CN105592348A - Automatic switching method for screen transmission signals and screen transmission signal receiver - Google Patents
Automatic switching method for screen transmission signals and screen transmission signal receiver Download PDFInfo
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Abstract
The invention provides an automatic switching method for screen transmission signals and equipment. The method comprises: whether a screen transmission signal exists is monitored in real time; if so, the screen transmission signal is obtained and is sent to a television set; and if not, a second signal is obtained and is sent to the television set. According to the technical scheme, switching of a television signal source is not required during screen transmission. During the screen transmission establishment and completion process, the user does not need to carry out tedious operations on the television set, so that the user experience is improved; and a screen transmission receiver can be connected and a cable television signal can be provided simultaneously only by occupying one television interface without the need to add any other interface.
Description
Technical field
The invention belongs to the communications field, relate in particular to a kind of screen signal automatic switching method and equipment of passing.
Background technology
At present, on market, most television sets itself are not supported wireless biography screen receiving function, so,In the time of the wireless biography screen of needs, need external wireless biography screen receiver; While not needing wireless biography screen, TVGenerally need the TV signal of the equipment such as receiving set up box. Wireless biography screen receiver generally passes through HDMI(HighDefinitionMultimediaInterface, HDMI) and television set phaseConnect, send the biography screen contents such as audio frequency and video to TV, and newer Set Top Box is also to pass through HDMI at presentGive transmission of television cable TV signal, so general each biography screen starts while using tradition to pass screen receiverAll need to switch TV signal source and shield to passing the HDMI that receiver connects, pass when screen finishes and switch back againThe HDMI that the miscellaneous equipments such as Set Top Box connect, very inconvenient. And some TV only has 1 HDMI,Just be difficult to junctor top box and biography screen receiver simultaneously, this plugs HDMI's while just needing each biography screenData wire.
Summary of the invention
In view of this, to pass screen receiver and need take the HDMI of TV in order to overcome, and need while passing screenSwitch the problem of TV signal source, the object of the invention is to propose a kind of screen signal automatic switching method that passes,Allow user not need to switch TV signal source operation passing when screen, also do not need to take TV moreHDMI. For there is to a basic understanding some aspects of the embodiment disclosing, provide letter belowSingle summary. This summary part is not to comment general, neither determine key/critical componentOr describe the protection domain of these embodiment. Its sole purpose is to present some concepts by simple form,Preamble using this as following detailed description.
In some optional embodiments, described method, comprising:
The biography screen request that first equipment that receives sends, and build with described the first equipment according to this biography screen requestStand the connection for passing screen;
Successfully setting up after described connection, disconnect current receive by input port from the second equipmentCable TV signal, switches to described the first equipment by signal source; Described cable TV signal is by defeatedOutlet sends TV to;
The biography screen signal that first equipment that receives sends, and by described delivery outlet, this biography is shielded to signal transmissionGive described TV.
Another object of the present invention is to propose a kind of screen signal automatic switching apparatus that passes.
In some optional embodiments, described equipment, comprising:
Pass screen signal receiving unit, secondary signal receiving element, output interface and selector;
Pass screen signal receiving unit, in the time there is biography screen signal, receive this biography screen signal;
Secondary signal receiving element, for receiving secondary signal;
Output interface, is connected with television set, for described biography screen signal or described secondary signal are sentGive this television set;
Selector, respectively with described biography screen signal receiving unit, secondary signal receiving element and outputInterface is connected, and whether has the input of described biography screen signal for passing screen signal receiving unit described in Real-Time Monitoring;If so, obtain this biography screen signal, and this biography screen signal is sent to described output interface; If not,Obtain the described secondary signal that described secondary signal receiving element receives, and this secondary signal is sentTo described output interface.
Adopt above-described embodiment, can reach following effect:
Passing when screen does not need to switch TV signal source, pass that screen is set up and the process that finishes in, user withoutTelevision set is carried out to numerous and diverse operation, promote user and experience;
Television set is without setting up other interface, and the interface that only takies a television set can access biography simultaneouslyScreen receiver and the equipment that cable TV signal is provided, as Set Top Box.
For above-mentioned and relevant object, after comprising, one or more embodiment will describe in detail alsoThe feature particularly pointing out in the claims. Explanation below and accompanying drawing describe that some is exemplary in detailAspect, and its instruction is only one in the utilizable variety of way of principle of each embodimentA little modes. Other benefit and novel features the detailed description along with is below considered by reference to the accompanying drawings andBecome obviously, the disclosed embodiments are to comprise being equal to of all these aspects and they.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application'sPart, schematic description and description of the present invention is used for explaining the present invention, does not form thisBright improper restriction. In the accompanying drawings:
Fig. 1 shows a kind of overall flow that passes screen signal automatic switching method of the embodiment of the present invention and showsIntention;
Fig. 2 shows in the embodiment of the present invention, passes screen receiver and automatically carries out signal according to passing screen situationThe flow chart of hand-off process;
Fig. 3 shows the hardware system schematic diagram of the embodiment of the present invention;
Fig. 4 shows a kind of functional module frame that passes screen signal automatic switching apparatus of the embodiment of the present inventionFigure.
Detailed description of the invention
The following description and drawings illustrate specific embodiment of the invention scheme fully, so that the skill of this areaArt personnel can put into practice them. That other embodiments can comprise is structure, logic, electric,Process and other change. Embodiment only represents possible variation. Unless explicitly requested, otherwiseIndependent parts and function are optional, and the order of operation can change. Some embodimentsPart and feature can be included in or replace part and the feature of other embodiments. Reality of the present inventionThe scope of executing scheme comprises the gamut of claims, and all of claims obtainEquivalent. In this article, these embodiments of the present invention can be used term individually or always" invention " represents, this is only used to conveniently, and if in fact disclose the invention that exceedes,Not that the scope that will automatically limit this application is any single invention or inventive concept.
Fig. 1 shows a kind of schematic flow sheet that passes screen signal automatic switching method of the embodiment of the present invention,
As shown in Figure 1, in some illustrative embodiment, described method, comprises following stepRapid:
Step S101, whether Real-Time Monitoring exists passes screen signal;
Step S102, if so, obtains this biography screen signal, and sends it to television set; If not,Obtain secondary signal, and this secondary signal is sent to television set;
Described method is applied to television set and sets up the equipment of communicating by letter; One is provided in above-described embodimentPass the method that screen signal automatically switches, in the method, monitor in real time passing screen signal, if depositPassing screen signal, this biography screen signal is being sent to television set; Otherwise, obtain secondary signal, willSecondary signal sends to television set; Described television set be a class have audio frequency and video playing function device orEquipment;
In some illustrative embodiment, described biography screen signal is wireless signal; It is described biography screen letterNumber send by wireless communication technology, such as bluetooth, infrared and WIFI (wireless network) etc.;
In some illustrative embodiment, described secondary signal is cable TV signal; SoMethod can be applied to and pass screen signal receiver, and described biography screen signal receiver is that a class has the screen of biography and connectsReceive device or the equipment of function; Wherein, described biography screen signal can be mobile phone, panel computer, notesFirst equipment such as this computer sends; Described secondary signal, cable TV signal is as Set Top Box etc.The second equipment sends;
Further, described the second equipment is connected by input port with described biography screen signal receiver, instituteStating television set is connected with described biography screen signal receiver by delivery outlet; Described biography screen signal receiver is logicalCross this input port and obtain cable TV signal, and then send this signal to television set by delivery outlet;
Wherein, the type of described input port and described delivery outlet can be identical or different, described input portOr described delivery outlet can be HDMI HDMI, AV (AudioVideo, audio frequencyVideo) interface, USB (UniversalSerialBus, USB) interface, VGA (VideoGraphicsArray, Video Graphics Array) interface, DVI (DigitalVisualInterface, numeralVideo interface) etc.;
In traditional connected mode, be generally that the second equipment is directly connected with television set,Two equipment directly send to television set by cable TV signal, and in the above-described embodiments, the second equipmentBe connected with biography screen signal receiver, then shield signal receiver by biography cable TV signal is sent toTelevision set, different from traditional connected mode; In this embodiment, pass screen signal receiver user notWhile needing to pass screen, the cable TV signal that the second equipment is sent is sent on television set by delivery outletWatch for user, once user need to pass screen, as receive after the biography screen request of the first equipment transmission,And with this first equipment successfully set up pass screen be connected after, automatically signal source is switched from the second equipmentTo the first equipment, and the biography screen signal that described the first equipment is sent sends described television set to; WholeIn individual process, user and television set do not need to carry out extra operation, and connect owing to passing screen signalReceive device and be confirms successfully to set up pass shield after switching signal source, therefore for television set, from havingLine TV signal is switched in the process that passes screen signal, the time that there will not be blue screen and user to wait for,Can realize cable TV signal and pass the seamless link of shielding signal; In addition, television set is without setting up itIts interface, the interface that only takies a TV can access simultaneously and passes screen receiver and cable television is providedThe second equipment of signal;
In some illustrative embodiment, described in obtain secondary signal, and this secondary signal is sentGive in the process of described television set, as described in real-time monitoring, pass screen signal, by this secondary signalDisconnected, obtain this biography screen signal, and send it to described television set; Said process can be understood as works asDo not exist while passing screen signal, secondary signal sent to television set, pass after screen signal once monitor,Interrupt secondary signal, and the biography screen signal obtaining is sent to television set;
In some illustrative embodiment, described in obtain described biography screen signal, and send it to electricityIn process depending on machine, as this biography screen signal interruption, obtain secondary signal, and this secondary signal is sent outGive television set;
If it is example that this programme is applied to described biography screen signal receiver: in this embodiment, if pass screen letterNumber receiver is passing in the process of screen, occurs passing screen signal interruption and feelings that the connection that causes disconnectsWhen condition, pass screen signal receiver and can automatically signal source be switched to the second equipment, continue to receive second and establishThe standby cable TV signal (secondary signal) transmitting, and send this signal to TV;
The process of wherein, judgement biography screen signal interruption can be as follows:
By described delivery outlet, this biography screen signal being sent in the process of described television set, pass screen letterNumber receiver can be monitored the biography screen of setting up with the first equipment, if pass, screen finishes or in the time that certain is defaultIn while not receiving the biography screen signal that the first equipment sends, judgement passes screen signal interruption, and triggers and obtainGet cable TV signal, and this signal is sent to the operation of television set; Certainly, said process itAfter, pass screen signal if again monitor, same above-described embodiment, passing screen signal receiver still can beAfter the first equipment is successfully set up and is passed screen and be connected, automatically signal source is switched to the first equipment, and by theThe biography screen signal that one equipment sends to sends television set to by delivery outlet;
In some illustrative embodiment, described input port is HDMI interface, and/or, described defeatedOutlet is HDMI interface;
On market, existing biography screen signal receiver is generally connected with television set by HDMI, newerSecond equipment such as Set Top Box is also to transmit cable TV signal by HDMI to television set; Therefore, enterOne step, described input port and described delivery outlet are all HDMI; In connection procedure, the second equipmentSend cable TV signal to screen signal receiver by HDMI, then pass screen signal receiverSend this signal to television set by HDMI again, in like manner, passing in the process of screen, also by being somebody's turn to doHDMI sends signal to television set;
In some illustrative embodiment, be generally wireless signal owing to passing screen signal, therefore will passScreen signal sends to the process of television set, specifically comprises:
According to the discernible signal type of described delivery outlet, described biography screen signal is converted to the first outputSignal, and by described delivery outlet, described the first output signal is sent to described television set;
Existing biography screen process, the first equipment is generally to be sent and passed screen by wireless technology (as WIFI)Signal, is wireless signal if therefore pass screen signal, passes screen signal receiver and is receiving this wireless signalAfter, can be first according to the form of this signal of type conversion of delivery outlet, if delivery outlet is HDMI,This wireless signal is converted to HDMI signal, then the HDMI signal being converted to is passed through to outputMouth sends to television set;
In some illustrative embodiment, if described input port is different from the type of described delivery outlet,The process that cable TV signal is sent to television set, specifically comprises:
According to the type of described delivery outlet, described cable TV signal is converted to described delivery outlet can be knownOther second output signal, and by described delivery outlet, described the second output signal is sent to described electricityDepending on machine;
For example: if the second equipment is connected with biography screen signal receiver by AV interface, connect and pass screen signalReceive device and be connected by HDMI with television set, input port is AV interface, and delivery outlet is HDMI,The cable TV signal that the second equipment that biography screen signal receiver is received sends is AV signal; So,Pass screen signal receiver and can automatically AV signal be converted to HDMI signal, and then pass through delivery outletThis signal is sent to television set;
If it is identical with delivery outlet to pass the input port of screen signal, for example, be HDMI, by described wiredTV signal sends to by delivery outlet in the process of television set, without carrying out signal in above-described embodimentThe process of conversion;
In some illustrative embodiment, if described the first equipment is Android Android mobile terminal,Pass screen agreement Miracast by mirror image and set up with passing screen signal receiver the process that screen is connected that passes, canTo comprise: model peer-to-peer network (P2P, Peer-to-Peer) connects, then transmits based on real-time streamsAgreement (RTSP, RealTimeStreamingProtocol) connects, and RTSP connects;
Pass when screen owing to need to establishing mirror image as user, user need by the first equipment carry out complicated at the beginning ofWhen beginningization or startup pass screen, carry out the operation of equipment search and selection, and P2P connects the process of setting upOften consuming time longer, cause whole biography screen process of establishing slow, user experiences bad; Further,If certain first equipment (as mobile phone), for user often uses the equipment that passes screen, passes screen signal receiverCan set up Peer-to-Peer Network P2P with mobile phone in advance and be connected, pass screen signal receiver and establish in transmission secondThe cable TV signal that preparation is sent during to television set, can be set up with this mobile phone automatically in advance on system backstageP2P connects; Receiving after the biography screen request sending from this mobile phone, can be fast and described the first equipmentSet up real time streaming transport protocol RTSP and connect, complete the process that screen connects that passes of setting up;
In the above-described embodiments, if pass screen signal receiver receive be except this mobile phone otherThe biography screen request that the first equipment sends, passes screen signal receiver and can disconnect the P2P setting up with this mobile phoneConnect, and set up P2P with this first equipment and is connected, then set up RTSP connection, described in completing, buildThe process that the screen of writing a biography connects.
With a specific embodiment, this programme is described below, relate in this embodiment television set,Pass screen receiver, pass screen information source device (the first equipment) and Set Top Box (the second equipment); At Fig. 2In shown flow chart, pass screen receiver and automatically carry out signal switching according to passing screen situation; Fig. 3 is thisThe hardware system schematic diagram of embodiment, in Fig. 3, passes screen receiver and receives from machine by USB mouthThe power supply of top box, and provide displaying contents by HDMI delivery outlet to television set; Pass screen receiver logicalCross HDMI input port and receive the cable TV signal from Set Top Box, and defeated according to passing screen DeterminesGo out to pass screen content to television set or repeater-transmitter set-top box signal to television set; Described biography screen receiver also canTo receive the power supply from television set by USB interface, or external power supply is powered; Pass screen letterBreath source device is connected with described biography screen receiver by wireless WIFI; Do not receive biography screen when passing screen receiverWhen request,, under the state of acquiescence, biography screen receiver can be crossed the reception of HDMI input port and push up from machineThe cable TV signal of box, and this signal is sent to television set by HDMI delivery outlet, for useFamily is watched;
As shown in Figure 2, automatically carry out the stream of signal hand-off process according to biography screen situation for passing screen receiverCheng Tu:
Step S201, passes screen receiver and judges whether that autobiography shields the biography screen request of information source device;
Pass screen receiver in running, can whether have the autobiography of coming screen information source device to send out by automatic decisionThe biography screen request of sending, enters step 202 if having; If no, continue judgement;
Step S202, passes screen receiver and sets up biography screen;
Pass screen receiver and the foundation of biography screen information source device for passing being connected of screen, and successfully setting up and be somebody's turn to doAfter connection, enter step 203;
Step S203, passes screen receiver switching signal source, and output passes screen content;
Pass screen receiver current signal source is switched to and passes screen information source device from Set Top Box, and receivePass screen information source device by the biography screen signal of wireless transmission, then biography screen signal is converted to HDMISignal, and export this HDMI signal to television set from HDMI;
Step S204, passes screen receiver and judges whether pass screen disconnects;
Carry to television set in the process of above-mentioned HDMI signal (passing screen content) at biography screen receiver,Whether biography screen receiver can disconnect in the connection of automatic decision biography screen, once disconnect, enters step 205;
Step S205, passes screen receiver switching signal source, forwards HDMI input signal;
Connect disconnection once biography screen receiver is judged biography screen, automatically signal source is shielded to information source from passingEquipment is switched to Set Top Box, and it is defeated that the cable TV signal that HDMI input port is received is transmitted to HDMIOutlet, sends television set to, and again enters step 201, judges whether to receive the screen request that passes, ifReceive that passing screen request triggers step S202.
Fig. 4 shows a kind of function mould that passes screen signal automatic switching apparatus 400 of the embodiment of the present inventionPiece block diagram; Wherein, described signal automatic switching apparatus comprises equipment such as passing screen receiver;
In some illustrative embodiment, equipment 400, comprising: biography screen signal receiving unit 401,Secondary signal receiving element 402, output interface 403 and selector 404;
Pass screen signal receiving unit 401, in the time there is biography screen signal, receive this biography screen signal;
Secondary signal receiving element 402, for receiving secondary signal;
Output interface 403, is connected with television set, for described biography screen signal or described secondary signal are sent outGive this television set;
Selector 404, respectively with described biography screen signal receiving unit 401, secondary signal receiving element 402And output interface 403 is connected, whether have for passing screen signal receiving unit 401 described in Real-Time MonitoringThe input of described biography screen signal; If so, obtain this biography screen signal, and described in this biography screen signal is sent toOutput interface 403; If not, obtain that described secondary signal receiving element 402 receives described secondSignal, and this secondary signal is sent to described output interface 403.
In some illustrative embodiment, described biography screen signal receiving unit 401 connects for wireless signalReceive device, passing screen signal is wireless signal.
In some illustrative embodiment, described secondary signal is cable TV signal.
In some illustrative embodiment, described selector 404 also for: when obtaining described secondDescribed the second input signal that signal receiving unit 402 receives, and this secondary signal is sent to instituteWhile stating output interface 403, as described in real-time monitoring, pass screen signal receiving unit 401 and have described biography to shieldSignal input, interrupts the transmission of described secondary signal, obtains this biography screen signal, and by this biography screen letterNumber be sent to described output interface 403.
In some illustrative embodiment, described selector 404 also for: when obtaining described biography screenSignal, and while sending it to described output interface 403, this biography screen signal interruption, obtains secondThe described secondary signal that signal receiving unit 402 receives, and this secondary signal is sent to described defeatedOutgoing interface 403.
In some illustrative embodiment, described secondary signal receiving element 402 passes through fine definitionMultimedia interface HDMI interface is connected with the signal source of described secondary signal; And/or described output connectsMouth 403 is HDMI interface, is connected with the HDMI interface of described television set by data wire.
Adopt above-described embodiment, can reach following effect:
Passing when screen does not need to switch TV signal source, pass that screen is set up and the process that finishes in, user withoutTelevision set is carried out to numerous and diverse operation, promote user and experience;
Television set is without setting up other interface, and the interface that only takies a television set can access biography simultaneouslyScreen receiver and the equipment that cable TV signal is provided, as Set Top Box.
Those skilled in the art it is also understood that describe in conjunction with embodiment herein various illustrativeBox, module, circuit and algorithm steps all can be embodied as electronic hardware, computer software or itsCombination. For the interchangeability between hardware and software is clearly described, above to various illustrativeParts, frame, module, circuit and step have all carried out usually describing around its function. As for thisFunction is embodied as hardware or is embodied as software, depends on specific application and whole system is executedThe design constraint adding. Those skilled in the art can be for each application-specific, with flexible sideFormula realizes described function, still, thisly realizes decision-making and should not be construed as and deviate from protection of the present disclosureScope.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, forThose skilled in the art, the present invention can have various modifications and variations. All in essence of the present inventionWithin god and principle, any amendment of doing, be equal to replacement, improvement etc., all should be included in the present inventionProtection domain within.
Claims (9)
1. pass a screen signal automatic switching method, it is characterized in that, comprising:
Whether Real-Time Monitoring exists passes screen signal;
If so, obtain this biography screen signal, and send it to television set;
If not, obtain secondary signal, and this secondary signal is sent to television set.
2. the method for claim 1, is characterized in that, described secondary signal is cable televisionSignal.
3. the method for claim 1, is characterized in that, described in obtain secondary signal, and willThis secondary signal sends in the process of described television set, as described in real-time monitoring, passes screen signal,This secondary signal is interrupted, obtain this biography screen signal, and send it to described television set.
4. the method for claim 1, is characterized in that, described in obtain described biography screen signal,And send it in the process of television set, as this biography screen signal interruption, obtain secondary signal, andThis secondary signal is sent to television set.
5. pass a screen signal automatic switching apparatus, it is characterized in that, comprising: pass screen signal and receive singleUnit, secondary signal receiving element, output interface and selector;
Pass screen signal receiving unit, in the time there is biography screen signal, receive this biography screen signal;
Secondary signal receiving element, for receiving secondary signal;
Output interface, is connected with television set, for described biography screen signal or described secondary signal are sentGive this television set;
Selector, respectively with described biography screen signal receiving unit, secondary signal receiving element and outputInterface is connected, and whether has the input of described biography screen signal for passing screen signal receiving unit described in Real-Time Monitoring;If so, obtain this biography screen signal, and this biography screen signal is sent to described output interface; If not,Obtain the described secondary signal that described secondary signal receiving element receives, and this secondary signal is sentTo described output interface.
6. equipment as claimed in claim 5, is characterized in that, described secondary signal is cable televisionSignal.
7. equipment as claimed in claim 5, is characterized in that, described selector also for: when obtainingGet described the second input signal that described secondary signal receiving element receives, and this secondary signal is sent outWhile delivering to described output interface, as described in real-time monitoring, pass screen signal receiving unit and have the described screen that passes to believeNumber input, interrupts the transmission of described secondary signal, obtains this biography screen signal, and by this biography screen signalBe sent to described output interface.
8. equipment as claimed in claim 5, is characterized in that, described selector also for: when obtainingGet described biography screen signal, and while sending it to described output interface, this biography screen signal interruption, obtainsGet the described secondary signal that secondary signal receiving element receives, and described in this secondary signal is sent toOutput interface.
9. equipment as claimed in claim 5, is characterized in that, described secondary signal receiving element is logicalCrossing HDMI HDMI interface is connected with the signal source of described secondary signal; And/or,Described output interface is HDMI interface, is connected with the HDMI interface of described television set by data wire.
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| CN201410578031.5A CN105592348A (en) | 2014-10-24 | 2014-10-24 | Automatic switching method for screen transmission signals and screen transmission signal receiver |
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| CN201410578031.5A CN105592348A (en) | 2014-10-24 | 2014-10-24 | Automatic switching method for screen transmission signals and screen transmission signal receiver |
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