CN103002097A - Key induction device, key induction method and mobile terminal - Google Patents
Key induction device, key induction method and mobile terminal Download PDFInfo
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- CN103002097A CN103002097A CN2012104835858A CN201210483585A CN103002097A CN 103002097 A CN103002097 A CN 103002097A CN 2012104835858 A CN2012104835858 A CN 2012104835858A CN 201210483585 A CN201210483585 A CN 201210483585A CN 103002097 A CN103002097 A CN 103002097A
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Abstract
The invention provides a key induction method, a key induction device and a mobile terminal and relates to the field of communication. The key induction method comprises the steps of emitting light through an induction zone corresponding to a key; detecting electrical level information of the induction zone, which is triggered by a shielded and reflected reflection ray; and determining an operating instruction corresponding to the electrical level information according to the electrical level information. According to the method, the user experience is good, and the defects that dust enters from the key and the like can be avoided due to the fact that no pressing type physical keyboard is required to be arranged.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of key induced method, device and a kind of portable terminal.
Background technology
Along with making rapid progress of the communication technology, the portable terminal manufacturers such as mobile phone weed out the old and bring forth the new, and constantly provide trendy portable terminal to the user.Undoubtedly, the function of these portable terminals, particularly intelligent mobile terminal from strength to strength.Yet, being accompanied by the raising of user's esthetic sentiment, intelligent mobile terminal is not only a kind of communication, converter tools.In the view of the user, the high-performance intelligent mobile terminal is the handicraft that can play still, and user's this consumption view also forces portable terminal manufacturer to need constantly do homework in the appearance design theory of portable terminal.For example, ultra-thin fuselage, airflow design etc. are the directions that many portable terminals manufacturer makes great efforts, and increasing portable terminal is made the commercial city and reached these targets.
Yet when the portable terminal fuselages such as mobile phone design more and more thinlyyer, streamline more and more, it is more and more convenient to use, the user experiences when becoming better and better, and portable terminal manufacturer finds, the input equipment of portable terminal, for example, keyboard has proposed great challenge to ultra-thin fuselage.
For example, if fuselage design is got enough thin, so just should manage to reduce area, volume of keyboard etc.Yet, reducing in any case the size of keyboard, the physical keyboard that prior art provides still has many deficiencies, and for example, the button of push type needs mechanical activity, and it is poor etc. to cause advancing easily dust and feel.
Summary of the invention
The embodiment of the invention provides a kind of key induced method, device and a kind of portable terminal, to strengthen portable terminal aesthetic appearance and ease of assembly.
The embodiment of the invention provides a kind of key induced method, and described method comprises:
By the induction zone that button is corresponding light emission is gone out;
Detect the described induction zone level information that the reflection ray that is reflected back triggers that is blocked;
Determine the operational order corresponding with described level information according to described level information.
The embodiment of the invention provides a kind of key induced device, and described device comprises light source, light sensation system and central processing unit;
Described light source is used for by induction zone corresponding to button light emission being gone out;
Described light sensation system is for detection of be blocked level information that the reflection ray that is reflected back triggers and export described central processing unit to of described induction zone;
Described central processing unit is used for determining the operational order corresponding with described level information according to described level information.
The embodiment of the invention provides a kind of portable terminal, and described portable terminal comprises above-mentioned key induced device.
From the invention described above embodiment as can be known, owing to have output level information when being blocked the reflection ray that is reflected back as long as detect position, induction zone place, thus determine and the corresponding operational order of described level information.Therefore, compare with existing physical button or touch virtual key, the method that the embodiment of the invention provides on the one hand user is experienced, and on the other hand, owing to do not need to dispose the physical keyboard of push type, can avoid advancing the defectives such as grey by button.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the below will do to introduce simply to the accompanying drawing of required use in prior art or the embodiment description, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those skilled in the art, can also obtain such as these accompanying drawings other accompanying drawing.
Fig. 1 is the acquisition methods schematic flow sheet of the resource pre-review figure that provides of the embodiment of the invention;
Fig. 2 is the key induced apparatus structure schematic diagram that the embodiment of the invention provides;
Fig. 3 is the key induced apparatus structure schematic diagram that another embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those skilled in the art obtain belongs to the scope of protection of the invention.
Seeing also accompanying drawing 1, is the acquisition methods schematic flow sheet of the resource pre-review figure that provides of the embodiment of the invention, mainly comprises step S101, step S102 and step S103, particularly:
S101 goes out light emission by the induction zone that button is corresponding.
In embodiments of the present invention, emission of light can be the built-in low-power luminous plaque of portable terminal, for example, miniature light-emitting diode etc.Take described low-power luminous plaque as light source, light is launched by induction zone.Each button, for example, letter key, numerical key and such as the function key such as the volume key of regulating volume or function button corresponding to an induction zone.Whether need to prove that different from the push type button, in embodiments of the present invention, induction zone is actually the infrared induction button, is not to respond to by pressing, but exist infrared ray to respond to by detecting.
S102 detects the described induction zone level information that the reflection ray that is reflected back triggers that is blocked.
In embodiments of the present invention, the light of launching with light source the reflection direction that is subject to reflex time over against the place, can place one by optical inductor and the integrated chip (IntegratedChip that is connected with optical inductor, IC) the light sensation system of logic module composition, wherein, optical inductor is used for detection of reflected light, and the IC logic module can write logic in advance and export corresponding logic according to the testing result of optical inductor input.Thing blocks if induction zone is blocked, for example, shelter contact or just near but contact induction district not, then the light reflection that just light source can be launched of this shelter is returned, the reflection ray emission of light superposes, light intensity can increase.Therefore, when optical inductor detects the light intensity increase at position, induction zone place, namely detect position, described induction zone place and have the reflection ray be blocked and be reflected back, the IC logic module corresponding level information that is triggered, and export this level information to the central processing unit that is connected with the light sensation system.
Need to prove that in embodiments of the present invention, the shelter that blocks position, induction zone place can be finger, also can be to simulate the gloves of staff or write " pen ", and the present invention does not limit this.
S103 determines the operational order corresponding with described level information according to described level information.
As previously mentioned, in embodiments of the present invention, shelter is actually position, place, contact induction district not, namely only needs near position, induction zone place.Therefore, when blocking position, induction zone place, the operational order that central processing unit triggered when operational order corresponding to determined and described level information had been equivalent to touch button.
The key induced method that provides from the invention described above embodiment owing to have output level information when being blocked the reflection ray that is reflected back as long as detect position, induction zone place, thereby is determined and the corresponding operational order of described level information as can be known.Therefore, compare with existing physical button or touch virtual key, the method that the embodiment of the invention provides is the contact induction district not, can reduce on the one hand the wearing and tearing to screen, and user's feel is experienced, on the other hand, owing to do not need to dispose physical keyboard, can be so that the appearance design of portable terminal be tending towards streamlined, outward appearance is more attractive in appearance, and the complete machine of portable terminal is easy to assembly, can reduce production cost.
In order to determine that shelter is general object or human finger, simulates the gloves of staff or write " pen ", in one embodiment of the invention, can also filter the visible light output infrared ray in the reflection ray, for example, reflection ray over against the place place a visible light filter, abut against and place an infrared inductor after the visible light filter; Visible light filter filters out the visible light in the reflection ray, thereby only exports infrared ray.The light sensation system detects position, induction zone place and has reflection ray that the thing that is blocked is reflected back and output level information; After infrared inductor receives infrared ray, determine by temperature sensor whether described shelter is pointed the gloves of simulation staff or write " pen ", determining that described shelter is the gloves of finger, simulation staff or exports interrupt signal in order to indicate described button to be triggered to central processing unit when writing " pen ".When receiving described level information and interrupt signal, triggers by central processing unit and the corresponding operational order of the described button of touch the operational order that the operational order that namely this moment, central processing unit triggered has triggered when being equivalent to touch button.
In another embodiment of the present invention, output level information can be when detecting position, induction zone place and having the reflection ray of described light: output high level when detecting described reflection ray and strengthening along the preset direction at position, described induction zone place.Typically, interface in audio application, for the volume key that shows in the induction zone, if the finger close volume key is along upward direction, downward direction, direction or when sliding to right left, reflection ray is also correspondingly along upward direction, downward direction, direction or move to right left, and namely reflection ray is along the upward direction at position, volume key place, downward direction, direction or strengthen to the illumination of right left.If the logic that writes in advance according to the IC logic module, the illumination of stipulating this direction strengthens corresponding to high level, then this moment, the light sensation system can export high level to central processing unit, and central processing unit triggers and pulls volume key along upward direction, downward direction, left direction or the operational order of triggering is identical when sliding to right operational order.
Output low level when on the contrary, detecting described reflection ray along preset direction is opposite in the above-described embodiment at position, described induction zone place orientation enhancement.Typically, interface in audio application, for the volume key that shows in the induction zone, if the finger close volume key is along upward direction, downward direction, direction or when sliding to right left, reflection ray is also correspondingly along upward direction, downward direction, direction or move to right left, be that reflection ray is along the upward direction at position, volume key place, downward direction, direction or strengthen to the illumination of right left, if stipulating the illumination of this direction strengthens corresponding to high level, then the finger close volume key is along downward direction, upward direction, during to right or direction slip left, reflection ray is also correspondingly along downward direction, upward direction, to right or left direction move, namely reflection ray is along the downward direction at position, volume key place, upward direction, strengthen to right or the illumination of direction left.If the logic that writes in advance according to the IC logic module, the illumination of stipulating this direction strengthens corresponding to low level, then this moment, the light sensation system can be to the central processing unit output low level, and central processing unit triggers and pulls volume key along downward direction, upward direction, to right or the operational order that the operational order of triggering is identical when direction is slided left.
In another embodiment of the present invention, detect the induction zone level information that the reflection ray that is reflected back triggers that is blocked and to be: output timing level when detection of reflected light changes along position, induction zone place preset direction.So-called sequential level, that optical inductor detects when changing along the reflection ray of position, induction zone place preset direction, the orderly level on time shaft of IC logic module output makes up, for example, high level-high level-low level, low level-high level-low level or low level-high level-low level-high level, etc.
For example, detect described reflection ray and when the preset direction at position, described induction zone place strengthens, export one group of high level, typically, interface in audio application, for the volume key that shows in the induction zone, if the finger close volume key slides along upward direction always, reflection ray also correspondingly strengthens along the illumination of upward direction.If according to the logic that the IC logic module writes in advance, stipulate that the illumination of this direction strengthens corresponding to high level, then this moment, the light sensation system can export high level-high level-high level to central processing unit according to sequential ....
Export one group of low level when on the contrary, detecting described reflection ray along preset direction is opposite in the above-described embodiment at position, described induction zone place orientation enhancement.Typically, at the interface of audio application, for the volume key that shows in the induction zone, if the finger close volume key slides along downward direction always, reflection ray also correspondingly strengthens along the illumination of downward direction.If according to the logic that the IC logic module writes in advance, stipulate that the illumination of this direction strengthens corresponding to low level, then this moment, the light sensation system can be according to sequential to central processing unit output low level-low level-low level ....
Can also be to detect described reflection ray backward lower time that makes progress first along position, described induction zone place and export one group of level that changes.Typically, interface in audio application, cut the song key for what show in the induction zone, slide along downward direction after upward direction is slided first if finger close is cut the song key, the illumination along downward direction after reflection ray also correspondingly strengthens along the illumination of upward direction first strengthens.If the logic that writes in advance according to the IC logic module, the illumination of regulation upward direction strengthens corresponding to high level, the illumination of downward direction strengthens corresponding to low level, then this moment, the light sensation system can export high level-low level to central processing unit according to sequential, what accordingly, central processing unit sent is the instruction of switching song.
Can also be to detect that described reflection ray is first downwards backward along position, described induction zone place exported one group of level that changes when upper.Typically, interface in audio application, for the Pause key that shows in the induction zone, if finger close Pause key elder generation slides along upward direction after the downward direction slip, reflection ray also correspondingly strengthens along the rear illumination along upward direction of the illumination enhancing of downward direction first.If the logic that writes in advance according to the IC logic module, the illumination of regulation upward direction strengthens corresponding to high level, the illumination of downward direction strengthens corresponding to low level, then this moment, the light sensation system can be according to sequential to central processing unit output low level-high level, what accordingly, central processing unit sent is the instruction that suspends played songs.
High level-high level, low level-low level, high level-low level and low level-high level of output etc. sequential level only illustrated when above-mentioned detection of reflected light changed along position, described induction zone place preset direction, if the IC logic module writes other logics in advance, correspondingly can also export other different sequential level, thereby realize different functions.
Seeing also accompanying drawing 2, is the key induced apparatus structure schematic diagram that the embodiment of the invention provides.For convenience of explanation, only show the part relevant with the embodiment of the invention.The key induced device of accompanying drawing 2 examples comprises light source 201, light sensation system 202 and central processing unit 203, wherein:
Light source 201 is used for by induction zone corresponding to button light emission being gone out;
Light sensation system 202 comprises optical inductor 2021 and the IC logic module 2022 that is connected with optical inductor 2021, for detection of be blocked level information that the reflection ray that is reflected back triggers and to the described level information of central processing unit 203 outputs of described induction zone;
Central processing unit 203 is used for determining the operational order corresponding with described level information according to described level information.
In the key induced device of accompanying drawing 2 examples, light source 201 can be the built-in low-power luminous plaque of portable terminal, for example, and miniature light-emitting diode etc.Take described low-power luminous plaque as light source 201, light is launched by induction zone.Each button, for example, letter key, numerical key and such as the function key such as the volume key of regulating volume or function button corresponding to an induction zone.Need to prove, from prior art provide the push type button different, whether in embodiments of the present invention, induction zone is actually the infrared induction button, be not to respond to by pressing, but exist infrared ray to respond to by detecting.Light sensation system 202 can be placed on the light launched with light source 201 the reflection direction that is subject to reflex time over against the place, wherein, optical inductor 2021 is used for detection of reflected light, arrow is depicted as reflection ray among the figure, and IC logic module 2022 can write logic in advance and export corresponding logic according to the testing result of optical inductor 2021 inputs.Thing blocks if induction zone is blocked, for example, shelter contact or just near but contact induction district not, then this shelter just can be returned the light reflection that light source 201 is launched, the reflection ray emission of light superposes, light intensity can increase.Therefore, when optical inductor 2021 detects the light intensity increase at position, induction zone place, namely detect the reflection ray that the existence of position, place is blocked and is reflected back in the described induction zone, the IC logic module 2022 corresponding level information that is triggered, and to central processing unit 203 these level informations of output that are connected with light sensation system 202.Need to prove that in embodiments of the present invention, the shelter that blocks position, induction zone place can be finger, also can be to simulate the gloves of staff or write " pen ", and the present invention does not limit this.
The key induced device that provides from the invention described above embodiment as can be known, owing to have output level information when being blocked the reflection ray that is reflected back as long as the light sensation system detects position, induction zone place, thereby determine the operational order corresponding with described level information by central processing unit.Therefore, compare with existing physical button or touch virtual key, the key induced device that the embodiment of the invention provides can without user's contact induction district, can reduce the wearing and tearing to screen on the one hand, and user's feel is experienced, on the other hand, owing to do not need to dispose physical keyboard, can be so that the appearance design of portable terminal be tending towards streamlined, outward appearance is more attractive in appearance, and the complete machine of portable terminal is easy to assembly, can reduce production cost.
In order to determine that shelter is general object or human finger, simulates the gloves of staff or write " pen ", in one embodiment of the invention, can also filter the visible light output infrared ray in the reflection ray, the key induced device that is accompanying drawing 2 examples can also comprise visible light filter 301 and infrared inductor 302, the key induced device that provides of another embodiment of the present invention as shown in Figure 3, wherein:
Visible light filter 301 exports described infrared inductor 302 for the visible light that filters described reflection ray to obtain infrared ray;
Infrared inductor 302 is used for determining to exist the interrupt signal of backward described central processing unit 203 outputs of described infrared ray in order to indicate described button to be triggered.
In the key induced device of accompanying drawing 3 examples, visible light filter 301 can be placed on reflection ray over against the place, infrared inductor 302 is placed after can abutting against visible light filter 301; Visible light filter 301 filters out the visible light in the reflection ray, thereby only exports infrared ray.Light sensation system 202 detects induction zones and has the reflection ray that is reflected back and the output level information of being blocked; After infrared inductor 302 receives infrared ray, determine whether described shelter is pointed, simulate the gloves of staff or write " pen " by temperature sensor, determining that described shelter is the gloves of finger, simulation staff or the interrupt signal exported in order to indicate described button to be triggered to central processing unit 203 when writing " pen ".When receiving level information and interrupt signal, triggers by central processing unit 203 and the corresponding operational order of the described button of touch the operational order that has triggered when namely the operational order of central processing unit 203 triggerings this moment has been equivalent to touch virtual key.
In the key induced device of accompanying drawing 3 examples, when light sensation system 202 strengthens along the preset direction at position, induction zone place for detection of reflection ray to central processing unit 201 output high level; Perhaps, light sensation system 202 for detection of reflection ray during along the opposite orientation enhancement of the preset direction at position, induction zone place to central processing unit 203 output low levels.Typically, interface in audio application, for the volume key that shows in the induction zone, if the finger close volume key is along upward direction, downward direction, direction or when sliding to right left, reflection ray is also correspondingly along upward direction, downward direction, direction or move to right left, and namely reflection ray is along the upward direction at position, volume key place, downward direction, direction or strengthen to the illumination of right left.If the logic that writes in advance according to IC logic module 2022, the illumination of stipulating this direction strengthens corresponding to high level, then this moment, the light sensation system 202 can be to central processing unit 203 output high level, and central processing unit 203 triggers and pulls volume key along upward direction, downward direction, left direction or the operational order of triggering is identical when sliding to right operational order.On the contrary, for the volume key that shows in the induction zone, if the finger close volume key is along upward direction, downward direction, direction or when sliding to right left, reflection ray is also correspondingly along upward direction, downward direction, direction or move to right left, and namely reflection ray is along the upward direction at position, volume key place, downward direction, direction or strengthen to the illumination of right left.If the logic that writes in advance according to IC logic module 2022, the illumination of stipulating this direction strengthens corresponding to high level, then the finger close volume key is along downward direction, upward direction, to right or when direction is slided left, reflection ray also correspondingly along downward direction, upward direction, to right or left direction move, namely reflection ray is along downward direction, the upward direction at position, volume key place, strengthen to right or the illumination of direction left.If the logic that writes in advance according to the IC logic module, the illumination of stipulating this direction strengthens corresponding to low level, then this moment, the light sensation system 202 can be to central processing unit 203 output low levels, and central processing unit 203 triggers and pulls volume key along downward direction, upward direction, to right or the operational order that the operational order of triggering is identical when direction is slided left.
In another embodiment, light sensation system 202 detects the induction zones level information that the reflection ray that is reflected back triggers that is blocked and can also be: output timing level when detection of reflected light changes along position, induction zone place preset direction.So-called sequential level, that optical inductor 2021 detects when changing along the reflection ray of position, induction zone place preset direction, the orderly level on time shaft of IC logic module 2022 outputs makes up, for example, high level-high level-low level, low level-high level-low level or low level-high level-low level-high level, etc.
For example, light sensation system 202 detects described reflection ray and export one group of high level when the preset direction at position, described induction zone place strengthens.Typically, at the interface of audio application, for the volume key that shows in the induction zone, if the finger close volume key slides along upward direction always, reflection ray also correspondingly strengthens along the illumination of upward direction.If according to the logic that IC logic module 2022 writes in advance, stipulate that the illumination of this direction strengthens corresponding to high level, then this moment, 202 meetings of light sensation system be exported high level-high level-high level according to sequential to central processing unit ....
Export one group of low level when on the contrary, light sensation system 202 detects described reflection ray along preset direction is opposite in the above-described embodiment at position, described induction zone place orientation enhancement.Typically, at the interface of audio application, for the volume key that shows in the induction zone, if the finger close volume key slides along downward direction always, reflection ray also correspondingly strengthens along the illumination of downward direction.If according to the logic that IC logic module 2022 writes in advance, stipulate that the illumination of this direction strengthens corresponding to low level, then light sensation system 202 can be according to sequential to central processing unit output low level-low level-low level at this moment ....
Light sensation system 202 detects the induction zones level information that the reflection ray that is reflected back triggers that is blocked: detect described reflection ray backward lower time that makes progress first along position, described induction zone place and export one group of level that changes.Typically, interface in audio application, cut the song key for what show in the induction zone, slide along downward direction after upward direction is slided first if finger close is cut the song key, the illumination along downward direction after reflection ray also correspondingly strengthens along the illumination of upward direction first strengthens.If the logic that writes in advance according to IC logic module 2022, the illumination of regulation upward direction strengthens corresponding to high level, the illumination of downward direction strengthens corresponding to low level, then this moment, 202 meetings of light sensation system were exported high level-low levels according to sequential to central processing unit 203, accordingly, central processing unit is sent out 203 what go out is the instruction of switching song.
Light sensation system 202 detects the induction zones level information that the reflection ray that is reflected back triggers that is blocked: detect that described reflection ray is backward first along position, described induction zone place exported one group of level that changes when upper downwards.Typically, interface in audio application, for the Pause key that shows in the induction zone, if finger close Pause key elder generation slides along upward direction after the downward direction slip, reflection ray also correspondingly strengthens along the rear illumination along upward direction of the illumination enhancing of downward direction first.If the logic that writes in advance according to IC logic module 2022, the illumination of regulation upward direction strengthens corresponding to high level, the illumination of downward direction strengthens corresponding to low level, then light sensation system 202 can be according to sequential to central processing unit 203 output low levels-high level at this moment, what accordingly, central processing unit 203 sent is the instruction that suspends played songs.
High level-high level, low level-low level, high level-low level and low level-high level of output etc. sequential level only illustrated when above-mentioned light sensation system 202 detection of reflected light changed along position, described induction zone place preset direction, if IC logic module 2022 writes other logics in advance, correspondingly can also export other different sequential level, thereby realize different functions.
The embodiment of the invention also provides a kind of portable terminal, and described portable terminal comprises the key induced device of Fig. 2 or Fig. 3 example.
Need to prove, the contents such as the information interaction between each module/unit of said apparatus, implementation, since with the inventive method embodiment based on same design, its technique effect that brings is identical with the inventive method embodiment, particular content can referring to the narration among the inventive method embodiment, repeat no more herein.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of above-described embodiment is to come the relevant hardware of instruction finish by program, such as following the whole bag of tricks one or more or all:
By the induction zone that button is corresponding light emission is gone out;
Detect the described induction zone level information that the reflection ray that is reflected back triggers that is blocked;
Determine the operational order corresponding with described level information according to described level information.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of above-described embodiment is to come the relevant hardware of instruction finish by program, this program can be stored in the computer-readable recording medium, storage medium can comprise: read-only memory (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), disk or CD etc.
More than a kind of key induced method, device and a kind of portable terminal that the embodiment of the invention is provided be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (12)
1. a key induced method is characterized in that, described method comprises:
By the induction zone that button is corresponding light emission is gone out;
Detect the described induction zone level information that the reflection ray that is reflected back triggers that is blocked;
Determine the operational order corresponding with described level information according to described level information.
2. the method for claim 1 is characterized in that, before determining the operational order corresponding with described level information according to described level information, described method also comprises:
Filter in the described reflection ray visible light with output infrared ray;
Determine to exist the interrupt signal of output in order to indicate described button to be triggered behind the described infrared ray.
3. method as claimed in claim 2 is characterized in that, describedly determines to exist output behind the described infrared ray in order to after the interrupt signal of indicating described button and being triggered, and described method also comprises:
Trigger and the corresponding operational order of described button when receiving described interrupt signal.
4. the method for claim 1 is characterized in that, the described induction zone of the described detection level information that the reflection ray that is reflected back triggers that is blocked, in the following way:
Output high level when detecting described reflection ray and strengthening along the preset direction at position, described induction zone place; Perhaps
Output low level when detecting described reflection ray along the opposite orientation enhancement of the preset direction at position, described induction zone place.
5. the method for claim 1, it is characterized in that, the described induction zone of the described detection level information that the reflection ray that is reflected back triggers that is blocked comprises: output timing level when detecting described reflection ray and changing along position, described induction zone place preset direction.
6. a key induced device is characterized in that, described device comprises light source, light sensation system and central processing unit;
Described light source is used for by induction zone corresponding to button light emission being gone out;
Described light sensation system is for detection of be blocked level information that the reflection ray that is reflected back triggers and export described central processing unit to of described induction zone;
Described central processing unit is used for determining the operational order corresponding with described level information according to described level information.
7. device as claimed in claim 6 is characterized in that, described device also comprises visible light filter and infrared inductor;
Described visible light filter exports described infrared inductor for the visible light that filters described reflection ray to obtain infrared ray;
Described infrared inductor is used for receiving the interrupt signal of the backward described central processing unit output of described infrared ray in order to indicate described button to be triggered.
8. device as claimed in claim 7 is characterized in that, triggers when described central processing unit is received described interrupt signal and the corresponding operational order of the described button of touch.
9. device as claimed in claim 6 is characterized in that, when described light sensation system strengthens along the preset direction at position, described induction zone place for detection of described reflection ray to described central processing unit output high level; Perhaps
Described light sensation system for detection of described reflection ray during along the opposite orientation enhancement of the preset direction at position, described induction zone place to described central processing unit output low level.
10. device as claimed in claim 6 is characterized in that, when described light sensation system changes along position, described induction zone place preset direction for detection of described reflection ray to described central processing unit output timing level.
11. device as claimed in claim 6 is characterized in that, described light source is micro-led.
12. a portable terminal is characterized in that, described portable terminal comprises the described key induced device of claim 6 to 11 any one.
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| CN107329572A (en) * | 2017-06-30 | 2017-11-07 | 努比亚技术有限公司 | Control method, mobile terminal and computer-readable recording medium |
| WO2018228143A1 (en) * | 2017-06-13 | 2018-12-20 | 里程 | Control method for sensor key, mobile terminal, and computer readable storage medium |
| CN109186036A (en) * | 2018-08-13 | 2019-01-11 | 珠海格力电器股份有限公司 | Remote controler, control method for remote controller and air-conditioning |
| CN111279306A (en) * | 2017-10-27 | 2020-06-12 | 韦斯特尔电子工业和贸易有限责任公司 | Electronic device and method of operating electronic device |
| CN114115513A (en) * | 2020-08-28 | 2022-03-01 | 荣耀终端有限公司 | Key control method and key device |
| CN116012984A (en) * | 2022-12-27 | 2023-04-25 | 德施曼机电（中国）有限公司 | Electronic lock based on laser projection keyboard and operation method and device thereof |
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| CN114115513B (en) * | 2020-08-28 | 2023-01-13 | 荣耀终端有限公司 | Key control method and key device |
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