CN108563438B - External software editing device - Google Patents
External software editing device Download PDFInfo
- Publication number
- CN108563438B CN108563438B CN201810712401.8A CN201810712401A CN108563438B CN 108563438 B CN108563438 B CN 108563438B CN 201810712401 A CN201810712401 A CN 201810712401A CN 108563438 B CN108563438 B CN 108563438B
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- frame
- groove
- shortcut
- splice
- keyboard base
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/30—Creation or generation of source code
- G06F8/33—Intelligent editors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The invention discloses an external software editing device which comprises a shortcut keyboard base, a closing-in frame, shortcut keys and a storage hard disk, wherein the shortcut keyboard base is of a rectangular frame structure, an overlap joint separation frame is fixedly connected to the inside of the shortcut keyboard base, a pressing feedback pad is fixedly connected to the bottom surface of the inside of the shortcut keyboard base, the pressing feedback pad is positioned in a grid area of the overlap joint separation frame, the closing-in frame is fixedly connected to the upper end of the overlap joint separation frame, a grid frame is integrally formed on the inner wall of the closing-in frame and corresponds to the overlap joint separation frame, the shortcut keys are inserted into the inside of the closing-in frame, splicing grooves are formed in the surfaces of the shortcut keys, and positioning holes are formed in the bottom surfaces of the splicing grooves; the shortcut key commonly used in programming codes is integrated on the shortcut keyboard base, a plurality of keys are not required to be pressed simultaneously, the function of the combined key can be realized, and the design is higher in accuracy and convenient to operate, and is suitable for popularization and use.
Description
Technical Field
The invention relates to the technical field of software editing devices, in particular to an external software editing device.
Background
Software is a set of computer data and instructions organized in a specific order, generally divided into system software, application software and middleware between them, not only software including computer programs that can be run on a computer (the computer herein refers to a broad sense of computer), but also documents related to these computer programs are generally considered as part of the software, simply called software is an aggregate of programs and documents, and for software development, software editing means are required for writing, and most commonly used means for software editing at the time of keyboard, but it still has the following drawbacks in practical use:
1. the traditional keyboard has more keys, when a shortcut key is used in the software writing process, people need to press a plurality of keys simultaneously to combine the keys, and for female programmers with smaller palms, when the combined keys are separated greatly, the combined keys need to be pressed by two hands, at the moment, the mouse cannot be operated to be matched and pulled down, so that the working efficiency of programming is affected;
2. when the traditional keyboard falls or violently vibrates, keys can fall off from the base, and the fallen keys fly outwards and are difficult to find, so that the keys are lost;
3. the traditional keyboard has a simple structure, can not be externally connected with a storage device, and can not provide convenience for programmers.
Disclosure of Invention
The invention aims to provide an external software editing device so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an external software editing device, includes swift keyboard base, binding off frame, swift button and storage hard disk, the swift keyboard base is rectangular frame body structure, and the inside fixedly connected with overlap joint separation frame of swift keyboard base, fixedly connected with presses the feedback pad on the inboard bottom surface of swift keyboard base, press the feedback pad and lie in the net region of overlap joint separation frame, the upper end fixedly connected with binding off frame of overlap joint separation frame, integrated into one piece has the net frame on the inner wall of binding off frame, and net frame is corresponding with overlap joint separation frame, and the inside grafting of binding off frame has swift button, the surface of swift button is provided with the splice groove, the bottom surface of splice groove is provided with the locating hole, the locating hole is connected with the locating lever cooperation of the bottom surface fixedly connected of rubber butt plate, and the lower extreme of splice groove is provided with the spread groove, and splice groove link up mutually with the regulating groove, the inside sliding connection of regulating groove has the button spacing piece, integrated into one piece has the sliding block on the lateral wall of button spacing piece, sliding block sliding connection is in the spout that the inner wall of regulating groove set up, be provided with the guide plate and the inside of guide plate, the inside of quick button is provided with the guide plate, the inside of guide plate is provided with the guide plate, quick button is connected with the quick button, and the inside of the guide plate is provided with the stop block, and the inside of the quick button is connected on the surface.
Preferably, the closing-in frame is a rectangular frame body structure, the outer wall of the closing-in frame is in contact with the inner wall of the shortcut keyboard base, the height of the closing-in frame is equal to the distance from the top surface of the lap joint separation frame to the top surface of the shortcut keyboard base, and the grid size of the grid frame on the inner side of the closing-in frame is smaller than the grid size of the lap joint separation frame.
Preferably, the splice groove is rectangular cylinder structure, and the transverse cross section size of splice groove is greater than the cross section size of the upper end of adjustment tank, and the splice groove is provided with two, and two splice grooves are about sign spraying district symmetric distribution, are provided with the sign spraying district between two splice grooves, and the locating hole of splice groove bottom surface is provided with the multiunit, and multiunit locating hole runs through the outer wall setting of splice groove and button locating part respectively, be provided with two sets of locating holes on the bottom surface of splice groove, two sets of locating holes are bilateral symmetry distribution about the adjustment tank.
Preferably, the top surface of the rubber butt-joint plate is adhered with anti-slip strips, the anti-slip strips are in wave shape, the anti-slip strips are provided with a plurality of groups, the anti-slip strips of the plurality of groups are equidistantly arranged on the top surface of the rubber butt-joint plate in equal size, and a plurality of groups of positioning rods are fixedly connected on the bottom surface of the rubber butt-joint plate.
Preferably, the button locating part is T style of calligraphy rectangular cylinder structure, and the width of button locating part's bottom face is greater than the width of button locating part upper end face, and the sliding block of button locating part lateral wall is provided with two, and two sliding blocks are bilateral symmetry about the center of button locating part and distribute.
Preferably, the elastic transmission butt joint is of a circular cylinder structure, the bottom end fixedly connected with elastic electric conduction piece of the elastic transmission butt joint is of a circular arc structure, the middle part of the elastic electric conduction piece protrudes outwards than two ends, the bottom end of the elastic electric conduction piece is welded on a conducting plate inside the storage hard disk, the elastic electric conduction piece is provided with a plurality of connecting holes, the elastic transmission butt joint is matched with the connecting holes in the guide groove, and the connecting holes correspond to the circuit board in the quick keyboard base.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality and has the following advantages:
1. the quick key commonly used in programming codes is integrated on the quick keyboard base, the function of the combined key can be realized without simultaneously pressing a plurality of keys, and the design is higher in accuracy, convenient to operate and suitable for popularization and use;
2. the shortcut key is provided with the key limiting piece, the key limiting piece is contacted with the bottom surface of the closing-in frame, the shortcut key is prevented from falling upwards, the shortcut key is prevented from being lost, the shortcut key can be detached singly, and the shortcut key is convenient to clean and replace;
3. the guide groove is arranged on the shortcut keyboard base, the guide groove is matched with the anti-falling sliding block to realize connection of the shortcut keyboard base and the storage hard disk, and convenience of an external hard disk is provided for programmers.
Drawings
FIG. 1 is a schematic diagram of an explosive structure according to the present invention;
FIG. 2 is a schematic diagram of a shortcut key structure in accordance with the present invention;
FIG. 3 is a schematic view of a rubber docking plate structure of the present invention;
FIG. 4 is a schematic view of the elastic transmission butt joint of the present invention;
fig. 5 is an enlarged schematic view of the structure at a in fig. 1.
In the figure: shortcut keyboard base 1, overlap joint separation frame 2, press feedback pad 3, close up frame 4, swift button 5, splice groove 6, locating hole 7, rubber splice plate 8, locating lever 9, adjustment tank 10, button locating part 11, sliding block 12, spout 13, baffle 14, sign spraying area 15, guide slot 16, anti-drop slider 17, storage hard disk 18, elastic transmission butt joint 19, locking screw 20.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: an external software editing device comprises a shortcut keyboard base 1, a closing frame 4, shortcut keys 5 and a storage hard disk 18, wherein the shortcut keyboard base 1 is of a rectangular frame body structure, a lap joint separation frame 2 is fixedly connected to the inside of the shortcut keyboard base 1, a pressing feedback pad 3 is fixedly connected to the bottom surface of the inside of the shortcut keyboard base 1, the pressing feedback pad 3 is positioned in a grid area of the lap joint separation frame 2, the upper end of the lap joint separation frame 2 is fixedly connected with the closing frame 4, the grid frame is integrally formed on the inner wall of the closing frame 4 and corresponds to the lap joint separation frame 2, the shortcut keys 5 are inserted in the closing frame 4, splicing grooves 6 are formed on the surface of the shortcut keys 5, positioning holes 7 are formed on the bottom surface of the splicing grooves 6, positioning rods 9 fixedly connected with the bottom surface of a rubber butt joint plate 8 are matched and connected, regulating grooves 10 are formed at the lower ends of the splicing grooves 6, the splicing groove 6 is communicated with the adjusting groove 10, a key limiting piece 11 is connected in the adjusting groove 10 in a sliding way, a sliding block 12 is integrally formed on the side wall of the key limiting piece 11, the sliding block 12 is connected in a sliding groove 13 formed in the inner wall of the adjusting groove 10 in a sliding way, a baffle 14 is fixedly connected between the inner walls of the adjusting groove 10, the baffle 14 limits the key limiting piece 11, an identification spraying area 15 is formed on the surface of the shortcut key 5, a guide groove 16 is formed at one end of the shortcut key base 1, an anti-falling sliding block 17 is connected in the guide groove 16 in a sliding way, the anti-falling sliding block 17 is fixedly connected on the outer wall of a storage hard disk 18, an elastic transmission butt joint 19 is arranged in the storage hard disk 18, a locking screw 20 is arranged on the surface of the shortcut key base 1, the locking screw 20 penetrates through the outer walls of the shortcut key base 1 and the anti-falling sliding block 17 at the same time, the upper end and the lower end of the anti-falling sliding block 17 are integrally provided with clamping strips, falling off from the guide groove in the sliding process of the storage hard disk 18 is avoided, and the signal output end of the Bluetooth module inside the shortcut keyboard base 1 is connected with the signal receiving end of the computer.
The closing-in frame 4 is rectangular frame body structure, and the outer wall of closing-in frame 4 contacts with the inner wall of swift keyboard base 1, and the distance between the top surface of closing-in frame 4 and the top surface of overlap joint separation frame 2 to the top surface of swift keyboard base 1 equals, and the net size of the inboard net frame of closing-in frame 4 is less than the net size of overlap joint separation frame 2, and the bottom surface of the inboard net frame of closing-in frame 4 contacts with button locating part 11, prevents swift button 5 from upwards droing from the inside of overlap joint separation frame 2.
Splice groove 6 is rectangular cylinder structure, splice groove 6's transverse cross-section size is greater than the cross-section size of the upper end of adjustment tank 10, splice groove 6 is provided with two, two splice grooves 6 are about sign spraying district 15 symmetric distribution, be provided with sign spraying district 15 between two splice grooves 6, and splice groove 6 bottom surface's locating hole 7 is provided with the multiunit, multiunit locating hole 7 runs through splice groove 6 and button locating part 11's outer wall setting respectively, be provided with two sets of locating holes 7 on splice groove 6's bottom surface, two sets of locating holes 7 are bilateral symmetry about adjustment tank 10 and distribute, splice groove 6 provides the overlap joint region for rubber butt joint board 8, locating hole 7 cooperation locating lever 9 fixes button locating part 11.
The top surface bonding of rubber butt joint board 8 has the antislip strip, and the antislip strip is the wave, and the antislip strip is provided with the multiunit, and the multiunit antislip strip is equidistant equidimension and arranges on the top surface of rubber butt joint board 8, fixedly connected with multiunit locating lever 9 on the bottom surface of rubber butt joint board 8, and the antislip strip promotes programmer's pressing feel, and contacts with swift button 5 when avoiding the hand to sweat and skid.
The button locating part 11 is T style of calligraphy rectangular cylinder structure, and the width of button locating part 11's bottom face is greater than the width of button locating part 11 upper end plate face, and the sliding block 12 of button locating part 11 lateral wall is provided with two, and two sliding blocks 12 are bilateral symmetry about the center of button locating part 11 and distribute, and sliding block 12 slides in the spout 13 of adjustment tank 10 inner wall, prevents button locating part 11 at the inside reciprocates of adjustment tank 10.
The elastic transmission butt joint 19 is the circular cylinder structure, the bottom fixedly connected with elasticity electric conduction piece of elasticity transmission butt joint 19, elasticity electric conduction piece is convex structure, the middle part of elasticity electric conduction piece is outside outstanding than both ends, the bottom welding of elasticity electric conduction piece is on the inside current conducting plate of storage hard disk 18, elasticity electric conduction piece is provided with a plurality of, and the inside of elasticity transmission butt joint 19 and guide way 16 sets up the jack hole sexual cooperation, the jack hole is corresponding with the circuit board that the inside of shortcut keyboard base 1 set up, the signal receiving part butt joint of elasticity transmission butt joint 19 passing the jack hole and the inside circuit board of shortcut keyboard base 1 realizes the electric connection of storage hard disk 18 and shortcut keyboard base 1.
Working principle: when the Bluetooth keyboard is used, a programmer presses a shortcut key 5 on the shortcut keyboard base 1, the shortcut key 5 presses a pressing feedback pad 3, after the signal receiving end of the pressing feedback pad 3 receives a pressing signal, the pressing signal is fed back to a control circuit board in the shortcut keyboard base 1 through the signal output end, so that the operation on the shortcut key can be completed, and compared with the traditional keyboard which adopts a combination key operation, the accuracy of the shortcut key 5 is higher, and the efficiency is improved; the shortcut key 5 is arranged in the shortcut keyboard base 1 and limited by the closing frame 4, so that the shortcut key 5 is prevented from falling off when falling or violently vibrating, when a certain shortcut key 5 needs to be disassembled and cleaned or overhauled, the rubber butt joint plate 8 is lifted, the positioning rod 9 at the bottom of the rubber butt joint plate is driven to be separated from the splicing groove 6 and the positioning hole 7 on the surface of the key limiting piece 11, and then the key limiting piece 11 is arranged. The quick button 5 can be removed by upwards extracting the quick button 5 until the button limiting piece 11 is not contacted with the bottom surface of the closing frame 4, a baffle 14 between the regulating grooves 10 prevents the button limiting piece 11 from being separated from the regulating grooves 10, a sliding block 12 on the surface of the button limiting piece 11 prevents the button limiting piece 11 from moving up and down in the regulating grooves 10, after cleaning is finished, the button limiting piece 11 is shifted outwards, the rubber butt joint plate 8 is lapped inside the splicing groove 6, meanwhile, a positioning rod 9 at the bottom of the rubber butt joint plate 8 is inserted into a positioning hole 7 to fix the button limiting piece 11, and an anti-slip strip on the upper surface of the rubber butt joint plate 8 improves the pressing hand feeling of a programmer and prevents contact slipping with the quick button 5 when a hand sweats; the anti-drop slider 17 on the surface of the storage hard disk 18 slides into the guide groove 16, in the sliding process, the elastic transmission butt joint 19 extruded on the surface of the storage hard disk 18 is inserted into the insertion hole on the inner wall of the guide groove 16, the elastic transmission butt joint 19 penetrates through the insertion hole to butt joint with the signal receiving end of the circuit board inside the shortcut keyboard base 1, the electric connection between the storage hard disk 18 and the shortcut keyboard base 1 is realized, and then the locking screw 20 is screwed to penetrate through the shortcut keyboard base 1 and the anti-drop slider 17 at the same time to fix the storage hard disk 18.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an external software editing device, includes swift keyboard base (1), binding off frame (4), swift button (5) and storage hard disk (18), its characterized in that: the utility model discloses a sliding piece, including quick keyboard base (1), fixed connection, locating hole (7), locating lever (9) cooperation connection, splice groove (6) lower extreme is provided with adjustment groove (10), and splice groove (6) link up with adjustment groove (10), the inside grafting of switch frame (4) has quick button (5) corresponding with overlap joint separation frame (2), the surface of quick button (5) is provided with splice groove (6), the bottom surface of splice groove (6) is provided with locating hole (7), locating lever (9) cooperation connection of bottom surface fixed connection of rubber splice plate (8), splice groove (6) lower extreme is provided with adjustment groove (10), and splice groove (10) link up with adjustment groove (10), the inside grafting of adjustment groove (4) has quick button (5), the surface of quick button (5) is provided with splice groove (6), the bottom surface of splice groove (6) is provided with locating hole (9) cooperation connection of rubber splice plate (8), splice groove (6) lower extreme (10) is provided with limit slide groove (12) in slider (12), a baffle (14) is fixedly connected between the inner walls of the regulating grooves (10), the baffle (14) limits the key limiting piece (11), the surface of the shortcut key (5) is provided with a mark spraying area (15), one end of the shortcut key base (1) is provided with a guide groove (16), the inside of the guide groove (16) is slidably connected with an anti-falling sliding block (17), the anti-falling sliding block (17) is fixedly connected onto the outer wall of the storage hard disk (18), an elastic transmission butt joint head (19) is arranged in the storage hard disk (18), the surface of the shortcut key base (1) is provided with a locking screw (20), and the locking screw (20) simultaneously penetrates through the shortcut key base (1) and the outer wall of the anti-falling sliding block (17);
the closing-in frame (4) is of a rectangular frame body structure, the outer wall of the closing-in frame (4) is in contact with the inner wall of the shortcut keyboard base (1), the height of the closing-in frame (4) is equal to the distance from the top surface of the lap joint separation frame (2) to the top surface of the shortcut keyboard base (1), and the grid size of the grid frame at the inner side of the closing-in frame (4) is smaller than the grid size of the lap joint separation frame (2);
splice groove (6) are rectangular cylinder structure, and the transverse cross-section size of splice groove (6) is greater than the cross-section size of the upper end of adjustment tank (10), and splice groove (6) are provided with two, and two splice grooves (6) are about sign spraying district (15) symmetric distribution, are provided with sign spraying district (15) between two splice grooves (6), and locating hole (7) of splice groove (6) bottom surface are provided with the multiunit, and multiunit locating hole (7) run through the outer wall setting of splice groove (6) and button locating part (11) respectively, be provided with two sets of locating holes (7) on the bottom surface of splice groove (6), two sets of locating holes (7) are bilateral symmetry distribution about adjustment tank (10).
2. An external software editing apparatus according to claim 1, wherein: the top surface of rubber butt joint board (8) bonds there is the antislip strip, and the antislip strip is the wave, and the antislip strip is provided with the multiunit, and multiunit antislip strip is equidistant equisize range on the top surface of rubber butt joint board (8), fixedly connected with multiunit locating lever (9) on the bottom surface of rubber butt joint board (8).
3. An external software editing apparatus according to claim 1, wherein: the key limiting piece (11) is of a T-shaped rectangular column structure, the width of the bottom end plate surface of the key limiting piece (11) is larger than that of the upper end plate surface of the key limiting piece (11), two sliding blocks (12) on the side wall of the key limiting piece (11) are arranged, and the two sliding blocks (12) are distributed symmetrically left and right with respect to the center of the key limiting piece (11).
4. An external software editing apparatus according to claim 1, wherein: the elastic transmission butt joint (19) is of a circular cylinder structure, the bottom end fixedly connected with elastic electric conduction piece of the elastic transmission butt joint (19) is of a circular arc structure, the middle part of the elastic electric conduction piece protrudes outwards than two ends, the bottom end of the elastic electric conduction piece is welded on a conductive plate inside a storage hard disk (18), the elastic electric conduction piece is provided with a plurality of pieces, the elastic transmission butt joint (19) is matched with a splicing hole arranged inside a guide groove (16), and the splicing hole corresponds to a circuit board arranged inside a shortcut keyboard base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810712401.8A CN108563438B (en) | 2018-07-03 | 2018-07-03 | External software editing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810712401.8A CN108563438B (en) | 2018-07-03 | 2018-07-03 | External software editing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108563438A CN108563438A (en) | 2018-09-21 |
| CN108563438B true CN108563438B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810712401.8A Active CN108563438B (en) | 2018-07-03 | 2018-07-03 | External software editing device |
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| Country | Link |
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| CN (1) | CN108563438B (en) |
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| CN104317406A (en) * | 2014-10-13 | 2015-01-28 | 南京博创工业产品设计有限公司 | Software shortcut key keypad |
| CN205015844U (en) * | 2015-10-16 | 2016-02-03 | 张勇 | Novel software editing keyboard |
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| CN206039437U (en) * | 2016-07-29 | 2017-03-22 | 王咸杨 | Editor's keyboard that software development was used |
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| CN207232897U (en) * | 2017-09-01 | 2018-04-13 | 深圳市多彩实业有限公司 | One-handed keyboard |
| CN208506733U (en) * | 2018-07-03 | 2019-02-15 | 山东交通学院 | A kind of circumscribed software editing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020154097A1 (en) * | 2001-04-20 | 2002-10-24 | Rich Chen | Auxiliary device for edting document |
| US20180052527A1 (en) * | 2015-03-09 | 2018-02-22 | Sonder Design Pty Ltd | An input device for the dynamic display of icons |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004021633A (en) * | 2002-06-17 | 2004-01-22 | Kinkyo Denshi Jitsugyo Kofun Yugenkoshi | Multimedia keyboard |
| CN202472554U (en) * | 2011-12-21 | 2012-10-03 | 山东交通学院海运学院 | Computer keyboard |
| CN104317406A (en) * | 2014-10-13 | 2015-01-28 | 南京博创工业产品设计有限公司 | Software shortcut key keypad |
| CN205015844U (en) * | 2015-10-16 | 2016-02-03 | 张勇 | Novel software editing keyboard |
| CN205318326U (en) * | 2015-12-09 | 2016-06-15 | 金陵科技学院 | Keyboard with storage function |
| CN206039437U (en) * | 2016-07-29 | 2017-03-22 | 王咸杨 | Editor's keyboard that software development was used |
| CN207182233U (en) * | 2017-06-06 | 2018-04-03 | 吴崧毅 | A kind of macroprogramming keyboard |
| CN207232897U (en) * | 2017-09-01 | 2018-04-13 | 深圳市多彩实业有限公司 | One-handed keyboard |
| CN208506733U (en) * | 2018-07-03 | 2019-02-15 | 山东交通学院 | A kind of circumscribed software editing device |
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| Publication number | Publication date |
|---|---|
| CN108563438A (en) | 2018-09-21 |
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