CN1564117A - 4-D extended digital keyboard - Google Patents
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- CN1564117A CN1564117A CN 200410155062 CN200410155062A CN1564117A CN 1564117 A CN1564117 A CN 1564117A CN 200410155062 CN200410155062 CN 200410155062 CN 200410155062 A CN200410155062 A CN 200410155062A CN 1564117 A CN1564117 A CN 1564117A
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Abstract
Disclosed keyset applicable to electronic hand held devices mainly is composed of grope of digital keyset and group of extended functional key. Group of digital keyset includes two, three or four extended functional keys. A typical scheme includes upper, lower, left and right direction functional keys. On digital keyset, digits are arranged at center of key button, and letters and symbols are arranged at four sides. The said direction functional keys are assorted with digital keyset to choose relevant symbol. Digit can be input without need of pressing any extended functional key. The said extended functional keys are properly arranged so that the keyset is still suitable to operate by single hand.
Description
Technical field
The present invention relates to a kind of information input keyboard of handheld device, refer in particular to the information input keyboard of electronic handheld devices such as mobile phone, personal digital assistant.
Background technology
The man-machine information input technology of electronic equipment mainly contains technology such as keyboard, handwriting recognition, speech recognition.Speech recognition technology is still not really ripe at present, and handwriting recognition technology occupies certain share, but the keyboard input is still the main flow input mode.
For handheld device, its principal feature is exactly small and exquisite, and its input keyboard generally can not adopt the keyboard of common computer, but adopts numeric keypad.In the handheld device, be typical case's representative with the mobile phone, following is that example is discussed with the mobile phone.
Mobile phone, it has inherited 12 buttons of common base, and (0,1,2,3,4,5,6,7,8,9, * is #) as its input keyboard main body.Wherein, these 8 keys of numerical key 2-9 have distributed 26 English alphabets.When wanting input information, just with these several keys continually by coming by going realization.Initial period uses mobile phone just to be used for making a phone call, and needing the information of input mainly is some telephone numbers also, has only address list and so on to need input characters, does not therefore feel that still too many inconvenient part is arranged.
And be accompanied by the mobile phone short message technology, the appearance of surfing Internet with cell phone technology, and mobile phone merged a lot of functions of personal digital assistant, needs the information of input just to increase gradually.The input of telephone number is become attached gradually, and that the input of Word message increases to gradually is leading.By several numerical keys, English input has been made us being pestered beyond endurance, and input in Chinese is loaded down with trivial details especially be can't bear, and the input of other languages does not have shortcut yet.
So, a lot of individuals and company are arranged, put into one after another in the research of digital inputting method and go, in the hope of working out a kind of input method easily.And the result can not be satisfactory.Just take the digital inputting method of Chinese aspect, based on phonetic, based on font, based on stroke, based on the four-corner system, or the like, have a lot.Present most widely used Chinese character coding input method is the input method of a kind of T9 of crying, and it does not still reach the efficient of a kind of Chinese character coding input method of poor efficiency on the common computer; And because the restriction of T9 input method itself, it can not support the phrase input in essence, and one of phrase input important input medium that to be Chinese inherent characteristics determine.
At present, to handheld devices such as mobile phones,, still there is not a kind of gratifying proper method by the numeric keypad input information.The root of problem is to be that each button has carried the character information more than 4, " one time keystroke be can not determine an effective character ", and this is the very corn of a subject place.
Summary of the invention
Pass through numeric keypad input information problem of difficult in order to solve handheld devices such as mobile phone, the invention provides a kind of 4-D extended digital keyboard, it and not obvious increase have the area of numeric keypad now, do not change the total arrangement of existing numeric keypad yet, press digital keys each time and just can import a definite character and allow, thereby fundamentally solve the keyboard input difficult problem of handheld device, the information input of numeric keypad is equal to or near the input of the keyboard on the common computer, especially can allows the ripe Chinese character coding input method on the common computer all can on handheld device, realize easily.
The technical solution adopted for the present invention to solve the technical problems is: on the basis of ordinary numbers keyboard, increase by one group of extended functional key, and the character position on the layout digital keys again in case of necessity.Character is that a line is arranged from left to right on the digital keys of ordinary numbers keyboard at present, and 3 letters are arranged on 2,3,4,5,6,8 buttons, and 4 letters are arranged on 7,9 buttons.Increase by four extended functional key: extended functional key 1, extended functional key 2, extended functional key 3, extended functional key 4, first letter is played on extended functional key 1 a related left side, second letter is played on extended functional key 2 related left sides, the 3rd letter played on extended functional key 3 related left sides, and the 4th letter played on extended functional key 4 related left sides.Directly press digital keys, input digit; According to extended functional key 1, press a left side first letter on the digital keys input digit button again; According to extended functional key 2, press a left side second letter on the digital keys input digit button again; According to extended functional key 3, press a left side the 3rd letter on the digital keys input digit button again; According to extended functional key 4, press a left side the 4th letter on the digital keys input digit button again.So just accomplish to press each time digital keys a definite significant character input is just arranged.
If the letter on the numerical key 7 is taken out one, letter on the numerical key 9 is taken out one, two letters are put on numerical key 1 or the numerical key 0, and then the letter that carries on the digital keys is exactly at most 3, only needs 3 expansion extended functional key or 2 extended functional key just passable.Increase by 3 extended functional key, an extended functional key logic correspondence is associated with a letter, the same 4 extended functional key situations above of use-pattern.
When only disposing 2 extended functional key, the dual mode definition is arranged.A kind of definition is directly to press digital keys, input digit; According to extended functional key 1, press a letter on the digital keys input digit button again; According to extended functional key 2, press another letter on the digital keys input digit button again; According to two extended functional key, press the 3rd letter on the digital keys input digit button more simultaneously.Another kind of definition is need switch between " literal input state " and " digital input state " as the application mode of present ordinary numbers keyboard; When switching to " digital input state ", directly press digital keys, input digit; When switching to " literal input state ", directly press alphanumeric of digital keys input, import another letter by digital keys again according to extended functional key 1 earlier, import the 3rd letter by digital keys again according to extended functional key 2 earlier.
For making operation more directly perceived, the character position on the digital keys of now general numeric keypad is done some adjustment.Be that numeral keeps left at present, English alphabet is kept right, and line is arranged, change into the branch upper and lower, left and right, in 5 positions distribute.For example, numerical key 9, the print character of its top is at present, from left to right, is arranged in order, order is 9WXYZ; Can change into, some position, a left side is W, and more following position is X, and right some position is Y, and last position is Z, and (or crying the mid point position) is 9 in the middle of occuping.The extended functional key group that increases is defined as: go up function key, following function key, Left soft key, the character of four somes position, upper and lower, left and right on the Right soft key, related in logic respectively and button.So, pressing certain direction function key, again by certain digital keys, is exactly directly to import its digital keys character of a corresponding direction (or crying some position) all around; Not according to the direction function key, directly press digital keys, be exactly directly to import the character that it is positioned at middle (or crying the mid point position).
By upper and lower, left and right, in one of the scheme of 5 position layout characters be that in the middle of numeral occupy (or crying the mid point position), letter and symbol are positioned at 4 positions, upper and lower, left and right on button four limits.Like this, pressing certain direction function key, again by certain digital keys, is exactly directly to import its digital keys letter or the symbol of a corresponding direction (or crying some position) all around; Not according to the direction function key, directly press digital keys, be exactly directly to import (or crying the mid point position) numeral placed in the middle on its digital keys.
This scheme has solved the problem of ordinary numbers keyboard " a time keystroke character information is uncertain " substantially, but the technical scheme that is applied to handheld device need meet the technical characterstic of handheld device.Two key issue problems are arranged, the one,, handheld device, especially mobile phone, the custom requirement can one-handed performance, and technical scheme can not be sacrificed use habit; The 2nd,, handheld device core characteristics are exactly small and exquisite being easy to carry, and increasing function can not be cost to sacrifice volume.Can rationally arrange four positions of extended functional key on mobile phone, both meet the custom of one-handed performance, the volume of not obvious again increase handheld device.
For the handheld device of straight plate profile, the extended functional key group can be arranged in handheld device left side lateral surface by the position, middle and lower part; The one-handed performance time, can still use thumb operand word button by middle finger and nameless operation extended functional key.For the handheld device of renovating (or crying folding) class profile, can adopt and the straight same design of plate profile handheld device; For configuration during four extended functional key, more more conveniently also two extended functional key can be arranged in the lateral surface of handheld device top, and other two extended functional key still be arranged in the left side lateral surface of handheld device; The one-handed performance time, can operate two extended functional key of top lateral surface with forefinger, with two extended functional key of middle finger, still press with thumb operand keyboard with nameless operation left side lateral surface; During for two extended functional key of configuration, also two extended functional key can be arranged in the lateral surface of handheld device top.
If, considering the singlehanded problem of using of left hand, can also arrange and the same extended functional key of left side lateral surface in the right flank outside, select the extended functional key on the left side or the right to open by soft switch or hard switching.
Another position arrangement mode is with the extended functional key group, is built in around the handheld device inner keyboard.When disposing four extended functional key, character is by 5 position layouts, and extended functional key divides upper and lower, left and right by the definition of upper and lower, left and right function key with 4 direction function keys, place mobile phone inside, numeric keypad around, be connected with numerical key by certain mechanism.When wanting input digit, directly press digital keys downwards; When wanting input alphabet, the some directions in the left and right sides promote digital keys gently to touch the direction extended functional key up and down earlier, press digital keys downwards.This needs the connection mechanism of solution party between function key and digital keys, can stay the space of 1 millimeter around each digital keys and between the keyboard case, and the suitable move place of upper and lower, left and right is arranged in order to digital keys; In handheld device shell bottom,, put the grid of a rigid material with the key body top of keyboard; Grid is enclosed within on the digital keys and is connecting upper and lower, left and right four direction function key.So, when digital keys is pressed the time, can not touch the four direction extended functional key downwards; When digital keys when a certain direction promotes, will touch the direction extended functional key of respective direction.When three extended functional key of configuration, letter on the numerical key 7,9 will take out one and be put on numerical key 0 or the numerical key 1, character is by 5 position layouts, numeral point placed in the middle position, letter occupies up and down three in four some positions, vacate the some position in an orientation, having three orientation of letter to arrange three direction extended functional key accordingly; Other are with the situation of four extended functional key of top configuration.When configuration during two each and every one extended functional key, the letter on the numerical key 7,9 will take out one and be put on numerical key 0 or the numerical key 1, a line layout about character is pressed, about two orientation arrangement direction extended functional key; Input characters will switch to " literal input state ", is the middle letter of input by digital keys directly, promotes earlier digital keys to the left and right gently and presses the letter that digital keys is exactly input the right and left again.
Technical scheme of the present invention had both solved the key problem of ordinary numbers keyboard " a time keystroke character information is uncertain " on the handheld device, met the technical characterstic requirement of handheld device again.4-D extended digital keyboard of the present invention when disposing 4 extended functional key, is equivalent to that (0,1,2,3,4,5,6,7,8,9, * #) expands to 60 buttons 12 buttons on the ordinary numbers keyboard; When disposing 3 extended functional key, be equivalent to expand to 48 buttons; When disposing 2 extended functional key, also be equivalent to expand to 36 buttons.Information is imported, and core character is 26 letters and 10 numerals totally 36 characters, and the character of auxiliary meaning is some punctuates and symbol, punctuate commonly used and symbol only about 20 (.:; ~ " " () []+-* /=@#$%), whole adding up just about 56.4-D extended digital keyboard of the present invention will make information input reach " one time keystroke is determined a significant character " basically, near or reach the keyboard input efficiency of common computer.
This especially means a great for input in Chinese.When computing machine has just appeared at China originally, can not import Chinese.Over more than 20 year, through the effort of how many experts with the scholar, invention, create such as five, Zheng's sign indicating number, natural code, intelligent mad assembly, two inputs etc. are widely popular and be familiar with the Chinese character input method grasped, completely all be done for unexpectedly and arrived on the handheld device such as mobile phone.And four-dimensional extended keyboard will make these ripe input method of Chinese character can be applied on the handheld device equally.
The present invention, not only solved the key problem of ordinary numbers keyboard " a time keystroke character information is uncertain ", and when disposing 4 extended functional key, substantially no longer need be at " digital input state ", " literal input state " switches between " punctuation mark input state "; Have only under few situation, need switch to " punctuation mark input state ", to insert the symbol of some few usefulness.And the information input on the present ordinary numbers keyboard, need be at " digital input state ", " literal input state " carries out frequent switching between " punctuation mark input state ".
The invention has the beneficial effects as follows, area at the present numeric keypad of not obvious increase, manipulate under the situation of custom without prejudice to handheld device again, fundamentally solve the loaded down with trivial details difficult problem of keyboard for hand held set input, allow and press digital keys each time and just can import a definite character, thoroughly solve the problem of numeric keypad input in Chinese difficulty, ripe Chinese character coding input method on the common computer all can be realized on handheld device easily, allow the user can use the input method of being familiar with on the common computer to come the operator holding equipment.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a kind of 4-D extended digital keyboard embodiment that is applied to the suitable right hand one-handed performance of straight plate class mobile phone.
Fig. 2 is a kind of 4-D extended digital keyboard embodiment that is applied to the suitable right hand one-handed performance of folding class mobile phone.
Fig. 3 is the built-in a kind of 4-D extended digital keyboard embodiment of extended functional key.
Fig. 4 is a kind of 4-D extended digital keyboard embodiment that is applied to the suitable right hand of straight plate class mobile phone and left hand one-handed performance.
Fig. 5 is applied to a kind of 4-D extended digital keyboard embodiment that one line distributes about straight plate class mobile phone character.
Fig. 6 is a kind of 4-D extended digital keyboard embodiment that is applied to 3 extended functional key of straight plate class mobile phone.
Fig. 7 is a kind of 4-D extended digital keyboard embodiment that is applied to 2 extended functional key of straight plate class mobile phone.
Fig. 8 is a kind of 4-D extended digital keyboard embodiment that is applied to folding 2 extended functional key of class mobile phone.
Among the figure, 1. Right soft key, 2. Left soft key is 3. gone up function key, 4. descends function key, 5. digital keys, 6. grid, 7. selector switch, 11. extended functional key, 1,12. extended functional key, 2,13. extended functional key, 3,14. extended functional key 4.
Embodiment
Example shown in Figure 1, it is a kind of 4-D extended digital keyboard that is applied to straight plate class mobile phone, the extended functional key group is by last function key (3), down function key (4), Left soft key (2), Right soft key (1) are formed, digital keys (5) go up character press upper and lower, left and right, in 5 position layouts.Directly press digital keys (5), input is positioned at the numeral of mid point position; According to last function key (3), be positioned at the some character of position by digital keys (5) input again; According to following function key (4), be positioned at the character of following some position again by digital keys (5) input; According to Left soft key (2), be positioned at the character of some position, a left side again by digital keys (5) input; According to Right soft key (1), be positioned at the character of right some position again by digital keys (5) input.The suitable right hand is singlehanded to be used, and can grasp Right soft key (1) and Left soft key (2) by middle finger, goes up function key (3) and following function key (4) by third finger operation, still uses thumb operand word button (5).
Example shown in Figure 2, it is a kind of 4-D extended digital keyboard that is applied to folding class (or be called renovate class) mobile phone, the extended functional key group is by last function key (3), down function key (4), Left soft key (2), Right soft key (1) are formed, digital keys (5) go up character press upper and lower, left and right, in 5 position layouts.Directly press digital keys (5), input is positioned at the numeral of mid point position; According to last function key (3), be positioned at the some character of position by digital keys (5) input again; According to following function key (4), be positioned at the character of following some position again by digital keys (5) input; According to Left soft key (2), be positioned at the character of some position, a left side again by digital keys (5) input; According to Right soft key (1), be positioned at the character of right some position again by digital keys (5) input.The suitable singlehanded right hand uses, and can grasp Right soft key (1) and Left soft key (2) by forefinger, goes up function key (3) and following function key (4) by the middle finger operation, still uses thumb operand word button (5).
Example shown in Figure 3, it is the built-in a kind of 4-D extended digital keyboard of extended functional key, the extended functional key group is by last function key (3), down function key (4), Left soft key (2), Right soft key (1) are formed, digital keys (5) go up character press upper and lower, left and right, in 5 position layouts.When wanting input digit, directly press digital keys (5) downwards; When wanting input alphabet, the some directions in the left and right sides promote digital keys (5) gently up and down earlier, and drive grid (6) and touch Right soft key (1), or Left soft key (2), or go up function key (3), or following function key (4), press digital keys (5) downwards.
Example shown in Figure 4, it is a kind of 4-D extended digital keyboard that is applied to straight plate class mobile phone, the extended functional key group is by last function key (3), down function key (4), Left soft key (2), Right soft key (1) are formed, digital keys (5) go up character press upper and lower, left and right, in 5 position layouts.Directly press digital keys (5), input is positioned at the numeral of mid point position; According to last function key (3), be positioned at the some character of position by digital keys (5) input again; According to following function key (4), be positioned at the character of following some position again by digital keys (5) input; According to Left soft key (2), be positioned at the character of some position, a left side again by digital keys (5) input; According to Right soft key (1), be positioned at the character of right some position again by digital keys (5) input.Dial to the left side by selector switch (7), then open the direction function key of left side lateral surface, to be suitable for the one-handed performance of the right hand; Selector switch (7) is dialled to the right, then opens the direction function key of right side lateral surface, to be suitable for the one-handed performance of left hand.
Example shown in Figure 5 is a kind of 4-D extended digital keyboard that is applied to straight plate class mobile phone.Extended functional key is made up of extended functional key 1 (11), extended functional key 2 (12), extended functional key 3 (13), extended functional key 4 (14); Digital keys (5) is gone up character by the office that arranges from left to right, and digital keys (5) is gone up maximum 4 of nonnumeric character.Directly press digital keys (5), input digit; According to extended functional key 1 (11), press digital keys (5) input digit button (5) again and go up a left side first letter; According to extended functional key 2 (12), press digital keys (5) input digit button (5) again and go up a left side second letter; According to extended functional key 3 (13), press digital keys (5) input digit button (5) again and go up a left side the 3rd letter; According to extended functional key 4 (14), press digital keys (5) input digit button (5) again and go up a left side the 4th letter.
Example shown in Figure 6 is a kind of 4-D extended digital keyboard that is applied to 3 extended functional key of straight plate class mobile phone.Extended functional key is made up of extended functional key 1 (11), extended functional key 2 (12), extended functional key 3 (13); Digital keys (5) is gone up character by the office that arranges from left to right, and digital keys (5) is gone up maximum 3 of nonnumeric character.Directly press digital keys (5), input digit; According to extended functional key 1 (11), press digital keys (5) input digit button (5) again and go up a left side first letter; According to extended functional key 2 (12), press digital keys (5) input digit button (5) again and go up a left side second letter; According to extended functional key 3 (13), press digital keys (5) input digit button (5) again and go up a left side the 3rd letter.
Example shown in Figure 7 is a kind of 4-D extended digital keyboard that is applied to 2 extended functional key of straight plate class mobile phone.Extended functional key is made up of extended functional key 1 (11), extended functional key 2 (12); Digital keys (5) is gone up character by the office that arranges from left to right, and digital keys (5) is gone up maximum 3 of nonnumeric character.A kind of definition is directly to press digital keys (5), input digit; According to extended functional key 1 (11), press a letter on digital keys (5) the input digit button (5) again; According to extended functional key 2 (12), press the second letter on digital keys (5) the input digit button (5) again; According to extended functional key 1 (11) and extended functional key 2 (12), press the 3rd letter on digital keys (5) the input digit button (5) more simultaneously.Another kind of definition is need switch between " literal input state " and " digital input state " as the application mode of present ordinary numbers keyboard; When switching to " digital input state ", directly press digital keys (5), input digit; When switching to " literal input state ", directly press letter of digital keys (5) input, earlier import another letter by digital keys (5) again, press the 3rd letter of digital keys (5) input again according to extended functional key 2 (12) earlier according to extended functional key 1 (11).
Example shown in Figure 8 is the another kind of design of example shown in Figure 7, is a kind of 4-D extended digital keyboard that is applied to folding 2 extended functional key of class mobile phone.Extended functional key is made up of Right soft key (1), Left soft key (2); Digital keys (5) is gone up character by the office that arranges from left to right, and digital keys (5) is gone up maximum 3 of nonnumeric character, and the W character on the numerical key 9 takes out and is placed on the numerical key 1, and the P on the numerical key 7 takes out and is placed on the numerical key 1.A kind of definition is directly to press digital keys (5), input digit; According to Right soft key (1), press digital keys (5) input digit button (5) again and go up a rightmost letter; According to Left soft key (2), press digital keys (5) input digit button (5) again and go up a leftmost letter; Simultaneously according to Right soft key (1) and Left soft key (2), press the letter of last three letters of digital keys (5) input digit button (5) between between two parties again.Another kind of definition is need switch between " literal input state " and " digital input state " as the application mode of present ordinary numbers keyboard; When switching to " digital input state ", directly press digital keys (5), input digit; When switching to " literal input state ", directly press the letter of three letters of digital keys (5) input between placed in the middle, press the rightmost letter of digital keys (5) input again according to Right soft key (1) earlier, press the leftmost letter of digital keys (5) input again according to Left soft key (2) earlier.
Though eight particular instances of the present invention have been described, those skilled in the art can make more specific design according to design of the present invention.
Claims (10)
1：
2：
3:1.[document source] electronic application
4:2.[the message in-coming date] 2004-3-23
5:3.[application number]
6:4.[claim item]
7:[right 1] a kind of 4-D extended digital keyboard, constitute by digital keys and extended functional key, be mainly used in the electrical type handheld device, it is characterized in that: this keyboard comprises one group of extended functional key, and on the digital keys character by upper and lower, left and right, in 5 positions distribute or a line (comprising straight line, camber line and curve) layout.
8:[right 2] 4-D extended digital keyboard according to claim 1, it is characterized in that: the extended functional key group is made up of last function key, following function key, Left soft key, Right soft key, and on the digital keys character by upper and lower, left and right, in 5 position layouts, be positioned at the some character of position on the last function key logic association digital keys, be positioned at the character of following some position on the following function key logic association digital keys, be positioned at the character of some position, a left side on the Left soft key logic association digital keys, be positioned at the character of right some position on the Right soft key logic association digital keys.
9:[right 3] 4-D extended digital keyboard according to claim 1, it is characterized in that: the extended functional key group is by extended functional key 1, extended functional key 2, extended functional key 3, totally four extended functional key of extended functional key 4 is formed, and nonnumeric character (comprises from left to right by a line layout on the digital keys, from top to bottom, from left to bottom right, from upper right to the lower-left, and camber line and curve mode), an end plays first nonnumeric character on the extended functional key 1 logic association digital keys, an end plays second nonnumeric character on the extended functional key 2 logic association digital keys, an end plays the 3rd nonnumeric character on the extended functional key 3 logic association digital keys, and an end plays the 4th nonnumeric character on the extended functional key 4 logic association digital keys.
10:[right 4] 4-D extended digital keyboard according to claim 1, it is characterized in that: the extended functional key group (or is Left soft key by extended functional key 1, or call function key), extended functional key 2 (or being middle function key), extended functional key 3 (or is Right soft key, or be down function key) totally three extended functional key form, and maximum 3 of nonnumeric character also (comprises from left to right by a line layout on the digital keys, from top to bottom, from left to bottom right, from upper right to the lower-left, and camber line and curve mode), an end plays first nonnumeric character on the extended functional key 1 logic association digital keys, an end plays second nonnumeric character on the extended functional key 2 logic association digital keys, and an end plays the 3rd nonnumeric character on the extended functional key 3 logic association digital keys.
11:[right 5] 4-D extended digital keyboard according to claim 1, it is characterized in that: the extended functional key group (or is Left soft key by extended functional key 1, or call function key), extended functional key 2 (or is Right soft key, or be down function key) totally two extended functional key form, and maximum 3 of nonnumeric character also (comprises from left to right by a line layout on the digital keys, from top to bottom, from left to bottom right, from upper right to the lower-left, and camber line and curve mode), two extended functional key are 2 in 3 nonnumeric characters on the logic association digital keys respectively.
12:[right 6] 4-D extended digital keyboard according to claim 2, it is characterized in that: the character layout on the digital keys is that numeral occupy the mid point position, and letter (or symbol) circular row is put position, some position, the right side in last, following some position, a left side.
13:[right 7] 4-D extended digital keyboard according to claim 1, it is characterized in that: the extended functional key group comprises four or three or two extended functional key, extended functional key is positioned at the left side lateral surface of handheld device, or the right lateral surface, or top lateral surface, or one group of the same configuration of left and right sides lateral surface and select a group to open by switch.
14:[right 8] 4-D extended digital keyboard according to claim 1, it is characterized in that: the extended functional key group comprises four extended functional key, wherein two extended functional key are positioned at the top lateral surface of handheld device, other two extended functional key are positioned at the left side lateral surface of handheld device, or the right lateral surface, or in the same configuration of left and right sides lateral surface and select a side to open by switch.
15:[right 9] 4-D extended digital keyboard according to claim 2, it is characterized in that: in the four direction function key, Left soft key and Right soft key are positioned at the top lateral surface of handheld device, last function key is positioned at left side lateral surface or the right lateral surface of handheld device with following function key, or goes up function key in the same configuration of left and right sides lateral surface and select a side to open with following function key by switch.
16:[right 10] 4-D extended digital keyboard according to claim 1, it is characterized in that: the extended functional key group comprises four or three or two extended functional key, extended functional key is built in four sides or three sides or two sides around the keyboard, and is connected with digital keys by the grid of rigid material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410155062 CN1564117A (en) | 2004-03-23 | 2004-03-23 | 4-D extended digital keyboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410155062 CN1564117A (en) | 2004-03-23 | 2004-03-23 | 4-D extended digital keyboard |
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| CN1564117A true CN1564117A (en) | 2005-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207683A (en) * | 2013-04-18 | 2013-07-17 | 成都慧能信息技术有限公司 | Tobacco grade keyboard input method |
| CN104571571A (en) * | 2015-01-12 | 2015-04-29 | 李永贵 | Handheld digital device keyboard |
-
2004
- 2004-03-23 CN CN 200410155062 patent/CN1564117A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207683A (en) * | 2013-04-18 | 2013-07-17 | 成都慧能信息技术有限公司 | Tobacco grade keyboard input method |
| CN103207683B (en) * | 2013-04-18 | 2015-09-30 | 成都慧能信息技术有限公司 | Tobacco grade keyboard input method |
| CN104571571A (en) * | 2015-01-12 | 2015-04-29 | 李永贵 | Handheld digital device keyboard |
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