CN102855001A - Vehicle-mounted system - Google Patents
Vehicle-mounted system Download PDFInfo
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- CN102855001A CN102855001A CN2011101831189A CN201110183118A CN102855001A CN 102855001 A CN102855001 A CN 102855001A CN 2011101831189 A CN2011101831189 A CN 2011101831189A CN 201110183118 A CN201110183118 A CN 201110183118A CN 102855001 A CN102855001 A CN 102855001A
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Abstract
A vehicle-mounted system comprises a trackball, a trackball signal processing circuit, a graphic memory, a processor and a display screen. The trackball signal processing circuit is connected with the trackball and used for producing trackball movement signals carrying movement information of the trackball when the trackball is operated, and the movement information of the trackball comprises a rolling direction of the trackball, a rolling ring number of the trackball or pressing-down operation of the trackball. The graphic memory is used for storing interface information which comprises layout information of an interface. The processor is connected with the trackball signal processing circuit and the graphic memory, used for obtaining the trackball movement signals from the trackball signal processing circuit and current interface information from the graphic memory, and used for producing new interface information and storing the new interface information in the graphic memory based on current interface information and the trackball movement signals. The display screen is used for obtaining the new interface information and displaying a new interface. The technical scheme enables the trackball to be applied to the vehicle-mounted system, and brings simple and rapid operation of the vehicle-mounted system of a user.
Description
Technical field
The present invention relates to the onboard system technical field, particularly a kind of onboard system.
Background technology
Nowadays, development of automobile industry is rapid, and the quantity of automobile is more and more, and onboard system is also more and more universal.Along with reaching its maturity of automotive engineering and onboard system technology, people begin progressively to pay close attention to the experience of onboard system.
At present onboard system mostly adopts the described onboard system of formal operations of button, because the function of onboard system is more, and button is controlled the operation of one or both functions basically, so the button in the onboard system is more, obscures easily in use.In addition, because the button of touch-screen location is not very accurate, often occur to touch repeatedly the still situation of unrealized operating function, so the user uses touch-screen can not operate very easily described onboard system in startup procedure.
Application number is 200710124543.4 Chinese invention patent application, discloses a kind of track ball cursor action control method and device, may further comprise the steps: A1. detects the velocity of rotation of trace ball or the displacement in the Fixed Time Interval in real time; B1. according to the variation of trace ball velocity of rotation or the variation of Fixed Time Interval intrinsic displacement trace ball rotation displacement and the scale of cursor between the displacement on the display screen are set in real time, make described scale become large with the increase of described velocity of rotation or Fixed Time Interval intrinsic displacement.This technical scheme has been taken into account sensitivity and accuracy requirement, and establishment the mistake of trace ball move.
How trace ball is applied in the onboard system, the operation onboard system of user friendly simple and fast becomes a kind of trend that the future car loading system develops.
Summary of the invention
The problem that the embodiment of the invention solves is how trace ball to be applied in the onboard system, makes things convenient for the operation onboard system of user's simple and fast.
For addressing the above problem, the invention provides a kind of onboard system, comprising:
Trace ball;
The trace ball signal processing circuit, link to each other with described trace ball, in order to produce the trace ball actuating signal of the action message of carrying described trace ball when operating described trace ball, the action message of described trace ball comprises the direction of described trace ball rolling, the number of turns or the described trace ball push of rolling;
Video memory, in order to store interface information, described interface information comprises the layout information at interface;
Processor, link to each other with video memory with described trace ball signal processing circuit, in order to obtaining described trace ball actuating signal and obtain current interface information from described video memory from described trace ball signal processing circuit, produce new interface information and be stored in the described video memory based on current interface information and described trace ball actuating signal;
Display screen in order to obtain described new interface information, shows new interface.
Optionally, described processor comprises:
The signal recognition unit, link to each other with described video memory with described trace ball signal processing circuit, in order to obtain described trace ball actuating signal from described trace ball signal processing circuit, obtain described current interface information from described video memory, determine operation information based on described current interface information and described trace ball actuating signal, described operation information comprises operand and the operation that operand is carried out;
The interface information processing unit links to each other with described signal recognition unit, in order to produce new interface information based on the definite operation information of described signal recognition unit and to be stored in the described video memory.
Optionally, described operand comprises control, the page or application program.
Optionally, the described page comprises Webpage, the map page or the e-book page.
Optionally, the operation that operand is carried out of described trace ball comprises mobile, selected or convergent-divergent.
Optionally, described action message also comprises time and the number of times that described trace ball is pressed.
Optionally, the diameter of described trace ball is 3cm-5cm.
Optionally, described onboard system also comprises groove, in order to place described trace ball.
Optionally, the described trace ball height that exposes described groove is 1cm-2cm.
Optionally, described trace ball is located on bearing circle and/or the display.
Compared with prior art, technical scheme of the present invention has the following advantages:
Trace ball is applied in the onboard system, by rolling or the push of trace ball, realizes the control operation to the interface of onboard system.Specifically, utilize the trace ball signal processing circuit to obtain the action message of trace ball, and send the trace ball actuating signal, after processor obtains the trace ball actuating signal, parse the action of trace ball to the content of operation of current display interface based on current interface information and trace ball actuating signal, produce the interface that display screen is shown behind the new interface information and upgrade.
This technical scheme is applied to trace ball in the onboard system, makes things convenient for the operation onboard system of user's simple and fast, has improved the experience of user to onboard system.
Description of drawings
Fig. 1 is the synoptic diagram of a kind of embodiment of onboard system provided by the invention;
Fig. 2 is the side view of the trace ball that provides of the embodiment of the invention;
Fig. 3 is the vertical view of the trace ball that provides of the embodiment of the invention;
Fig. 4 is the synoptic diagram of a kind of embodiment of processor provided by the invention;
Fig. 5 is a kind of embodiment of the interface image before the trace ball control interface in the onboard system that provides of the embodiment of the invention;
Fig. 6 is the trace ball control interface interface image afterwards in the onboard system shown in Figure 5;
Fig. 7 is the another kind of embodiment of the interface image before the trace ball control interface in the onboard system that provides of the embodiment of the invention;
Fig. 8 is the trace ball control interface interface image afterwards in the onboard system shown in Figure 7;
Fig. 9 is a kind of embodiment that the map before the trace ball control map in the onboard system that provides of the embodiment of the invention shows;
Figure 10 is that the trace ball control map map afterwards in the onboard system shown in Figure 9 shows.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can more be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail.
Set forth detail in the following description so that fully understand the present invention.But the present invention can be different from alternate manner described here and implements with multiple, and those skilled in the art can do similar popularization in the situation of intension of the present invention.Therefore the present invention is not subjected to the restriction of following public embodiment.
Fig. 1 is the synoptic diagram of a kind of embodiment of onboard system provided by the invention, describes in detail below in conjunction with Fig. 1.
As shown in Figure 1, described onboard system A100 comprises:
Trace ball A1;
Trace ball signal processing circuit A2, A1 links to each other with trace ball, in order to producing the trace ball actuating signal of the action message of carrying described trace ball when the operation trace ball A1, the action message of trace ball A1 comprises the direction that trace ball A1 rolls, the number of turns or the trace ball A1 push of rolling;
Video memory A21, in order to store interface information, described interface information comprises the layout information at interface;
Processor A 3, link to each other with video memory A21 with trace ball signal processing circuit A2, in order to obtaining described trace ball actuating signal and obtain current interface information from video memory A21 from trace ball signal processing circuit A2, produce new interface information and be stored in the described video memory based on current interface information and described trace ball actuating signal;
Display screen A4 in order to obtain described new interface information, shows new interface.
In the present embodiment, display screen A4 links to each other with video memory A21, in order to obtain new interface information from video memory A21, to upgrade the interface of current demonstration.In other embodiments, display screen A4 also can link to each other with processor A 3, processor A 3 produces and carries the display of new interface information and be sent to display screen A4, and display screen A4 obtains new interface information from the display that receives, to upgrade current display interface.
Described onboard system also comprises: DVD/CD player A6, A4 links to each other with display screen.The user can use DVD/CD player A6 to listen song, see a film, and strengthens recreational.
Use trace ball A1 to control operand in the vehicle-mounted interface, mostly by rolling or pressing trace ball A1 and realize the control operations such as the rolling of operand, selected, convergent-divergent.Described operand comprises control, the page or application program.Described control comprises icon, combobox, input frame, button etc.; The described page comprises program interface, Webpage, the map page, the navigation page, the e-book page etc.; Described application program comprises note program, games, system program etc.
Trace ball A1 controls described operand and comprises, trace ball A1 rolls and selectes control, trace ball A1 presses selected control, trace ball A1 rolling zoom control, and trace ball A1 rolls and controls the position that control moved or exchanged control; The selected page of trace ball A1 rolling or the mobile page or the page turning of the control page, trace ball A1 press certain zone in the selected page or the page, for example point of interest in the map page, the trace ball A1 rolling convergent-divergent page; Trace ball A1 presses and opens or closes application program etc.
Fig. 2 is the side view of the trace ball that provides of the embodiment of the invention, and Fig. 3 is the vertical view of the trace ball that provides of the embodiment of the invention, describes in detail below in conjunction with Fig. 2 and Fig. 3.
With reference to figure 2, the below of trace ball A1 is provided with groove A11, and trace ball A1 is placed among the groove A11.Trace ball A1 can center on axis Z, does two-way rolling along arrow a, specifically comprises clockwise direction and counter clockwise direction.Trace ball A1 is around axis Z, and the rolling control operation object of doing along arrow a zooms in or out, for example, counterclockwise rolling track ball A1, the enlarged map page, rolling track ball A1 dwindles the map page etc. clockwise.Arrow b represents that trace ball A1 does push, realizes the control of selected operand, for example, opens or close application program, selects current control etc.Pressing of trace ball A1 also comprises the number of times that trace ball A1 presses and the time of pressing, in order to determine operation.For example, press trace ball A1 and open application program twice, press trace ball A1 and surpass shutdown in 3 seconds etc.
With reference to figure 3, the two dimensional surface coordinate system that axis X and axis Y form, trace ball A1 can around axis X along arrow d scroll-up/down, also can roll along about arrow c around axis Y.In addition, trace ball A1 can also be along the oblique rolling of arrow e in the two dimensional surface coordinate system of axis X and axis Y composition.That is to say that trace ball A1 can do the rolling of any direction in the two dimensional surface coordinate system of axis X and axis Y composition.In addition, take axis X as the boundary, the movement tendency of trace ball A1 trends towards axis Y top, judges that then the rotating direction of trace ball A1 is as scrolling up; The movement tendency of trace ball A1 trends towards axis Y below, judges that then the rotating direction of trace ball A1 is as rolling downwards.Take axis Y as the boundary, it is right-hand that the movement tendency of trace ball A1 trends towards axis X, judges that then the rotating direction of trace ball A1 is as rolling to the right; The movement tendency of trace ball A1 trends towards the axis X left, judges that then the rotating direction of trace ball A1 is as rolling left.
Trace ball A1 is in the two dimensional surface coordinate system of axis X and axis Y composition, around axis X along arrow d scroll-up/down, realize operand move up and down or scroll-up/down is selected or the up and down control such as page turning, for example, diagram page up or down is to the up and down page turning etc. of the e-book page; Along about arrow c, roll around axis Y, realize the move left and right of operand, the controls such as selected or front and back page turning of rolling about perhaps, for example, the move left and right map page is to page turning before and after the e-book page etc.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, trace ball signal processing circuit A2, A1 links to each other with trace ball, in order to produce the trace ball actuating signal when rolling or push occur trace ball A1.The action message of the trace ball A1 that described trace ball actuating signal is carried generally includes: direction, the number of turns of rolling or the number of times that trace ball A1 presses that trace ball A1 rolls, the time of pressing etc.
The rotating direction of trace ball A1 comprises up and down with oblique, also comprises clockwise or counterclockwise and rolling.The number of turns of rolling can be integer, also can be mark, for example, and 2 circles or 1/4 circle.The number of times that trace ball A1 presses is integer, for example presses once or twice, and trace ball A1 presses the time, and is generally shorter, for example is 0.02 second, longer during special operational, for example, power-off operation, the time of pressing trace ball A1 is 3 seconds, then shutdown.
Onboard system is equipped with operating system, such as Android system, Windows system, linux system etc.The operating system of described onboard system is to install to be stored in the storer (not shown).Storer is the storage mediums such as hard disk, flash memory, portable hard drive, internal memory.Storer links to each other with video memory A21 with processor A 3 by Serial Port Line.Storer is except installing the store operation system, also in order to store the data of described onboard system, such as starting-up interface information, image data, system parameter data etc.Onboard system obtains the data of described onboard system from storer when the starting up.
Trace ball A1 occurs to roll or press inferior operation and the trace ball actuating signal of triggering for generating, a kind of mechanical signal for operating system, be unrecognizable, need trace ball signal processing circuit A2 that mechanical signal is converted to the discernible signal of operating system or operation information.
Processor A 3 links to each other with video memory A21 with trace ball signal processing circuit A2, in order to obtain described trace ball actuating signal from trace ball signal processing circuit A2.Processor A 3 need to obtain current interface information from video memory A21 after obtaining the trace ball actuating signal, produce new interface information based on current interface information and described trace ball actuating signal, and new interface information is kept among the video memory A21.
The interface shows with image format in display screen A4, and preserves into interface information.After trace ball A1 rolled or selectes operand, the interface can change, and in other words, the interface can redraw, and corresponding interface information also can change.The layout information that has comprised the interface in the interface information, the size at interface for example, control or icon position and the size etc. in the interface.Display screen A4 links to each other with video memory A21, obtains interface information from video memory A21.Video memory A21 obtains new interface information and is preserved from processor A 3, and display screen A4 shows new interface after video memory A21 obtains described new interface information.
The structure of processor has many kinds, and Fig. 4 is the synoptic diagram of a kind of embodiment of the processor that provides of the embodiment of the invention, processor A 3 ' comprising:
Signal recognition unit A22, link to each other with video memory A21 with trace ball signal processing circuit A2, in order to obtain described trace ball actuating signal from trace ball signal processing circuit A2, obtain described current interface information from video memory A21, determine operation information based on described current interface information and described trace ball actuating signal, described operation information comprises operand and the operation that operand is carried out;
Interface information processing unit A24, A22 links to each other with the signal recognition unit, in order to produce new interface information based on the definite operation information of signal recognition unit A22 and to be stored among the video memory A21.Particularly, interface information processing unit A24 produces new interface information based on the operation information that signal recognition unit A22 determines, generation is carried the display of described new interface information and is sent to video memory A21, after video memory A21 receives described display from processor interface information processing unit A24, obtain new interface information and preserved.
After the onboard system shutdown, the interface information that stores among the video memory A21 will be cleared.But the part interface information of operating system, such as the interface information of the runnable interface of operating system, desktop, starting-up interface information, Application Program Interface information etc., these interface informations are kept in the storer.During described onboard system start, video memory A21 can obtain these interface informations and preserve into current interface information from storer, then be sent to display A4, shows in screen.
Describe the course of work of processor in detail below in conjunction with Fig. 1 to Fig. 4.
Display screen A4 is before showing vehicle-mounted interface, and video memory A21 obtains relevant interface information from storer, such as starting-up interface information, Application Program Interface information etc.Video memory A21 preserves into current interface information with these interface informations, and display A4 obtains current interface information from video memory A21, show in screen.
Processor A 3 (or processor A 3 ') comprises a signal recognition unit A22 usually, link to each other with video memory A21 with trace ball signal processing circuit A2, in order to obtain described trace ball actuating signal from trace ball signal processing circuit A2, obtain current interface information from video memory A21.
The layout that has not only comprised the interface in the interface information has also comprised the information of current operand, is control, Webpage, application program etc. such as current operand, has also comprised Pixel Information, colouring information etc.Signal recognition unit A22 determines operation information based on described current interface information and described trace ball actuating signal, and described operation information comprises operand and the operation that operand is carried out.That is to say that signal recognition unit A22 resolves described trace ball actuating signal and obtains the trace ball action message, and obtain operation information for the operand information in the current interface information, more described operation information is sent.Described operation information comprises the operation to operand, for example the mobile page, control, icon; Point of interest in selected control, the map; Convergent-divergent map, icon; Perhaps to page page turning etc.
For different operands, the operation of the described operand of action control of trace ball A1 is different.For the page, the scroll actions of trace ball A1 is controlled described page zoom-in and zoom-out, movement or page turning; Trace ball A1 presses action, chooses literal, picture or hyperlink in the described page or the described page.For icon, the scroll actions of trace ball A1, the selected described icon that rolls, perhaps the described icon of convergent-divergent perhaps drags described icon, so that the position of described icon changes; Trace ball A1 presses action, selected described icon.For application program, trace ball A1 presses action, controls described application program and opens or closes.
Interface information processing unit A24, A22 links to each other with the signal recognition unit, in order to determining new interface information based on described operation information, and produces the described display that carries described new interface information.For example, press the selected control of trace ball A1 after, described operation information comprises chooses described control, the new interface information of determining based on described operation information comprises: described control is presented in the new interface with highlighted mark.After video memory A21 obtains described display, preserve described new interface information and send it to display screen A4.
With reference to figure 2, the trace ball A1 that uses in the onboard system is generally larger, and diameter is between 3cm-5cm.Trace ball A1 is placed among the groove A11, and for user operation, corresponding because the diameter of the trace ball A1 of vehicle mounted is larger, the groove A11 that places trace ball A1 is also larger, and the height h of spheroid that trace ball A1 exposes groove A11 is also higher.Generally speaking, to expose the height h of groove A11 be 1cm-2cm to trace ball A1.
Because automobile in the process of moving, jolts easily, rock thereby drive trace ball A1, be easier to occur maloperation.Therefore general very tight with groove A11 applying of the trace ball A1 of vehicle mounted has stronger anti-shake moving property.In addition, environment inside car is comparatively complicated, and the floating things such as dust, cigarette ash are more, so trace ball A1 is provided with dust guard, for example dustproof ring.
Fig. 5 is a kind of embodiment of the interface image before the trace ball control interface in the onboard system that provides of the embodiment of the invention, and Fig. 6 is the interface image after the trace ball control interface in the onboard system shown in Figure 5, describes in detail below in conjunction with Fig. 1 to Fig. 6.
Shown icon A and icon B among the display screen A4, Fig. 5 is the interface display before the trace ball A1 operation.The circle if trace ball A1 rolls downwards, this moment, trace ball signal processing circuit A2 sent the trace ball actuating signal.The action message of the trace ball A1 that described trace ball actuating signal is carried is trace ball A1 rolling one circle downwards.
Signal recognition unit A22 gets access to described trace ball actuating signal, and obtains described current interface information from video memory A21.Comprising the current operation object in the described current interface information is icon A, and icon A was and chose highlighted demonstration this moment, and icon B is below icon A, and icon B is the not information of selected state.Signal recognition unit A22 is based on action message and the described current interface information of the trace ball A1 in the described trace ball actuating signal, determines operation information and sends.Described operation information is that the focus of operand is shifted an icon downwards to icon B by icon A, and with icon B to choose highlighted demonstration.Trace ball A1 rolls downwards, shows that icon selects downwards, and the circle that rolls shows mobile icon.
Interface information processing unit A24 determines new interface information based on described operation information after obtaining described operation information from signal recognition unit A22.New interface information comprises that icon A is not to be chosen, and icon B is and chooses highlighted demonstration below icon A.Interface information processing unit A24 sends new interface information to upgrade old interface information among the video memory A21.After Fig. 6 is trace ball A1 rolling downwards one circle, the interface that display screen A4 shows.
Fig. 7 is the another kind of embodiment of the interface image before the trace ball control interface in the onboard system that provides of the embodiment of the invention, Fig. 8 is the trace ball control interface interface image afterwards in the onboard system shown in Figure 7, describes in detail below in conjunction with Fig. 1 to Fig. 4, Fig. 7 and Fig. 8.
Fig. 7 is the before e-book page of interface display of trace ball A1 operation control.The circle if trace ball A1 rolls left, this moment, trace ball signal processing circuit A2 sent the trace ball actuating signal.The action message of the trace ball A1 that described trace ball actuating signal is carried is the trace ball A1 circle that rolls left.
Signal recognition unit A22 gets access to described trace ball actuating signal, and obtains described current interface information from video memory A21.Comprising the current operation object in the described current interface information is the e-book page, and the information of the text w1 that the current e-book page shows and the information of picture p1 also comprise the colouring information of text w1, the colouring information of the information of background colour, picture p1 etc.
Signal recognition unit A22 is based on action message and the described current interface information of the trace ball A1 in the described trace ball actuating signal, determines operation information and sends.Described operation information shows the e-book page of lower one page for the focus of operand is turned over one page backward by the current e-book page.Trace ball A1 rolls left, shows backward page turning, and the circle that rolls shows and turns over backward one page.
Interface information processing unit A24 determines new interface information based on described operation information after obtaining described operation signal from signal recognition unit A22.New interface information comprises the information of the text w2 that the next page e-book page shows and the information of picture p2, also comprises the colouring information of text w2, the colouring information of picture p2, the colouring information of background colour etc.Interface information processing unit A24 sends new interface information to upgrade old interface information among the video memory A21.New interface information can be stored in the storer, so that when opening e-book next time, shows the current page.Fig. 8 is that trace ball A1 rolls behind the circle the new e-book page that display screen A4 shows left.
Fig. 9 is a kind of embodiment that the map before the trace ball control map in the onboard system that provides of the embodiment of the invention shows, Figure 10 is that the trace ball control map map afterwards in the onboard system shown in Figure 9 shows, describes in detail below in conjunction with Fig. 1 to Fig. 4, Fig. 9 and Figure 10.
Referring to Fig. 9, Fig. 9 is the interface before the trace ball A1 operation, shows among the display screen A4 also to have shown park M2 in the map, point of interest M3 by the map with route M1, website M4.(under the two dimensional surface coordinate system that axis X and axis Y form) circle if trace ball A1 rolls to left down, the control map is mobile to left down.Wherein with the horizontal separated time at the described interface start line as mobile described map, map is mobile half interface to left down.
The trace ball A1 circle that rolls to left down, this moment, trace ball signal processing circuit A2 sent the trace ball actuating signal.The action message of the trace ball A1 that described trace ball actuating signal is carried is the trace ball A1 circle that rolls to left down.
Signal recognition unit A22 gets access to described trace ball actuating signal, and obtains described current cartographic information from video memory A21.Comprise in the described current cartographic information have two lines, seven websites, a park and five points of interest also comprise route, website, park and the point of interest positional information in current map.
Signal recognition unit A22 is based on action message and the described current cartographic information of the trace ball A1 in the described trace ball actuating signal, determines operation information and sends.Described operation information is with the horizontal separated time at the described interface start line as mobile described map, and map is mobile half interface to left down.The trace ball A1 circle that rolls to left down shows to left down mobile half interface of map.
Interface information processing unit A24 determines new interface information based on described operation information after obtaining described operation signal from signal recognition unit A22.After new interface information comprises that map moves to left down, website A in the map originally, point of interest R2, point of interest R4 and point of interest R5 disappear, new website H and new point of interest R6 appear in the map to point of interest R8, park M2 originally, point of interest R1, point of interest R3 and website B-E also exist, but the position changes.Interface information processing unit A24 will recomputate, integrate new cartographic information, and send display.
Figure 10 is that trace ball A1 rolls behind the circle interface that display screen A4 shows to left down.Occur new website H and new point of interest R6-R8 in the map, park M2 originally, point of interest R1, point of interest R3 and website B-E also exist, but the position changes, and integral body is mobile to left down.
Technical scheme of the present invention has following beneficial effect at least:
Trace ball is applied in the onboard system, by rolling or the push of trace ball, realizes the control operation to the interface of onboard system.Specifically, utilize the trace ball signal processing circuit to obtain the action message of trace ball, and send the trace ball actuating signal, after processor obtains the trace ball actuating signal, parse the action of trace ball to the content of operation of current display interface based on current interface information and trace ball actuating signal, produce the interface that display screen is shown behind the new interface information and upgrade.
Trace ball is applied in the onboard system, makes things convenient for the operation onboard system of user's simple and fast, improved the experience of user to onboard system.
Although the present invention with preferred embodiment openly as above; but it is not to limit the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can utilize method and the technology contents of above-mentioned announcement that technical solution of the present invention is made possible change and modification; therefore; every content that does not break away from technical solution of the present invention; to any simple modification, equivalent variations and modification that above embodiment does, all belong to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (10)
1. an onboard system is characterized in that, comprising:
Trace ball;
The trace ball signal processing circuit, link to each other with described trace ball, in order to produce the trace ball actuating signal of the action message of carrying described trace ball when operating described trace ball, the action message of described trace ball comprises the direction of described trace ball rolling, the number of turns or the described trace ball push of rolling;
Video memory, in order to store interface information, described interface information comprises the layout information at interface;
Processor, link to each other with video memory with described trace ball signal processing circuit, in order to obtaining described trace ball actuating signal and obtain current interface information from described video memory from described trace ball signal processing circuit, produce new interface information and be stored in the described video memory based on current interface information and described trace ball actuating signal;
Display screen in order to obtain described new interface information, shows new interface.
2. onboard system as claimed in claim 1 is characterized in that, described processor comprises:
The signal recognition unit, link to each other with described video memory with described trace ball signal processing circuit, in order to obtain described trace ball actuating signal from described trace ball signal processing circuit, obtain described current interface information from described video memory, determine operation information based on described current interface information and described trace ball actuating signal, described operation information comprises operand and the operation that operand is carried out;
The interface information processing unit links to each other with described signal recognition unit, in order to produce new interface information based on the definite operation information of described signal recognition unit and to be stored in the described video memory.
3. onboard system as claimed in claim 2 is characterized in that, described operand comprises control, the page or application program.
4. onboard system as claimed in claim 3 is characterized in that, the described page comprises Webpage, the map page or the e-book page.
5. onboard system as claimed in claim 2 is characterized in that, the operation that described trace ball is carried out operand comprises to be moved, select or convergent-divergent.
6. onboard system as claimed in claim 1 is characterized in that, described action message also comprises time and the number of times that described trace ball is pressed.
7. onboard system as claimed in claim 1 is characterized in that, the diameter of described trace ball is 3cm-5cm.
8. onboard system as claimed in claim 1 is characterized in that, also comprises groove, in order to place described trace ball.
9. onboard system as claimed in claim 8 is characterized in that, the height that described trace ball exposes described groove is 1cm-2cm.
10. onboard system as claimed in claim 1 is characterized in that, described trace ball is located on bearing circle and/or the display.
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| CN2011101831189A CN102855001A (en) | 2011-06-30 | 2011-06-30 | Vehicle-mounted system |
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| CN2011101831189A CN102855001A (en) | 2011-06-30 | 2011-06-30 | Vehicle-mounted system |
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