CN105094303A - Method and apparatus for automatic awakening of display device - Google Patents

Abstract

The present invention discloses a method for automatic awakening of a display device. The method comprises the steps: when the display device is in a sleep mode, a mobile terminal acquiring motion data, acquired by a sensor, of the mobile terminal regularly, and determining whether the mobile terminal has motion changes or not according to the motion data; when the mobile terminal has the motion changes, determining that the mobile terminal enters an operation mode; and sending an MHL control bus newly added encoding level for identifying the mobile terminal to be in the operation mode state to the display device, and controlling the display device to automatically enter the operation mode. The present invention further discloses an apparatus for the automatic awakening of the display device. According to the method and apparatus for the automatic awakening of the display device, provided by the present invention, the motion data of the mobile terminal is acquired by using the sensor, whether the mobile terminal enters the operation mode or not is determined, the automatic awakening of the display device is controlled by means of the MHL control bus newly added encoding level, and a user does not need to participate in an automatic awakening process of the display device, so that an operation procedure is simplified, and intelligence of the display device and the mobile terminal is improved.

Description

The method and apparatus that display device wakes up automatically

Technical field

The present invention relates to data transmission and control field, be related specifically to the method and apparatus that display device wakes up automatically.

Background technology

Along with development and the propelling of global figure, increasing electronic equipment emerges in an endless stream, such as mobile phone, computer, DVD, televisor, sound equipment, air-conditioning etc., and contact more and more tightr between each class of electronic devices, such as using mobile phone or the PAD telepilot as televisor or air conditioner, the switch and the function that control televisor or air conditioner are selected, and and for example the picture of display on mobile phone or PAD are passed screen and show to televisor.

At present, the mobile terminal such as mobile phone, PAD can adopt MHL (MobileHigh-DefinitionLink, mobile terminal high-definition audio and video standard interface) to be connected with display devices such as televisors, realizes mobile terminal display frame simultaneous display on the display device.MHL is a kind of audio-visual standard interface connecting portable electric appts, user is after unlatching is equipped with the portable mobile termianl such as mobile phone, PAD of MHL, at the MHL interface access data line of mobile terminal, and the other end of data line is connected to the HDMI (HighDefinitionMultimediaInterface of the large-screen display equipments such as televisor, HDMI (High Definition Multimedia Interface)) on, after successful connection, the picture that mobile terminal shows is transferred on display device and shows.When mobile terminal enters park mode because not operating for a long time, pass screen signal and cannot send to display device, display device also enters park mode.Now, if user wants to reawake display device continue to play the picture that mobile terminal transmits, then need user to wake mobile terminal up, also need user to restart display device, operate very inconvenient.

Summary of the invention

The method and apparatus that fundamental purpose of the present invention is waken up automatically for providing a kind of display device, by connecting mobile terminal on the display device, wakes the display device being in park mode up automatically, simple to operation.

For achieving the above object, the present invention proposes a kind of method that display device wakes up automatically, comprises step:

When display device is in park mode, the exercise data of the mobile terminal that mobile terminal timing acquisition sensor gathers, and judge whether described mobile terminal moves change according to described exercise data;

When described mobile terminal moves change, judge that described mobile terminal enters mode of operation;

Send the mobile terminal high-definition audio and video standard interface control bus being in operational mode state for identifying described mobile terminal and increase code level newly to display device, control display device and automatically enter mode of operation.

Preferably, described control display device also comprises after automatically entering the step of mode of operation:

When display device is in mode of operation, the exercise data of the mobile terminal that mobile terminal timing acquisition sensor gathers, and judge whether described mobile terminal moves change according to described exercise data;

When described mobile terminal keeps stationary state, judge whether the duration of described stationary state exceedes preset time threshold;

When the duration of described stationary state exceedes preset time threshold, judge that described mobile terminal enters park mode;

Send the mobile terminal high-definition audio and video standard interface control bus being in park mode state for identifying described mobile terminal and increase code level newly to display device, control display device and automatically enter park mode.

Preferably, the described mobile terminal high-definition audio and video standard interface control bus being in operational mode state for identifying described mobile terminal increases the newly-increased coding low level that code level is mobile terminal high-definition audio and video standard interface control bus newly, coded system is: level pulse changes to low level by high level, after low level continues 20ms, then change to high level by low level;

The described mobile terminal high-definition audio and video standard interface control bus being in park mode state for identifying described mobile terminal increases the newly-increased coding high level that code level is mobile terminal high-definition audio and video standard interface control bus newly, coded system is: level pulse changes to low level by high level, after low level continues 100ms, then change to high level by low level.

Preferably, described sensor is acceleration transducer; The exercise data of the mobile terminal that described mobile terminal timing acquisition sensor gathers, and judge that the step whether described mobile terminal moves change comprises according to described exercise data:

X, Y, Z 3-axis acceleration that described mobile terminal timing acquisition sensor gathers;

Compare the difference of the X-axis acceleration of twice collection in front and back respectively, whether the difference of Y-axis acceleration, the difference of Z axis acceleration be 0;

When any one is not 0 in the difference of the difference of the difference of the X-axis acceleration of twice collection in front and back, Y-axis acceleration, Z axis acceleration, judge that described mobile terminal moves change;

When the difference of the X-axis acceleration of twice collection in front and back, the difference of Y-axis acceleration, the difference of Z axis acceleration are 0, judge that described mobile terminal keeps stationary state.

Preferably, the exercise data of the mobile terminal that described mobile terminal timing acquisition sensor gathers, and judge that the step whether described mobile terminal moves change comprises according to described exercise data:

Described mobile terminal obtains T respectively _imoment and T _i+1x, Y, Z 3-axis acceleration a (x) that moment sensor gathers _i, a (y) _i, a (z) _iwith a (x) _i+1, a (y) _i+1, a (z) _i+1;

Determine T _imoment and T _i+1difference, the difference of Y-axis acceleration, the difference of Z axis acceleration of X-axis acceleration between moment:

$\left\{\begin{array}{c}\mathrm{Apost}\left(x\right)=\underset{T_i{T}_{i+1}}{\mathrm{\Σ}}|a{\left(x\right)}_{i+1}-a{\left(x\right)}_i|\\ \mathrm{Apost}\left(y\right)=\underset{T_i,T_{i+1}}{\mathrm{\Σ}}|a{\left(y\right)}_{i+1}-a{\left(y\right)}_i|\\ \mathrm{Apost}\left(z\right)=\underset{T_i,T_{i+1}}{\mathrm{\Σ}}{\left(z\right)}_{i+1}-a{\left(z\right)}_i|\end{array}\right.;$

Determine that acceleration moves result output quantity:

Aoutput (total)=Apost (x) || Apost (y) || Apost (z); Wherein symbol " || " is logical OR operational symbol;

When acceleration moves result output quantity Aoutput (total)=1, judge that described mobile terminal moves change;

When acceleration moves result output quantity Aoutput (total)=0, judge that described mobile terminal keeps stationary state.

The present invention also proposes the device that a kind of display device wakes up automatically, comprising:

Data acquisition module, for when display device is in park mode, the exercise data of the mobile terminal that timing acquisition sensor gathers;

According to described exercise data, condition judgment module, for judging whether described mobile terminal moves change; When described mobile terminal moves change, judge that described mobile terminal enters mode of operation;

Signal transmitting module, increases code level newly to display device for sending the mobile terminal high-definition audio and video standard interface control bus being in operational mode state for identifying described mobile terminal, controls display device and automatically enters mode of operation.

Preferably, described data acquisition module also for, when display device is in mode of operation, the exercise data of mobile terminal that mobile terminal timing acquisition sensor gathers;

Described condition judgment module also for, judge whether described mobile terminal moves change according to described exercise data; When described mobile terminal keeps stationary state, judge whether the duration of described stationary state exceedes preset time threshold; When the duration of described stationary state exceedes preset time threshold, judge that described mobile terminal enters park mode;

Described signal transmitting module also for, send the mobile terminal high-definition audio and video standard interface control bus being in park mode state for identifying described mobile terminal and increase code level newly to display device, control display device automatically enter park mode.

Preferably, the described mobile terminal high-definition audio and video standard interface control bus being in operational mode state for identifying described mobile terminal increases the newly-increased coding low level that code level is mobile terminal high-definition audio and video standard interface control bus newly, coded system is: level pulse changes to low level by high level, after low level continues 20ms, then change to high level by low level;

The described mobile terminal high-definition audio and video standard interface control bus being in park mode state for identifying described mobile terminal increases the newly-increased coding high level that code level is mobile terminal high-definition audio and video standard interface control bus newly, coded system is: level pulse changes to low level by high level, after low level continues 100ms, then change to high level by low level.

Preferably, described sensor is acceleration transducer; Described condition judgment module specifically for:

X, Y, Z 3-axis acceleration that described mobile terminal timing acquisition sensor gathers;

Compare the difference of the X-axis acceleration of twice collection in front and back respectively, whether the difference of Y-axis acceleration, the difference of Z axis acceleration be 0;

When any one is not 0 in the difference of the difference of the difference of the X-axis acceleration of twice collection in front and back, Y-axis acceleration, Z axis acceleration, judge that described mobile terminal moves change;

When the difference of the X-axis acceleration of twice collection in front and back, the difference of Y-axis acceleration, the difference of Z axis acceleration are 0, judge that described mobile terminal keeps stationary state.

Preferably, described condition judgment module concrete also for:

Described mobile terminal obtains T respectively _imoment and T _i+1x, Y, Z 3-axis acceleration a (x) that moment sensor gathers _i, a (y) _i, a (z) _iwith a (x) _i+1, a (y) _i+1, a (z) _i+1;

Determine T _imoment and T _i+1difference, the difference of Y-axis acceleration, the difference of Z axis acceleration of X-axis acceleration between moment:

$\left\{\begin{array}{c}\mathrm{Apost}\left(x\right)=\underset{T_i{T}_{i+1}}{\mathrm{\Σ}}|a{\left(x\right)}_{i+1}-a{\left(x\right)}_i|\\ \mathrm{Apost}\left(y\right)=\underset{T_i,T_{i+1}}{\mathrm{\Σ}}|a{\left(y\right)}_{i+1}-a{\left(y\right)}_i|\\ \mathrm{Apost}\left(z\right)=\underset{T_i,T_{i+1}}{\mathrm{\Σ}}{\left(z\right)}_{i+1}-a{\left(z\right)}_i|\end{array}\right.;$

Determine that acceleration moves result output quantity:

Aoutput (total)=Apost (x) || Apost (y) || Apost (z); Wherein symbol " || " is logical OR operational symbol;

When acceleration moves result output quantity Aoutput (total)=1, judge that described mobile terminal moves change;

When acceleration moves result output quantity Aoutput (total)=0, judge that described mobile terminal keeps stationary state.

The present invention adopts sensor to obtain the exercise data of mobile terminal, for judging whether mobile terminal enters mode of operation, and after mobile terminal enters mode of operation, increasing MHL control bus newly code level sends to display device in time, increase code level control display device newly by MHL control bus automatically to wake up, the automatic wakeup process of display device participates in without the need to user, simplifies operating process, improves the intellectuality of display device and mobile terminal.

Accompanying drawing explanation

Fig. 1 is the schematic flow sheet of the first embodiment of the method that display device of the present invention wakes up automatically;

Fig. 2 is the schematic flow sheet of the second embodiment of the method that display device of the present invention wakes up automatically;

Fig. 3 is the schematic flow sheet of the 3rd embodiment of the method that display device of the present invention wakes up automatically;

Fig. 4 is the structural representation of the device embodiment that display device of the present invention wakes up automatically.

The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.

Embodiment

Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.

As shown in Figure 1, Fig. 1 is the schematic flow sheet of the first embodiment of the method that display device of the present invention wakes up automatically.The method that the display device that the present embodiment is mentioned wakes up automatically, its hardware environment can be the mobile terminal such as mobile phone, pad, mobile terminal can carry MHL interface, be connected with display devices such as televisors by data line, the picture synchronization that self screen shows is transferred on display device and shows by mobile terminal.After mobile terminal enters park mode, display device also no longer shows the picture on mobile terminal, and now display device enters park mode.The method that the display device mentioned for the present embodiment wakes up automatically, comprises the following steps:

Step S10, the exercise data of the mobile terminal that mobile terminal timing acquisition sensor gathers, and judge whether mobile terminal moves change according to exercise data;

When display device is in park mode, in order to display device can be waken up timely, automatically after mobile terminal is used again, first need, when mobile terminal is just by use, to judge the current state of mobile terminal fast.When considering that mobile terminal is used by user, relatively can there is certain change in its displacement state, therefore sensor can be adopted to gather the exercise data of mobile terminal, judge whether mobile terminal sends motion change, and then judge whether mobile terminal is used by user.Sensor is arranged on mobile terminal inside usually, and sensor can be direction sensor, acceleration transducer, speed pickup etc.The time unsuitable interval of sensor timing acquiring is long, and be usually spaced apart a few second or shorter, shorter acquisition time interval can judge that mobile terminal is used more timely.

Step S20, when mobile terminal moves change, judges that mobile terminal enters mode of operation;

The data of mobile terminal to the twice sensor collection in front and back compare, because mobile terminal enters park mode before this, mobile terminal normally remains static in the hibernation mode, when twice, front and back data are different, then illustrate that mobile terminal there occurs motion change, mobile terminal is used by user, and then reflects that mobile terminal enters mode of operation; If front and back two secondary data is constant, then illustrate that mobile terminal current state does not change, still keep stationary state, mobile terminal is still in park mode.

Step S30, sends the MHL control bus being in operational mode state for identifying mobile terminal and increases code level newly to display device, controls display device and automatically enters mode of operation.

After confirmation mobile terminal enters mode of operation from park mode, mobile terminal increases the MHL control bus that mark mobile terminal is in operational mode state newly code level through data line and sends to display device, display device is after receiving newly-increased code level, from newly-increased code level, parse the current mode state of mobile terminal is mode of operation, then display device also enters mode of operation accordingly, open display screen and player, the screen-picture of simultaneous display mobile terminal, the voice output of broadcasting mobile terminal, namely display device is waken up.

The present embodiment adopts sensor to obtain the exercise data of mobile terminal, for judging whether mobile terminal enters into mode of operation from park mode, and after mobile terminal enters mode of operation, the MHL control bus in time mark mobile terminal being in operational mode state increases code level newly and sends to display device, to realize automatically waking display device up, the automatic wakeup process of display device participates in without the need to user, simplifies operating process, improves the intellectuality of display device and mobile terminal.

It is worth mentioning that, mobile terminal due to the present embodiment adopts MHL interface and display device to carry out data and Signal transmissions, MHL has five groups of pins, wherein four groups are used for transmission tone video data, remaining one group is control bus pin, can by TMDS (TransitionMinimizedDifferentialsignal, transition minimized differential signaling) and DDC (DirectDigitalControl, direct data control), CEC (ConsumerElectronicsControl, consumer electronics control) combines and controls.Have employed the newly-increased code level of MHL control bus in the present embodiment for the signal of the operational mode state identifying mobile terminal, such as, adopt the CEC low level of newly-increased coding.The CEC low level of newly-increased coding is different from original CEC low level, original CEC low level still retains, coded system is: level pulse changes to high level by low level, after high level continues 10ms, low level is changed to again by high level, currently equipment number on mobile terminal link and CEC device number is connected to, the device number 0Xf0 of such as TV for identifying.And the low level coded system of CEC of the newly-increased coding that the present embodiment adopts is: level pulse changes to low level by high level, after low level continues 20ms, then changes to high level by low level.Owing to have employed different coded systems, make the CEC low level of newly-increased coding different from the time that the low level low and high level of original CEC continues, mutually interference is not produced in signal transport process, the control pin of MHL interface both can realize its original function, can realize again controlling in the present embodiment the function that display device wakes up automatically.

As shown in Figure 2, Fig. 2 is the schematic flow sheet of the second embodiment of the method that display device of the present invention wakes up automatically.When execute institute embodiment illustrated in fig. 1 in steps after, mobile terminal has waken display device up, and now display device is in mode of operation, then mobile terminal turns back to again step S10, continues the exercise data gathering mobile terminal, specifically comprises the following steps:

Step S10, the exercise data of the mobile terminal that mobile terminal timing acquisition sensor gathers, and judge whether mobile terminal moves change according to exercise data;

The data of mobile terminal to the twice sensor collection in front and back compare, if the data of twice collection in front and back are constant, the state of mobile terminal current time and the state consistency of previous moment are then described, namely in this twice acquisition time section, mobile terminal does not move change, keeps stationary state.

Step S40, when mobile terminal keeps stationary state, judges whether the duration of stationary state exceedes preset time threshold;

Step S50, when the duration of stationary state exceedes preset time threshold, judges that mobile terminal enters park mode;

If mobile terminal there occurs motion change again after the shorter time, then user is described also at this mobile terminal of use, then mobile terminal is still in mode of operation.If have passed through the time of one longer, mobile terminal still continues to keep stationary state, then illustrate that user does not use mobile terminal for some time, now mobile terminal can enter park mode automatically.

Step S60, sends the MHL control bus being in park mode state for identifying mobile terminal and increases code level newly to display device, controls display device and automatically enters park mode.

For realizing the synchronous of display device, mobile terminal increases the MHL control bus that mark mobile terminal is in park mode state newly code level through data line and sends to display device, display device is after receiving newly-increased code level, from newly-increased code level, parse the current mode state of mobile terminal is park mode, then display device also enters park mode accordingly, close display screen and player, no longer show the screen-picture of mobile terminal, also no longer play the voice output of mobile terminal.

The present embodiment still adopts sensor to obtain the exercise data of mobile terminal, for judging whether mobile terminal enters into park mode from mode of operation, and after mobile terminal enters park mode, increase code level newly by MHL control bus and control the synchronous dormancy of display device, be conducive to the energy consumption of saving display device and mobile terminal.

It is worth mentioning that, the signal being in park mode state in the present embodiment for identifying mobile terminal have employed the newly-increased code level of MHL control bus, such as, adopt the CEC high level of newly-increased coding.The CEC high level of newly-increased coding is different from original CEC high level, original CEC high level still retains, currently equipment number on mobile terminal link and CEC device number is connected to for identifying, the device number 0Xf0 of such as TV, original CEC high level still retains, coded system is: level pulse changes to high level by low level, after high level continues 50ms, low level is changed to again by high level, currently equipment number on mobile terminal link and CEC device number is connected to, the device number 0Xf0 of such as TV for identifying.And the coded system of the CEC high level of the newly-increased coding that the present embodiment adopts is: level pulse changes to low level by high level, after low level continues 100ms, then changes to high level by low level.Owing to have employed different coded systems, make the CEC high level of newly-increased coding different from the time that the low and high level of original CEC high level continues, mutually interference is not produced in signal transport process, the control pin of MHL interface both can realize its original function, can realize again the function controlling display device auto sleep in the present embodiment.

As shown in Figure 3, Fig. 3 is the schematic flow sheet of the 3rd embodiment of the method that display device of the present invention wakes up automatically.The present embodiment be to Fig. 1 and embodiment illustrated in fig. 2 in the further describing of step S10, comprising:

Step S11, X, Y, Z 3-axis acceleration that mobile terminal timing acquisition sensor gathers;

With T _imoment and T _i+1moment is example, T _imoment collects X, Y, Z 3-axis acceleration a (x) _i, a (y) _i, a (z) _i, T _i+ ₁moment collects X, Y, Z 3-axis acceleration a (x) _i+1, a (y) _i+1, a (z) _i+1.

Step S12, compares the difference of the X-axis acceleration of twice collection in front and back respectively, whether the difference of Y-axis acceleration, the difference of Z axis acceleration is 0;

Calculate T _imoment and T _i+1difference, the difference of Y-axis acceleration, the difference of Z axis acceleration of X-axis acceleration between moment:

$\left\{\begin{array}{c}\mathrm{Apost}\left(x\right)=\underset{T_i{T}_{i+1}}{\mathrm{\Σ}}|a{\left(x\right)}_{i+1}-a{\left(x\right)}_i|\\ \mathrm{Apost}\left(y\right)=\underset{T_i,T_{i+1}}{\mathrm{\Σ}}|a{\left(y\right)}_{i+1}-a{\left(y\right)}_i|\\ \mathrm{Apost}\left(z\right)=\underset{T_i,T_{i+1}}{\mathrm{\Σ}}{\left(z\right)}_{i+1}-a{\left(z\right)}_i|\end{array}\right.;$

And calculate acceleration and move result output quantity:

Aoutput (total)=Apost (x) || Apost (y) || Apost (z); Wherein symbol " || " is logical OR operational symbol;

Namely judge whether Apost (x), Apost (y), Apost (z) are all 0.

Step S13, when any one is not 0 in the difference of the difference of the difference of the X-axis acceleration of twice collection in front and back, Y-axis acceleration, Z axis acceleration, judges that mobile terminal moves change;

When acceleration moves result output quantity Aoutput (total)=1, when namely any one is not 0 in Apost (x), Apost (y), Apost (z), then illustrate that mobile terminal there occurs motion change.

Step S14, when the difference of the X-axis acceleration of twice collection in front and back, the difference of Y-axis acceleration, the difference of Z axis acceleration are 0, judges that mobile terminal keeps stationary state.

When acceleration moves result output quantity Aoutput (total)=0, when namely Apost (x), Apost (y), Apost (z) are all 0, then illustrate that mobile terminal keeps stationary state.

Be described in conjunction with data shown in following table.

The difference of the acceleration gathered the 0th second and the 1st second is 0, and mobile terminal is identical with the 0th second the state of the 1st second, namely keeps stationary state, does not move change; At the 2nd second, mobile terminal was relative to the 1st second, and the change creating x-axis is moved; At the 3rd second, mobile terminal was relative to the 2nd second, and the change creating y-axis is moved; At the 4th second, mobile terminal was relative to the 3rd second, and the change creating z-axis is moved; Compared with the 4th second at the 5th second, the difference of acceleration is 0, and mobile terminal is identical with the 4th second the state of the 5th second, namely keeps stationary state, does not move change.

The present embodiment adopts acceleration transducer to obtain not the acceleration of mobile terminal in the same time, and whether difference is 0 between the acceleration comparing former and later two moment, judge whether mobile terminal produces motion change, this determination methods is simple and reliable, and calculated amount is little, can not impact the processing speed of mobile terminal, the state judging mobile terminal fast can be realized, and then display device can be informed in time when mobile terminal state changes, to realize display device and mobile terminal synchronization enters mode of operation or park mode.

As shown in Figure 4, Fig. 4 is the structural representation of the device embodiment that display device of the present invention wakes up automatically.The device that the display device that the present embodiment proposes wakes up automatically, comprising:

Data acquisition module 10, for when display device is in park mode, the exercise data of the mobile terminal that timing acquisition sensor gathers;

Condition judgment module 20, for judging according to exercise data whether mobile terminal moves change; When mobile terminal moves change, judge that mobile terminal enters mode of operation;

Signal transmitting module 30, increases code level newly to display device for sending the MHL control bus being in operational mode state for identifying mobile terminal, controls display device and automatically enters mode of operation.

The device that the display device of the present embodiment wakes up automatically can be arranged on the mobile terminal such as mobile phone, pad, mobile terminal can carry MHL interface, be connected with display devices such as televisors by data line, the picture synchronization that self screen shows is transferred on display device and shows by mobile terminal.After mobile terminal enters park mode, display device also no longer shows the picture on mobile terminal, and now display device enters park mode.

When display device is in park mode, in order to display device can be waken up timely, automatically after mobile terminal is used again, first need, when mobile terminal is just by use, to judge the current state of mobile terminal fast.When considering that mobile terminal is used by user, relatively can there is certain change in its displacement state, therefore sensor can be adopted to gather the exercise data of mobile terminal, judge whether mobile terminal sends motion change, and then judge whether mobile terminal is used by user.Sensor is arranged on mobile terminal inside usually, and sensor can be direction sensor, acceleration transducer, speed pickup etc.The time unsuitable interval of sensor timing acquiring is long, and be usually spaced apart a few second or shorter, shorter acquisition time interval can judge that mobile terminal is used more timely.

The data of mobile terminal to the twice sensor collection in front and back compare, because mobile terminal enters park mode before this, mobile terminal normally remains static in the hibernation mode, when twice, front and back data are different, then illustrate that mobile terminal there occurs motion change, mobile terminal is used by user, and then reflects that mobile terminal enters mode of operation; If front and back two secondary data is constant, then illustrate that mobile terminal current state does not change, still keep stationary state, mobile terminal is still in park mode.

After confirmation mobile terminal enters mode of operation from park mode, mobile terminal increases the MHL control bus that mark mobile terminal is in operational mode state newly code level through data line and sends to display device, display device is after receiving newly-increased code level, from newly-increased code level, parse the current mode state of mobile terminal is mode of operation, then display device also enters mode of operation accordingly, open display screen and player, the screen-picture of simultaneous display mobile terminal, the voice output of broadcasting mobile terminal, namely display device is waken up.

The present embodiment adopts sensor to obtain the exercise data of mobile terminal, for judging whether mobile terminal enters into mode of operation from park mode, and after mobile terminal enters mode of operation, the MHL control bus in time mark mobile terminal being in operational mode state increases code level newly and sends to display device, to realize automatically waking display device up, the automatic wakeup process of display device participates in without the need to user, simplifies operating process, improves the intellectuality of display device and mobile terminal.

It is worth mentioning that, mobile terminal due to the present embodiment adopts MHL interface and display device to carry out data and Signal transmissions, MHL has five groups of pins, wherein four groups are used for transmission tone video data, remaining one group is control bus pin, can by TMDS (TransitionMinimizedDifferentialsignal, transition minimized differential signaling) and DDC (DirectDigitalControl, direct data control), CEC (ConsumerElectronicsControl, consumer electronics control) combines and controls.Have employed the newly-increased code level of MHL control bus in the present embodiment for the signal of the operational mode state identifying mobile terminal, such as, adopt the CEC low level of newly-increased coding.The CEC low level of newly-increased coding is different from original CEC low level, original CEC low level still retains, coded system is: level pulse changes to high level by low level, after high level continues 10ms, low level is changed to again by high level, currently equipment number on mobile terminal link and CEC device number is connected to, the device number 0Xf0 of such as TV for identifying.And the low level coded system of CEC of the newly-increased coding that the present embodiment adopts is: level pulse changes to low level by high level, after low level continues 20ms, then changes to high level by low level.Owing to have employed different coded systems, make the CEC low level of newly-increased coding different from the time that the low level low and high level of original CEC continues, mutually interference is not produced in signal transport process, the control pin of MHL interface both can realize its original function, can realize again controlling in the present embodiment the function that display device wakes up automatically.

Further, data acquisition module 10 also for, when display device is in mode of operation, the exercise data of mobile terminal that mobile terminal timing acquisition sensor gathers;

Condition judgment module 20 also for, judge whether mobile terminal moves change according to exercise data; When mobile terminal keeps stationary state, judge whether the duration of stationary state exceedes preset time threshold; When the duration of stationary state exceedes preset time threshold, judge that mobile terminal enters park mode;

Signal transmitting module 30 also for, send the MHL control bus being in park mode state for identifying mobile terminal and increase code level newly to display device, control display device automatically enter park mode.

Mobile terminal is after waking display device up, display device is in mode of operation, now mobile terminal can continue to adopt sensor to gather the exercise data of mobile terminal, and the data of the twice sensor collection in front and back are compared, if the data of twice collection in front and back are constant, the state of mobile terminal current time and the state consistency of previous moment are then described, namely in this twice acquisition time section, mobile terminal does not move change, keeps stationary state.If mobile terminal there occurs motion change again after the shorter time, then user is described also at this mobile terminal of use, then mobile terminal is still in mode of operation.If have passed through the time of one longer, mobile terminal still continues to keep stationary state, then illustrate that user does not use mobile terminal for some time, now mobile terminal can enter park mode automatically.For realizing the synchronous of display device, mobile terminal increases the MHL control bus that mark mobile terminal is in park mode state newly code level through data line and sends to display device, display device is after receiving newly-increased code level, from newly-increased code level, parse the current mode state of mobile terminal is park mode, then display device also enters park mode accordingly, close display screen and player, no longer show the screen-picture of mobile terminal, also no longer play the voice output of mobile terminal.

The present embodiment still adopts sensor to obtain the exercise data of mobile terminal, for judging whether mobile terminal enters into park mode from mode of operation, and after mobile terminal enters park mode, increase code level newly by MHL control bus and control the synchronous dormancy of display device, be conducive to the energy consumption of saving display device and mobile terminal.

It is worth mentioning that, the signal being in park mode state in the present embodiment for identifying mobile terminal have employed the newly-increased code level of MHL control bus, such as, adopt the CEC high level of newly-increased coding.The CEC high level of newly-increased coding is different from original CEC high level, original CEC high level still retains, currently equipment number on mobile terminal link and CEC device number is connected to for identifying, the device number 0Xf0 of such as TV, original CEC high level still retains, coded system is: level pulse changes to high level by low level, after high level continues 50ms, low level is changed to again by high level, currently equipment number on mobile terminal link and CEC device number is connected to, the device number 0Xf0 of such as TV for identifying.And the coded system of the CEC high level of the newly-increased coding that the present embodiment adopts is: level pulse changes to low level by high level, after low level continues 100ms, then changes to high level by low level.Owing to have employed different coded systems, make the CEC high level of newly-increased coding different from the time that the low and high level of original CEC high level continues, mutually interference is not produced in signal transport process, the control pin of MHL interface both can realize its original function, can realize again the function controlling display device auto sleep in the present embodiment.

Further, sensor is acceleration transducer; Condition judgment module 20 specifically for:

X, Y, Z 3-axis acceleration that mobile terminal timing acquisition sensor gathers;

Compare the difference of the X-axis acceleration of twice collection in front and back respectively, whether the difference of Y-axis acceleration, the difference of Z axis acceleration be 0;

When any one is not 0 in the difference of the difference of the difference of the X-axis acceleration of twice collection in front and back, Y-axis acceleration, Z axis acceleration, judge that mobile terminal moves change;

When the difference of the X-axis acceleration of twice collection in front and back, the difference of Y-axis acceleration, the difference of Z axis acceleration are 0, judge that mobile terminal keeps stationary state.

Further, condition judgment module 20 concrete also for:

Mobile terminal obtains T respectively _imoment and T _i+1x, Y, Z 3-axis acceleration a (x) that moment sensor gathers _i, a (y) _i, a (z) _iwith a (x) _i+1, a (y) _i+1, a (z) _i+1;

Determine T _imoment and T _i+1difference, the difference of Y-axis acceleration, the difference of Z axis acceleration of X-axis acceleration between moment:

$\left\{\begin{array}{c}\mathrm{Apost}\left(x\right)=\underset{T_i{T}_{i+1}}{\mathrm{\Σ}}|a{\left(x\right)}_{i+1}-a{\left(x\right)}_i|\\ \mathrm{Apost}\left(y\right)=\underset{T_i,T_{i+1}}{\mathrm{\Σ}}|a{\left(y\right)}_{i+1}-a{\left(y\right)}_i|\\ \mathrm{Apost}\left(z\right)=\underset{T_i,T_{i+1}}{\mathrm{\Σ}}{\left(z\right)}_{i+1}-a{\left(z\right)}_i|\end{array}\right.;$

Determine that acceleration moves result output quantity:

Aoutput (total)=Apost (x) || Apost (y) || Apost (z); Wherein symbol " || " is logical OR operational symbol;

When acceleration moves result output quantity Aoutput (total)=1, judge that mobile terminal moves change;

When acceleration moves result output quantity Aoutput (total)=0, judge that mobile terminal keeps stationary state.

Be described in conjunction with data shown in following table.

The difference of the acceleration gathered the 0th second and the 1st second is 0, and mobile terminal is identical with the 0th second the state of the 1st second, namely keeps stationary state, does not move change; At the 2nd second, mobile terminal was relative to the 1st second, and the change creating x-axis is moved; At the 3rd second, mobile terminal was relative to the 2nd second, and the change creating y-axis is moved; At the 4th second, mobile terminal was relative to the 3rd second, and the change creating z-axis is moved; Compared with the 4th second at the 5th second, the difference of acceleration is 0, and mobile terminal is identical with the 4th second the state of the 5th second, namely keeps stationary state, does not move change.

The present embodiment adopts acceleration transducer to obtain not the acceleration of mobile terminal in the same time, and whether difference is 0 between the acceleration comparing former and later two moment, judge whether mobile terminal produces motion change, this determination methods is simple and reliable, and calculated amount is little, can not impact the processing speed of mobile terminal, the state judging mobile terminal fast can be realized, and then display device can be informed in time when mobile terminal state changes, to realize display device and mobile terminal synchronization enters mode of operation or park mode.

The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better embodiment.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computing machine, server, or the network equipment etc.) perform method described in each embodiment of the present invention.

The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (10)

1. the method automatically waken up of display device, is characterized in that, comprise step:

When display device is in park mode, the exercise data of the mobile terminal that mobile terminal timing acquisition sensor gathers, and judge whether described mobile terminal moves change according to described exercise data;

When described mobile terminal moves change, judge that described mobile terminal enters mode of operation;

Send the mobile terminal high-definition audio and video standard interface control bus being in operational mode state for identifying described mobile terminal and increase code level newly to display device, control display device and automatically enter mode of operation.

2. the method automatically waken up of display device as claimed in claim 1, it is characterized in that, described control display device also comprises after automatically entering the step of mode of operation:

When display device is in mode of operation, the exercise data of the mobile terminal that mobile terminal timing acquisition sensor gathers, and judge whether described mobile terminal moves change according to described exercise data;

When described mobile terminal keeps stationary state, judge whether the duration of described stationary state exceedes preset time threshold;

When the duration of described stationary state exceedes preset time threshold, judge that described mobile terminal enters park mode;

Send the mobile terminal high-definition audio and video standard interface control bus being in park mode state for identifying described mobile terminal and increase code level newly to display device, control display device and automatically enter park mode.

3. the method automatically waken up of display device as claimed in claim 2, it is characterized in that, the described mobile terminal high-definition audio and video standard interface control bus being in operational mode state for identifying described mobile terminal increases the newly-increased coding low level that code level is mobile terminal high-definition audio and video standard interface control bus newly, coded system is: level pulse changes to low level by high level, after low level continues 20ms, then change to high level by low level;

The described mobile terminal high-definition audio and video standard interface control bus being in park mode state for identifying described mobile terminal increases the newly-increased coding high level that code level is mobile terminal high-definition audio and video standard interface control bus newly, coded system is: level pulse changes to low level by high level, after low level continues 100ms, then change to high level by low level.

4. the method that the display device as described in any one of claims 1 to 3 wakes up automatically, is characterized in that, described sensor is acceleration transducer; The exercise data of the mobile terminal that described mobile terminal timing acquisition sensor gathers, and judge that the step whether described mobile terminal moves change comprises according to described exercise data:

X, Y, Z 3-axis acceleration that described mobile terminal timing acquisition sensor gathers;

Compare the difference of the X-axis acceleration of twice collection in front and back respectively, whether the difference of Y-axis acceleration, the difference of Z axis acceleration be 0;

When any one is not 0 in the difference of the difference of the difference of the X-axis acceleration of twice collection in front and back, Y-axis acceleration, Z axis acceleration, judge that described mobile terminal moves change;

When the difference of the X-axis acceleration of twice collection in front and back, the difference of Y-axis acceleration, the difference of Z axis acceleration are 0, judge that described mobile terminal keeps stationary state.

5. the method automatically waken up of display device as claimed in claim 4, it is characterized in that, the exercise data of the mobile terminal that described mobile terminal timing acquisition sensor gathers, and judge that the step whether described mobile terminal moves change comprises according to described exercise data:

Described mobile terminal obtains T respectively _imoment and T _i+1x, Y, Z 3-axis acceleration a (x) that moment sensor gathers _i, a (y) _i, a (z) _iwith a (x) _i+1, a (y) _i+1, a (z) _i+1;

Determine T _imoment and T _i+1difference, the difference of Y-axis acceleration, the difference of Z axis acceleration of X-axis acceleration between moment:

$\left\{\begin{array}{c}\mathrm{Apost}\left(x\right)=\underset{T_i{T}_{i+1}}{\mathrm{\Σ}}|a{\left(x\right)}_{i+1}-a{\left(x\right)}_i|\\ \mathrm{Apost}\left(y\right)=\underset{T_i,T_{i+1}}{\mathrm{\Σ}}|a{\left(y\right)}_{i+1}-a{\left(y\right)}_i|\\ \mathrm{Apost}\left(z\right)=\underset{T_i,T_{i+1}}{\mathrm{\Σ}}{|a\left(z\right)}_{i+1}-a{\left(z\right)}_i|\end{array}\right.;$

Determine that acceleration moves result output quantity:

Aoutput (total)=Apost (x) || Apost (y) || Apost (z); Wherein symbol " || " is logical OR operational symbol;

When acceleration moves result output quantity Aoutput (total)=1, judge that described mobile terminal moves change;

When acceleration moves result output quantity Aoutput (total)=0, judge that described mobile terminal keeps stationary state.

6. the device that automatically wakes up of display device, is characterized in that, comprising:

Data acquisition module, for when display device is in park mode, the exercise data of the mobile terminal that timing acquisition sensor gathers;

According to described exercise data, condition judgment module, for judging whether described mobile terminal moves change; When described mobile terminal moves change, judge that described mobile terminal enters mode of operation;

Signal transmitting module, increases code level newly to display device for sending the mobile terminal high-definition audio and video standard interface control bus being in operational mode state for identifying described mobile terminal, controls display device and automatically enters mode of operation.

7. the device that automatically wakes up of display device as claimed in claim 6, is characterized in that, described data acquisition module also for, when display device is in mode of operation, the exercise data of the mobile terminal that mobile terminal timing acquisition sensor gathers;

Described condition judgment module also for, judge whether described mobile terminal moves change according to described exercise data; When described mobile terminal keeps stationary state, judge whether the duration of described stationary state exceedes preset time threshold; When the duration of described stationary state exceedes preset time threshold, judge that described mobile terminal enters park mode;

Described signal transmitting module also for, send the mobile terminal high-definition audio and video standard interface control bus being in park mode state for identifying described mobile terminal and increase code level newly to display device, control display device automatically enter park mode.

8. the device that automatically wakes up of display device as claimed in claim 7, it is characterized in that, the described mobile terminal high-definition audio and video standard interface control bus being in operational mode state for identifying described mobile terminal increases the newly-increased coding low level that code level is mobile terminal high-definition audio and video standard interface control bus newly, coded system is: level pulse changes to low level by high level, after low level continues 20ms, then change to high level by low level;

The described mobile terminal high-definition audio and video standard interface control bus being in park mode state for identifying described mobile terminal increases the newly-increased coding high level that code level is mobile terminal high-definition audio and video standard interface control bus newly, coded system is: level pulse changes to low level by high level, after low level continues 100ms, then change to high level by low level.

9. the device that the display device as described in any one of claim 6 to 8 wakes up automatically, is characterized in that, described sensor is acceleration transducer; Described condition judgment module specifically for:

X, Y, Z 3-axis acceleration that described mobile terminal timing acquisition sensor gathers;

Compare the difference of the X-axis acceleration of twice collection in front and back respectively, whether the difference of Y-axis acceleration, the difference of Z axis acceleration be 0;

When any one is not 0 in the difference of the difference of the difference of the X-axis acceleration of twice collection in front and back, Y-axis acceleration, Z axis acceleration, judge that described mobile terminal moves change;

When the difference of the X-axis acceleration of twice collection in front and back, the difference of Y-axis acceleration, the difference of Z axis acceleration are 0, judge that described mobile terminal keeps stationary state.

10. the device that automatically wakes up of display device as claimed in claim 9, is characterized in that, described condition judgment module concrete also for:

Described mobile terminal obtains T respectively _imoment and T _i+1x, Y, Z 3-axis acceleration a (x) that moment sensor gathers _i, a (y) _i, a (z) _iwith a (x) _i+ ₁, a (y) _i+ ₁, a (z) _i+ ₁;

Determine T _imoment and T _i+1difference, the difference of Y-axis acceleration, the difference of Z axis acceleration of X-axis acceleration between moment:

$\left\{\begin{array}{c}\mathrm{Apost}\left(x\right)=\underset{T_i{T}_{i+1}}{\mathrm{\Σ}}|a{\left(x\right)}_{i+1}-a{\left(x\right)}_i|\\ \mathrm{Apost}\left(y\right)=\underset{T_i,T_{i+1}}{\mathrm{\Σ}}|a{\left(y\right)}_{i+1}-a{\left(y\right)}_i|\\ \mathrm{Apost}\left(z\right)=\underset{T_i,T_{i+1}}{\mathrm{\Σ}}|a{\left(z\right)}_{i+1}-a{\left(z\right)}_i|\end{array}\right.;$

Determine that acceleration moves result output quantity:

Aoutput (total)=Apost (x) || Apost (y) || Apost (z); Wherein symbol " || " is logical OR operational symbol;

When acceleration moves result output quantity Aoutput (total)=1, judge that described mobile terminal moves change;

When acceleration moves result output quantity Aoutput (total)=0, judge that described mobile terminal keeps stationary state.