CN207780657U - A kind of keyboard of notebook computer and a kind of laptop - Google Patents

A kind of keyboard of notebook computer and a kind of laptop Download PDF

Info

Publication number
CN207780657U
CN207780657U CN201721670166.XU CN201721670166U CN207780657U CN 207780657 U CN207780657 U CN 207780657U CN 201721670166 U CN201721670166 U CN 201721670166U CN 207780657 U CN207780657 U CN 207780657U
Authority
CN
China
Prior art keywords
keyboard
notebook computer
touch screen
fingerprint
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201721670166.XU
Other languages
Chinese (zh)
Inventor
魏红奎
李锋
李志成
李建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Truly Opto Electronics Ltd
Original Assignee
Truly Opto Electronics Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Truly Opto Electronics Ltd filed Critical Truly Opto Electronics Ltd
Priority to CN201721670166.XU priority Critical patent/CN207780657U/en
Application granted granted Critical
Publication of CN207780657U publication Critical patent/CN207780657U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)

Abstract

The utility model discloses a kind of keyboard of notebook computer, including:It is inputted for keyboard, shows the changeable colour capacitive touch screen of virtual criterion keyboard;Wherein, it is provided with fingerprint recognition power supply unit in the touch screen.The keyboard of notebook computer can ensure laptop information security, promote user experience.The invention also discloses a kind of laptops, have above-mentioned advantageous effect.

Description

A kind of keyboard of notebook computer and a kind of laptop
Technical field
The utility model is related to laptop field, more particularly to a kind of keyboard of notebook computer and a kind of notebook electricity Brain.
Background technology
Laptop is common office equipment and daily necessities, due to being now arranged in information-intensive society, when passing through pen Remember that bulk information can be stored on laptop when this computer is handled official business or carries out other operations, naturally can in these information Including some controlled informations and privacy information, information security issue is particularly important.It is common to laptop at present Cipher mode is setting password, but password is easy to decode, and many equipment or software are required for password when in use, close Code Memory Process itself is very complicated and is easy to misremember, and the memory of password is more difficult after frequently replacing password, how to realize Simply and easily the information stored in laptop, which is encrypted, is particularly important.
In addition, laptop mostly uses greatly traditional mechanical keyboard at present, traditional mechanical keyboard is in operation Have sound, it is easy to bothering others, and being had the gap between button and button, be easy it is into dust and not easy to clean, moreover, passing The mechanical keyboard color of system is single, is mostly black, is easy to cause aestheticly tired to be difficult triggering user interest, influences user's body It tests.
Therefore, how to ensure laptop information security, promote user experience, be that those skilled in the art need to solve Certainly the technical issues of.
Utility model content
The purpose of this utility model is to provide a kind of keyboard of notebook computer, which can ensure notebook information Safety promotes user experience;The utility model also provides a kind of laptop, has above-mentioned advantageous effect.
In order to solve the above technical problems, the utility model provides a kind of keyboard of notebook computer, including:It is inputted for keyboard, Show the changeable colour capacitive touch screen of virtual criterion keyboard;
Wherein, it is provided with fingerprint recognition power supply unit in the touch screen.
Preferably, the fingerprint recognition power supply unit includes:
The fingerprint collecting sensor being set to outside the touch screen surface key area;
It is connect with the fingerprint collecting sensor, for taking the fingerprint from the fingerprint that the fingerprint collecting sensor acquires Information carries out the central processing unit of information comparison;
It is connect with the central processing unit, for being verified to the finger print information according to the standard fingerprint information of storage Information-storing device;
The power supply module being connect with the central processing unit.
Preferably, the changeable colour capacitive touch screen further includes:The vibrational feedback motor being integrated in below screen.
Preferably, the fingerprint recognition power supply unit further includes:The alarm being connect with the central processing unit.
Preferably, the changeable colour capacitive touch screen further includes:The button feedback sound equipment being integrated in below screen.
Preferably, the capacitive touch screen includes:Electrochomeric glass cover board.
Preferably, the capacitive touch screen further includes:Temperature sensor, the temperature sensor and the electrochromism Glass cover-plate connects, to change the color of the glass cover-plate according to temperature.
Preferably, the electrochomeric glass cover board is specially:The electrochomeric glass cover board of customizable pattern.
Preferably, the keyboard of notebook computer further includes:
It is set at the QWERTY keyboard button, the light source part for carrying out light filling for the keyboard.
The utility model discloses a kind of laptop, including:Such as the keyboard of notebook computer.
A kind of keyboard of notebook computer provided by the utility model, traditional machinery is substituted by using capacitive touch screen Keyboard, this keyboard with touch screen does not have sound in operation, and capacitance touch screen keyboard uses integral structure, does not have Gap, easy cleaning, in addition, can make keyboard outside as input equipment using changeable colour keyboard, to work and life band Carry out fresh and alive and individual character, operates mute, easy cleaning and changeable colour, can largely enhance user experience.In addition, utilizing Fingerprint recognition power supply unit determines whether startup power supply, only active user by the comparison of the finger print information to user Finger print information successful match after could start, it is not only easy to operate for users but also safe to the verification of fingerprint, The safe coefficient of information in laptop can be substantially improved, therefore, keyboard of notebook computer provided by the utility model can be with It ensures the safety of notebook information, promotes user experience.
The utility model also provides a kind of laptop, has above-mentioned advantageous effect, details are not described herein.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram for the keyboard of notebook computer that the utility model embodiment provides;
Fig. 2 is the fingerprint recognition power supply unit structure diagram that the utility model embodiment provides;
Fig. 3 is that schematic diagram is arranged in the fingerprint collecting sensor that the utility model embodiment provides.
Specific implementation mode
The core of the utility model is to provide a kind of keyboard of notebook computer, which can ensure that notebook is believed The safety of breath promotes user experience;The utility model also provides a kind of laptop, has above-mentioned advantageous effect, herein It repeats no more.
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.
Referring to FIG. 1, Fig. 1 is the structural schematic diagram for the keyboard of notebook computer that the utility model embodiment provides;The notebook Keyboard may include changeable colour capacitive touch screen 100, wherein fingerprint recognition power supply unit 200 is provided in touch screen 100.
Projection-type capacitive touch screen, the touch-control of projecting type capacitor panel may be used in the capacitive touch screen of the utility model Technology projected capacitive touch screen is that different ITO conducting wire modules are produced on two layers of ITO electro-conductive glass coating.Two The figure etched in module is mutually perpendicular to, they can be regarded as the draw runner of X and Y-direction consecutive variations.Since X, Y framework exist Different surfaces, intersection form a capacitive node.One draw runner can treat as driving line, and it is detecting that another draw runner, which is treated as, Line.When electric current is through a conducting wire in line of overdriving, if the extraneous signal for having capacitance variations, will cause another layer The variation of capacitive node on conducting wire.The variation of detecting capacitance can be obtained by the electronic loop measurement being attached thereto, then be passed through Digital signal is switched to by A/D controllers and does calculation process acquirement position (X, Y) by computer, and then obtains the position of anchor point.
The advantages of projection-type capacitive touch screen, is sensitivity higher, generally will not when carrying out on-screen virtual keyboard input There is " falling word " phenomenon, the input of high speed may be implemented, the dummy keyboard on projection-type touch screen utilizing capacitive technology completely can be real Now input speed identical with physical keyboard.Projection-type capacitive touch screen is generally divided into self-capacitance and mutually electricity according to its scan mode Hold two kinds:The capacitance that scan electrode and ground are constituted is typically referred to from holding.In a kind of useful ITO of glass surface (transparent conduction materials Material) manufactured scan electrode laterally and longitudinally, the two poles of the earth of a capacitance are just constituted between these electrodes and ground.When with hand or touch Touching will be connected in parallel with a capacitor into circuit when style of writing is touched, to make the overall capacitance in this scan line have Changed.When scanning, control IC scans vertical and horizontal electrode successively, and according to the front and back capacitance variations of scanning come really Determine the coordinate position of touch point.Self-tolerant scanning advantage be that sweep speed is fast, scan through a scan period only need scan X + Y (X and Y are the scan electrode quantity of X-axis and Y-axis respectively) root.The disadvantage is that None- identified ghost point, cannot accomplish really Real Touch do not limit the scan mode of touch screen at this.
Projected capacitive touch screen possesses outstanding signal-to-noise ratio, entire touch screen surface with high-precision than other touch screens Degree and can support it is multiple touch, in addition be not necessarily to user calibration Vehicles Collected from Market on capacitance touch scheme it is more mature, specifically The technical solution of capacitive touch screen can refer to the prior art.
Capacitive touch screen has generally comprised glass cover-plate, and the main purpose of glass cover-plate is buffer action, due to glass Cover board is proximate to the outermost layer of user, and simple in structure, it is preferred that discoloration can be realized by glass cover-plate.Specifically to glass How glass cover board realizes that the mode of discoloration does not limit, such as can be by the way that certain electrochromic substances, or installation temperature biography is added Sensor etc..Wherein, the variable color substance of addition realizes more convenient that variable color substance includes photochromic material, electrochromism object Matter etc. is introduced for electrochromism substance is added herein.Electrochromic material can be added in glass cover-plate so that Entire glass cover-plate can be changed colour by current control, realize the gorgeous colourful of keyboard, when being changed colour by current control, User can be liked according to itself come the color of control keyboard, realize personalisation process.
Preferably, it is the exclusive keyboard of personalized customization since electrochomeric glass plate front needs to etch computor-keyboard, The inside of electrochomeric glass plate far from user can customize pattern according to the demand of user, realize the personalized colorful of keyboard Effect.
In addition, photo chromic glass plate front due to needing display button, in order to facilitate user carry out touch system or other Operation can correspond to the position setting 3D buttons of button, embody position and the meaning of corresponding button, facilitate user on a glass Use.
The surface of touch screen 100 further includes fingerprint recognition electricity outside key area other than showing QWERTY keyboard button Source block 200.The power supply unit of existing laptop is mostly common push type mechanical button, and power knob is repeatedly being pressed After pressure, the feedback of pressing can decline with the service life of mechanical key, extremely be susceptible to failure;Moreover, current laptop As office equipment and daily necessities, some important data are often stored with, common secure fashion is by passing through The mode of password is set, but password is easy to decode, and also many equipment or software are required for password, password note when in use It is very complicated and be easy to misremember to recall process itself, the memory of password is more difficult after frequently replacing password, to solve above-mentioned two A problem, the utility model replace common push type mechanical power source button using fingerprint recognition power supply unit, you can to realize pen Remember the safety for storing data in this computer, and can solve the problems, such as that the button feedback service life is low.
Fingerprint recognition power supply unit 200 provided by the utility model verifies user identity by fingerprint recognition, The power supply of laptop is just opened after being verified.First user fingerprints are carried out before the normal work for opening laptop Verification, avoids operation of the illegal user to the laptop, can reduce the risk that data are stolen from source.Moreover, Due to the biological nature of fingerprint, everyone fingerprint is different, it is difficult to replicate, it is also difficult to decode, user is not necessarily to cumbersome Password is remembered, and is unlocked and is started by itself unique biological nature, greatly promotes user experience., specifically ,
Fingerprint recognition power supply unit 200 mainly include fingerprint recognition component and power supply unit, fingerprint recognition component with electricity Source block connects, and the functional component of power supply unit and laptop connects, and is used for startup function component, fingerprint recognition part can With reference to the prior art.Specifically, fingerprint recognition power supply unit can be with as shown in Fig. 2, including fingerprint collecting sensor, central processing Device, information-storing device and power supply module.
Wherein, fingerprint collecting sensor is set to touch screen surface, the finger print information for acquiring user, specific big Small, shape, material etc. can designed, designed as needed, for example, fingerprint collecting sensor could be provided as 1.5cm*1.5cm, gold Belong to the circle of material.The setting form of fingerprint collecting sensor does not limit, for example slightly below touch screen, Huo Zheye can be arranged It can maintain an equal level with touch screen, to reduce the degree of wear for the fingerprint collecting sensor for being set to touch screen surface, also for reduction Flase drop when non-user operates, the fingerprint collecting sensor that can be arranged in touch screen surface is slightly below touch screen, such as Fig. 3 institutes Show, certainly, in order to more beautiful, the component for acquiring fingerprint can also be set and maintained an equal level with touch screen, do not limited herein.
Central processing unit is connect with fingerprint collecting sensor, is mainly used for carrying from the fingerprint that fingerprint collecting sensor acquires Print information carries out information comparison.Carry out information comparison be mainly by the fingerprint that acquires fingerprint collecting sensor in advance The valid operation fingerprint of storage carries out matching comparison, and when matching degree is higher than threshold value, successful match, control connects with central processing unit The power supply module connect starts the function of laptop, and power supply module is connect with central processing unit, receives the finger of central processing unit It enables, specific setting can refer to the prior art.
Information-storing device is connect with central processing unit, for storing the standard fingerprint information that finger print information is compared, Here standard fingerprint information can be arranged with more than one, user it is multiple can be to user that laptop is operated Fingerprint does not limit the quantity of standard fingerprint information as valid operation fingerprint, at this.
Based on the above-mentioned technical proposal, a kind of keyboard of notebook computer provided by the utility model, by using capacitance touch Shield to substitute traditional mechanical keyboard, this keyboard with touch screen does not have sound, and capacitance touch screen keyboard in operation Using integral structure, without gap, easy cleaning, in addition, keyboard can be made to be set as input using changeable colour keyboard It is standby outer, to work and life brings fresh and alive and individual character, mute, easy cleaning and changeable colour are operated, can largely be increased Strong user experience.In addition, using fingerprint recognition power supply unit, determine whether to open by the comparison of the finger print information to user Dynamic power supply, could only start after the finger print information successful match of active user, not only be grasped for users to the verification of fingerprint Make simply, and safe, the safe coefficient of information in laptop can be substantially improved, therefore, the utility model institute The keyboard of notebook computer of offer can ensure the safety of notebook information, promote user experience.
Wherein, when fingerprint recognition fails, disabled user may attempts illegal startup laptop, to make in time Warning, fingerprint recognition power supply unit can further include alarm, and alarm is connect with central processing unit, when fingerprint recognition fails When, central processing unit sends out alarm command to alarm, controls the alarm of alarm.Wherein, due to it is possible that fingerprint is known Not wrong situation, therefore fingerprint recognition mistake can be carried out in some time range as user with setup failed frequency threshold value When the number lost is more than frequency of failure threshold value, start warning function, frequency of failure threshold value can be determined voluntarily, for example can be arranged For 5 times, it is 7 inferior, some time range refers to the time range of setting, for example when the time range set is 30min, works as user When the frequency of failure is more than frequency of failure threshold value in 30min, start warning function, frequency of failure threshold value here and time range Whether carrying out setting and specific setting value can voluntarily determine as needed.It is of course also possible to be not provided with alarm, herein not It limits, if do not limited the type of alarm when setting alarm.
Wherein, muting function may be implemented when user keys in due to keyboard of notebook computer provided by the utility model, still Some users may need the key entry substituted to feed back, and be keyed in order to be confirmed whether to realize, notebook provided by the utility model Keyboard can further include:Vibrational feedback motor.Vibrational feedback motor is integrated in below screen, may be implemented when keying in user It is reminded.User informs that user touches when touching screen, by vibration and whether completes that oscillation intensity is liked according to user can It is adjusted.Wherein, vibrational feedback motor can be set to it is all can key input section inside, can also only part can key in Partial inside setting, does not limit herein, when vibrational feedback motor be set to it is all can key input section inside when, can also Be arranged different situations to it is certain can key input section carry out vibrational feedback, can be needed that vibrational feedback motor is arranged according to user Whether startup.It is of course also possible to be not provided with vibrational feedback motor, do not limit herein.
Wherein, certain eyesights have the user of obstacle to use for convenience, and keyboard of notebook computer provided by the utility model can be with Further include:The button feedback sound equipment being integrated in below screen.It can be arranged when keying in some button, it is corresponding to send out the button Prompt tone, for example as key entry " A ", control sound equipment sends out " keying in A ", keys in feedback sound equipment and is set to inside touch screen, receives The message from keyboard of user is connected with the button harvester inside touch screen.It is of course also possible to it is not provided with button feedback sound equipment, It does not limit herein.
In addition, keyboard of notebook computer provided by the utility model may be implemented to change colour, wherein temperature sensor can be added, Temperature sensor is connect with electrochomeric glass cover board, and to change the color of glass cover-plate according to temperature, keyboard may be implemented Color keeps keyboard more splendid according to the real-time change of temperature.
Existing keyboard at dark using when often will appear each key position that user do not see keyboard Situation influences user experience, is used at dark in order to facilitate keyboard, promotes user experience, provided by the utility model Keyboard of notebook computer can further include light source part, and light source part is set at QWERTY keyboard button, for being carried out for keyboard Light filling.
Below to the utility model embodiment provide laptop be introduced, laptop described below with Above-described keyboard of notebook computer can correspond reference.
The utility model discloses a kind of laptop, which includes above-mentioned keyboard of notebook computer, notebook Keyboard is fixedly attached on laptop, it is of course also possible to which keyboard of notebook computer, which is arranged, is removably installed in notebook electricity On brain, it is more convenient the use of user.Keyboard of notebook computer is connect with each functional component in computer, for each functional component It is operated.
Based on the above-mentioned technical proposal, the laptop that the utility model embodiment provides, can ensure notebook information Safety, promoted user experience.
Keyboard of notebook computer provided by the utility model and a kind of laptop are described in detail above.Herein In apply specific case the principles of the present invention and embodiment be expounded, the explanation of above example is only used Understand the method and its core concept of the utility model in help.It should be pointed out that for those skilled in the art For, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these Improvement and modification are also fallen into the protection domain of the utility model claims.

Claims (9)

1. a kind of keyboard of notebook computer, which is characterized in that including:It is inputted for keyboard, show virtual criterion keyboard can Change colour capacitive touch screen;
Wherein, it is provided with fingerprint recognition power supply unit in the touch screen;
The fingerprint recognition power supply unit includes:
The fingerprint collecting sensor being set to outside the touch screen surface key area;
It is connect with the fingerprint collecting sensor, for the information that takes the fingerprint from the fingerprint that the fingerprint collecting sensor acquires Carry out the central processing unit of information comparison;
It is connect with the central processing unit, the information for storing the standard fingerprint information that the finger print information is compared is deposited Reservoir;
The power supply module being connect with the central processing unit.
2. keyboard of notebook computer according to claim 1, which is characterized in that the fingerprint recognition power supply unit further includes:With The alarm of the central processing unit connection.
3. keyboard of notebook computer according to claim 1, which is characterized in that the changeable colour capacitive touch screen further includes: The vibrational feedback motor being integrated in below screen.
4. keyboard of notebook computer according to claim 1, which is characterized in that the changeable colour capacitive touch screen further includes: The button feedback sound equipment being integrated in below screen.
5. keyboard of notebook computer according to claim 1, which is characterized in that the capacitive touch screen includes:Electrochromism Glass cover-plate.
6. keyboard of notebook computer according to claim 5, which is characterized in that the capacitive touch screen further includes:Temperature passes Sensor, the temperature sensor are connect with the electrochomeric glass cover board, to change the glass cover-plate according to temperature Color.
7. keyboard of notebook computer according to claim 6, which is characterized in that the electrochomeric glass cover board is specially:It is aobvious It is shown with the electrochomeric glass cover board of predetermined pattern.
8. according to the keyboard of notebook computer described in claim 1 to 7 any one, which is characterized in that further include:
It is set at the QWERTY keyboard button, the light source part for carrying out light filling for the keyboard.
9. a kind of laptop, which is characterized in that including:Such as claim 1-8 any one of them keyboard of notebook computer.
CN201721670166.XU 2017-12-05 2017-12-05 A kind of keyboard of notebook computer and a kind of laptop Active CN207780657U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721670166.XU CN207780657U (en) 2017-12-05 2017-12-05 A kind of keyboard of notebook computer and a kind of laptop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721670166.XU CN207780657U (en) 2017-12-05 2017-12-05 A kind of keyboard of notebook computer and a kind of laptop

Publications (1)

Publication Number Publication Date
CN207780657U true CN207780657U (en) 2018-08-28

Family

ID=63230482

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721670166.XU Active CN207780657U (en) 2017-12-05 2017-12-05 A kind of keyboard of notebook computer and a kind of laptop

Country Status (1)

Country Link
CN (1) CN207780657U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111338431A (en) * 2020-02-29 2020-06-26 重庆顺贞科技有限公司 Notebook keyboard protection device
CN111478989A (en) * 2020-03-17 2020-07-31 江西沃格光电股份有限公司 Cover plate assembly and electronic equipment
CN114360228A (en) * 2022-03-21 2022-04-15 广州市致胜电器制造有限公司 Linkage alarm device for fingerprint lock authentication failure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111338431A (en) * 2020-02-29 2020-06-26 重庆顺贞科技有限公司 Notebook keyboard protection device
CN111338431B (en) * 2020-02-29 2023-05-16 重庆顺贞科技有限公司 Notebook keyboard protection device
CN111478989A (en) * 2020-03-17 2020-07-31 江西沃格光电股份有限公司 Cover plate assembly and electronic equipment
CN114360228A (en) * 2022-03-21 2022-04-15 广州市致胜电器制造有限公司 Linkage alarm device for fingerprint lock authentication failure

Similar Documents

Publication Publication Date Title
CN207780657U (en) A kind of keyboard of notebook computer and a kind of laptop
US9965107B2 (en) Authenticating with active stylus
US9262603B2 (en) Advanced authentication technology for computing devices
US20150324625A1 (en) Electronic apparatus with fingerprint sensing function, driving circuit, and method for driving electronic apparatus with fingerprint sensing function
US20130159927A1 (en) Electronic device with touch screen and screen unlocking method thereof
US20130300985A1 (en) Integrated privacy filter
KR20170136359A (en) Method for activiating a function using a fingerprint and electronic device including a touch display supporting the same
US20080246584A1 (en) Locking digital pen
US20140208417A1 (en) Systems and methods for continuous biometric authentication and presence detection of user of an information handling system
CN105765594A (en) Method and apparatus for authenticating access to a multi-level secure environment of an electronic system
TWM509927U (en) Fingerprint sensing function device
EP3014508A1 (en) Improvements in or relating to user authentication
CN102508591A (en) Prevention of accidental device activation
CN110939328B (en) Biological identification intelligent electric lock system
CN109150509A (en) A kind of equipment method for unlocking, device, terminal device and medium
TWM501595U (en) Electronic device with fingerprint sensing function and driving circuit thereof
CN103442141A (en) Method for having access to safe mode in one-touch mode
WO2018192391A1 (en) Unlocking method and mobile terminal
CN108171048A (en) Password prompt method, apparatus, storage medium and terminal
CN107103224A (en) A kind of unlocking method and mobile terminal
EP3719688B1 (en) Operation authentication relay device, method, and program
WO2016153859A1 (en) Security schemes for electronic paper display devices
US9858409B2 (en) Enhancing security of a mobile device using pre-authentication sequences
CN102486678A (en) Electronic device and keyboard device thereof and keyboard input method
US20070143627A1 (en) Input device and password control method used therein

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant