CN101499380B - Keyboard and computer with automatic keyboard touch regulation function - Google Patents
Keyboard and computer with automatic keyboard touch regulation function Download PDFInfo
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- CN101499380B CN101499380B CN2008100571074A CN200810057107A CN101499380B CN 101499380 B CN101499380 B CN 101499380B CN 2008100571074 A CN2008100571074 A CN 2008100571074A CN 200810057107 A CN200810057107 A CN 200810057107A CN 101499380 B CN101499380 B CN 101499380B
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Abstract
The invention provides a keyboard which can automatically adjust the touching sense and a computer, wherein the keyboard comprises a plurality of keys, and a key circuit board which is arranged below the plurality of keys and used for generating a corresponding signal when each key is pressed on, wherein one of the plurality of keys comprises a keycap, a permanent magnet, an elastic element, and an electromagnet; the permanent magnet is arranged below the keycap; the elastic element is arranged below the permanent magnet and used for supporting the keycap and the permanent magnet and generating elasticity when the key is pressed on; and the electromagnet is arranged below a place corresponding to the key, opposite to the polarity of the permanent magnet, and used for generating a force which repels the permanent magnet when the electromagnet is electrified. By applying the technology, the adjustment can be carried out according to different feelings of the users; moreover, after replacement with new keys, the users can be adapted to the touching sense of hands for using new keys in a very short time.
Description
Technical field
The present invention relates to computer management technology, be meant a kind of keyboard and computer of automatic adjusting keyboard sense of touch especially.
Background technology
Along with popularizing of personal computer, the facility of obtaining message context that the user no longer contents just to computer and brought, but the impression in the individual appliance computer process is more and more paid attention to.Wherein, a very important aspect that influences user's impression is exactly a keyboard, though it is very attractive in appearance that keyboard appearance can be done, but the sense of touch aspect all is to be determined by initial designing institute usually, can not adjust according to user's different feeling, and the user needs a very long time to adapt to the use feel of new keyboard after having changed new keyboard.
Summary of the invention
The purpose of this invention is to provide a kind of keyboard and computer of automatic adjusting keyboard sense of touch, be used for solving prior art, the defective that computer keyboard can't be adjusted according to user's different feeling.
The embodiment of the invention provides a kind of keyboard, comprising: a plurality of buttons; A button circuit board is arranged on the below of described a plurality of buttons, is used for producing when described each button of a plurality of buttons is pressed corresponding push button signalling; A button in wherein a plurality of buttons comprises: keycap; Sensor element is used for the elastic force of perception button, and is converted into the transmission of elastic force signal; Permanent magnet is arranged on the below of described keycap; Flexible member is arranged on the below of described permanent magnet, is used to support described keycap and described permanent magnet, produces elastic force when described button is pressed; Electromagnet is arranged on the below of a described button correspondence position, and relative with the polarity of described permanent magnet, is used for producing when described electromagnet energising the mutual expelling force that repels each other with described permanent magnet.
In the described keyboard, described keyboard also comprises: power supply, be connected with described electromagnet, and be used for described electromagnet power supply.
In the described keyboard, described keyboard also comprises: regulating circuit, be arranged between described electromagnet and the described power supply, and be used for regulating the size of mutual expelling force between described electromagnet and the described permanent magnet by regulating described current of electromagnet.
In the described keyboard, described regulating circuit is specially: variable resistor, be arranged between described electromagnet and the described power supply, and be used for by changing the size that described variable-resistance resistance is regulated electric current.
In the described keyboard, described regulating circuit is specially: the resistance of a plurality of different resistances, and first end of the resistance of each described a plurality of different resistance is connected with described electromagnet; One switch, first end of described switch is connected with described power supply, and second end of described switch is connected with second end of each described resistance, is used for the size that the specific electrical resistance of the resistance by the described a plurality of different resistances of conducting is regulated electric current.
A kind of computer comprises: keyboard, described keyboard comprise a plurality of buttons and are arranged on the below of described a plurality of buttons and produce the button circuit board of respective keys signal when each described a plurality of button is pressed; A button in wherein said a plurality of button comprises: keycap; Sensor element is used for the elastic force of perception button, and is converted into the transmission of elastic force signal; Permanent magnet is arranged on the below of described keycap; Flexible member is arranged on the below of described permanent magnet, is used to support described keycap and described permanent magnet, produces resilience force when a described button is pressed; Electromagnet is arranged on the below of a described button correspondence position, and relative with the polarity of described permanent magnet, is used for producing when described electromagnet energising the mutual expelling force that repels each other with described permanent magnet.
In the described computer, described computer also comprises: power supply is used for described computer power supply; Regulating circuit is arranged between described electromagnet and the described power supply, is used for regulating the size of mutual expelling force between described electromagnet and the described permanent magnet by regulating described current of electromagnet.
In the described computer, described regulating circuit is specially: mode selecting unit is used for according to the management mode of user's triggering selection correspondence and sends triggering signal notice embedded controller; Embedded controller, be connected with described mode selecting unit, be used to discern described triggering signal, and receive elastic force signal from described sensor element, determine management strategy according to described triggering signal and described elastic force signal, and produce control signal according to the described management strategy of determining; Power management integrated circuit is connected with described embedded controller, is used for exporting corresponding electric current according to described control signal.
In the described computer, described management strategy is a spring curve, stroke and elastic force that two variablees of this spring curve are respectively described buttons; Described elastic force is big when initially pinning described button, and after this stroke along with described button increases, and then Dui Ying elastic force reduces; Perhaps, described elastic force is little when initially pinning described button, and after this stroke along with described button increases, and then corresponding elastic force strengthens.
In the described computer, described regulating circuit is specially: trigger element is used to produce the button triggering signal; Embedded controller is connected with described trigger element, is used to discern described button triggering signal, and produces control signal according to described button triggering signal; Power management integrated circuit is connected with described embedded controller, is used for the corresponding electric current according to described control signal output.
Use technology provided by the invention, can adjust, and the user has been after having changed new keyboard, the feel in the time of just adapting to the new keyboard of use in a short period of time according to user's different feeling; And the cost that increases is limited.
Description of drawings
Fig. 1 is the structural representation of embodiment of the invention computer keyboard key;
Fig. 2 is an embodiment of the invention computer keyboard operation principle schematic diagram;
Fig. 3 is a preferred administration strategy schematic diagram in the embodiment of the invention.
Embodiment
For making purpose of the present invention, technical characterictic and implementation result clearer, below in conjunction with the accompanying drawings and the specific embodiments technical scheme of the present invention is described in detail.
The button of present most of computer keyboard mainly is made of four parts, as shown in Figure 1: keycap, flexible member, X type support, button circuit board and keyboard board.Among the present invention, fix a permanent magnet below keycap, the N utmost point simultaneously adds electromagnet down below the keycap of each button of keyboard, perhaps keyboard board is made with electromagnet, and the N utmost point upwards; Utilize the scalable magnetic force of electromagnet to regulate repulsion between below electromagnet and the top permanent magnet, thereby the elastic force of adjusting button improve the sense of touch of user when using keyboard.For example, under the cold situation of electromagnet, do not provide and permanent magnet between repulsion, the user uses just the same with the use feeling of existing keyboard so; Under the situation of electromagnet energising, produce and permanent magnet between repulsion, thereby improve the feel of user when using keyboard.
In order fully to disclose the technical characterictic of the technology of the present invention, below select preferred embodiment to be described, still the button with keyboard the most commonly used is an example, a keyboard can comprise a plurality of buttons, keyboard comprises a button circuit board, be arranged on the below of described a plurality of buttons, be used for when each button of a plurality of buttons is pressed, producing the input that corresponding push button signalling is used as computer; A button in the described button as shown in Figure 1, comprising: keycap;
Permanent magnet is arranged on the below of described keycap, normally is fixed on the lower surface of keycap;
Flexible member is arranged between described keycap and the described button circuit board, is used to support described keycap and described permanent magnet, is used to a described button that restorable elastic force is provided when being pressed;
Electromagnet is arranged on the below of a button correspondence position, for example, can be arranged on the described button circuit board or under, perhaps be arranged on the bottom of described flexible member; And this electromagnet is relative with the polarity homopolarity of described permanent magnet, is used for producing the power of repelling each other with described permanent magnet when described electromagnet is switched on.
Can further include: two supports, consideration for mechanics, support is the X type usually, be arranged on the below of described keycap, be used for guaranteeing in the process of vertically being pressed horizontal moving not take place by bond energy, the elastic force of an answer can be provided with flexible member, and can be further used for the permanent magnet of fixing keycap and this keycap below.
Keyboard also comprises: power supply, be connected with described electromagnet, and be used for electromagnet is powered.
Keyboard also comprises: regulating circuit, be connected with described power supply with described electromagnet respectively, and normally all electromagnet are connected in series, be used for regulating by the size of described regulating circuit electric current and come mutual expelling force size between regulating magnet and the permanent magnet.
Regulating circuit specifically comprises: a switch, and first end of described switch is connected with described power supply, and second end is connected with a variable resistor; Described variable resistor can be:
Linearly variable resistance is arranged between described electromagnet and the described power supply, is used for by regulating the size that described variable-resistance resistance is regulated electric current, the size of the magnetic force that the size decision electromagnet of electric current can provide.
Described variable resistor can also be the resistance of a plurality of different resistances of parallel connection, and first end of each resistance is connected with described electromagnet; First end of described switch is connected with described power supply, second end of second this resistance of end and each of described switch is connected, and is used for comprising the size that some or several specific electrical resistance of the resistance of described a plurality of different resistances are come electric current in the regulating loop by conducting.
Described each electromagnet is its power supply by corresponding regulating circuit, and a kind of preferred embodiment wherein is that all electromagnet regulating circuits are its power supply; Be used for current limliting for regulating circuit except increasing a variable resistor, increase corresponding switch simultaneously, be used for, thereby change the magnetic force of electromagnet by the shutoff conducting of regulating electric current or the size that described variable-resistance resistance is regulated the electric current of regulating circuit.
As shown in Figure 2, it is the operation principle of technique scheme, wherein arrow is represented the flow direction of signal, because keyboard is aging, or the user need be from the elastic force that more meets own use habit of button, change the electric current of regulating circuit by switch, the change of electric current can cause the repulsion between permanent magnet and the electromagnet to change, and then the elastic force of button also changes accordingly.
For linearly variable resistance, switch can adopt the continuous control pattern, and promptly the size of Kong Zhi electric current can be any one numerical value in predetermined scope; For the resistance of a plurality of different resistances of parallel connection, also can be to adopt gear control, promptly the size of Kong Zhi electric current can only be several concrete discrete values in preset range.With the gear control mode is example, if the user needs the elastic force of button less, then switch can be arranged on minimum gear, this moment is very little or even do not have by current of electromagnet, and the elastic force of keyboard is provided by flexible member (for example rubber bowl) fully; If user's hand-power is bigger, it is big even reach maximum numerical value then switch can be arranged on the electric current of permission by regulating circuit, and the repulsion between this moment permanent magnet and the electromagnet becomes big.
Described switch can be a mechanical gear or be subjected to programme controlled electronic switch, if employing electronic switch, then further an office terminal can be set in computer, be used for the managing electronic switch, this need increase a power management integrated circuit (Power IC), need on keycap, increase a sensor element (Cap Sensor) simultaneously, and an embedded controller (Embedded Controller), the user selects the elastic force management strategy by the office terminal:
Wherein:
The office terminal can provide a patterned interface, makes the user to operate very easily, and selects management strategy;
Described management strategy is to set in advance, is specific a kind of spring curve, and as shown in Figure 3, wherein, the longitudinal axis is represented keyboard elastic force scope, and unit is a gram, facts have proved that maximum elastic force is advisable to be no more than 50 or 60 grams (that corresponding is 0.49-0.59 newton); Transverse axis is then represented key stroke, and unit is a millimeter (mm), and range is usually in the 2.0-2.7 millimeter.Can know that by the curve described in the figure described spring curve can have multiple choices.
The input current of electromagnet is not a fixing value, but adjust electric current according to the spring curve corresponding dynamic, and elastic force is bigger when for example just having pushed button, and elastic force reduces along with the downward stroke of keycap increases then, it is bigger that corresponding electric current is exactly early stage, and the later stage is less.
Mode selecting unit is used for the concurrent feed signals notice of the management mode embedded controller according to user's triggering selection correspondence; Described management mode generally includes: child's pattern, women's pattern, male pattern and self-defined pattern.
Embedded controller is used to receive the signal from described mode selecting unit, and seeks corresponding management strategy automatically according to management mode.When selecting different management modes, in different management strategies, select by embedded controller; With shown in Figure 3 two the pairing spring curves of different management strategies is example, if select male pattern, and the spring curve above then selecting, if women or child's pattern, the spring curve below then selecting is as management strategy.And can perhaps come corresponding different management modes on keyboard by in the graphic interface of computer, selecting to trigger described embedded controller by different shortcuts is set to the selection of management mode.
Embedded controller also is used to receive the sensed data from sensor element; And after the user has selected pattern, the instruction of this pattern correspondence is sent to power management integrated circuit, power management integrated circuit can manage button according to the spring curve of instruction and the management strategy correspondence of selecting, for example:, increase repulsion between described permanent magnet and the electromagnet by the electric current that increases described regulating circuit when the numerical value of the elastic force of described button during less than oneself expection; When the numerical value of the elastic force of described button during, reduce repulsion between described permanent magnet and the electromagnet by the electric current that reduces described regulating circuit greater than oneself expection.
Use above-mentioned technology, the invention provides a kind of computer of automatic adjusting keyboard sense of touch, in the keyboard of described computer: below each button, fix a permanent magnet, and another electromagnet is set below this permanent magnet, and homopolarity is relative between the two.
Described electromagnet connects by regulating circuit, a variable resistor is set in this regulating circuit is used for the electric current by this regulating circuit is carried out current limliting; And in regulating circuit, be provided with switch, be used to regulate the size of electric current.Described switch can be mechanical switch or electronic switch, and both can be that gear also can be that the mode of regulating is continuously carried out.
Increase a trigger element, power management integrated circuit in the regulating circuit of computer, and an embedded controller.
Trigger element normally is positioned at several buttons of keyboard, is used to produce the button triggering signal;
Embedded controller is connected with trigger element, is used to discern the button triggering signal of described trigger element, and produces control signal according to described push button signalling;
Power management integrated circuit is connected with described embedded controller, is used for the corresponding electric current according to described control signal output.
Among the above embodiment, only rely on the electric current of controlling output from the triggering signal of trigger element, for more comfort feel is provided when the user uses keyboard, can also further in button, increase sensor element in the preferred embodiment provided by the present invention, be used for the elastic force of perception button, and be converted into the transmission of elastic force signal.
And regulating circuit also comprises: mode selecting unit is used for according to the management mode of user's triggering selection correspondence and sends triggering signal notice embedded controller; Embedded controller, be connected with described mode selecting unit, be used to discern the triggering signal of described mode selecting unit, and receive button triggering signal from trigger element, determine management strategy according to two described signals, and produce control signal according to the described management strategy of determining; The power management power management integrated circuit is connected with described embedded controller, is used for exporting corresponding electric current according to described control signal.
Described management strategy can be described by spring curve, as shown in Figure 3, and stroke and elastic force that two variablees of this spring curve are respectively described buttons; When initially pinning described button, elastic force is bigger, and after this stroke along with button increases, and then Dui Ying elastic force reduces; Perhaps, when initially pinning described button, elastic force is less, and after this stroke along with described button increases, and then corresponding elastic force strengthens.
Should be noted that above embodiment is only unrestricted in order to technical scheme of the present invention to be described, all parameter values can be according to the actual conditions adjustment, and in this rights protection scope.Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the spiritual scope of technical solution of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. a keyboard is characterized in that, comprising:
A plurality of buttons;
A button circuit board is arranged on the below of described a plurality of buttons, is used for producing when described each button of a plurality of buttons is pressed corresponding push button signalling;
A button in wherein a plurality of buttons comprises:
Keycap;
Sensor element is used for the elastic force of perception button, and is converted into the transmission of elastic force signal;
Permanent magnet is arranged on the below of described keycap;
Flexible member is arranged on the below of described permanent magnet, is used to support described keycap and described permanent magnet, produces elastic force when described button is pressed;
Electromagnet is arranged on the below of a described button correspondence position, and relative with the polarity of described permanent magnet, is used for producing when described electromagnet energising the mutual expelling force that repels each other with described permanent magnet.
2. keyboard according to claim 1 is characterized in that, described keyboard also comprises:
Power supply is connected with described electromagnet, is used for described electromagnet power supply.
3. keyboard according to claim 2 is characterized in that, described keyboard also comprises:
Regulating circuit is arranged between described electromagnet and the described power supply, is used for regulating the size of mutual expelling force between described electromagnet and the described permanent magnet by regulating described current of electromagnet.
4. keyboard according to claim 3 is characterized in that, described regulating circuit is specially:
Variable resistor is arranged between described electromagnet and the described power supply, is used for by changing the size that described variable-resistance resistance is regulated electric current.
5. keyboard according to claim 3 is characterized in that, described regulating circuit is specially:
The resistance of a plurality of different resistances, first end of the resistance of each described a plurality of different resistance is connected with described electromagnet;
One switch, first end of described switch is connected with described power supply, and second end of described switch is connected with second end of each described resistance, is used for the size that the specific electrical resistance of the resistance by the described a plurality of different resistances of conducting is regulated electric current.
6. a computer is characterized in that, comprising:
Keyboard, described keyboard comprise a plurality of buttons and are arranged on the below of described a plurality of buttons and produce the button circuit board of respective keys signal when each described a plurality of button is pressed;
A button in wherein said a plurality of button comprises:
Keycap;
Sensor element is used for the elastic force of perception button, and is converted into the transmission of elastic force signal;
Permanent magnet is arranged on the below of described keycap;
Flexible member is arranged on the below of described permanent magnet, is used to support described keycap and described permanent magnet, produces resilience force when a described button is pressed;
Electromagnet is arranged on the below of a described button correspondence position, and relative with the polarity of described permanent magnet, is used for producing when described electromagnet energising the mutual expelling force that repels each other with described permanent magnet.
7. computer according to claim 6 is characterized in that, described computer also comprises:
Power supply is used for described computer power supply;
Regulating circuit is arranged between described electromagnet and the described power supply, is used for regulating the size of mutual expelling force between described electromagnet and the described permanent magnet by regulating described current of electromagnet.
8. computer according to claim 7 is characterized in that, described regulating circuit is specially:
Mode selecting unit is used for according to the management mode of user's triggering selection correspondence and sends triggering signal notice embedded controller;
Embedded controller, be connected with described mode selecting unit, be used to discern described triggering signal, and receive elastic force signal from described sensor element, determine management strategy according to described triggering signal and described elastic force signal, and produce control signal according to the described management strategy of determining;
Power management integrated circuit is connected with described embedded controller, is used for exporting corresponding electric current according to described control signal.
9. computer according to claim 8 is characterized in that described management strategy is a spring curve, stroke and elastic force that two variablees of this spring curve are respectively described buttons;
Described elastic force is big when initially pinning described button, and after this stroke along with described button increases, and then Dui Ying elastic force reduces;
Perhaps, described elastic force is little when initially pinning described button, and after this stroke along with described button increases, and then corresponding elastic force strengthens.
10. computer according to claim 7 is characterized in that, described regulating circuit is specially:
Trigger element is used to produce the button triggering signal;
Embedded controller is connected with described trigger element, is used to discern described button triggering signal, and produces control signal according to described button triggering signal;
Power management integrated circuit is connected with described embedded controller, is used for the corresponding electric current according to described control signal output.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100571074A CN101499380B (en) | 2008-01-29 | 2008-01-29 | Keyboard and computer with automatic keyboard touch regulation function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100571074A CN101499380B (en) | 2008-01-29 | 2008-01-29 | Keyboard and computer with automatic keyboard touch regulation function |
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| CN101499380B true CN101499380B (en) | 2011-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103366999A (en) * | 2012-03-28 | 2013-10-23 | 比亚迪股份有限公司 | Automobile horn pressing force control device, automobile horn pressing force control method and automobile |
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| CN103164044B (en) * | 2012-02-10 | 2016-08-17 | 联想(北京)有限公司 | Magnetic force keyboard and driving method thereof, include the electronic installation of magnetic force keyboard |
| CN103358987A (en) * | 2012-03-28 | 2013-10-23 | 比亚迪股份有限公司 | Pressure-based controlling device for automobile horn and automobile |
| CN102723074B (en) * | 2012-03-28 | 2014-06-04 | 深圳市中凯鑫科技有限公司 | Separable and foldable integrated musical instrument and keyboard manufacturing technology |
| CN103377842B (en) * | 2012-04-18 | 2016-03-02 | 联想(北京)有限公司 | A kind of button, keyboard and control method of keyboard and device, input unit |
| CN103869880B (en) * | 2012-12-14 | 2019-05-31 | 联想(北京)有限公司 | Electronic equipment and its keyboard |
| CN104599884B (en) * | 2015-01-28 | 2016-11-30 | 山东大学 | Magnetic suspension keyboard that a kind of spring curve is variable and method of work thereof |
| CN108494392A (en) * | 2018-02-05 | 2018-09-04 | 珠海磐磊智能科技有限公司 | Control method of keyboard and keyboard |
| CN111599622B (en) * | 2020-05-14 | 2022-10-11 | 东莞璟阳电子科技有限公司 | Key control method, device, keyboard and readable storage medium |
| CN111725017B (en) * | 2020-06-11 | 2022-11-01 | 歌尔科技有限公司 | Key control method, electronic device and readable storage medium |
| CN113064495A (en) * | 2021-03-25 | 2021-07-02 | 深圳莱宝高科技股份有限公司 | Keyboard and electronic device |
| CN115020137B (en) * | 2021-12-14 | 2023-04-07 | 荣耀终端有限公司 | Key assembly and electronic equipment |
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| CN1419684A (en) * | 1998-12-28 | 2003-05-21 | 索尼电脑娱乐公司 | Tactile-force generating apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103366999A (en) * | 2012-03-28 | 2013-10-23 | 比亚迪股份有限公司 | Automobile horn pressing force control device, automobile horn pressing force control method and automobile |
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| CN101499380A (en) | 2009-08-05 |
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