of first passage；
Specifically, output switch can be maintained first passage by all-in-one machine, and using the bypass of first passage from certainly
The video card of body obtains the configuration parameter of external connected electronic equipment.
Wherein, the configuration parameter is used to indicate the function of this external electronic equipment, i.e., this external electronic equipment is host
Or output equipment (such as display).
S304: all-in-one machine judges the function of external connected electronic equipment, obtains judging result according to the configuration parameter；
Execution S305 synchronous with above-mentioned S304 and S305: all-in-one machine makees the main path signal of the first passage of output switch
For the output signal for being sent to output module；
Because first passage is used for transmission the output signal of all-in-one machine, in the present embodiment, judging that external connected electronic sets
While standby function, all-in-one machine keeps the output signal of itself to pass through output module exporting.
S306: it is based on above-mentioned judging result, all-in-one machine determines the function of itself, and responds；
Specifically, if external connected electronic equipment is output equipment, all-in-one machine exports the defeated of itself by this external equipment
Signal out, i.e. all-in-one machine keep the output signal of the first passage of output switch, are believed this output by external connected electronic equipment
Number output；If external equipment is input equipment (such as host), all-in-one machine exports the output signal of this external electronic equipment,
That is the output module of all-in-one machine receives and exports the output signal of external connected electronic equipment.
In the prior art, because all-in-one machine needs to judge the function of external connected electronic equipment, and because output switch needs
The configuration parameter of external connected electronic equipment is obtained by second channel, so, the connection of output switch and first passage is cut
It is disconnected, and video switcher is switched to second channel, so, all-in-one machine during judging the function of external connected electronic equipment, with
And before being responded according to the function of external connected electronic equipment, because the connection of first passage and output switch is cut off, and
And the Unknown Function of external connected electronic equipment, so, the output of all-in-one machine can be interrupted.
For example, all-in-one machine, during exporting video by display, video switcher is received by first passage and is regarded
Frequency signal, and vision signal is shown by display.At this point, if all-in-one machine is connect with external connected electronic equipment, all-in-one machine
Need to detect the function of external connected electronic equipment, therefore, video switcher will be switched to second channel from first passage, so, the
The output signal in one channel cannot be shown device and show, and the Unknown Function of external connected electronic equipment at this time, so, all-in-one machine without
Method determines output signal, and therefore, the display of all-in-one machine understands blank screen, and the usage experience that this will lead to user is bad.
And method described in the present embodiment is used, and while all-in-one machine judges the function of external connected electronic equipment, all-in-one machine
The output for keeping the main path signal of the first passage of video switcher, and is shown by display, although video switcher and the
One channel is not turned off connection, that is, does not switch to second channel, and still, video switcher is obtained outer by the bypass of first passage
Connect the configuration parameter of electronic equipment.As it can be seen that method described in the present embodiment, in the configuration that can normally obtain external connected electronic equipment
In the case where parameter, additionally it is possible to keep the output of vision signal not interrupt, i.e., user judges external connected electronic equipment for all-in-one machine
Function this process be unaware, to improve the usage experience of user.
With above method embodiment correspondingly, the embodiment of the present application also discloses a kind of signal output apparatus, such as Fig. 4 institute
Show, comprising:
Judgment module 401, if judging second electronic equipment for detecting attachable second electronic equipment
Function obtains judging result；
Signal keeps module 402, for during judging the function of second electronic equipment, keeping output letter
Number；
Function switch module 403 is led to if showing that second electronic equipment is output equipment for the judging result
The output signal that second electronic equipment exports itself is crossed, if the judging result shows that second electronic equipment is defeated
Enter equipment, exports the output signal of second electronic equipment.
Specifically, the first electronic equipment can be integrated machine, and component may include structure as shown in Figure 2, in this feelings
Under condition, specifically, if judgment module detects attachable second electronic equipment, the function of second electronic equipment is judged
Can, the specific implementation for obtaining judging result can be with are as follows: obtains second electronics by the bypass of the first passage and sets
Standby configuration parameter, the configuration parameter are used to indicate the function of second electronic equipment；And according to the configuration parameter, sentence
Break the function of second electronic equipment, obtains judging result.Further, judgment module maintains the output switch
The first passage, and second electronics is obtained from the video card of first electronic equipment using the bypass of the first passage
The configuration parameter of equipment.
Specifically, signal keeps module during judging the function of second electronic equipment, keeps output signal
Specific implementation can be with are as follows: the signal for exporting the main path signal of first passage as first electronic equipment, it is described
First passage is used for transmission the output signal of first electronic equipment itself.Further, signal keeps module will be described defeated
The main path signal of the first passage of switch is sent to the output letter of the output module as the output switch out
Number.
Further, device described in the present embodiment can also include: connecting detection module 404, for according to following mistake
Journey detects attachable second electronic equipment: on detecting second idea after the connection request of equipment, detecting described the
Whether one electronic equipment is compatible with second electronic equipment；Determining compatible second electronic equipment of first electronic equipment
In the case where, confirmly detect attachable second electronic equipment.
Device described in the present embodiment, the connection relationship with component shown in Fig. 2 can be as shown in Figure 5.
Device described in the present embodiment, in the configuration for enabling the first electronic equipment normally to obtain external connected electronic equipment
In the case where parameter, additionally it is possible to keep the output of vision signal not interrupt, to improve the usage experience of user.
If function described in the embodiment of the present application method is realized in the form of SFU software functional unit and as independent production
Product when selling or using, can store in a storage medium readable by a compute device.Based on this understanding, the application is real
The part for applying a part that contributes to existing technology or the technical solution can be embodied in the form of software products,
The software product is stored in a storage medium, including some instructions are used so that a calculating equipment (can be personal meter
Calculation machine, server, mobile computing device or network equipment etc.) execute each embodiment the method for the application whole or portion
Step by step.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), with
Machine accesses various Jie that can store program code such as memory (RAM, Random Access Memory), magnetic or disk
Matter.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of signal output method characterized by comprising
If the first electronic equipment detects that attachable second electronic equipment, first electronic equipment judge second electricity
The function of sub- equipment, obtains judging result, judges the process of the function of second electronic equipment in first electronic equipment
In, first electronic equipment keeps output signal；
If the judging result shows that second electronic equipment is output equipment, first electronic equipment passes through described the
Two electronic equipments export the output signal of itself, if the judging result shows that second electronic equipment is input equipment,
First electronic equipment exports the output signal of second electronic equipment.
2. the method according to claim 1, wherein first electronic equipment is kept to user's output signal packet
It includes:
The signal that first electronic equipment exports the main path signal of first passage as first electronic equipment, described
One channel is used for transmission the output signal of first electronic equipment itself.
3. according to the method described in claim 2, it is characterized in that, first electronic equipment judges second electronic equipment
Function, obtaining judging result includes:
First electronic equipment obtains the configuration parameter of second electronic equipment by the bypass of the first passage, described
Configuration parameter is used to indicate the function of second electronic equipment；
First electronic equipment judges the function of second electronic equipment, obtains judging result according to the configuration parameter.
4. according to the method in claim 2 or 3, which is characterized in that first electronic equipment include output switch and
Output module, input signal of the output signal of the output switch as the output module, the output switch
First passage is used for transmission the output signal of first electronic equipment, and the second channel of the output switch is used for transmission institute
State the configuration parameter of the external equipment of the first electronic equipment；
The signal that the main path signal of first passage is exported as first electronic equipment includes: by first electronic equipment
First electronic equipment switches the main path signal of the first passage of the output switch as the output
Device is sent to the output signal of the output module；
First electronic equipment includes: by the configuration parameter that the bypass of the first passage obtains second electronic equipment
The output switch is maintained the first passage by first electronic equipment, and uses the auxiliary of the first passage
Road obtains the configuration parameter of second electronic equipment from the video card of first electronic equipment.
5. method according to any one of claims 1 to 3, which is characterized in that first electronic equipment detects and can connect
The process of the second electronic equipment connect includes:
Whether first electronic equipment detects described in itself being compatible with after the connection request for detecting second electronic equipment
Second electronic equipment；
In the case where first electronic equipment determines that itself is compatible with second electronic equipment, confirmly detect attachable
Second electronic equipment.
6. a kind of signal output apparatus is applied in the first electronic equipment characterized by comprising
Judgment module, if judging the function of second electronic equipment for detecting attachable second electronic equipment, obtaining
To judging result；
Signal keeps module, for keeping output signal during judging the function of second electronic equipment；
Function switch module, if showing that second electronic equipment is output equipment for the judging result, by described
Second electronic equipment exports the output signal of itself, if the judging result shows that second electronic equipment sets for input
It is standby, export the output signal of second electronic equipment.
7. device according to claim 6, which is characterized in that the signal keeps module to be used to judge second electricity
During the function of sub- equipment, holding output signal includes:
The signal keeps module to be specifically used for, the letter that the main path signal of first passage is exported as first electronic equipment
Number, the first passage is used for transmission the output signal of first electronic equipment itself.
8. device according to claim 7, which is characterized in that if the judgment module is for detecting attachable the
Two electronic equipments judge the function of second electronic equipment, and obtaining judging result includes:
The judgment module is specifically used for, and is joined by the configuration that the bypass of the first passage obtains second electronic equipment
Number, the configuration parameter are used to indicate the function of second electronic equipment；And according to the configuration parameter, described second is judged
The function of electronic equipment, obtains judging result.
9. device according to claim 7 or 8, which is characterized in that first electronic equipment include output switch and
Output module, input signal of the output signal of the output switch as the output module, the output switch
First passage is used for transmission the output signal of first electronic equipment, and the second channel of the output switch is used for transmission institute
State the configuration parameter of the external equipment of the first electronic equipment；
The signal packet that the signal keeps module to be used to export the main path signal of first passage as first electronic equipment
It includes:
The signal keeps module to be specifically used for, using the main path signal of the first passage of the output switch as described in
Output switch is sent to the output signal of the output module；
The configuration parameter that the judgment module is used to obtain second electronic equipment by the bypass of the first passage includes:
The judgment module is specifically used for, and the output switch is maintained the first passage, and logical using described first
The bypass in road obtains the configuration parameter of second electronic equipment from the video card of first electronic equipment.
10. according to the described in any item devices of claim 6 to 8, which is characterized in that further include:
Connecting detection module, for detecting attachable second electronic equipment according to following procedure: detecting second electricity
After the connection request of sub- equipment, detect whether first electronic equipment is compatible with second electronic equipment；Determining described
In the case where compatible second electronic equipment of one electronic equipment, attachable second electronic equipment is confirmly detected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316011.5A CN104850522B (en) | 2015-06-10 | 2015-06-10 | A kind of signal output method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316011.5A CN104850522B (en) | 2015-06-10 | 2015-06-10 | A kind of signal output method and device |
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| CN104850522A CN104850522A (en) | 2015-08-19 |
| CN104850522B true CN104850522B (en) | 2018-12-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106610912A (en) * | 2016-12-23 | 2017-05-03 | 努比亚技术有限公司 | Signal generation method and equipment |
| CN110069100B (en) * | 2019-03-29 | 2020-10-27 | 联想(北京)有限公司 | Electronic equipment |
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| CN101714071A (en) * | 2008-10-08 | 2010-05-26 | 英业达股份有限公司 | Switching method of picture output device |
| CN102541768A (en) * | 2010-12-21 | 2012-07-04 | 联想(北京)有限公司 | Mobile terminal, state shifting method and display method |
| CN103458292A (en) * | 2013-08-30 | 2013-12-18 | 小米科技有限责任公司 | Method and device for displaying video data of input source |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013002547A2 (en) * | 2011-06-30 | 2013-01-03 | 주식회사 케이티 | Portable terminal capable of docking with an external device and method for controlling same |
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- 2015-06-10 CN CN201510316011.5A patent/CN104850522B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101714071A (en) * | 2008-10-08 | 2010-05-26 | 英业达股份有限公司 | Switching method of picture output device |
| CN102541768A (en) * | 2010-12-21 | 2012-07-04 | 联想(北京)有限公司 | Mobile terminal, state shifting method and display method |
| CN103458292A (en) * | 2013-08-30 | 2013-12-18 | 小米科技有限责任公司 | Method and device for displaying video data of input source |
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| CN104850522A (en) | 2015-08-19 |
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