CN1036297C

CN1036297C - keyboard computer equipment

Info

Publication number: CN1036297C
Application number: CN93118715A
Authority: CN
Inventors: 张琳翔
Original assignee: Individual
Current assignee: Ge Xuejuan; Zhang Linxiang; Zhang Zheng
Priority date: 1993-06-16
Filing date: 1993-10-16
Publication date: 1997-10-29
Anticipated expiration: 2013-10-16
Also published as: CN1088694A

Abstract

The internal structure of the invention is composed of the host board of PC series machine or compatible machine, hard disk drive, floppy disk drive, keyboard circuit and other external equipment interfaces; the key surface of the invention is composed of an international standard English 101 keyboard and a large graphic and text integral input keyboard, the integral input of graphic symbols and characters is transmitted with a host computer under the control of a singlechip in the keyboard circuit through a standard keyboard interface of an English 101 keyboard series machine or a compatible machine.

Description

Keyboard computer unit

The present invention relates to the keyboard computer unit that a kind of graph text information is handled.

Present computer equipment all combines with English 101 keyboards of standard and Desktop Computer separate type, or the keyboard computer unit of the portable and notebook type of releasing in recent years.Aspect input in Chinese, basically be on English 101 keyboards or 83 keys, to solve with conversion regime by the software coding table through encode Chinese characters for computer, the domestic keyboard computer unit that Chinese or the whole input of design symbol also occurred, as Chinese patent CN85202415, " the word input keyboard is put in order in the page turning of displacement-type Chinese character ", this whole Chinese character input keyboard equipment is only applicable to Macintosh and is to use on the single card microcomputer of CPU with 6502, and the compatibility that can't solve the host keyboard interface with PC family machine or compatible is used problem.

The object of the present invention is to provide a kind of main frame QWERTY keyboard interface compatible mutually, can import the whole word of Chinese, western language, figure, can carry out the keyboard computer unit that encode Chinese characters for computer is handled again with PC family machine or compatible.

Structure of the present invention is made up of motherboard, hard disk drive, floppy disk, dc-battery, LCD, 232 communication interfaces, external display interface device, printer interface, the external power interface of PC family machine; Its key face comprises English 101 keyboards of international standard, it is characterized in that: a: keyboard disk also comprises and the big keyboard of the whole input of the incorporate picture and text of English 101 keyboards; B: its structure also comprises a keyboard circuit that is positioned at English 101 keyboard disks bottom, and joins with the standard interface socket.When main frame is started working, after Keyboard computer powers up, single-chip microcomputer promptly begins to make an inspection tour English 101 keyboards of scanning and the big keyboard of the whole input of picture and text on the keyboard circuit, when having key to press, single-chip microcomputer is sent scan code back to CPU through data bus, and CPU judges scan code, the key that affirmation is pressed by the user, after watchdog routine is handled, send keypad code, export the QWERTY keyboard interface to, import main frame again to main frame.Simultaneously, keyboard interface sends the keyboard interrupt request, then carries out the keyboard interruption subroutine by singlechip CPU, and the American Standard Code for Information Interchange by the identification button of tabling look-up deposits keyboard buffer in and uses for system.

The present invention is described in more detail below in conjunction with drawings and Examples.

Fig. 1 is a structural drawing of the present invention;

Fig. 2 is a keyboard disk of the present invention;

Fig. 3 is a keyboard circuit schematic diagram of the present invention;

Fig. 4 is for adopting 11 * 14 low dot matrix simplified Chinese characters printed words among the present invention;

Fig. 5 arranges GB GB-2312-80 first-level Chinese characters 3755 and the part graphical symbol figure that puts in order for 256 constituency keys among the present invention;

Fig. 6 presses the pattern of Chinese Pin Yin pseudonym position arrangement for listed 3755 Chinese characters of 256 constituency keys among the present invention;

Fig. 7 arranges 3008 of the GB DB-2312-80 Chinese characters of level 2, part graphical symbol and Russian, the Japanese figure that puts in order for 256 constituency keys of the present invention;

Fig. 8 is for adopting first page of figure that puts in order of 8192 Chinese character telegram codes of 512 constituency key arrangements among the present invention;

Fig. 9 is for adopting second page of figure that puts in order of 8192 Chinese character telegram codes of 512 constituency key arrangements among the present invention;

Figure 10 is for adopting the 3rd page of figure that puts in order of 8192 Chinese character telegram codes of 512 constituency key arrangements among the present invention.

Referring to accompanying drawing 1, inner structure of the present invention is by the motherboard 1 of PC family machine or compatible, hard disk moves device 2, floppy disk 3, dc-battery 4, LCD 5,232 communication interfaces 6, external display interface device 7, printer interface 8, external power interface 9 and keyboard circuit 10 are formed, keyboard circuit is positioned at English 101 keyboard key faces bottom and links to each other with main frame by the keyboard standard interface, referring to accompanying drawing 2, keyboard disk of the present invention is made up of English 101 keyboards 11 and the big keyboard 12 of the whole input of picture and text, wherein the big keyboard 12 of the whole input of picture and text selects page key 12a by 8,16 position selecting button 12b and 256 or 512 constituency key 12c compositions, each constituency key holds 16 characters.

Referring to accompanying drawing 3, keyboard circuit 10 of the present invention comprises that a programmable single chip computer IC1 (its model is 8749 or 8049), three 4-16 line code translator IC4, IC5 and IC6 (its model is 74LS154), a 3-8 line code translator IC3 (its model is 74LS138) and trigger IC2, a host keyboard interface socket J7,58 core socket J1, J2, J3, J4, J5 are (when position selecting button is 512, adopt 10 8 core sockets, in parallel with original 58 core sockets).Wherein the output of code translator IC3 is arranged in 4 row * 6 column matrix circuit, i.e. the big keyboard 12 of the whole input of picture and text select page key and position selecting button, preceding 4 row, 2 row constitute 8 and select page key, back 4 row, 4 row constitute 16 position selecting buttons; The output of IC5 is arranged in 14 row * 8 column matrix circuit, i.e. English 101 keyboards of standard, and the output of code translator IC4, IC6 is arranged in 32 row * 8 row (or two 32 row * 8 row), i.e. 256 (or 512) constituency keys of the big keyboard of the whole input of picture and text.The principle of work of keyboard circuit is: after the Keyboard computer energising, programmable single chip computer IC1 in the keyboard circuit scans three groups of matrix circuits by P1 and four code translators of P2 mouth driving of its IO interface I/O, be that the P20-P22 mouth drives code translator IC3 scanning 4 row * 4 column matrix circuit, the P10-P14 mouth drives code translator IC4, IC6 scanning 32 row * 8 row (or two 32 row * 8 row) matrix circuit, the P10-P14 mouth drives code translator IC5 scanning 14 row * 8 column matrix circuit, when key is pressed, three groups of formed scan codes of matrix circuit are sent CPU in the single-chip microcomputer back to through the data bus DB1-DB8 of programmable single chip computer IC1, CPU is through judging what key of confirming that the user presses, promptly select page key, position selecting button still is constituency key or English 101 keys, change corresponding handling procedure afterwards over to, after watchdog routine is handled, the P26 mouth of single-chip microcomputer sends keypad code, J7 exports keyboard interface to through the host keyboard interface socket, import main frame then, main frame QWERTY keyboard interface is carried the keyboard interrupt request by keyboard interface socket J7 simultaneously, carry out the keyboard interruption subroutine by singlechip CPU, discern the American Standard Code for Information Interchange that connects down key by tabling look-up, deposit keyboard buffer in and use for system.Single-chip microcomputer is also by the data bus output data in addition, and control trigger IC2 (74LS174) controls three pilot lamp of English 101 keyboards.

When the constituency key among the present invention adopts 256, Keyboard computer has 381 keys, it selects page key to adopt two pages, arrange standard GB-2312-80 first-level Chinese characters 3755 and part graphical symbol for first page, put in order referring to accompanying drawing 5, arrange 3008 of the standard GB-2312-80 Chinese characters of level 2 for second page, part graphical symbol and Russian Japanese, put in order referring to accompanying drawing 7, search and remember the position of word for the ease of the operator, standard GB-3755 sequence arrangements of arranging with the Chinese phonetic alphabet of 2312-80 first-level Chinese characters, and indicate the initial consonant A of the Chinese phonetic alphabet with different colours, B, C ... X, Y, particularly everyday character that can the frequency of occurrences in the article surplus 300 is high is come out with color-coded, and standard GB-2312-80 Chinese characters of level 2 are by the arrangement that puts in order of stroke radicals by which characters are arranged in traditional Chinese dictionaries, and go out first words of radicals by which characters are arranged in traditional Chinese dictionaries with the different colours sign, arrange GB-7589-87 (7237 word) and GB-7590-87 (70398 word) for 4 pages in other 6 pages, last 2 pages arrange by oneself to the user; When the constituency key adopts 512, Keyboard computer has 637 keys, its key face is also used different colouring discriminations, so that it is easy to operate, this 637 Keyboard computers are mainly used in post and telecommunications telegram computerize output, it will change China's telegram transmission backward state of four natural number character codes of use continuously, and anyone can arbitrarily be sent out text without training.When using this keyboard computer unit, the operator is by on the English 101 key faces on the keyboard of 381 keys or 637 keys, and behind the key entry DOS, main frame DOS starts, the same English and character, the i.e. American Standard Code for Information Interchange imported freely of 101 key faces on the keyboard computer unit this moment with PC family machine or compatible.After the operator is by English 101 key faces input CCDOS (UCDOS), enter WORSSTAR again, behind key entry ALT and two keys of F1, just enter whole word input of Chinese character and figure input state.This moment, on 381 or 637 keyboards, select page key to be in the homepage state, as long as on the key of constituency, press the dish key, the position of on position selecting button, pressing the keyboard that will select again, desired character or symbol promptly show at display, if 16 Chinese characters on the key of constituency or symbol all need be moved on the screen of display, 16 keys on the position selecting button can be pressed successively and got final product,, only need press second and select page key to get final product if will select literal or character on second page for use.

Keyboard computer unit of the present invention also is furnished with a kind of 11 * 14 low dot matrix simplified Chinese characters character library, the first-level Chinese characters 3755 of the standard GB-2312-80 that is stored, only there is 1.5% the more deserted word of stroke to simplify and handles outer can untouchedly depositing in, and 3008 of the Chinese characters of level 2 of the standard GB-2312-80 that is deposited, the many words of 3% stroke are then only arranged, need special processing to solve.Its Chinese character printed words are referring to accompanying drawing 4, and this type matrix character library is little with shared information memory capacity, hold Chinese character pattern and mostly be characteristics, and can with seven needle printer equipment logotypes, make the integral device lightness.

Keyboard computer unit of the present invention, except that importing routinely the western language, can also import various Hanzi coding schemes, particularly this Keyboard computer also is furnished with a kind of simple and easy shape-phonetic encode method, and this is to improve the compression back in the patent of invention of having authorized " box-like letter level Chinese character coding method of digital and sound code character and medium keybiard " to realize on English 101 keyboards.

The present invention compared with prior art has following advantage:

1. the input in Chinese among the present invention partly is that English 101 keyboards with standard are with same Carry out compatible processing under the control of individual special keyboard circuit single-chip microcomputer therein, it will In importing, western language and graphical information be through the keyboard of PC family machine or compatible Input port is sent into main frame, in carrying out, western language and figure compatible processing, so the present invention and PC family machine and compatible thereof use in, western language graphics software compatibility, versatility is extremely strong, Flexible operation, easy to use.

2. owing to the present invention Chinese directly is marked on the keyboard, so anyone is without training Can carry out the input of Chinese character, this give popularizing of China's office automation and picture and text process into Enter family and brought convenience.

3. the present invention adopts chip few, and is simple in structure.

Claims

1. keyboard computer unit, comprise motherboard, hard disk drive, floppy disk, dc-battery, LCD, 232 communication interfaces, external display interface device, printer interface, external power interface, the English 101 QWERTY keyboard interface and the QWERTY keyboard of PC family machine, it is characterized in that:

A. keyboard disk also comprises and the big keyboard of the whole input of the incorporate picture and text of English 101 keyboards;

B. its structure also comprises the keyboard circuit of a PC family machine or compatible function compatible processing, the input/output port of this keyboard circuit is joined with the input/output port of whole big keyboard of input of picture and text and English 101 keys respectively, and within it under portion's Single-chip Controlling, with above-mentioned two input equipments export in, western language and graphical information send into main frame through the QWERTY keyboard input port of PC family machine or compatible and handle.

2. keyboard computer unit according to claim 1, it is characterized in that: above-mentioned keyboard circuit is by programmable single chip computer IC1, three 4-16 line code translator IC4-IC6, a 3-8 line code translator IC3, a trigger IC2, three groups of matrix circuits that code translator output is formed, main frame QWERTY keyboard interface socket and 5-10 8 sockets are formed, the IO interface P1 of single-chip microcomputer IC1 and P2 drive four code translators and scan three groups of matrix circuits, scan code is sent back to CPU through the data bus of single-chip microcomputer, CPU is after judgment processing, and the output keypad code is to the QWERTY keyboard interface socket.

3. Keyboard computer according to claim 1 and 2 is characterized in that: programmable single chip computer is made of the storage chip 8749 or 8049 of 2KROM.

4. keyboard computer unit according to claim 1 is characterized in that: the big keyboard of the whole input of picture and text selects page key, 16 position selecting buttons, 256 or 512 constituency keys to form by 8.

5. according to claim 1 or 4 described keyboard computer units, it is characterized in that: in 256 contained 4096 characters of constituency key, it selects first page of page key by 3755 Chinese characters of one-level of standard GB 2312-80 and the series arrangement of 260 symbols, arranges by 3008 Chinese characters of secondary of standard GB-2312-80 and 426 graphical symbols and Japanese, Russian character sequence for second page.

6. according to claim 1 or 4 described keyboard computer units, it is characterized in that: 512 8192 contained telegraph codes of constituency key are arranged by the character sequence of national telegraph code.

7. according to claim 1 or 4 described keyboard computer units, it is characterized in that: the character library that is adopted is 11 * 14 low spot formation formulas, and each Chinese character is made up of 11 * 14 dot matrix, and is stored in memory chip or the flexible plastic disc.