CN203224838U - Hand-held keyboard - Google Patents
Hand-held keyboard Download PDFInfo
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- CN203224838U CN203224838U CN 201320068279 CN201320068279U CN203224838U CN 203224838 U CN203224838 U CN 203224838U CN 201320068279 CN201320068279 CN 201320068279 CN 201320068279 U CN201320068279 U CN 201320068279U CN 203224838 U CN203224838 U CN 203224838U
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Abstract
The utility model discloses a hand-held keyboard comprising a pair of handles suitable for holding in left and right palms. Five or more buttons are distributed on every handle. Five main buttons are directly opposite to five fingers. When the above handles are naturally held, the five main buttons are naturally contacted with positions of the five fingers. A motion detection unit for detecting hand motion is arranged in the handle. A microprocessor, a communication unit and a power supply unit are also mounted in the handle. The buttons and the motion detection unit are connected with the microprocessor. The microprocessor is connected with the communication unit. The communication unit is used for transmitting button and position information to a computer and receiving correlative data from the computer. The utility model also discloses a button discrimination and input method for the above hand-held keyboard. The hand-held keyboard continues use habit of conventional keyboards, supports touch-typing high speed input, can be operated in a mobile state and is portable.
Description
Technical field
A kind of computerized information input equipment, particularly a kind of portable hand held keyboard, and input method.
Background technology
Computing machine develops into today, and miniaturization rapidly, portability and mobile are various informative.Tablet computer, palm PC, these little terminal devices to the pocket of can packing into of smart mobile phone have possessed powerful calculation process ability, but small-sized, the high-efficiency information input media that do not adapt so far occur.Though various information input equipments emerge in an endless stream, as touch-screen, handwriting pad, projected keyboard, air mouse, various miniature keyboard, we find not have a kind of the efficiently easy-to-use of conventional desktop keyboard and mouse that reach.As touch-screen and dummy keyboard, input speed is far away not as good as common keyboard; Input efficiency is extremely low though projected keyboard is portable.Trace it to its cause, mainly be lack feel, do not have tactile feedback, can not touch system, can't operate simultaneously by both hands.
Summary of the invention
The invention provides a kind of portable hand held keyboard and input method thereof, use hand held keyboard of the present invention, the user can not change existing keyboard operation custom and realize that the touch system of similar conventional desktop keyboard and both hands operate simultaneously, and can carry out the keyboard input in movement.
Hand held keyboard of the present invention comprises a pair of handle that is fit to be held in the left and right palm, be distributed with five or above button on each handle, wherein five main buttons are directly corresponding to five fingers, namely when holding above-mentioned handle naturally, five main buttons contact naturally with certain position of five fingers; Handle inside is equipped with motion detection unit for detection of the motion of hand, and microprocessor and communication unit and power supply unit etc. are arranged; Described button and motion detection unit are linked described microprocessor, and microprocessor also connects communication unit.Communication unit is used for button and positional information are transferred to computing machine, also can receive relevant data from computing machine.
In order to carry out the button input of whole keyboards with limited button, the method that keyboard is differentiated is as follows: the 1) set of the location status (hereinafter to be referred as the hand position) of default limited hand, as benchmark, other hand position is determined with respect to the side-play amount of its ready position by the position of hand comprising each ready position of right-hand man; 2) respectively point corresponding keyboard under default each hand position; 3) the static and maintenance certain hour when hand, then setting the position of this moment is ready position; 4) according to the movable information of motion detection unit output, calculate palmistry for the side-play amount of its ready position, thus the residing hand of real-time judge hand position state; 5) when the handle actuation of keys takes place, according to the default corresponding relation of pointing under the remote holder position with keyboard of working as of step 2, send corresponding keyboard information.
The exemplary position state of hand when above-mentioned hand position state is imported corresponding to conventional keyboard, these number of states are limited, keyboard type is relevant accordingly with institute.In the actual keyboard operation, a reference position i.e. ' ready position ' is arranged, refer to left index finger contact ' f ', the position of right hand forefinger contact ' j '.During ' ready position ' of left hand (following represent with L0), effectively button is ' a ', ' s ', ' d ', ' f ', respectively little finger of toe, the third finger, middle finger, the forefinger of corresponding left hand.Left hand is pressed next transmission ' f ' key as forefinger when this hand position, press next transmission ' d ' key as middle finger, by that analogy.Effective button of the right hand ' ready position ' (following represent with R0) be ' j ', ' k ', ' l ', '; ', correspond respectively to forefinger, middle finger, the third finger, the little finger of toe of the right hand, that is, by next transmission ' j ', middle finger is by next transmission ' k ', by that analogy as forefinger.When the target button is not above-mentioned button, then need hand or finger are shifted out above-mentioned position, carry out the keystroke action, playback naturally in ' ready position ' then.Left hand moves right from ' ready position ' and then is ' Lr ' hand position, and at this moment effectively button has only ' g ', corresponding to the forefinger action of left hand.Namely at this moment press next transmission ' g ' as left index finger, other finger is pressed does not have response.Left hand moves to left then to arriving ' Ll ' hand position, at this moment has only ' CapsLock ' effective, corresponding to the left hand little finger of toe, etc.
The position skew of hand comprises that the attitude angle changes and position translation, and therefore described motion detection unit can be by micro electronmechanical (MEMS) acceleration transducer, gyroscope, magnetic field sensor, or more than one the sensors constitute.
For compounding practice, can keyboard image be shown by software, in keyboard shows, can show hand position state, particularly show current effective keyboard information, thereby the end user can be real-time relieve oneself a state and effectively button set, import more exactly, avoid malfunction.
Beneficial effect:
1. because employing is held in the palm of the hand, point even refer to the mode of root operation, device volume of the present invention is little, and is in light weight, portable.
2. two handles are separate, can operate simultaneously, improved input efficiency.
3. after introducing sense of touch or audio feedback, can realize touch-typing operation.
4. introduce suitable motion detection unit, only need the small movements of hand or rotation can realize the detection of hand position and button operation, do not need arm action, so the muscle group amount of exercise is little, be fit to a large amount of input services.
5. hand held keyboard of the present invention not only can use at desktop, also can use in standing, walking.
Description of drawings
Fig. 1 is the left hand handle arrangement synoptic diagram of the hand held keyboard of first embodiment of the invention.The right hand handle structure is the mirror image symmetry therewith.
Fig. 2 is that the microprocessor in the first embodiment of the invention carries out the firmware program process flow diagram that calculate the hand position.
Fig. 3 is in the first embodiment of the invention, the form of the corresponding relation of forefinger, middle finger, the third finger, little finger of toe and keyboard under the different hands of the left hand position.
Fig. 4 is in the first embodiment of the invention, the form of the corresponding relation of forefinger, middle finger, the third finger, little finger of toe and keyboard under the different hands of the right hand position.
Fig. 5 is in the four embodiment of the invention, the distribution schematic diagram of left hand handle surfaces Vib..
Among the figure: handle casing 1, the main button 2 of thumb correspondence, the main button 3 of forefinger correspondence, the main button 4 of middle finger correspondence, nameless corresponding main button 5, the main button 6 of little finger of toe correspondence, motion detection unit 7, microcontroller circuit 8, communication unit 9, power supply 10, modifier key 11.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described.
Embodiment 1:
Fig. 1 has provided the left hand handle arrangement synoptic diagram of hand held keyboard of the present invention, and right hand handle and its symmetry are not drawn.Handle casing 1 is the shell structure of being made by the lightweight organic material, its size and shape make it and can be held in the hand more naturally, and the position of button is such: when normally holding in palm, the finger tripe of thumb drops on main button 2 naturally, root joint (the 3rd joint of forefinger, middle finger, the third finger, little finger of toe, namely refer to root) contact main button 3,4,5,6 naturally, thumb can contact and press modifier key 11 after physical slot slightly moves.Microcontroller circuit 8 is common single chip circuits, and it connects motion detection unit 7 and displacement is calculated.Microcontroller circuit 8 connects all buttons 2 ~ 6 simultaneously, and 11, and according to position and state and the actuation of keys of hand, export corresponding button data, send to main frame by communication unit 9, the main frame here refers to that common PC, notebook computer, mobile intelligent terminal equipment etc. receive the terminal device of keyboard data.Power supply 10 is for the circuit supply in all handles.
The motion detection unit 7 of present embodiment adopts InvenSense, Inc. the MPU-6050 of company, it has comprised a three-axis gyroscope (3-axis gyroscope) and a three axis accelerometer (3-axis accelerometer), and present embodiment has utilized its three-axis gyroscope.Single-chip microcomputer adopts common 8 single-chip microcomputers.Realize the calculating of hand position in the firmware of single-chip microcomputer, wherein the function of core is the real-time calculating of hand position.
Judge that whether hand is in the reference position and sets the reference position parameter is to carry out the basis that calculate the hand position.In practical operation, when hand prepares to carry out the keyboard input, need earlier both hands to be positioned on the ready position, after this from then on the set out position that arrive to need, position is carried out keyboard and is knocked, and also to get back to ready position after knocking rapidly, therefore hand all is of short duration and dynamic in other positions, only just has the static of certain hour at ready position.It is multiple to judge that static method has, for example can be with the output acceleration information of motion detection unit near constant, angular velocity near constant, and keep certain hour as criterion.Because when hand is static, acceleration constant (comprising the acceleration of gravity composition), angular velocity is also constant, and at the volley, though acceleration also may occur near constant, angular velocity also constant moment, but because physical size restriction, and hand is difficult to remain a constant speed at the volley, and this steady state (SS) can not keep for a long time.If further introduce the output of magnetic field intensity, can judge stationary state more reliably.
Fig. 2 is that microprocessor carries out the firmware program process flow diagram that calculate the hand position in the present embodiment.After program initialization, the hand position is in nondeterministic statement, in one's handsly remains static and has kept the Ts time up to detecting.At this moment judge that the hand position is in ' ready position ', relevant reference position parameter (angle of each) is carried out initialization, with as benchmark.Whether circulation after this carries out that position skew (angular deflection) is calculated, hand position state upgrades, and monitor the condition that above-mentioned hand position is in standby condition and satisfy again, as satisfying, then carries out the reference position parameter initialization again, to prevent the secular error accumulation.The Ts of present embodiment is set to 2 seconds.In fact, in the MPU-6050 chip, provide static detection (zero-motion detection) function, can be used.
In Fig. 3, the default left hand hand position of present embodiment has 16 kinds, and wherein L0 represents ready position, and Ll represents that the position that moves to left from the L0 position, Lr represent the position that moves to right from the L0 position; Ldm(wherein m is one-bit digital) to moving down the m hand position in step, the m step span here is from unit from L0 in expression, and 1 goes on foot the shortest skew that can reliably differentiate for system.Ldml(wherein m is one-bit digital) represent to move down the position that the m step moves to left again from L0; Ldmr(wherein m is one-bit digital) represent to move down the position that the m step moves to right again from L0; Equally, Lum(wherein m is one-bit digital) represent upwards to move the m hand position in step from L0, Luml represents to move the position that the m step moves to left again on L0; Lumr represents to move the position that the m step moves to right again on L0.The setting of described ranging offset needs to determine according to test, is principle with distinguishable and mobile minimum.Wherein to represent to point corresponding main button invalid under corresponding hand position for Invalid.
In Fig. 4, the default right hand hand position of present embodiment has 18 kinds, and wherein R0 represents the ready position of the right hand, and the hand bit representation of the expression rule of other hand position and implication and above-mentioned left hand mutually roughly the same.
Left hand and right hand thumb button (main button 2) are all corresponding to space bar, to meet the conventional keyboard operating habit.
On the basis of having realized hand position real-time follow-up, when actuation of keys takes place, table look-up according to Fig. 3 or Fig. 4 form, the action of finger presses master button can be converted into the keyboard action, and information is transferred to main frame, thereby realize the keyboard input.Can design actuation of keys in the circuit and trigger microprocessor and interrupt, in interrupt service routine, carry out above-mentionedly tabling look-up and calculating, and finish communication work.
Software in the main frame can show a keyboard, and wherein corresponding to being highlighted when effective button of remote holder position, thereby the user can direct visual screen, carries out the keyboard input by the action of both hands.
Described communication unit is a wireless data transfer module, can communicate with main frame by it.It also can be a wired communication interface circuit.
Present embodiment is with reference to the design of arranging of Lenovo ThinkPad T430i keyboard of notebook computer button, but also can as long as meet people's use habit, be convenient to memory with reference to other keyboards, is conducive to raise the efficiency get final product.
As the implementation of equivalence, the sensor data can directly be transferred to main frame, and above-mentioned firmware function realizes in host software, such advantage is to reduce hardware complexity, the software design can be more flexible, powerful, and shortcoming is that communication load is heavier, main frame relied on big.
In the present embodiment, carry out the hand position with the original place rotation angle tolerance of hand as displacement and calculate, the muscle group that relates to is few, and the amount of exercise of hand is lower, is beneficial to long-time a large amount of input.In actual the use, the rotating up and down corresponding to hand moving up and down on keyboard of wrist; The axial outward turning of left hand, the corresponding left hand of inward turning moving to left, moving to right on keyboard; The axial outward turning of the right hand, the corresponding right hand of inward turning moving to right, moving to left on keyboard.Good intuitive is arranged, be easy to accept.
Embodiment 2:
On the basis of embodiment 1, comprehensive utilization accelerometer and gyroscope and magnetic field sensor then can be followed the tracks of more complicated motion, realize that more calculate rational and effective hand position, thereby reach better effect.Wherein magnetic field sensor has adopted the HMC5883L low-intensity magnetic field sensor chip of Honeywell company, can detect intensity and the direction in magnetic field of the earth, cooperate gyroscope can more completely detect the attitude angle of hand, the practicality of accelerometer in addition also can be followed the tracks of calculating to translational movement.
Embodiment 3:
As a kind of improvement of embodiment 1 or 2, in described hand held keyboard, vibrational feedback parts (Vib.) can be installed, the critical point in adjacent hand position makes the Vib. action, with the realization tactile feedback, thereby makes the touch system input become possibility.Same principle also can be introduced audio frequency and play, and sound characteristic also is conducive to touch-typing operation corresponding to hand position state.Described Vib. can be rotor motor, linear motor or piezoelectric ceramics.
Embodiment 4:
As a kind of improvement of embodiment 3, introduce a vibrator array, be installed on a side of handle surfaces contact palm, the corresponding hand position of each Vib., its position relation of arranging also concerns corresponding to position, hand position.When hand is in certain hand position, corresponding Vib. vibration, thereby according to the direct perception hand position of sense of touch, highly beneficial to raising the efficiency with touch system.
Among Fig. 5, the Vib. that the left hand handle surfaces is installed represents that with circle wherein L0 represents the Vib. of ready position, and is by that analogy, corresponding among the sign of other each Vib. and Fig. 3.
Described Vib. can be rotor motor, linear motor or piezoelectric ceramics, is best with piezoelectric ceramics, because volume is little, the response fast.In order to reduce electrical source consumption, the hand position does not have the Vib. action when uncertain, the of short duration vibration when initialization ready position parameter of the corresponding Vib. of ready position, and all corresponding Vib.s in hand position are the short time vibration when arriving its hand position.。
Embodiment 5:
As a kind of improvement of above embodiment, can set certain key combination, the data of routing motion detecting unit realize the simulation of mouse action.In the present embodiment, when left hand master button 2,3 is pressed simultaneously, enter mouse mode.Under this pattern, when right hand master button 2 was pressed, the motion of hand or rotation were converted into cursor and move, the corresponding forefinger of right hand master button 3() as left mouse button, the corresponding middle finger of right hand master button 4() as right mouse button, thus can realize basic mouse action.
Embodiment 6:
As a kind of improvement of embodiment 1 or 2 or 3, hold for convenience, can be on handle the mount band, in order to handle is worn on hand, can not drop even if unclamp yet.
Default hand position in above-described embodiment, keyboard keystroke combination are the examples of directiveness, can do further to adjust, optimize according to applied environment in actual the realization.This adjustment, optimization obviously belong to and are equal to replacement, therefore certainly within claims protection domain of the application.
Claims (6)
1. hand held keyboard, it is characterized in that, comprise a pair of handle that is fit to be held in the left and right palm, be distributed with five or above button on each handle, wherein five main buttons are directly corresponding to five fingers, described handle inside is equipped with motion detection unit for detection of the motion of hand, also have microprocessor and communication unit and power supply unit, described button and motion detection unit are connected to described microprocessor, and described microprocessor also connects described communication unit in order to button and movable information are transferred to computing machine.
2. hand held keyboard according to claim 1 is characterized in that, described motion detection unit is made of a multiaxis gyroscope or a multiaxis accelerometer or a magnetic field sensor, also can be to be constituted by more than one the sensors.
3. hand held keyboard according to claim 1 and 2 is characterized in that, is provided with Vib. and is connected to described microprocessor in described handle, and described Vib. produces vibration according to the position drift condition of hand, is used for realizing tactile feedback.
4. hand held keyboard according to claim 1 and 2, it is characterized in that, introduce a vibrator array, described vibrator array is installed on a side of handle surfaces contact palm, the corresponding hand position of each Vib., its position relation of arranging also concerns corresponding to position, hand position.
5. hand held keyboard according to claim 1 and 2 is characterized in that, is equipped with fixed band at described handle, in order to handle is worn on hand.
6. hand held keyboard according to claim 4, it is characterized in that, described motion detection unit is a three-axis gyroscope and a three axis accelerometer combination, described power supply unit adopts ultracapacitor, described communication unit is a wireless data transfer module, and described Vib. is piezoelectric ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068279 CN203224838U (en) | 2013-02-06 | 2013-02-06 | Hand-held keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068279 CN203224838U (en) | 2013-02-06 | 2013-02-06 | Hand-held keyboard |
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| CN203224838U true CN203224838U (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320068279 Expired - Fee Related CN203224838U (en) | 2013-02-06 | 2013-02-06 | Hand-held keyboard |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103150028A (en) * | 2013-02-06 | 2013-06-12 | 鲍炜 | Hand-held keyboard and input method thereof |
| CN110045838A (en) * | 2018-10-24 | 2019-07-23 | 戴天 | A kind of ergonomics input equipment |
| US10901507B2 (en) | 2015-08-28 | 2021-01-26 | Huawei Technologies Co., Ltd. | Bioelectricity-based control method and apparatus, and bioelectricity-based controller |
-
2013
- 2013-02-06 CN CN 201320068279 patent/CN203224838U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103150028A (en) * | 2013-02-06 | 2013-06-12 | 鲍炜 | Hand-held keyboard and input method thereof |
| CN103150028B (en) * | 2013-02-06 | 2016-04-27 | 鲍炜 | hand-held keyboard and input method thereof |
| US10901507B2 (en) | 2015-08-28 | 2021-01-26 | Huawei Technologies Co., Ltd. | Bioelectricity-based control method and apparatus, and bioelectricity-based controller |
| CN110045838A (en) * | 2018-10-24 | 2019-07-23 | 戴天 | A kind of ergonomics input equipment |
| CN110045838B (en) * | 2018-10-24 | 2022-02-18 | 戴天 | Ergonomic input device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20170206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |