CN101894538A - Method and device for controlling screen display frames - Google Patents
Method and device for controlling screen display frames Download PDFInfo
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- CN101894538A CN101894538A CN 201010232099 CN201010232099A CN101894538A CN 101894538 A CN101894538 A CN 101894538A CN 201010232099 CN201010232099 CN 201010232099 CN 201010232099 A CN201010232099 A CN 201010232099A CN 101894538 A CN101894538 A CN 101894538A
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Abstract
The invention provides a method for controlling screen display frames, comprising the following steps: measuring the distance between a display screen of display equipment and the user in real time; and automatically adjusting the sizes of the display frames on the display screen according to the variation of the measured distance. By the method, the sizes of the screen display frames can be automatically adjusted based on the distance between the display screen and the user under the condition that extra input is unnecessary to be carried out by the user, thus enhancing user experience.
Description
Technical field
The present invention relates to screen-picture and show the field, more specifically, relate to a kind of on-screen displays control method and device based on the distance between display screen and the user.
Background technology
Along with the progress of society and the development of technology, people use a computer more and more or portable terminal carries out work, for example utilize computing machine or portable terminal to come reading documents or browsing page information on network.Carrying out that document is read or info web when browsing, in order to make user's document reading or info web browse comfortable, along with the variable in distance between the display screen of user and computing machine or portable terminal, need the size of the display frame on the display screen correspondingly be changed, for example, when the distance between the display screen of user and computing machine or portable terminal becomes big, display frame on the display screen is become big, and the distance between the display screen of user and computing machine or portable terminal diminishes the display frame on the display screen when becoming big.
In the prior art, mainly adopt dual mode to come the screen-picture demonstration of computing machine or portable terminal is controlled.First kind of mode is the size of amplifying or dwindling the display frame of display screen by the physical button that is provided with on computing machine or the portable terminal.The second way is by the touch display screen curtain, and for example picture amplifies or multiple point touching, comes display frame on the control display screen curtain to become big or dwindles.Yet, these two kinds of modes of operation all need to control display effect by extra input, thereby make when the user does not wish to carry out extra input operation, can't control the display effect of screen-picture according to the distance between display screen and the user, thereby cause user experience not good.
Summary of the invention
In view of the above problems, the purpose of this invention is to provide a kind of on-screen displays control method and device, it can need not under the situation that the user additionally imports, based on the distance between display screen and the user, automatically adjust the demonstration size of on-screen displays, thereby strengthen user experience.
According to an aspect of the present invention, provide a kind of on-screen displays control method, having comprised:
The display screen of display device and the distance between the user are measured in real time; And
According to the variation of measured distance, automatically adjust the size of the display frame on the display screen.
Preferably, the real-time measurement of the display screen of described display device and the distance between the user utilizes range finding inductor or preposition camera to carry out.
In addition, only when the variation of measured distance meets or exceeds preset threshold value, just can adjust accordingly the size of the display frame on the display screen.
According to a further aspect in the invention, provide a kind of on-screen displays control device, having comprised:
Distance measuring unit is used for the display screen of display device and the distance between the user are measured in real time; And
Adjustment unit is used for the variation according to measured distance, automatically adjusts the size of the display frame on the display screen.
Preferably, the real-time measurement of the display screen of described display device and the distance between the user utilizes range finding inductor or preposition camera to carry out.Described range finding inductor or preposition camera are arranged on the inside or the outside of described screen-picture display control unit.
In addition, described on-screen displays control device can also comprise judging unit, is used to judge whether the variation of measured distance meets or exceeds preset threshold value.Only when the variation of measured distance meets or exceeds preset threshold value, just can adjust accordingly the size of the display frame on the display screen.
Utilize above-mentioned according to on-screen displays control method of the present invention and device, can need not under the situation that the user additionally imports, based on the distance between display screen and the user, the demonstration size of automatically adjusting on-screen displays makes that user's reading is more comfortable, thereby strengthens user experience.
In order to realize above-mentioned and relevant purpose, one or more aspects of the present invention comprise the feature that the back will describe in detail and particularly point out in the claims.Following explanation and accompanying drawing describe some illustrative aspects of the present invention in detail.Yet, the indication of these aspects only be some modes that can use in the variety of way of principle of the present invention.In addition, the present invention is intended to comprise all these aspects and their equivalent.
Description of drawings
By the content of reference below in conjunction with the description of the drawings and claims, and along with understanding more comprehensively of the present invention, other purpose of the present invention and result will understand and easy to understand more.In the accompanying drawings:
Fig. 1 shows the process flow diagram of screen-picture display control method according to an embodiment of the invention;
Fig. 2 shows and carry out the synoptic diagram that the display frame size is adjusted under the first poor pattern of user's eyesight;
Fig. 3 shows the synoptic diagram that carries out the display frame adjustment under the second pattern situation of more reading content providing for the small screen;
Fig. 4 shows the process flow diagram of screen-picture display control method according to another preferred embodiment of the invention;
Fig. 5 shows the block schematic diagram of screen-picture display control unit according to an embodiment of the invention; And
Fig. 6 shows the block schematic diagram of screen-picture display control unit according to another embodiment of the present invention.
Identical label is indicated similar or corresponding feature or function in institute's drawings attached.
Embodiment
Below with reference to accompanying drawing specific embodiments of the invention are described in detail.
Fig. 1 shows the process flow diagram of screen-picture display control method according to an embodiment of the invention.
As shown in Figure 1, at first, in step S110, measure the display screen of display device and the distance between the user in real time.For example, can utilize display screen that the range finding inductor that is arranged in the display device or preposition camera measure display device in real time and the distance between the user.
Under the situation of utilizing the range finding inductor, time t1 in the time of for example can utilizing the ultrasound wave that the range finding inductor sends and range finding inductor receive the time t2 when arriving the ultrasound wave that user's back reflection returns, and calculate both mistiming Δ t=t2-t1.Then, utilize the velocity of sound and this mistiming multiplies each other and divided by 2 distances that obtain between display screen and the user.
Utilizing under the situation of preposition camera, can utilize preposition camera to catch user's face feature point,, calculating the display screen of display device and the distance between the user then by the variation of the geometric figure area that calculated characteristics point constituted.
After the distance between the display screen of measuring display device and the user, flow process proceeds to step S120.In step S120,, automatically adjust the size of the display frame on the display screen according to the variation of measured distance.Wherein, the size of described display frame can change according to the variation of measured distance proportionally, perhaps according to predetermined about the variable in distance value function expression and change.For example, suppose that shown font size is 18 pounds when distance is 1 meter, then when distance was 1.5 meters, font size was 24 pounds, and when distance was 2 meters, font size was 30 pounds.
Fig. 2 shows and carry out the synoptic diagram that the display frame size is adjusted under the first poor pattern of user's eyesight.Fig. 3 shows and carry out the synoptic diagram that display frame is adjusted under second pattern that more reading content is provided for the small screen.
Under the situation of Fig. 2, at first calculate the display screen of display device and the distance between the user.Then, according to the degree of user, amplify display text or picture size near screen.When the user distance screen is near more, display text or Show Picture big more.And when the user distance screen is far away more, display text or Show Picture more little.
Under the situation of Fig. 3, at first calculate the display screen of display device and the distance between the user.Then, according to the degree of user, dwindle display text or picture size near screen.When the user distance screen is near more, display text or Show Picture more little.And when the user distance screen is far away more, display text or Show Picture big more.
Fig. 4 shows the process flow diagram of screen-picture display control method according to another embodiment of the present invention, and it is the improvement of the foregoing description.
As shown in Figure 4, at first, in step S410, measure the display screen of display device and the distance between the user in real time.For example, can utilize display screen that the range finding inductor that is arranged in the display device or preposition camera measure display device in real time and the distance between the user.Utilize range finding inductor or preposition camera to measure the mode of the display screen of display device and the distance between the user and above-mentioned identical in real time, do not repeat them here.
Then, in step S420, judge whether the measured distance and the difference of the last distance of measuring meet or exceed preset threshold value.For example suppose that the current distance of measuring is L
n, the preceding distance of once measuring is L
N-1, calculate poor Δ L=L between the two
n-L
N-1Then, with above-mentioned difference DELTA L and preset threshold value L
ThCompare.Here, preset threshold value L
ThCan adjust as required.
If difference DELTA L meets or exceeds this threshold value L
ThThen step proceeds to step S430, size according to variable in distance, automatically the size of the display frame on the display screen is adjusted accordingly, for example, the size of described display frame can change according to measured variable in distance proportionally, perhaps changes according to the function expression about the variable in distance value.Otherwise step proceeds to step S440, the size of the display frame on the display screen is not adjusted.Particularly, the size of described display frame can change pro rata according to measured distance, for example, if Δ L is less than L
Th, then the size of the display frame on the display screen is not adjusted.If Δ L is more than or equal to L
ThBut less than 2L
Th, then with 6 pounds of the size adjustment of display font (amplify or dwindle).If Δ L is more than or equal to 2L
ThBut less than 3L
Th, then with 12 pounds of the size adjustment of display font (amplify or dwindle).So analogize.Perhaps, also can correspondingly adjust according to the variable in distance amount according to predetermined function expression about the variable in distance value.
Screen-picture display control method according to Fig. 4 is applicable to Fig. 2 and situation illustrated in fig. 3 too.
As above described according to screen-picture display control method of the present invention with reference to Fig. 1-Fig. 4.Above-mentioned screen-picture display control method of the present invention can adopt software to realize, also can adopt hardware to realize, or adopts the mode of software and hardware combination to realize.
Fig. 5 shows the block diagram of screen-picture display control unit 500 according to an embodiment of the invention.As shown in Figure 5, screen-picture display control unit 500 comprises distance measuring unit 510 and adjustment unit 520.
The display screen of 510 pairs of display devices of described distance measuring unit and the distance between the user are measured in real time.The display screen of described display device and the distance between the user are that utilization is arranged on described screen-picture display control unit 500 inside or outside range finding inductor or preposition camera measured in real time, as mentioned above.
After the distance between the display screen of measuring display device and the user, adjustment unit 520 is automatically adjusted the size of the display frame on the display screen according to the variation of measured distance.The size of described on-screen displays can change according to measured variable in distance proportionally, perhaps changes according to the predetermined function expression about the variable in distance value.
Fig. 6 shows the block diagram of screen-picture display control unit 600 according to another embodiment of the present invention, and it is the improvement according to the described screen-picture display control unit 500 of Fig. 5.
As shown in Figure 6, screen-picture display control unit 600 comprises distance measuring unit 610, judging unit 620 and adjustment unit 630.
The display screen of 610 pairs of display devices of described distance measuring unit and the distance between the user are measured in real time.The display screen of described display device and the distance between the user are that utilization is arranged on described screen-picture display control unit 600 inside or outside range finding inductor or preposition camera measured in real time, as mentioned above.
After the distance between the display screen of measuring display device and the user, judging unit 620 judges whether the variable in distance between the distance of measured distance and preceding one-shot measurement meets or exceeds preset threshold value.
Whether adjustment unit 630 meets or exceeds preset threshold value according to the variation of measured distance, automatically adjusts the size of the display frame on the display screen.If the variation of measured distance meets or exceeds this preset threshold value, then according to the size of variable in distance, automatically the size of the display frame on the display screen is adjusted accordingly, for example, the size of described display frame can change according to measured variable in distance proportionally, perhaps changes according to the predetermined function expression about the variable in distance value.If the variable in distance that is calculated is less than this preset threshold value, then adjustment unit 630 is not adjusted the size of the display frame on the display screen.
The described on-screen displays control device of Fig. 5 and Fig. 6 can be arranged in portable terminal, perhaps is arranged in the browser of portable terminal.
As above describe according to screen-picture display control method of the present invention and device in the mode of example with reference to Fig. 1-Fig. 6.But, it will be appreciated by those skilled in the art that the screen-picture display control method and the device that propose for the invention described above, can also on the basis that does not break away from content of the present invention, make various improvement.Therefore, protection scope of the present invention should be determined by the content of appending claims.
Claims (9)
1. on-screen displays control method comprises:
The display screen of display device and the distance between the user are measured in real time; And
According to the variation of measured distance, automatically adjust the size of the display frame on the display screen.
2. on-screen displays control method as claimed in claim 1, wherein, the real-time measurement of the display screen of described display device and the distance between the user utilizes range finding inductor or preposition camera to carry out.
3. on-screen displays control method as claimed in claim 1 wherein, only when the difference of measured distance and the last distance of measuring meets or exceeds preset threshold value, just can be adjusted the size of the display frame on the display screen accordingly.
4. on-screen displays control device comprises:
Distance measuring unit is used for the display screen of display device and the distance between the user are measured in real time; And
Adjustment unit is used for the variation according to measured distance, automatically adjusts the size of the display frame on the display screen.
5. on-screen displays control device as claimed in claim 4, wherein, the real-time measurement of the display screen of described display device and the distance between the user utilizes range finding inductor or preposition camera to carry out.
6. on-screen displays control device as claimed in claim 5, wherein, described range finding inductor or preposition camera are arranged on the inside or the outside of described screen-picture display control unit.
7. on-screen displays control device as claimed in claim 4 also comprises judgment means, is used to judge whether the measured distance and the difference of the last distance of measuring meet or exceed preset threshold value,
Wherein, only when the difference of measured distance and the last distance of measuring meets or exceeds preset threshold value, just can adjust accordingly the size of the display frame on the display screen.
8. on-screen displays control device as claimed in claim 4, wherein, described device is arranged in described portable terminal.
9. on-screen displays control device as claimed in claim 8, wherein, described device is arranged in the browser of described portable terminal.
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| CN201010232099XA CN101894538B (en) | 2010-07-15 | 2010-07-15 | Method and device for controlling screen display frames |
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| CN201010232099XA CN101894538B (en) | 2010-07-15 | 2010-07-15 | Method and device for controlling screen display frames |
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