CN109714460A - Press key expansion device, terminal, key expansion method and storage medium - Google Patents
Press key expansion device, terminal, key expansion method and storage medium Download PDFInfo
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Abstract
It includes key, detection module, electric power driving module and electromagnetic coil that the embodiment of the present application, which discloses a kind of press key expansion device, terminal, key expansion method and computer readable storage medium, the press key expansion device,；The detection module, for detecting whether the key is pressed；Detect it is described by key pressing in the case where, output key detects signal；The electric power driving module charges for the electromagnetic coil according to the key detection signal drives, so that the magnetic field strength of the electromagnetic coil changes.The embodiment of the present application forms press key expansion device by key, detection module, electric power driving module and electromagnetic coil, and the magnetic field of press key expansion device changes and detected and handled by terminal when by key pressing；Solve the problems, such as that the virtual touch key of existing terminal influences the effect that user manipulates experience and viewing screen video；The extension for realizing terminal push, improves user experience.
Description
Technical field
The invention relates to field of terminal technology more particularly to a kind of press key expansion device, terminal, key extension sides
Method and computer readable storage medium.
Background technique
With the development of terminal technology, mobile phone has been not only traditional communication tool, even more a kind of
Integrate amusement, commercial affairs, internet intelligent terminal.Requirement of the people for mobile phone is also higher and higher, and large screen touches, is high
The functions such as resolution ratio camera, massive store space, high speed Internet access, expansible application program become the development trend of mobile phone
One of.
For current phone in order to realize that the height shielded shields accounting comprehensively, screen size has nearly reached mobile phone entirety front face area
90% or more, the front-operated key for consequently leading to mobile phone is all to use TP (Touch Panel, touch panel) virtually to press
Key is realized；The physical button of side is also only made of the simple common key such as power supply, volume.In certain user's use pattern
Under, when needing to input information, such as the key-input operation under game mode, it can only often be pressed by virtual in mobile phone screen
Realize that is, user, which passes through, touches the input that TP certain area realizes key information in key range.Due to needing to select in mobile phone screen
It takes certain area to realize virtual touch key, therefore will affect user and manipulate experience, also will affect user and watch screen video
Effect.
Summary of the invention
In view of this, the embodiment of the present application is designed to provide a kind of press key expansion device, terminal, key expansion method
And computer readable storage medium influences to use to solve to choose certain area realization virtual touch key in mobile phone screen
The problem of effect of family manipulation experience and viewing screen video.
It is as follows that the embodiment of the present application solves technical solution used by above-mentioned technical problem:
According to the one aspect of the embodiment of the present application, a kind of press key expansion device provided, the press key expansion device is used for
Terminal, the press key expansion device include key, detection module, electric power driving module and electromagnetic coil；
The detection module, for detecting whether the key is pressed；Detect it is described by key pressing in the case where, it is defeated
Key detects signal out；
The electric power driving module charges for the electromagnetic coil according to the key detection signal drives, with
So that the magnetic field strength of the electromagnetic coil changes.
In one embodiment, the press key expansion device further includes power supply module；
The power supply module, for being powered for the detection module and the electric power driving module.
In one embodiment, the press key expansion device further includes communication module；
The communication module, for by way of wired connection and/or the mode of wireless connection is connect with the terminal.
In one embodiment, the communication module includes DOCK interface and/or bluetooth communication.
According to the other side of the embodiment of the present application, a kind of terminal provided, the terminal includes sensor and processing
Device；
The sensor, in the case where the terminal has installed press key expansion device, detecting the key extension
Whether the magnetic field strength of device changes；Detecting the case where magnetic field strength of the press key expansion device changes
Under, it generates key and extends signal；
The processor extends signal for obtaining and responding the key that the sensor generates.
In one embodiment, the terminal further includes cue module；
The cue module, for generating prompt information in the case where the terminal has installed press key expansion device.
In one embodiment, the sensor arrangement is in the side or the back side of the terminal.
According to the other side of the embodiment of the present application, a kind of key expansion method provided, the key expansion method is used
In terminal, which comprises
In the case where the terminal has installed press key expansion device, the magnetic field strength for detecting the press key expansion device is
It is no to change；
In the case where detecting that the magnetic field strength of the press key expansion device changes, generates key and extend signal；
Obtain and respond the key extension signal of generation.
In one embodiment, described in the case where the terminal has installed press key expansion device, it is pressed described in detection
Whether the magnetic field strength of key expanding unit changes, before further include:
Judge whether the terminal has installed press key expansion device.
According to the other side of the embodiment of the present application, a kind of computer readable storage medium provided, the computer
Key extender is stored on readable storage medium storing program for executing, the key extender is realized above-mentioned when being executed by the processor
The step of key expansion method.
The press key expansion device, terminal, key expansion method and computer readable storage medium of the embodiment of the present application lead to
Key, detection module, electric power driving module and electromagnetic coil composition press key expansion device are crossed, key extends when pressing key pressing
The magnetic field of device changes and is detected and handled by terminal；The virtual touch key for solving existing terminal influences user and manipulates body
The problem of testing and watch the effect of screen video；The extension for realizing terminal push, improves user experience.
Detailed description of the invention
Fig. 1 is the hardware structural diagram for realizing the mobile terminal of each embodiment of the application；
Fig. 2 is a kind of communications network system architecture diagram provided by the embodiments of the present application；
Fig. 3 is the press key expansion device structural schematic diagram of the application first embodiment；
Fig. 4 is the mobile phone protecting case structural schematic diagram of the embodiment of the present application；
Fig. 5 is another structural schematic diagram of mobile phone protecting case of the embodiment of the present application；
Fig. 6 is the terminal structure schematic diagram of the application second embodiment；
Fig. 7 is the structure schematic diagram of the mobile phone of the embodiment of the present application；
Fig. 8 is the Hall sensor and application processor structural schematic diagram of the embodiment of the present application；
Fig. 9 is the key expansion method flow diagram of the application 3rd embodiment.
The embodiments will be further described with reference to the accompanying drawings for realization, functional characteristics and the advantage of the application purpose.
Specific embodiment
In order to be clearer and more clear technical problems to be solved in this application, technical solution and beneficial effect, tie below
Drawings and examples are closed, the application is further elaborated.It should be appreciated that specific embodiment described herein is only
To explain the application, it is not used to limit the application.
In subsequent description, it is only using the suffix for indicating such as " module ", " component " or " unit " of element
Be conducive to explanation of the invention, itself there is no a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
Terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as mobile phone, plate
Computer, laptop, palm PC, PDA (Personal Digital Assistant, personal digital assistant), PMP
(Portable Media Player, portable media player), navigation device, wearable device, Intelligent bracelet, pedometer
The fixed terminals such as equal mobile terminals, and number TV, desktop computer.
It will be illustrated by taking mobile terminal as an example in subsequent descriptions, it will be appreciated by those skilled in the art that in addition to special
Except element for moving purpose, the construction of embodiment according to the present invention can also apply to the terminal of fixed type.
Referring to Fig. 1, a kind of hardware structural diagram of its mobile terminal of each embodiment to realize the present invention, the shifting
Dynamic terminal 100 may include: RF (Radio Frequency, radio frequency) unit 101, WiFi module 102, audio output unit
103, A/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit
108, the components such as memory 109, processor 110 and power supply 111.It will be understood by those skilled in the art that shown in Fig. 1
Mobile terminal structure does not constitute the restriction to mobile terminal, and mobile terminal may include components more more or fewer than diagram,
Perhaps certain components or different component layouts are combined.
It is specifically introduced below with reference to all parts of the Fig. 1 to mobile terminal:
Radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal sends and receivees, specifically, by base station
Downlink information receive after, to processor 110 handle；In addition, the data of uplink are sent to base station.In general, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrating
Frequency unit 101 can also be communicated with network and other equipment by wireless communication.Any communication can be used in above-mentioned wireless communication
Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division
Multiple Access, wideband code division multiple access), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, frequency division duplex long term evolution) and TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex long term evolution) etc..
WiFi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch electricity by WiFi module 102
Sub- mail, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 1 shows
Go out WiFi module 102, but it is understood that, and it is not belonging to must be configured into for mobile terminal, it completely can be according to need
It to omit within the scope of not changing the essence of the invention.
Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 100
When under the isotypes such as formula, speech recognition mode, broadcast reception mode, by radio frequency unit 101 or WiFi module 102 it is received or
The audio data stored in memory 109 is converted into audio signal and exports to be sound.Moreover, audio output unit 103
Audio output relevant to the specific function that mobile terminal 100 executes can also be provided (for example, call signal receives sound, disappears
Breath receives sound etc.).Audio output unit 103 may include loudspeaker, buzzer etc..
A/V input unit 104 is for receiving audio or video signal.A/V input unit 104 may include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited
Storage is sent in memory 109 (or other storage mediums) or via radio frequency unit 101 or WiFi module 102.Mike
Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042
Quiet down sound (audio data), and can be audio data by such acoustic processing.Audio that treated (voice) data can
To be converted to the format output that can be sent to mobile communication base station via radio frequency unit 101 in the case where telephone calling model.
Microphone 1042 can be implemented various types of noises elimination (or inhibition) algorithms and send and receive sound to eliminate (or inhibition)
The noise generated during frequency signal or interference.
Mobile terminal 100 further includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity sensor can close when mobile terminal 100 is moved in one's ear
Display panel 1061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify the application of mobile phone posture
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；
The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer,
The other sensors such as hygrometer, thermometer, infrared sensor, details are not described herein.
Display unit 106 is for showing information input by user or being supplied to the information of user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1061.
User input unit 107 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family setting and the related key signals input of function control.Specifically, user input unit 107 may include touch panel 1071 with
And other input equipments 1072.Touch panel 1071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 1071 or in touch panel 1071
Neighbouring operation), and corresponding attachment device is driven according to preset formula.Touch panel 1071 may include touch detection
Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band
The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and by it
It is converted into contact coordinate, then gives processor 110, and order that processor 110 is sent can be received and executed.In addition, can
To realize touch panel 1071 using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel
1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can wrap
It includes but is not limited in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc.
It is one or more, specifically herein without limitation.
Further, touch panel 1071 can cover display panel 1061, when touch panel 1071 detect on it or
After neighbouring touch operation, processor 110 is sent to determine the type of touch event, is followed by subsequent processing device 110 according to touch thing
The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, touch panel 1071 and display panel
1061 be the function that outputs and inputs of realizing mobile terminal as two independent components, but in certain embodiments, it can
The function that outputs and inputs of mobile terminal is realized so that touch panel 1071 and display panel 1061 is integrated, is not done herein specifically
It limits.
Interface unit 108 be used as at least one external device (ED) connect with mobile terminal 100 can by interface.For example,
External device (ED) may include wired or wireless headphone port, external power supply (or battery charger) port, wired or nothing
Line data port, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Interface unit 108 can be used for receiving the input from external device (ED) (for example, number
It is believed that breath, electric power etc.) and the input received is transferred to one or more elements in mobile terminal 100 or can be with
For transmitting data between mobile terminal 100 and external device (ED).
Memory 109 can be used for storing software program and various data.Memory 109 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 109 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 109, and calls and is stored in storage
Data in device 109 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Managing device 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Mobile terminal 100 can also include the power supply 111 (such as battery) powered to all parts, it is preferred that power supply 111
Can be logically contiguous by power-supply management system and processor 110, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
Although Fig. 1 is not shown, mobile terminal 100 can also be including bluetooth module etc., and details are not described herein.
Embodiment to facilitate the understanding of the present invention, the communications network system that mobile terminal of the invention is based below into
Row description.
Referring to Fig. 2, Fig. 2 is a kind of communications network system architecture diagram provided in an embodiment of the present invention, the communication network system
System is the LTE system of universal mobile communications technology, which includes UE (User Equipment, the use of successively communication connection
Family equipment) (the land Evolved UMTS Terrestrial Radio Access Network, evolved UMTS 201, E-UTRAN
Ground wireless access network) 202, EPC (Evolved Packet Core, evolved packet-based core networks) 203 and operator IP operation
204。
Specifically, UE201 can be above-mentioned terminal 100, and details are not described herein again.
E-UTRAN202 includes eNodeB2021 and other eNodeB2022 etc..Wherein, eNodeB2021 can be by returning
Journey (backhaul) (such as X2 interface) is connect with other eNodeB2022, and eNodeB2021 is connected to EPC203,
ENodeB2021 can provide the access of UE201 to EPC203.
EPC203 may include MME (Mobility Management Entity, mobility management entity) 2031, HSS
(Home Subscriber Server, home subscriber server) 2032, other MME2033, SGW (Serving Gate Way,
Gateway) 2034, PGW (PDN Gate Way, grouped data network gateway) 2035 and PCRF (Policy and
Charging Rules Function, policy and rate functional entity) 2036 etc..Wherein, MME2031 be processing UE201 and
The control node of signaling, provides carrying and connection management between EPC203.HSS2032 is all to manage for providing some registers
Such as the function of home location register (not shown) etc, and preserves some related service features, data rates etc. and use
The dedicated information in family.All customer data can be sent by SGW2034, and PGW2035 can provide the IP of UE 201
Address distribution and other functions, PCRF2036 are strategy and the charging control strategic decision-making of business data flow and IP bearing resource
Point, it selects and provides available strategy and charging control decision with charge execution function unit (not shown) for strategy.
IP operation 204 may include internet, Intranet, IMS (IP Multimedia Subsystem, IP multimedia
System) or other IP operations etc..
Although above-mentioned be described by taking LTE system as an example, those skilled in the art should know the present invention is not only
Suitable for LTE system, be readily applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA with
And the following new network system etc., herein without limitation.
Based on above-mentioned mobile terminal hardware configuration and communications network system, each embodiment of the method for the present invention is proposed.
First embodiment
As shown in figure 3, the application first embodiment provides a kind of press key expansion device, the press key expansion device is for eventually
End, the press key expansion device includes key 31, detection module 32, electric power driving module 33 and electromagnetic coil 34.
In the present embodiment, the key 31 is physical entity key.It should be noted that the quantity of the key 31 exists
This is not construed as limiting.
As illustratively, the key 31 can be on the one hand insulating stiff key may be used by the way that insulating stiff key is arranged
The touch-control feel of user is promoted, another aspect insulating stiff key further improves press key expansion device more resistant to corrosion
Service life.
In the present embodiment, the quantity of the electromagnetic coil 34 is equally not limited thereto.
The detection module 32, for detecting whether the key 31 is pressed；In the feelings for detecting that the key 31 is pressed
Under condition, output key detects signal；
The electric power driving module 33 is filled for the electromagnetic coil 34 according to the key detection signal drives
Electricity, so that the magnetic field strength of the electromagnetic coil 34 changes.
Specifically, the electric power driving module 33 electromagnetic coil 34 according to the key detection signal drives is supplied
Electricity, the electric energy for flowing through the electromagnetic coil 34 are converted into magnetic field energy, have N to S (or S to N) in the electromagnetic coil 34
Magnetic field so that the magnetic field strength of 34 immediate vicinity of the electromagnetic coil becomes larger.
In one embodiment, the press key expansion device further includes power supply module (attached drawing is not shown)；
The power supply module, for being powered for the detection module 32 and the electric power driving module 33.
In this embodiment, the power supply to press key expansion device is realized by the way that power supply module is arranged, power supply module
Specific implementation is not construed as limiting herein.
In another embodiment, the press key expansion device further includes communication module (attached drawing is not shown)；
The communication module, for by way of wired connection and/or the mode of wireless connection is connect with the terminal.
In this embodiment, the communication module includes DOCK interface and/or bluetooth communication.
In order to preferably illustrate the press key expansion device of the present embodiment, below by taking mobile phone protecting case as an example and combine Fig. 4 and
Fig. 5 is illustrated:
As shown in figure 4, mobile phone protecting case includes n key (shown in the Key 1 to Key n in figure), detection module, power supply
Drive module, n electromagnetic coil (shown in the N1 to Nn in figure) and power supply module.Fig. 5 is another structure of mobile phone protecting case
Schematic diagram, it can be seen that the side of mobile phone protecting case is arranged in Key n key by Key 1 from the figure, which is convenient for
After mobile phone loads onto mobile phone protecting case, the user's operation key；In addition N1 is arranged in the one of mobile phone protecting case to Nn electromagnetic coil
End.
It refer again to shown in Fig. 4, when any of Key 1 to Key n key presses key pressing, such as Key m key
It presses, when detection module detects Key m by key pressing, generates key detection signal and be output to electric power driving module.Power supply
Drive module charges according to key detection signal drives electromagnetic coil, so that electromagnetic coil of the N1 into Nn electromagnetic coil
Magnetic field strength changes.Power supply module is that detection module and electric power driving module are powered.
The press key expansion device of the embodiment of the present application passes through key, detection module, electric power driving module and electromagnetic coil
Press key expansion device is formed, the magnetic field of press key expansion device changes and detected and handled by terminal when by key pressing；Solution
The virtual touch key of certainly existing terminal influences the problem of user manipulates experience and watches the effect of screen video；Realize end
The extension for holding key, improves user experience.
Second embodiment
As shown in fig. 6, the application second embodiment provides a kind of terminal, the terminal includes sensor 41 and processor
42。
It should be noted that the press key expansion device of the present embodiment, belongs to together with the press key expansion device of first embodiment
One design, specific implementation process is shown in first embodiment in detail, and the technical characteristic in first embodiment is equal in the present embodiment
Corresponding to be applicable in, which is not described herein again.
In the present embodiment, the sensor 41 can be Hall sensor or other can detecte the biography of changes of magnetic field
Sensor.
In the present embodiment, the sensor 41 is arranged in the side or the back side of the terminal.
As shown in fig. 7, HALL 1 is to HALL n sensor arrangement in the back side of mobile phone, HALL 1 to HALL n sensor
Placement position is corresponding with the placement position of the electromagnetic coil of press key expansion device.
The sensor 41 expands in the case where the terminal has installed press key expansion device, detecting the key
Whether the magnetic field strength of extending apparatus changes；Detecting the case where magnetic field strength of the press key expansion device changes
Under, it generates key and extends signal.
In the present embodiment, the key extension signal that the sensor 41 generates is linked with the processor 42.
As illustratively, as shown in figure 8, HALL 1 can pass through magnetic pole useful signal Hall_Pole_ to HALL n sensor
N1 to Hall_Pole_Nn and AP (Application Processor, application processor) link.
The processor 42 extends signal for obtaining and responding the key that the sensor generates.
In the present embodiment, the processor 42, can be right after getting the key extension signal of sensor generation
Corresponding key-press event is handled.
In one embodiment, the terminal further includes cue module (attached drawing is not shown)；
The cue module, for generating prompt information in the case where the terminal has installed press key expansion device.
In this embodiment, when terminal is assembled with press key expansion device, press key expansion device can actively have been prompted
It is installed, and can be customized by users the concrete function of each key, realize greatly improving for button operation experience.
In order to preferably illustrate the terminal of the present embodiment, below by taking mobile phone, mobile phone protecting case as an example and combine Fig. 4, Fig. 5,
Fig. 7 and Fig. 8 are illustrated:
As shown in figure 4, mobile phone protecting case includes n key (shown in the Key 1 to Key n in figure), detection module, power supply
Drive module, n electromagnetic coil (shown in the N1 to Nn in figure) and power supply module.
As shown in figure 5, the side of mobile phone protecting case is arranged in Key n key by Key 1, N1 to Nn electromagnetic coil is arranged
One end of mobile phone protecting case.
As shown in fig. 7, HALL 1 to HALL n sensor arrangement corresponding with the placement position of N1 to Nn electromagnetic coil
At the back side of mobile phone.
By default (when i.e. 1 key of Key is not pressed), N1 electromagnetic coil is uncharged, and periphery is without magnetic field.Assuming that
The function of 1 key of Key is defined as manipulating some personage in some game application and advances.When Key 1 presses key pressing, inspection
It surveys module and detects that Key 1 by key pressing, generates key detection signal and is output to electric power driving module.Electric power driving module root
It charges according to key detection signal drives N1 electromagnetic coil, the electric energy for flowing through N1 electromagnetic coil at this time is converted into magnetic field energy, N1
There is the magnetic field of N to S (or S to N) in electromagnetic coil, so that the magnetic field strength of N1 electromagnetic coil immediate vicinity becomes larger.
When 1 sensor of HALL detects the increment of magnetic field strength B of N1 electromagnetic coil, as shown in figure 8,1 sensor of HALL passes through magnetic
Very effective signal Hall_Pole_N1 and AP is linked.After AP gets magnetic pole useful signal Hall_Pole_N1, Key 1 is responded
Key-press event, and manipulate some personage in some game application and advance.
By default (when i.e. 2 key of Key is not pressed), N2 electromagnetic coil is uncharged, and periphery is without magnetic field.Assuming that
The function of 2 key of Key is defined as replicating the text chosen in some copy editor's application program.When Key 2 presses key pressing,
Detection module detects that Key 2 by key pressing, generates key detection signal and is output to electric power driving module.Electric power driving module
It being charged according to key detection signal drives N2 electromagnetic coil, the electric energy for flowing through N2 electromagnetic coil at this time is converted into magnetic field energy,
There is the magnetic field of N to S (or S to N) in N1 electromagnetic coil, so that the magnetic field strength of N2 electromagnetic coil immediate vicinity becomes
Greatly.When 2 sensor of HALL detects the increment of magnetic field strength B of N2 electromagnetic coil, as shown in figure 8,2 sensor of HALL passes through
Magnetic pole useful signal Hall_Pole_N2 and AP is linked.After AP gets magnetic pole useful signal Hall_SouthPole_N2, ring
2 key-press event of Key is answered, and replicates the text chosen in some copy editor's application program.
The terminal of the embodiment of the present application forms key by key, detection module, electric power driving module and electromagnetic coil
Expanding unit, the magnetic field of press key expansion device changes and is detected and handled by terminal when by key pressing；Solve existing end
The virtual touch key at end influences the problem of user manipulates experience and watches the effect of screen video；Realize terminal push
Extension, improves user experience.
3rd embodiment
As shown in figure 9, the application 3rd embodiment provides a kind of key expansion method, the key expansion method is for eventually
End, which comprises
Step S51, in the case where the terminal has installed press key expansion device, the magnetic of the press key expansion device is detected
Whether field intensity changes.
It should be noted that the press key expansion device of the present embodiment, belongs to together with the press key expansion device of first embodiment
One design, specific implementation process is shown in first embodiment in detail, and the technical characteristic in first embodiment is equal in the present embodiment
Corresponding to be applicable in, which is not described herein again.
In one embodiment, described in the case where the terminal has installed press key expansion device, it is pressed described in detection
Whether the magnetic field strength of key expanding unit changes, before further include:
Judge whether the terminal has installed press key expansion device.
In this embodiment, press key expansion device includes multiple electromagnetic coils, and terminal can be pressed with intelligent measurement and judgement
The installation of key expanding unit.
Further, when terminal is assembled with press key expansion device, actively press key expansion device can be prompted to install
At, and can be customized by users the concrete function of each key, realize greatly improving for button operation experience.
Step S52, it in the case where detecting that the magnetic field strength of the press key expansion device changes, generates key and expands
Open up signal.
Step S53, acquisition and respond generation key extension signal.
The key expansion method of the embodiment of the present application passes through key, detection module, electric power driving module and electromagnetic coil
Press key expansion device is formed, the magnetic field of press key expansion device changes and detected and handled by terminal when by key pressing；Solution
The virtual touch key of certainly existing terminal influences the problem of user manipulates experience and watches the effect of screen video；Realize end
The extension for holding key, improves user experience.
Fourth embodiment
The application fourth embodiment provides a kind of computer readable storage medium, deposits on the computer readable storage medium
Key extender is contained, for realizing the expansion of key described in 3rd embodiment when the key extender is executed by processor
The step of exhibition method.
It should be noted that the computer readable storage medium of the present embodiment, belongs to same with the method for 3rd embodiment
Design, specific implementation process is shown in embodiment of the method in detail, and the technical characteristic in embodiment of the method is right in the present embodiment
It should be applicable in, which is not described herein again.
The computer readable storage medium of the embodiment of the present application passes through key, detection module, electric power driving module and electricity
Magnetic coil forms press key expansion device, and the magnetic field of press key expansion device changes and detected and located by terminal when by key pressing
Reason；Solve the problems, such as that the virtual touch key of existing terminal influences the effect that user manipulates experience and viewing screen video；It is real
The extension for having showed terminal push, improves user experience.
It will appreciated by the skilled person that whole or certain steps, system, dress in method disclosed hereinabove
Functional module/unit in setting may be implemented as software, firmware, hardware and its combination appropriate.In hardware embodiment,
Division between the functional module/unit referred in the above description not necessarily corresponds to the division of physical assemblies；For example, one
Physical assemblies can have multiple functions or a function or step and can be executed by several physical assemblies cooperations.Certain objects
Reason component or all physical assemblies may be implemented as by processor, such as central processing unit, digital signal processor or micro process
The software that device executes, is perhaps implemented as hardware or is implemented as integrated circuit, such as specific integrated circuit.Such software
Can be distributed on a computer-readable medium, computer-readable medium may include computer storage medium (or non-transitory be situated between
Matter) and communication media (or fugitive medium).As known to a person of ordinary skill in the art, term computer storage medium includes
In any method or skill for storing information (such as computer readable instructions, data structure, program module or other data)
The volatile and non-volatile implemented in art, removable and nonremovable medium.Computer storage medium includes but is not limited to
RAM, ROM, EEPROM, flash memory or other memory technologies, CD-ROM, digital versatile disc (DVD) or other optical disc storages, magnetic
Box, tape, disk storage or other magnetic memory apparatus or it can be used for storing desired information and can be visited by computer
Any other medium asked.In addition, known to a person of ordinary skill in the art be, communication media generally comprises computer-readable
Other numbers in the modulated data signal of instruction, data structure, program module or such as carrier wave or other transmission mechanisms etc
According to, and may include any information delivery media.
Above by reference to Detailed description of the invention preferred embodiment of the present application, not thereby limit to the interest field of the application.This
Field technical staff does not depart from made any modifications, equivalent replacements, and improvements in scope of the present application and essence, should all be at this
Within the interest field of application.
Claims (10)
1. a kind of press key expansion device, which is used for terminal, which is characterized in that the press key expansion device includes
Key, detection module, electric power driving module and electromagnetic coil；
The detection module, for detecting whether the key is pressed；Detect it is described by key pressing in the case where, output is pressed
Key detects signal；
The electric power driving module charges for the electromagnetic coil according to the key detection signal drives, so that
The magnetic field strength of the electromagnetic coil changes.
2. press key expansion device according to claim 1, which is characterized in that the press key expansion device further includes power supply mould
Block；
The power supply module, for being powered for the detection module and the electric power driving module.
3. press key expansion device according to claim 1, which is characterized in that the press key expansion device further includes communication mould
Block；
The communication module, for by way of wired connection and/or the mode of wireless connection is connect with the terminal.
4. press key expansion device according to claim 3, which is characterized in that the communication module include DOCK interface and/
Or bluetooth communication.
5. a kind of terminal, which is characterized in that the terminal includes sensor and processor；
The sensor, for detecting the press key expansion device in the case where the terminal has installed press key expansion device
Magnetic field strength whether change；It is raw in the case where detecting that the magnetic field strength of the press key expansion device changes
Signal is extended at key；
The processor extends signal for obtaining and responding the key that the sensor generates.
6. terminal according to claim 5, which is characterized in that the terminal further includes cue module；
The cue module, for generating prompt information in the case where the terminal has installed press key expansion device.
7. terminal according to claim 5, which is characterized in that side or back of the sensor arrangement in the terminal
Face.
8. a kind of key expansion method, which is used for terminal, which is characterized in that the described method includes:
In the case where the terminal has installed press key expansion device, whether the magnetic field strength for detecting the press key expansion device is sent out
Changing；
In the case where detecting that the magnetic field strength of the press key expansion device changes, generates key and extend signal；
Obtain and respond the key extension signal of generation.
9. key expansion method according to claim 8, which is characterized in that described to have installed key extension in the terminal
In the case where device, whether the magnetic field strength for detecting the press key expansion device changes, before further include:
Judge whether the terminal has installed press key expansion device.
10. a kind of computer readable storage medium, which is characterized in that be stored with key expansion on the computer readable storage medium
Program is opened up, the key extender realizes key as claimed in claim 8 or claim 9 when being executed by the processor
The step of extended method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567098.3A CN109714460A (en) | 2018-12-20 | 2018-12-20 | Press key expansion device, terminal, key expansion method and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567098.3A CN109714460A (en) | 2018-12-20 | 2018-12-20 | Press key expansion device, terminal, key expansion method and storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109714460A true CN109714460A (en) | 2019-05-03 |
Family
ID=66257120
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811567098.3A Pending CN109714460A (en) | 2018-12-20 | 2018-12-20 | Press key expansion device, terminal, key expansion method and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109714460A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766999A (en) * | 2020-06-19 | 2020-10-13 | 杭州视为科技有限公司 | Extended control system based on physical keys and method for quickly accessing terminal |
| CN114996186A (en) * | 2022-04-29 | 2022-09-02 | 深圳市倍思科技有限公司 | Docking station video output method, device, terminal and computer readable storage medium |
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| CN207835508U (en) * | 2017-03-29 | 2018-09-07 | 谷歌有限责任公司 | It is provided as the mobile device accessory communicated with mobile device |
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| KR100622658B1 (en) * | 2004-08-09 | 2006-09-14 | 주식회사 케이티프리텔 | Bilaterally openable cellular phone |
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| CN114996186A (en) * | 2022-04-29 | 2022-09-02 | 深圳市倍思科技有限公司 | Docking station video output method, device, terminal and computer readable storage medium |
| CN114996186B (en) * | 2022-04-29 | 2024-02-06 | 深圳市倍思科技有限公司 | Docking station video output method, device, terminal and computer readable storage medium |
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Application publication date: 20190503 |