CN100359443C - Character inputting device - Google Patents
Character inputting device Download PDFInfo
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- CN100359443C CN100359443C CNB2005100304883A CN200510030488A CN100359443C CN 100359443 C CN100359443 C CN 100359443C CN B2005100304883 A CNB2005100304883 A CN B2005100304883A CN 200510030488 A CN200510030488 A CN 200510030488A CN 100359443 C CN100359443 C CN 100359443C
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- character
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- input
- switch element
- push switch
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Abstract
The present invention discloses a character inputting device which comprises a transparent key switch unit, a central processing unit, a driving unit and a liquid crystal display unit, wherein the transparent key switch unit is connected with the central processing unit electrically, the driving unit is connected with the central processing unit electrically, the liquid crystal display unit is connected with the central processing unit electrically and the transparent key switch unit is arranged on the display surface of the liquid crystal display unit. By arranging the transparent key switch unit on the liquid crystal display unit, the structure of the character inputting device in the present invention can become compact and the character inputting device can be carried easily; the driving unit is provided with a standard keyboard interface for passing the upper machine, a standard serial interface and a universal serial bus interface, and therefore, the driving unit is applicable to most of computers and other controlling systems, and the compatibility of the present invention is ensured. The present invention also discloses a character inputting method.
Description
Technical field
The present invention relates to a kind of character entry apparatus, concretely, relate to a kind of with the transparent push switch as input media and liquid crystal display as display device character entry apparatus; The invention still further relates to a kind of characters input method, concretely, relate to a kind of at having the transparent push switch as input media and liquid crystal display characters input method as the character entry apparatus of display device.
Background technology
Character entry apparatus of the prior art is generally mechanical keyboard, keyboard top is provided with display screen, and the user passes through with reference to the diagram input character on the keyboard, simultaneously, the display screen of keyboard top shows the character that book is gone into, keyboard generally comprises an acknowledgement key, and after acknowledgement key is pressed, Shu Ru character will be transferred into coupled host computer before, yet the weak point of this input media is, if be portable, then number of keys is limited, can not comprise too many character; If input media is very big, then be not easy to carry, also be not easy to the occasion limited and use in some space.
The character entry apparatus that comprises mode switch is also arranged in the prior art, as Chinese patent, the keyboard input devices that the patent of invention of patent No. 200410080456.X is put down in writing comprises key input section, mode switch parts, keyboard backlight and keyboard backlight light emitting control parts.The background light of this invention dependence different colours illuminates the different transparent parts on the button, and relies on the mode switch parts to realize the input of character, though this kind character entry apparatus has solved the input problem of multiple character, also there is defective in this kind input media.At first, the space of button is limited, can not comprise a variety of character informations, therefore, even if comprise the mode switch parts, the character that is combined into also can not be a lot, secondly, the spread pattern of button is fixed on the keyboard, and the character of importing different mode as need then needs to switch repeatedly, in addition, input mode need be changed as the user, just button must be changed, therefore, the user can not need with the practical operation according to oneself or like the spread pattern of selecting keyboard, therefore uses very inconvenient.
In addition, the prior art keyboard input devices generally only comprises QWERTY keyboard interface and standard serial bus interface, and therefore, compatibility is not good.
Summary of the invention
One object of the present invention is to provide a kind of transparent push switch as input media, with the character entry apparatus of liquid crystal display as display device, and compact conformation, input is convenient, the character entry apparatus of compatible multiple and host computer connected mode.
For achieving the above object, a kind of character entry apparatus provided by the present invention, this character entry apparatus comprises:
The transparent push switch element is used to produce key position information, and this information is sent to CPU (central processing unit);
CPU (central processing unit) is used to receive the key position information of transparent push switch element, produces the configuration information of transparent push switch element, and this information is sent to the transparent push switch element; Also be used to produce the display message of liquid crystal display, and, produce the simulation character keys, produce form and arrangement mode information that the simulation character keys is set according to the key position information of transparent push switch element; And the character information of keying input information representative is sent to driver element;
Driver element comprises QWERTY keyboard interface, standard serial interface and USB (universal serial bus), is used for and the host computer interface, and is used to receive the character information that CPU (central processing unit) sends, and this information is sent to host computer; Also be used to obtain the permission input information of host computer and should allow input information to be sent to CPU (central processing unit);
Liquid crystal display is used to show the simulation character keys of transmission from CPU (central processing unit), shows form and arrangement mode information that the simulation character keys is set;
Described transparent push switch element is electrically connected with described CPU (central processing unit), described driver element is electrically connected with described CPU (central processing unit), described liquid crystal display is electrically connected with described CPU (central processing unit), and described transparent push switch element is positioned on the liquid crystal display display surface.
Another object of the present invention provides a kind of method of character input, for achieving the above object, the present invention also comprises a kind of method of character input, the process flow diagram of the method as shown in Figure 8, this method is applied in a kind of character entry apparatus, this device utilizes liquid crystal display as display device, the transparent push switch element is as input media, CPU (central processing unit) is as arithmetic processing apparatus, first memory is selected the storage and the pen recorder of information as the character arrangement mode, second memory is as the storage and the pen recorder of pattern configuration information, the 3rd storer is as the storage and the pen recorder of character input information, driver element as with the device of host computer interface, it is characterized in that: said method comprising the steps of:
A. allow the input determining step, be used to judge whether to receive permission input information, then go to step b in this way from host computer, as otherwise go to steps d;
B. the character arrangement mode is selected step, is used for extracting character arrangement mode information and checking the input whether transparent push switch element correspondence position has pair character arrangement mode to select from first memory; Then write down selection in this way, and selection result is stored in first memory the character arrangement mode;
C. select to determine to check step, be used for extracting the character arrangement mode and determine that information is presented on the liquid crystal display and check whether transparent push switch element correspondence position has the input to selecting to determine from first memory; Then be presented at character information on the liquid crystal display in this way and go to step f with the character arrangement mode of selecting, as otherwise go to step b;
D. pattern is provided with step, is used for extracting the pattern configuration information from second memory and is presented on the liquid crystal display and checks the input whether transparent push switch element correspondence position has pair pattern to be provided with; Then write down selection or input that pattern is provided with in this way, and will select or input results is stored in second memory;
E. be provided with and determine to check step, be used for definite information being set and be presented at liquid crystal display, and check whether transparent push switch element correspondence position has pair pattern that definite input is set from second memory extraction pattern; Then go to step a in this way, as otherwise go to steps d;
F. character input checking step is used to check the input whether character information is arranged at transparent push switch element correspondence position, if any then going to step g, if do not have the input of character end of input information then continue to carry out this step;
G. character record step is used to write down the pairing character in input information position that character input checking step is checked through and is stored in the 3rd storer;
H. the character end of input is checked step, is used to check whether transparent push switch element correspondence position has the input of character end of input information and determine that from the output of the 3rd memory fetch data information is shown in liquid crystal display, as otherwise go to step f;
I. data are sent the detection step, and whether have data output to determine the input of information, then export recorded data in this way, and return step a if being used to detect transparent push switch element correspondence position.
Effect of the present invention is, adopt attached transparent push switch element on the liquid crystal display, make the compact conformation of character entry apparatus of the present invention, be easy to carry, provide driver element to pass through QWERTY keyboard interface, standard serial interface and USB (universal serial bus) with host computer, so applicable to most computers or other control system, thereby guaranteed compatibility of the present invention.
Description of drawings
Fig. 1 is the system construction drawing of character entry apparatus of the present invention.
Fig. 2 is the system construction drawing of transparent push switch element in the character entry apparatus of the present invention.
Fig. 3 is the system construction drawing of the CPU (central processing unit) of character entry apparatus of the present invention.
Fig. 4 is the system construction drawing of the storage unit of character entry apparatus of the present invention.
Fig. 5 is the system construction drawing of central processing unit in the character entry apparatus of the present invention.
Fig. 6 is the drive unit system structural drawing of character entry apparatus of the present invention.
Fig. 7 is the system construction drawing of the liquid crystal display of character entry apparatus of the present invention.
Fig. 8 is the process flow diagram of characters input method of the present invention.
Embodiment
With reference to Fig. 1, character entry apparatus in first kind of embodiment of the present invention comprises transparent push switch element 1, CPU (central processing unit) 2, driver element 3 and liquid crystal display 4, transparent push switch element 1, driver element 3 and liquid crystal display 4 are electrically connected with CPU (central processing unit) 2.
With reference to Fig. 2, wherein, transparent push switch element 1 comprises transparent push switching motherboard 11 and button controller 12, button controller links to each other with the output terminal of transparent push switching motherboard 11, receive the switch triggering signal of transparent push switching motherboard and the positional information that corresponding calculated goes out button, after this positional information with this button is sent to CPU (central processing unit).
With reference to Fig. 3, CPU (central processing unit) 2 comprises central processing unit 21, I/O interface 22, voice module 23 and memory cell 24, wherein, central processing unit 21 is by I/O interface 22 and outside transparent push switch element 1, driver element 3, liquid crystal display 4, and inner voice module 23 is electrically connected; With reference to Fig. 4, memory cell 24 comprises preserves the first memory 241 that the character arrangement mode selects information and recording user to be provided with, preserve the second memory 242 that pattern configuration information and recording user are provided with, the 3rd storer 243 of the information of record character input.
With reference to Fig. 5, described central processing unit 21 comprises permission decision circuitry 211, and arrangement mode is selected circuit 212, mode setting circuit 213, and record of keys circuit 214 and button finish decision circuitry 215; Allowing decision circuitry 211 to select circuit 212, mode setting circuit 213, button to finish decision circuitry 215 with arrangement mode respectively is electrically connected, arrangement mode selects circuit 212 to be electrically connected with record of keys circuit 214, and record of keys circuit 214 finishes decision circuitry 215 with button and is electrically connected.
Wherein, allow decision circuitry 211, be used to receive permission input information, and judged result is sent to mode selecting arrangement 212 or mode setting circuit 213 from host computer.The permission input information of host computer is high level (also can be low level), receives then Starting mode selecting arrangement 212 of high level as allowing decision circuitry 211, as receives then start-up mode selecting arrangement of low level.
Arrangement mode is selected circuit 212 to extract the character arrangement mode from first memory 241 and is selected information, this character arrangement mode information, arrangement mode for character, for example, arrange numeral with annular arrangement (conventional phone number arrangement mode) or arrayed (present telephone number arrangement mode), provide Information Selection to show and be presented on the liquid crystal display, scan corresponding informance simultaneously and select the button of the transparent push switching motherboard 11 of display position to have or not input.Then write down the pairing selection of corresponding input if any input, and extract corresponding arrangement mode, be shown in liquid crystal display 4, and send enabling signal to coupled record of keys 214 from storer 241; As do not detect input, then keep character arrangement mode selection mode and continue detecting.
Record of keys circuit 214 links to each other with mode selecting arrangement 212, the enabling signal that receive mode selecting arrangement 212 sends also starts, after the startup, the input of the corresponding transparent push switching motherboard 11 of character on detection and the liquid crystal display 4, if any input, the pairing character information in position of record of keys circuit 214 journals inputs then, and be kept in the 3rd storage 243;
Button finishes decision circuitry 215 and is used to detect on the position that the button that shows on the liquid crystal display 4 finishes the pairing transparent push switching motherboard 11 of display message and has or not input, if any input, then the character information with journal is sent to driver element 3, restarts simultaneously to allow decision circuitry 211 to allow to judge.
With reference to Fig. 6, driver element 3 comprises QWERTY keyboard interface and driving circuit 31, and the standard serial communication interface reaches circuit 32 and USB (universal serial bus) and driving circuit 33 drivingly, and communicates by letter with host computer according to the corresponding communication agreement.The QWERTY keyboard interface, the commercialization of standard serial communication interface and USB (universal serial bus) and chip for driving thereof, technology is known in the confession that host-host protocol belongs in this area, does not therefore describe.
With reference to Fig. 7, liquid crystal display 4 comprises display panels 41 and liquid crystal display panel drive circuit 42, display panels 41 is electrically connected with liquid crystal display panel drive circuit 42, and liquid crystal display panel drive circuit 42 is electrically connected with central processing unit 21 and storer 24.
The process flow diagram of characters input method of the present invention as shown in Figure 8, this method is applied in a kind of character entry apparatus, this device utilizes liquid crystal display as display device, the transparent push switch element is as input media, CPU (central processing unit) is as arithmetic processing apparatus, first memory is selected the storage of information and the pen recorder of feedback information as the character arrangement mode, second memory is as the storage of pattern configuration information and the pen recorder of feedback information, the 3rd storer is as the pen recorder of character input information, driver element as with the device of host computer interface, said method comprising the steps of:
A. allow the input determining step, be used to judge whether to receive permission input information, then go to step b in this way from host computer, as otherwise go to steps d;
B. the character arrangement mode is selected step, is used for extracting character arrangement mode information and checking the input whether transparent push switch element correspondence position has pair character arrangement mode to select from first memory; Then write down selection in this way, and selection result is stored in first memory the character arrangement mode;
C. select to determine to check step, be used for extracting the character arrangement mode and determine that information is presented on the liquid crystal display and check whether transparent push switch element correspondence position has the input to selecting to determine from first memory; Then be presented at character information on the liquid crystal display in this way and go to step f with the character arrangement mode of selecting, as otherwise go to step b;
D. pattern is provided with step, is used for extracting the pattern configuration information from second memory and is presented on the liquid crystal display and checks the input whether transparent push switch element correspondence position has pair pattern to be provided with; Then write down selection or input that pattern is provided with in this way, and will select or input results is stored in second memory;
E. be provided with and determine to check step, be used for definite information being set and be presented at liquid crystal display, and check whether transparent push switch element correspondence position has pair pattern that definite input is set from second memory extraction pattern; Then go to step a in this way, as otherwise go to steps d;
F. character input checking step is used to check the input whether character information is arranged at transparent push switch element correspondence position, if any then going to step g, if do not have the input of character end of input information then continue to carry out this step;
G. character record step is used to write down the pairing character in input information position that character input checking step is checked through and is stored in the 3rd storer;
H. the character end of input is checked step, is used to check whether transparent push switch element correspondence position has the input of character end of input information and determine that from the output of the 3rd memory fetch data information is shown in liquid crystal display, as otherwise go to step f;
I. data are sent the detection step, and whether have data output to determine the input of information, then export recorded data in this way, and return step a if being used to detect transparent push switch element correspondence position.
Claims (7)
1. character entry apparatus, it is characterized in that this character entry apparatus comprises: the transparent push switch element is used to produce key position information, and this information is sent to CPU (central processing unit); CPU (central processing unit) is used to receive the key position information of transparent push switch element, produces the configuration information of transparent push switch element, and this information is sent to the transparent push switch element; Also be used to produce the display message of liquid crystal display, and, produce the simulation character keys, produce form and arrangement mode information that the simulation character keys is set according to the key position information of transparent push switch element; And the character information of keying input information representative is sent to driver element;
Driver element has comprised that QWERTY keyboard interface, standard serial interface and USB (universal serial bus) are used for and the host computer interface, and is used to receive the character information that CPU (central processing unit) sends, and this information is sent to host computer; Also be used to obtain the permission input information of host computer and should allow input information to be sent to CPU (central processing unit).
Liquid crystal display is used to show the simulation character keys of transmission from CPU (central processing unit), shows form and arrangement mode information that the simulation character keys is set;
Described transparent push switch element is electrically connected with described CPU (central processing unit), described driver element is electrically connected with described CPU (central processing unit), described liquid crystal display is electrically connected with described CPU (central processing unit), and described transparent push switch element is positioned on the liquid crystal display display surface.
2. according to the character entry apparatus described in the claim 1, it is characterized in that, CPU (central processing unit) comprises central processing unit, the I/O interface, voice module and memory cell, wherein, central processing unit is by I/O interface and outside transparent push switch element, driver element, liquid crystal display, and inner voice module is electrically connected;
3. according to the character entry apparatus described in the claim 2, it is characterized in that, memory cell comprises that preserving the character arrangement mode selects information and recording user the character arrangement mode to be selected the first memory of the setting of information, preserve pattern configuration information and recording user second memory, the 3rd storer of the information of record character input to the setting of pattern configuration information.
4. according to the character entry apparatus described in the claim 2, it is characterized in that described central processing unit comprises the permission decision circuitry, arrangement mode is selected circuit, mode setting circuit, and record of keys circuit and button finish decision circuitry; Allow decision circuitry to select circuit, mode setting circuit, button to finish decision circuitry with arrangement mode respectively and be electrically connected, arrangement mode selects circuit to be electrically connected with the record of keys circuit, and the record of keys circuit finishes decision circuitry with button and is electrically connected.
5. according to the character entry apparatus described in the claim 1, it is characterized in that, the transparent push switch element comprises transparent push switching motherboard and button controller, button controller links to each other with the output terminal of transparent push switching motherboard, receive the switch triggering signal of transparent push switching motherboard and the positional information that corresponding calculated goes out button, after this positional information with this button is sent to CPU (central processing unit).
6. according to the character entry apparatus described in the claim 1, it is characterized in that driver element comprises the QWERTY keyboard interface, standard serial communication interface and USB (universal serial bus) and corresponding driving circuit, and communicate by letter with host computer according to the corresponding communication agreement.
7. the method for character input, this method is applied in a kind of character entry apparatus, this device utilizes liquid crystal display as display device, the transparent push switch element is as input media, CPU (central processing unit) is as arithmetic processing apparatus, first memory is selected the storage and the pen recorder of information as the character arrangement mode, second memory is as the storage and the pen recorder of pattern configuration information, the 3rd storer is as the storage and the pen recorder of character input information, driver element as with the device of host computer interface, it is characterized in that, said method comprising the steps of:
A). allow the input determining step, be used to judge whether to receive permission input information, then go to step (b) in this way from host computer, as otherwise go to step (d);
B). the character arrangement mode is selected step, is used for extracting character arrangement mode information and checking the input whether transparent push switch element correspondence position has pair character arrangement mode to select from first memory; Then write down selection in this way, and selection result is stored in first memory the character arrangement mode;
C). select to determine to check step, be used for extracting the character arrangement mode and determine that information is presented on the liquid crystal display and check whether transparent push switch element correspondence position has the input to selecting to determine from first memory; Then be presented at character information on the liquid crystal display in this way and go to step with the character arrangement mode of selecting
(f), as otherwise go to step (b);
D). pattern is provided with step, is used for extracting the pattern configuration information from second memory and is presented on the liquid crystal display and checks the input whether transparent push switch element correspondence position has pair pattern to be provided with; Then write down selection or input that pattern is provided with in this way, and will select or input results is stored in second memory;
E). be provided with and determine to check step, be used for definite information being set and be presented at liquid crystal display, and check whether transparent push switch element correspondence position has pair pattern that definite input is set from second memory extraction pattern; Then go to step (a) in this way, as otherwise go to step (d);
F). character input checking step is used to check the input whether character information is arranged at transparent push switch element correspondence position, if any then going to step (g), if do not have the input of character end of input information then continue to carry out this step;
G). the character record step is used to write down the pairing character in input information position that character input checking step is checked through and is stored in the 3rd storer;
H). the character end of input is checked step, is used to check whether transparent push switch element correspondence position has the input of character end of input information and determine that from the output of the 3rd memory fetch data information is shown in liquid crystal display, as otherwise go to step (f);
I). data are sent the detection step, and whether have data output determine the input of information, then export recorded data in this way, and return step (a) if being used to detect transparent push switch element correspondence position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100304883A CN100359443C (en) | 2005-10-13 | 2005-10-13 | Character inputting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100304883A CN100359443C (en) | 2005-10-13 | 2005-10-13 | Character inputting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1746827A CN1746827A (en) | 2006-03-15 |
| CN100359443C true CN100359443C (en) | 2008-01-02 |
Family
ID=36166378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100304883A Expired - Fee Related CN100359443C (en) | 2005-10-13 | 2005-10-13 | Character inputting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100359443C (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195777Y (en) * | 1994-05-12 | 1995-04-26 | 李哲 | Disorder keyboard |
| JPH0973353A (en) * | 1995-09-04 | 1997-03-18 | Matsushita Electric Ind Co Ltd | Software keyboard |
| JP2001296958A (en) * | 2000-04-13 | 2001-10-26 | Nec Corp | Key input device |
| CN1161686C (en) * | 1997-08-06 | 2004-08-11 | 日本电气株式会社 | Portable terminal apparatus having handwritten data input means |
-
2005
- 2005-10-13 CN CNB2005100304883A patent/CN100359443C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195777Y (en) * | 1994-05-12 | 1995-04-26 | 李哲 | Disorder keyboard |
| JPH0973353A (en) * | 1995-09-04 | 1997-03-18 | Matsushita Electric Ind Co Ltd | Software keyboard |
| CN1161686C (en) * | 1997-08-06 | 2004-08-11 | 日本电气株式会社 | Portable terminal apparatus having handwritten data input means |
| JP2001296958A (en) * | 2000-04-13 | 2001-10-26 | Nec Corp | Key input device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1746827A (en) | 2006-03-15 |
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