CN101815191A - Method for regulating display picture by using portable terminal projector and portable terminal - Google Patents
Method for regulating display picture by using portable terminal projector and portable terminal Download PDFInfo
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- CN101815191A CN101815191A CN201010160130A CN201010160130A CN101815191A CN 101815191 A CN101815191 A CN 101815191A CN 201010160130 A CN201010160130 A CN 201010160130A CN 201010160130 A CN201010160130 A CN 201010160130A CN 101815191 A CN101815191 A CN 101815191A
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Abstract
The invention discloses a realization method for automatically regulating the picture function by using a portable terminal. When a projector is used, position information is automatically acquired, and the output display picture of the projector is correspondingly regulated by combining preset standard position parameters according to the position information, therefore, when a user uses the portable terminal projector, minus effects of display picture rotation or stretcher strain of display content and the like due to sway are reduced, the problem that the watching of the display content is influenced due to personal factors when the portable terminal projector is used is solved, and the practical value of the portable terminal projector is increased.
Description
Technical field
The present invention relates to the portable terminal projector control technology, relate in particular to method and a kind of portable terminal device that a kind of portable terminal projector is adjusted display frame.
Background technology
Because the lifting of porjector technology, integrated level is more and more higher, can be integrated into a very little IC chip to projector module at present, and realized projecting function on portable terminal device, and the little problem in portable terminal device viewing area just is readily solved.But the problem of bringing simultaneously is; when using the projecting apparatus playing lantern slides; often use hand and take and operate portable terminal device; therefore may produce and rock or the projection angle skew; cause display frame angular deflection or displaying contents stretcher strain; influence the displaying contents reading, reduced the usability of projector functions.It is convenient when using projector functions how to satisfy the user, has become the problem that presses for solution.
There has been at present manufacturer production to go out mobile phone with projector functions, but in use, because projection angle or need the user to come operating handset sometimes, cause display frame deflection, stretcher strain in watching process, influence very much visual effect, brought negative effect for the combination of mobile phone and projecting apparatus, practicality is not high.
Summary of the invention
Technical problem to be solved by this invention provides the implementation method that a kind of portable terminal device is adjusted picture function automatically, is used for solving the problem of picture deflection in the use of prior art portable terminal projector, stretching.
The present invention has adopted following technical scheme:
A kind of method of adjusting display picture by using portable terminal projector comprises:
Step 1 is obtained the positional information of described portable terminal projector;
Step 2 according to described positional information and default normal place parameter, is adjusted the picture to be shown of described portable terminal projector.
Further, described step 2 specifically comprises: the difference of calculating described positional information and described normal place parameter:
If the absolute value of described difference greater than predetermined threshold value, is then adjusted described picture to be shown;
If the absolute value of described difference is less than or equal to described predetermined threshold value, then do not adjust described picture to be shown.
Further, described default normal place parameter comprises standard level location parameter, standard vertical location parameter, standard north-south position parameter; The described positional information of described calculating specifically comprises with the difference of described normal place parameter: calculate and the horizontal difference of described standard level location parameter, the calculating north and south difference with vertical difference, calculating and the described standard north-south position parameter of described standard vertical location parameter; And
If the absolute value of described horizontal difference is greater than the preset level threshold value, then described picture to be shown is carried out adjustment on the horizontal level;
If the absolute value of described vertical difference is greater than default vertical threshold, then described picture to be shown is carried out adjustment on the upright position;
If the absolute value of described north and south difference is greater than default north and south threshold value, then described picture to be shown is carried out adjustment on the north-south position.
Carry out described step 2 according to predetermined adjusting frequency.
Also comprise after the described step 2: show adjusted described picture.
Before starting, described portable terminal projector described normal place parameter is set according to user's needs.
The present invention also provides a kind of portable terminal projector, has projector functions, comprising: central processing unit and position transducer;
Described position transducer is used to obtain the positional information of described portable terminal device, and described positional information is sent to described central processing unit;
Described central processing unit is used for according to default normal place parameter, and the positional information that receives, and default normal place parameter, and the picture to be shown of described portable terminal projector is adjusted.
Further, described portable terminal projector also comprises: display unit is used to show adjusted described picture to be shown.
Described central processing unit specifically comprises: processing module, contrast module, adjusting module;
Described processing module is used for sending described positional information to described contrast module, and handles the return information of described contrast module, and the result after handling is sent to described adjusting module;
Described contrast module is used for described positional information and the normal place parameter that prestores are compared, and comparing result is sent to described processing module;
Described adjusting module is used to receive the result after described processing module is handled, and adjusts described picture to be shown according to described result.
Described central processing unit also comprises: trigger module is used for triggering the positional information that described position transducer removes to obtain described portable terminal projector when described portable terminal projector starts.
The invention has the beneficial effects as follows: when projecting apparatus uses, can obtain positional information automatically, projecting apparatus output display frame is adjusted accordingly, make the user when using portable terminal projector, can reduce owing to rocking ill effects such as the display frame rotation that brings or displaying contents stretcher strain, solved the displaying contents that influences that when using portable terminal projector, causes and watched problem, increased the practical value of portable terminal projector owing to human factor.
Description of drawings
Fig. 1 realizes adjusting automatically the flow chart of the method for display frame for portable terminal projector of the present invention;
Fig. 2 realizes adjusting automatically the flow chart of the method embodiment of display frame for portable terminal projector of the present invention;
Fig. 3 is the structural representation of portable terminal device embodiment of the present invention;
Fig. 4 is the structural representation of central processing unit embodiment illustrated in fig. 3.
Embodiment
In conjunction with the accompanying drawings the present invention is described in further detail below by embodiment.
Usually, projecting apparatus has the placement location of a standard when carrying out projection, under the placement location of this standard, the picture that projector projects goes out will obtain having the display frame of best relatively display effect on projection screen, claim that this display frame is standard display frame.Because common projection screen is rectangle, so standard display frame also be rectangle, and its base is parallel with horizontal line respectively with top margin, its limit, left side is parallel with vertical line respectively with right edge, the while is about it and displaying ratio is even up and down.
Yet if the placement location of projecting apparatus is offset with respect to the placement location of standard, its picture displayed on projection screen will no longer be standard display frame, but produce distortion or deflection with respect to standard display frame.For the different deviation posts of clearer explanation projecting apparatus, this paper has defined following term:
Projected coordinate system: have X-axis, Y-axis and the Z axle of pairwise orthogonal, wherein, X-axis is the base of standard display frame, Y-axis is the limit, left side of standard display frame, the normal parallel on Z axle and plane, standard display frame place, when projecting apparatus was in the standard placement location, its optical axis was parallel with the Z axle.Coordinate origin is the summit, lower-left of standard display frame.
Projecting apparatus generally has three kinds of basic skews with respect to the standard placement location:
1) with respect to Z axle generation angular deflection, the distortion that will cause the display frame that is projected on the projection screen to produce left and right directions with respect to standard display frame this moment claims the projecting apparatus optical axis on the X-Z plane: the north and south rotation;
2) with respect to Z axle generation angular deflection, the distortion that will cause the display frame that is projected on the projection screen to produce above-below direction with respect to standard display frame this moment claims the projecting apparatus optical axis on the Y-Z plane: vertical rotation;
3) projecting apparatus is the rotation at center with respect to the generation of standard placement location with the Z axle, will cause this moment the display frame that is projected on the projection screen to produce clockwise or counterclockwise deflection with respect to standard display frame, claims: left rotation and right rotation.
More than be the basic skew of projecting apparatus with respect to the standard placement location, the skew of three kinds of any combination in the basic skew also may take place in projecting apparatus simultaneously, is referred to as compound skew.
As shown in Figure 1, portable terminal projector of the present invention realizes that the method for adjusting display frame automatically is,
Step S100 obtains the positional information of described portable terminal projector;
Step S200, according to described positional information and default normal place parameter the display frame of described portable terminal projector is adjusted, whether the difference by more described positional information and default normal place parameter is greater than preset threshold value, if then adjust display frame automatically, otherwise do not handle greater than predetermined threshold value.
The normal place parameter is provided with according to user's needs before projecting apparatus starts, at horizontally rotate, vertically rotation, north and south rotation, the normal place parameter specifically comprises: standard level location parameter, standard vertical location parameter, standard north-south position parameter etc.Horizontal level parameter, upright position parameter, the north-south position parameter of the standard of acquiescence are provided with by calibrating.Preset threshold value comprises preset level threshold value, default vertical threshold, default north and south threshold value etc.
Further specify the inventive method with embodiment, as shown in Figure 2.
Present embodiment is to be example to horizontally rotate, and can also be the rotation of vertical rotation and/or north and south among other embodiment.The standard level location parameter is used for subsequent reference and contrast; The user can select the position of horizontal level as standard in one embodiment, promptly by calibration these parameters is set; The angle that the user can be provided with arbitrarily between portable terminal device and horizontal plane among the another kind of embodiment is the horizontal level of standard.Be the standard level position up with portable terminal front side level in the present embodiment.Before starting projecting apparatus, whether portable terminal device can point out the user to need to reset in the present embodiment.If the user need reset, then give tacit consent to, and preserve this information to be used for the contrast of subsequent step with the form of digital signal the horizontal level of current location information as standard.
Threshold value is to be used for follow-up contrast.Be provided with respectively with horizontal level, upright position, the corresponding deviation of north-south position as threshold value, this threshold value and self-adjusting frequency dependence; The self-adjusting frequency of the more little explanation of threshold value will be high more, and the display quality of natural picture also can be high more.In practical operation, if threshold value is too little, self-adjusting frequency can be than higher, and corresponding meeting makes system loading too high; Need select threshold value according to the several times experiment.
To adjust this function setting automatically for opening or closing to display frame in the present embodiment, the user can select to open or close this function.
When projecting apparatus is worked, obtain its positional information, and difference and the preset level threshold value of this positional information with the standard level location parameter of presetting compared.
If the absolute value of the difference of positional information and standard level location parameter is no more than threshold value, then change step 207;
If the absolute value of the difference of positional information and standard level location parameter surpasses threshold value, then change step 204.
The adjustment scheme that adopts in the present embodiment is that yawing moment is judged, whether whether the difference of promptly judging positional information and standard level location parameter greater than zero, promptly for just, if for just illustrating that this moment, portable terminal device was counterclockwise deflection, change step 205; If, change step 206 for negative explanation portable terminal device is clockwise deflection.
The anglec of rotation is current angle difference, thereby guarantees that the display frame that the user sees remains horizontal level.Mode by software in the present embodiment realizes rotation, can use for reference the picture spinfunction that the windows system carries the picture handling implement among a kind of embodiment.
Step 206 is rotated counterclockwise the content of display frame.
The anglec of rotation is current angle difference, thereby guarantees that the display frame that the user sees remains horizontal level.Mode by software in the present embodiment realizes rotation, can use for reference the picture spinfunction that the windows system carries the picture handling implement among a kind of embodiment.
Step 207 is not handled, and does not promptly adjust the picture displaying contents.
Again carry out the judgement of position until closing automatic adjustment function or closing projecting apparatus according to the default execution above-mentioned steps 203-207 that adjusts frequency.
It is that example describes that the foregoing description is only proofreaied and correct with projecting apparatus display frame horizontal level deflection angle, and display frame also should comprise the correction adjustment of vertical rotation, north and south rotation causing picture stretcher strain in other concrete enforcements.Use portable terminal projector provided by the invention and adjust the method for display frame, when using, projecting apparatus can obtain positional information automatically, projecting apparatus output display frame is adjusted accordingly, avoided the user when manually controlling portable terminal device, brought the ill effect of angular deflection or stretcher strain for projecting apparatus display frame, solved the displaying contents that influences that when using the hand portable terminal projector, causes and watched problem, increased the practical value of portable terminal projector owing to human factor.
The present invention is directed to above-mentioned automatic adjusting display frame function and also provide corresponding a kind of portable terminal projector, comprise central processing unit, position transducer, display unit, wherein, position transducer is used to obtain the positional information of described portable terminal projector, and described positional information is sent to described central processing unit; Central processing unit is used for according to default normal place parameter, and the positional information that receives, and default normal place parameter, and the picture to be shown of described portable terminal projector is adjusted; Display unit is used to show adjusted described picture to be shown.
Central processing unit is divided into processing module, contrast module and adjusting module according to its function; Wherein, processing module is used for sending positional information to the contrast module, and handles the return information of contrast module, and the result after handling is sent to adjusting module; The contrast module is used for positional information and the normal place parameter that prestores are compared, and comparing result is sent to processing module; Adjusting module is used for the result after receiving processing module is handled, and adjusts described picture to be shown according to the result.Among a kind of embodiment, central processing unit also comprises: trigger module is used for triggering the positional information that described position transducer removes to obtain described portable terminal projector when described portable terminal projector starts.
Provide a kind of portable terminal device embodiment that has projector functions below, have above-mentioned automatic adjustment display frame function.As shown in Figure 3, this portable terminal device comprises position sensor arrangement 301, central processing unit 302, display unit 303.In projecting apparatus work and when adjusting menu display function automatically and opening, position sensor arrangement 301 is subjected to central processing unit 302 to trigger the positional information of removing to obtain portable terminal device, and this positional information is sent to central processing unit 302; The positional information that central processing unit 302 receiving position sensor devices 301 transmit, compare according to the location parameter of this positional information with the standard that prestores, calculate and carry out the judgement whether display frame adjusted after the difference, and judge and adjust direction and angle, and change the displaying contents of adjusting into display unit 303 and be fit to the forms play, be transported to display unit 303 then; The content that 303 demonstration central processing units 302 of display unit transport.
Adjusting module 404 is used for the adjustment information that will receive, adjusts the projecting apparatus displaying contents.
It is that example describes that the foregoing description is only proofreaied and correct with projecting apparatus display frame horizontal level deflection angle, and display frame also should comprise the correction adjustment of vertical rotation, north and south rotation causing picture stretcher strain in other concrete enforcements.Use the problem that portable terminal projector provided by the invention has solved picture deflection in the portable terminal projector use, stretching.
Above content be in conjunction with concrete execution mode to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the those of ordinary skill of technical field of the present invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a method of adjusting display picture by using portable terminal projector is characterized in that, comprising:
Step 1 is obtained the positional information of described portable terminal projector;
Step 2 according to described positional information and default normal place parameter, is adjusted the picture to be shown of described portable terminal projector.
2. the method for claim 1 is characterized in that, described step 2 specifically comprises: the difference of calculating described positional information and described normal place parameter:
If the absolute value of described difference greater than predetermined threshold value, is then adjusted described picture to be shown;
If the absolute value of described difference is less than or equal to described predetermined threshold value, then do not adjust described picture to be shown.
3. method as claimed in claim 2 is characterized in that, described default normal place parameter comprises standard level location parameter, standard vertical location parameter, standard north-south position parameter; The described positional information of described calculating specifically comprises with the difference of described normal place parameter: calculate and the horizontal difference of described standard level location parameter, the calculating north and south difference with vertical difference, calculating and the described standard north-south position parameter of described standard vertical location parameter; And
If the absolute value of described horizontal difference is greater than the preset level threshold value, then described picture to be shown is carried out adjustment on the horizontal level;
If the absolute value of described vertical difference is greater than default vertical threshold, then described picture to be shown is carried out adjustment on the upright position;
If the absolute value of described north and south difference is greater than default north and south threshold value, then described picture to be shown is carried out adjustment on the north-south position.
4. as each described method of claim 1 to 3, it is characterized in that, carry out described step 2 according to predetermined adjusting frequency.
5. as each described method of claim 1 to 3, it is characterized in that, also comprise after the described step 2: show adjusted described picture.
6. as each described method of claim 1 to 3, it is characterized in that, before described portable terminal projector starts, described normal place parameter is set according to user's needs.
7. a portable terminal projector has projector functions, it is characterized in that, comprising: central processing unit and position transducer;
Described position transducer is used to obtain the positional information of described portable terminal projector, and described positional information is sent to described central processing unit;
Described central processing unit is used for according to default normal place parameter, and the positional information that receives, and default normal place parameter, and the picture to be shown of described portable terminal projector is adjusted.
8. portable terminal projector as claimed in claim 7 is characterized in that, described portable terminal projector also comprises: display unit is used to show adjusted described picture to be shown.
9. as claim 7 or 8 described portable terminal projectors, it is characterized in that described central processing unit specifically comprises: processing module, contrast module, adjusting module;
Described processing module is used for sending described positional information to described contrast module, and handles the return information of described contrast module, and the result after handling is sent to described adjusting module;
Described contrast module is used for described positional information and the normal place parameter that prestores are compared, and comparing result is sent to described processing module;
Described adjusting module is used to receive the result after described processing module is handled, and adjusts described picture to be shown according to described result.
10. portable terminal projector as claimed in claim 9 is characterized in that, described central processing unit also comprises: trigger module is used for triggering described position transducer and going to obtain described positional information when described portable terminal projector starts.
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| CN201010160130A CN101815191A (en) | 2010-04-24 | 2010-04-24 | Method for regulating display picture by using portable terminal projector and portable terminal |
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| CN201010160130A CN101815191A (en) | 2010-04-24 | 2010-04-24 | Method for regulating display picture by using portable terminal projector and portable terminal |
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| CN103051782A (en) * | 2012-12-10 | 2013-04-17 | 广东欧珀移动通信有限公司 | Mobile terminal projection regulating method and device |
| CN103376627A (en) * | 2012-04-17 | 2013-10-30 | 台达电子工业股份有限公司 | Projector, projection system comprising same, and image automatic adjusting method of same |
| CN103577130A (en) * | 2012-07-23 | 2014-02-12 | 联想(北京)有限公司 | Display method and electronic device |
| CN104243879A (en) * | 2013-06-24 | 2014-12-24 | 中兴通讯股份有限公司 | Image correcting method for projection terminal and projection terminal |
| CN104461003A (en) * | 2014-12-11 | 2015-03-25 | 联想(北京)有限公司 | Information processing method and electronic device |
| CN104731309A (en) * | 2013-12-24 | 2015-06-24 | 联想(北京)有限公司 | Electronic equipment and method and device for regulating and controlling same |
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| CN103376627A (en) * | 2012-04-17 | 2013-10-30 | 台达电子工业股份有限公司 | Projector, projection system comprising same, and image automatic adjusting method of same |
| CN103577130A (en) * | 2012-07-23 | 2014-02-12 | 联想(北京)有限公司 | Display method and electronic device |
| CN103051782A (en) * | 2012-12-10 | 2013-04-17 | 广东欧珀移动通信有限公司 | Mobile terminal projection regulating method and device |
| CN103051782B (en) * | 2012-12-10 | 2016-03-23 | 广东欧珀移动通信有限公司 | A kind of mobile terminal projection method of adjustment and device |
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| CN104243879A (en) * | 2013-06-24 | 2014-12-24 | 中兴通讯股份有限公司 | Image correcting method for projection terminal and projection terminal |
| CN104731309B (en) * | 2013-12-24 | 2018-11-09 | 联想(北京)有限公司 | Method, regulation device and electronic equipment for regulating and controlling electronic equipment |
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| CN105450960B (en) * | 2014-06-30 | 2019-07-26 | 联想(北京)有限公司 | A kind of control method and electronic equipment |
| CN104461003A (en) * | 2014-12-11 | 2015-03-25 | 联想(北京)有限公司 | Information processing method and electronic device |
| CN104461003B (en) * | 2014-12-11 | 2019-02-05 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN105759943A (en) * | 2014-12-15 | 2016-07-13 | 联想(北京)有限公司 | Information processing method and electronic device |
| CN105759943B (en) * | 2014-12-15 | 2018-12-14 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN107454372B (en) * | 2016-06-01 | 2021-05-14 | 中兴通讯股份有限公司 | Image correction method and device and projector |
| CN107454372A (en) * | 2016-06-01 | 2017-12-08 | 中兴通讯股份有限公司 | Method for correcting image, device and projecting apparatus |
| CN110100432A (en) * | 2016-12-26 | 2019-08-06 | 索尼公司 | Optical projection system, projection device and pedestal |
| CN106993173A (en) * | 2017-04-07 | 2017-07-28 | 青岛海信宽带多媒体技术有限公司 | A kind of micro- correction triggering method and micro- throwing equipment for throwing equipment |
| CN107197222A (en) * | 2017-05-25 | 2017-09-22 | 青岛海信电器股份有限公司 | Generate the method and device of the control information of projector equipment |
| CN109828735A (en) * | 2019-03-27 | 2019-05-31 | 上海白泽网络科技有限公司 | A kind of projection screen exchange method and device |
| CN111458964A (en) * | 2020-04-26 | 2020-07-28 | 青岛海信激光显示股份有限公司 | Laser projection equipment |
| CN111458964B (en) * | 2020-04-26 | 2022-02-08 | 青岛海信激光显示股份有限公司 | Laser projection equipment |
| CN113900568A (en) * | 2021-11-16 | 2022-01-07 | 创盛视联数码科技（北京）有限公司 | Picture rotating method, electronic device and storage medium thereof |
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Application publication date: 20100825 |