CN101692002A - Device and method for navigation display - Google Patents
Device and method for navigation display Download PDFInfo
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- CN101692002A CN101692002A CN200910192713A CN200910192713A CN101692002A CN 101692002 A CN101692002 A CN 101692002A CN 200910192713 A CN200910192713 A CN 200910192713A CN 200910192713 A CN200910192713 A CN 200910192713A CN 101692002 A CN101692002 A CN 101692002A
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Abstract
The embodiment of the invention discloses a device and a method for navigation display. The device comprises a sensing module, a processing module, a control module and a display screen, wherein the sensing module is used for sensing the distance between a measured object and the display screen and generating a pair of phase differences and corresponding frequency signals; the processing module is used for acquiring a digital signal representing the distance between the measured object and the display screen; the control module is used for generating an indication indicating whether to display or hide operation auxiliary information when the display screen displays a map; and the display screen is used for displaying the operation auxiliary information or hiding the operation auxiliary information while displaying map information according to the indication of the control module. The implementation of the embodiment can make the content displayed by the display screen cleaner and simpler to facilitate operations for users and improve the service efficiency of the display screen.
Description
Technical field
The present invention relates to electronic applications, relate in particular to a kind of Navigation Display Unit and method.
Background technology
Development along with automotive engineering, the use of Navigation Display Unit is more and more universal, Navigation Display Unit is in the displayed map road at present, also simultaneously display menu hurdle and indication hurdle etc., referring to Fig. 1, be the displaying contents synoptic diagram of Navigation Display Unit display screen in the prior art, these numerous and diverse information can take the part display space of the display screen of Navigation Display Unit, owing to be subjected to the restriction of screen size, show that too many map road numerous and diverse information in addition can have influence on the user and watch display screen.
In the prior art, too numerous and diverse for fear of the display screen displaying contents, the menu in the Navigation Display Unit that has is designed to collapsible, and menu bar can launch by user's action (as certain button) or close.But, wasted the running time like this, make user's operation become more loaded down with trivial details, and, the also not enough hommization of such design.
Summary of the invention
The invention process provides a kind of Navigation Display Unit and method, can respond to measured object near or leave, thereby show automatically or hiding map road information in addition, make the display screen content displayed clean more succinct, better man-machine interaction is provided, intelligent more, user friendly operation, the service efficiency of raising display screen.
A kind of Navigation Display Unit that the embodiment of the invention provides comprises induction module, processing module, control module and display screen;
Described induction module is used to respond to the distance of measured object and display screen, and produces a pair of phase differential frequency signal corresponding with it;
Described processing module is used for described frequency signal is carried out conversion, obtains the digital signal of the distance of sign measured object and display screen;
Described control module is used to judge the digital signal of the distance of described sign measured object and display screen, the whether indication of show or hide operation auxiliary information when being created on the display screen displayed map;
Described display screen is used for displayed map information, and according to the indication of described control module, shows described operation auxiliary information simultaneously when displayed map information, or hides described operation auxiliary information.
Correspondingly, the present invention also provides a kind of navigation display method, comprising:
The distance of induction measured object and display screen, and produce a pair of phase differential frequency signal corresponding with it;
Described frequency signal is carried out conversion, obtain the digital signal of the distance of sign measured object and display screen;
Judge the digital signal of the distance of described sign measured object and display screen, the whether indication of show or hide operation auxiliary information when being created on the display screen displayed map;
According to the indication of described control module, when displayed map information, show described operation auxiliary information simultaneously, or hide described operation auxiliary information.
Implement the embodiment of the invention,, judge user's operation intention by responding to the close of measured object or leaving, information beyond intelligentized demonstration or the hiding map, can be so that the display screen content displayed be clean more succinct, user friendly operation, the service efficiency of raising display screen.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the displaying contents synoptic diagram of Navigation Display Unit display screen in the prior art;
Fig. 2 is the structural representation of a kind of Navigation Display Unit provided by the invention;
Fig. 3 is the functional block diagram of a kind of Navigation Display Unit provided by the invention;
Fig. 4 is a kind of navigation display method first embodiment process flow diagram provided by the invention;
Fig. 5 is a kind of navigation display method second embodiment process flow diagram provided by the invention;
Fig. 6 is a display screen displaying contents synoptic diagram among a kind of navigation display method second embodiment provided by the invention.
Embodiment
The embodiment of the invention provides a kind of Navigation Display Unit, can respond to measured object near or leave, the information beyond intelligentized demonstration or the hiding map makes the display screen content displayed clean more succinct, user friendly operation, the service efficiency of raising display screen.
Referring to Fig. 2, be the structural representation of a kind of Navigation Display Unit provided by the invention;
The Navigation Display Unit of present embodiment comprises induction module 1, processing module 2, control module 3 and display screen 4;
Described induction module 1 is used to respond to the distance of measured object and display screen 4, and produces a pair of phase differential frequency signal corresponding with it;
Described processing module 2 is used for described frequency signal is handled conversion, obtains the digital signal of the distance of sign measured object and display screen;
Described control module 3 is used to judge the digital signal of the distance that characterizes measured object and display screen, the whether indication of show or hide operation auxiliary information when being created on the display screen displayed map;
Described display screen 4 is used for displayed map information, and according to the indication of described control module, shows described operation auxiliary information simultaneously when displayed map information, or hides described operation auxiliary information.
Preferably, described induction module 1 comprises crystal oscillation circuit unit 11 and delay unit 12:
Described crystal oscillation circuit unit 11 adopts stable, the high-precision square-wave signal of quartz crystal oscillator generation two-way, and wherein one the tunnel through delay unit 12, and another road as a reference;
Described delay unit 12 is used to respond to the distance of measured object and display screen, produces a pair of phase differential frequency signal corresponding with it;
Concrete, described delay unit 12 comprises a body induction circuit, described body induction circuit can be according to the different principle of electromagnetism, inductance and electric capacity, multiple implementation method is arranged, in the present embodiment, adopt the oscillator capacitive proximity sensor to realize sensing circuit, referring to Fig. 3, it is the functional block diagram of a kind of Navigation Display Unit provided by the invention, one induction module is arranged in the described functional block diagram, this induction module adopts quartz crystal oscillator to form oscillation circuit unit 11 on the one hand, stable, the high-precision square-wave signal of output two-way; Adopt the inductance capacitance of body induction circuit to form delay unit 12 on the other hand, two electrodes of the inductance capacitance in the described delay unit 12 are respectively rearmounted sheet metal and measured object (measured object is similar to the distance of measured object to display screen to the distance of sheet metal) at display screen 4, the size of inductance capacitance and the DIELECTRIC CONSTANT of sensing object and object from, therefore the distance dependent of electrode can determine the distance of object from induction electrode by the size of inductance capacitance.When the distance of measured object and sheet metal changes, specific inductive capacity between two electrodes of measured object and sheet metal changes, the size of described inductance capacitance also changes, therefore, the variation of inductance capacitance in the time delay module, can make phase lag of induction module output and described measured object and display screen apart from the correspondent frequency signal.
In addition, the inspected object of this sensor is not limited to metallic conductor, also can be the liquid or the powdered object of insulation, can regulate the sensitivity of sensor circuit according to the difference of sense object specific inductive capacity.
Described processing module 2 is used for described frequency signal is carried out conversion, acquisition and measured object and display screen apart from digital signal corresponding;
Preferably, described processing module 2 comprises:
Dual comparator amplifying unit 21 is used for described frequency signal is amplified, and effectively offsets self transmission delay and offset voltage, temperature drift etc., thereby makes the phase differential of two-way frequency signal only relevant with the time-delay of delay unit.
Signal comparing unit 22, the frequency signal that is used for two-way is had phase differential compares, thereby forms the square-wave signal that a dutycycle is directly proportional with phase differential.
Integral unit 23, the square-wave signal that is used for dutycycle is directly proportional with phase differential carries out integral operation, and described square wave is transformed into voltage signal;
A/D converting unit 24 is used for described voltage signal is passed to switching value translation circuit (carrying out the A/D analog to digital conversion), acquisition and measured object and display screen apart from digital signal corresponding.
Preferably, described control module 3 comprises:
Be used for according to measured object and display screen apart from digital signal corresponding, whether the distance of judging measured object and display screen judging unit 31 in specified scope;
Be connected in judging unit 31, be used for judged result, the indicating member 32 of the indication of show or hide operation auxiliary information whether when being created on the display screen displayed map according to judging unit.
When the judged result of judging unit 31 when being, the indication of display operation supplementary when indicating member 32 is created on the display screen displayed map; In the judged result of judging unit 31 for not the time, the indication of hiding operation auxiliary information when indicating member is created on the display screen displayed map.
Preferably, described measured object is the instrument that Navigation Display Unit is operated, and for example contact pen is directly operated Navigation Display Unit with hand as if the user, and then measured object is a staff.
Preferably, but the measured object that described preset range can be set in advance by the user and the operating distance of display screen when the distance of measured object and display screen is in preset range, illustrate that measured object might operate Navigation Display Unit.The setting of preset range can have influence on the sensitivity of guider, preset range can be provided with according to user's use habit, less as if what preset range was provided with, then operation auxiliary information could show from the display screen close together at measured object, if the user is bigger the preset range setting, then operation auxiliary information far just can show at measured object and display screen distance.Generally, the distance of measured object and display screen is in the scope of 0-50mm, all might be considered to want Navigation Display Unit is operated, suppose, user's preset range is set to 30mm, and then during less than 30mm, then 4 display menu hurdles and indication hurdle are shielded in control module 3 indicated numbers apart from d for measured object and display screen, if measured object and display screen 4 apart from d during greater than 30mm, then control module 3 control display screen, 4 hide menu hurdles are or/and indicate the hurdle.
In addition, Navigation Display Unit provided by the present invention applies to can be used as automobile navigation apparatus on the automobile, in addition, can also apply to the guider of other equipment such as aircraft, submarine and ship as other equipment.
Implement the embodiment of the invention,, judge user's operation intention by responding to the close of measured object or leaving, information beyond intelligentized automatic demonstration or the hiding map, can be so that the display screen content displayed be clean more succinct, user friendly operation, the service efficiency of raising display screen.
Referring to Fig. 4, be the display packing first embodiment process flow diagram of a kind of Navigation Display Unit provided by the invention, the method for present embodiment comprises:
The navigation display method of present embodiment comprises;
Preferably, described step 101 comprises:
Step 1011 adopts stable, the high-precision square-wave signal of quartz crystal oscillator generation two-way, and wherein one the tunnel through time delay module, and one the tunnel as a reference;
Step 1012, the distance of induction measured object and display screen, and produce a pair of phase differential frequency signal corresponding with it;
Concrete, comprise body induction circuit in the described Navigation Display Unit, described sensor circuit can be according to the different principle of electromagnetism, inductance and electric capacity, multiple implementation method is arranged, in the present embodiment, adopt the oscillator capacitive proximity sensor to realize sensing circuit, it is the functional block diagram of a kind of Navigation Display Unit provided by the invention, one induction module is arranged in the described functional block diagram, this induction module adopts quartz crystal oscillator to form oscillatory circuit on the one hand, stable, the high-precision square-wave signal of output two-way; Adopt the inductance capacitance of body induction circuit to form time delay module on the other hand, two electrodes of the inductance capacitance in the described time delay module are respectively rearmounted sheet metal and measured object (measured object is similar to the distance of measured object to display screen to the distance of sheet metal) at display screen 4, therefore the distance dependent of the size of inductance capacitance and the DIELECTRIC CONSTANT of sensing object and object ionization electrode can determine the distance of object from induction electrode by the size of inductance capacitance.
When the distance of measured object and sheet metal changes, specific inductive capacity between two electrodes of measured object and sheet metal changes, the size of described inductance capacitance also changes, therefore, the variation of inductance capacitance in the time delay module, can make phase lag of induction module output and described measured object and display screen apart from the correspondent frequency signal.
Described step 102 comprises:
Step 1021, employing has that the dual comparator amplification module of identical characteristics parameter amplifies two paths of signals, it can effectively offset self transmission delay and offset voltage, temperature drift etc., thereby makes the phase differential of two-way frequency signal only relevant with the time-delay of time delay module.
Step 1022, the frequency signal that two-way is had phase differential compares computing, through after the comparison operation, will form the square-wave signal that a dutycycle is directly proportional with phase differential.
Step 1023, the square-wave signal that dutycycle is directly proportional with phase differential carries out integral operation, and described square wave is transformed into voltage signal;
Step 1024 is carried out A/D conversion, and described voltage signal is passed to switching value translation circuit (carrying out the A/D analog to digital conversion), acquisition and measured object and display screen apart from digital signal corresponding.
Described step 103 is specially:
Step 1031, according to the digital signal of the distance that characterizes measured object and display screen, whether the distance of judging measured object and display screen is in preset range;
Step 1032, according to judged result, indicated number screen displaying contents is being judged as when being indicated number screen display operation supplementary; When being judged as not, the indicated number screen is hidden operation auxiliary information.
Concrete, if but the operating distance of measured object and display screen is set to 30mm, then preset range is 0-30mm, when measured object and display screen apart from d during less than 30mm, then 4 display menu hurdles and indication hurdle are shielded in control module 3 indicated numbers, when measured object and display screen 4 apart from d during greater than 30mm, then control module 3 control display screen 4 hide menu hurdles and indication hurdle.
Implement the embodiment of the invention,, judge user's operation intention by responding to the close of measured object or leaving, intelligently show or hiding map information in addition, can be so that the display screen content displayed be clean more succinct, user friendly operation, the service efficiency of raising display screen.
Referring to Fig. 5, it is the display packing second embodiment process flow diagram of a kind of Navigation Display Unit provided by the invention, suppose that but the operating distance that the user is provided with is 30mm, that is to say that preset range is 0-30mm, the user carries out the touch display screen operation with hand, the user is just preparing to operate, the distance of staff and Navigation Display Unit display screen changes, and change in the 30mm scope, referring to Fig. 6, it is display screen displaying contents synoptic diagram among display packing second embodiment of a kind of Navigation Display Unit provided by the invention, the left side is that the user is preoperative, and staff and display screen distance is in preset range 0-30mm the time, display screen displaying contents synoptic diagram, the right is just preparing to operate for the user, and user's hand enters the displaying contents synoptic diagram behind the preset range 0-30mm.The method that present embodiment provides comprises:
Step 202 is amplified described frequency signal, obtains only relevant with the time-delay frequency signal of two-way phase differential.
Step 205 is carried out analog to digital conversion to described voltage signal, acquisition and measured object and display screen apart from digital signal corresponding.
In like manner, described Navigation Display Unit also can be hidden the menu bar and the indication hurdle that show at measured object during away from display screen.
Implement the embodiment of the invention,, judge user's operation intention by responding to the close of measured object or leaving, information beyond intelligentized demonstration or the hiding map, can be so that the display screen content displayed be clean more succinct, user friendly operation, the service efficiency of raising display screen.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement by hardware.Based on such understanding, all or part of can the embodying that technical scheme of the present invention contributes to background technology with the form of software product, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Above disclosed is a kind of preferred embodiment of the present invention only, can not limit the present invention's interest field with this, and the equivalent variations according to claim of the present invention is done still belongs to the scope that the present invention is contained.
Claims (10)
1. a Navigation Display Unit is characterized in that, described Navigation Display Unit comprises induction module, processing module, control module and display screen;
Described induction module is used to respond to the distance of measured object and display screen, and produces a pair of phase differential frequency signal corresponding with it;
Described processing module is used for described frequency signal is carried out conversion, obtains the digital signal of the distance of sign measured object and display screen;
Described control module is used to judge the digital signal of the distance of described sign measured object and display screen, the whether indication of show or hide operation auxiliary information when being created on the display screen displayed map;
Described display screen is used for displayed map information, and according to the indication of described control module, shows described operation auxiliary information simultaneously when displayed map information, or hides described operation auxiliary information.
2. Navigation Display Unit as claimed in claim 1 is characterized in that, described processing module comprises:
Two relatively amplifying units are used for described frequency signal is amplified, and obtain only relevant with the time-delay frequency signal of two-way phase differential;
The signal comparing unit, the frequency signal that is used for two-way is had phase differential compares computing, obtains the square-wave signal that a dutycycle is directly proportional with phase differential;
Integral unit, the square-wave signal that is used for dutycycle is directly proportional with phase differential carries out integral operation, obtains the voltage signal of a correspondence;
The A/D converting unit is used for described voltage signal is carried out analog to digital conversion, obtains the digital signal of the distance of sign measured object and display screen.
3. Navigation Display Unit as claimed in claim 2, it is characterized in that, described induction module comprises an oscillatory circuit that inductance capacitance is arranged, and a pole plate of described inductance capacitance is the sheet metal that is arranged at the display screen rear side, and the measured object within induction range forms another pole plate; The value of inductance capacitance changes along with the variable in distance of described two pole plates, its can make oscillatory circuit produce phase differential and described measured object and display screen apart from the correspondent frequency signal.
4. Navigation Display Unit as claimed in claim 1 is characterized in that, described control module comprises:
Judging unit is used for the digital signal according to the distance of described sign measured object and display screen, and whether the distance of judging measured object and display screen is in preset range;
Indicating member is used in the judged result of judging unit when being the indication of display operation supplementary when being created on the display screen displayed map; In the judged result of judging unit for not the time, the indication of hiding operation auxiliary information when being created on the display screen displayed map.
5. Navigation Display Unit as claimed in claim 1 is characterized in that, described operation auxiliary information comprises menu bar or/and the indication hurdle.
6. Navigation Display Unit as claimed in claim 4 is characterized in that, but described preset range is the operating distance by predefined measured object of user and display screen.
7. Navigation Display Unit as claimed in claim 6 is characterized in that, described measured object is instrument or the staff that is used to operate Navigation Display Unit.
8. a navigation display method is characterized in that, comprising:
The distance of induction measured object and display screen, and produce phase differential frequency signal corresponding with it;
Described frequency signal is carried out conversion, obtain the digital signal of the distance of sign measured object and display screen;
Judge the digital signal of the distance of described sign measured object and display screen, the whether indication of show or hide operation auxiliary information when being created on the display screen displayed map;
According to the indication of described control module, when displayed map information, show described operation auxiliary information simultaneously, or hide described operation auxiliary information.
9. navigation display method as claimed in claim 8 is characterized in that, the digital signal of the distance of described measured object of described judgement and display screen, when being created on the display screen displayed map whether the indication of show or hide operation auxiliary information comprise:
According to the digital signal of the distance of described sign measured object and display screen, whether the distance of judging measured object and display screen is in preset range;
In judged result when being, the indication of display operation supplementary when being created on the display screen displayed map; In judged result for not the time, the indication of hiding operation auxiliary information when being created on the display screen displayed map.
10. navigation display method as claimed in claim 8 is characterized in that, described described frequency signal is carried out conversion, and the digital signal that obtains to characterize the distance of measured object and display screen comprises:
Described frequency signal is amplified, obtain the only relevant frequency signal of two-way phase differential with time-delay;
The frequency signal that two-way is had phase differential compares computing, obtains the square-wave signal that a dutycycle is directly proportional with phase differential;
The square-wave signal that dutycycle is directly proportional with phase differential carries out integral operation, obtains the voltage signal of a correspondence;
Described voltage signal is carried out analog to digital conversion, acquisition and measured object and display screen apart from digital signal corresponding.
Priority Applications (1)
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CN200910192713A CN101692002A (en) | 2009-09-25 | 2009-09-25 | Device and method for navigation display |
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CN200910192713A CN101692002A (en) | 2009-09-25 | 2009-09-25 | Device and method for navigation display |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103630143A (en) * | 2012-08-23 | 2014-03-12 | 环达电脑(上海)有限公司 | Navigation device and control method thereof |
CN104121920A (en) * | 2014-06-16 | 2014-10-29 | 常州市武进金阳光电子有限公司 | Car navigation device |
CN109192119A (en) * | 2018-09-06 | 2019-01-11 | 深圳市创维群欣安防科技股份有限公司 | A kind of automatic sensing control method and meeting plate based on meeting plate |
CN110398988A (en) * | 2019-06-28 | 2019-11-01 | 联想(北京)有限公司 | A kind of control method and electronic equipment |
CN111651108A (en) * | 2019-11-05 | 2020-09-11 | 摩登汽车有限公司 | Control system and method for Dock bar of terminal display screen and automobile |
CN111651097A (en) * | 2019-11-05 | 2020-09-11 | 摩登汽车有限公司 | Control system and method for Dock bar of terminal display screen and automobile |
-
2009
- 2009-09-25 CN CN200910192713A patent/CN101692002A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103630143A (en) * | 2012-08-23 | 2014-03-12 | 环达电脑(上海)有限公司 | Navigation device and control method thereof |
CN104121920A (en) * | 2014-06-16 | 2014-10-29 | 常州市武进金阳光电子有限公司 | Car navigation device |
CN109192119A (en) * | 2018-09-06 | 2019-01-11 | 深圳市创维群欣安防科技股份有限公司 | A kind of automatic sensing control method and meeting plate based on meeting plate |
CN110398988A (en) * | 2019-06-28 | 2019-11-01 | 联想(北京)有限公司 | A kind of control method and electronic equipment |
CN111651108A (en) * | 2019-11-05 | 2020-09-11 | 摩登汽车有限公司 | Control system and method for Dock bar of terminal display screen and automobile |
CN111651097A (en) * | 2019-11-05 | 2020-09-11 | 摩登汽车有限公司 | Control system and method for Dock bar of terminal display screen and automobile |
CN111651108B (en) * | 2019-11-05 | 2022-03-18 | 摩登汽车有限公司 | Control system and method for Dock bar of terminal display screen and automobile |
CN111651097B (en) * | 2019-11-05 | 2024-04-26 | 摩登汽车有限公司 | Control system and method for Dock bar of terminal display screen and automobile |
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Application publication date: 20100407 |