CN108806351B - Display screen for learning machine - Google Patents
Display screen for learning machine Download PDFInfo
- Publication number
- CN108806351B CN108806351B CN201811012387.7A CN201811012387A CN108806351B CN 108806351 B CN108806351 B CN 108806351B CN 201811012387 A CN201811012387 A CN 201811012387A CN 108806351 B CN108806351 B CN 108806351B
- Authority
- CN
- China
- Prior art keywords
- display screen
- connecting plate
- main
- hole
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000007306 turnover Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 8
- 239000000428 dust Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 210000000887 face Anatomy 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Electrically Operated Instructional Devices (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention belongs to the technical field of learning machines, and particularly relates to a display screen for a learning machine, which comprises a main display screen, a display screen module and a connecting plate, wherein the top end and the bottom end of the connecting plate are respectively and rotatably connected with the bottom end of the display screen module and the top end of the main display screen; a touch switch is fixedly arranged at the joint between the display screen module and the connecting plate and used for turning on or off each extended display screen, the display screen module is turned over outwards relative to the connecting plate, the touch switch is touched, and each extended display screen is turned on; the display screen module is turned inwards relative to the connecting plate, the touch switch is touched, and the display screen module is turned off; when the main display screen is as the display screen of use, display screen module and connecting plate are as the supporting seat, and when the display screen module was as the display screen of use, main display screen and connecting plate were as the supporting seat. The invention provides a display screen which has a large display area, is provided with a support seat for supporting the display screen and is convenient to carry and used for a learning machine.
Description
Technical Field
The invention belongs to the technical field of learning machines, and particularly relates to a display screen for a learning machine.
Background
The term "change of knowledge fate" is an extremely detailed term for students, and students ask teachers to choose to learn more knowledge and improve their scores, but teachers have their own work and rest time and cannot solve the suspicions of students all the time, so the learning machine takes the turn.
The learning machine has the advantages of convenience, students can learn at any time, and the learning machine can bring all-around knowledge to the students and can solve difficult and complicated problems encountered by the students in the learning process; however, everything is not perfect, as are learning machines, which have the drawbacks of: the learning machine with a small display screen has small characters on the display screen, small video teaching images and large stress on eyes of students, and a plurality of students are inconvenient to discuss the content on the learning machine due to the small display screen; in addition, most learning machines are not provided with a supporting seat for the convenience of carrying, and the learning machines are not provided with supporting seats, so that students cannot watch learning contents conveniently.
For solving above-mentioned problem, the learning that the display screen is big has appeared in the market, and similar to the panel computer, the typeface on the display screen also can be a little bigger, can alleviate the burden of eyes to a certain extent, and video teaching also can see clearly not few, but because of the increase of display screen area, its defect that exists not portable.
Disclosure of Invention
The invention aims to provide a display screen for a learning machine, which has a large display area, is provided with a support seat for supporting the display screen and is convenient to carry.
The basic scheme provided by the invention is as follows: the display screen for the learning machine comprises a main display screen, a display screen module and a connecting plate, wherein the top end and the bottom end of the connecting plate are respectively and rotatably connected with the bottom end of the display screen module and the top end of the main display screen;
a touch switch is fixedly arranged at the joint between the display screen module and the connecting plate and used for lighting or extinguishing each extended display screen, the display screen module is turned outwards relative to the connecting plate, the touch switch is touched, and each extended display screen is lighted; the relative connecting plate of display screen module is inwards upset, and touch switch is touched, and each extension display screen is all extinguished.
The invention has the beneficial effects that:
1. based on the technical characteristics that the display screen module comprises a plurality of extended display screens, the scheme increases the display area of the display screen; based on the technical characteristics that the display screen module can be turned inwards or outwards relative to the connecting plate and the connecting plate can be turned inwards or outwards relative to the main display screen, the portable electronic device has the advantage of being convenient to carry; in conclusion, the technical problem that characters or images displayed by the display screen have large pressure on eyes of students in the using process due to the fact that the display area of the display screen of the learning machine is small is solved, and the technical problem that the learning machine with the large display screen is inconvenient to carry is solved.
2. Based on the technical characteristics that the display screen module is outwards turned relative to the connecting plate, the touch switch is touched, and each extended display screen is lightened, the technical effect of automatically lightening each extended display screen is achieved; based on the technical characteristics that the display screen module is turned inwards relative to the connecting plate, the touch switch is touched, and each extended display screen is extinguished, the technical effect of automatically extinguishing each extended display screen is achieved; to sum up, this scheme is when using the display screen module, and each extension display screen can be lighted automatically, and when the display screen module did not use, the display screen module was the relative connecting plate upset, and each extension display screen was extinguished, can practice thrift the electric energy.
3. Based on the inside or outside upset of connecting plate relatively of display screen module ability to and the inside or outside technical characterstic that overturns of main display screen relatively of connecting plate ability, when having reached the use display screen module, connecting plate and main display screen can regard as the supporting seat that supports each extended display screen, and when using the main display screen, each extended display screen and connecting plate can regard as the technological effect who supports the supporting seat of main display screen.
Further, the expansion display screen is 3, is left expansion display screen, main expansion display screen and right expansion display screen respectively, and both ends are articulated with left expansion display screen and right display screen respectively about main expansion display screen, and equal fixed mounting has tilting mechanism between main expansion display screen and the connecting plate top and between main expansion display screen and the connecting plate bottom.
The design can enable the three expansion display screens to form a rectangle, the display areas of the three expansion display screens are enough to reduce the pressure on eyes of students caused by small characters and small images, and the three expansion display screens have smaller acting force on the rotating mechanism between the main expansion display screen and the connecting plate when being used as the display screens compared with the four or more expansion display screens, namely the service life of the rotating mechanism is longer; compare two extension display screens, three extension display screens are convenient for fold up and have the symmetry beautiful.
Further, the turnover mechanism comprises a rotating shaft and a connecting rod, wherein the top end and the bottom end of the connecting plate are respectively provided with a transverse through hole, the rotating shaft is positioned in the transverse through holes, the hole diameter of each transverse through hole is larger than that of the rotating shaft, the transverse through holes are respectively provided with an annular groove along the circumferential direction, the length of the connecting rod is smaller than that of each through hole, one end of the connecting rod is connected with the annular groove in a sliding manner, the other end of the connecting rod is fixedly connected with the rotating shaft, and a limiting block for;
vertical grooves are formed in the top end and the bottom end of the connecting plate, the thickness of each vertical groove is equal to that of the connecting plate, the vertical grooves are communicated with the transverse through holes, fixing parts are fixedly mounted on the bottom end of the main extended display screen and the top end of the main display screen, and the fixing parts penetrate through the corresponding grooves and fixedly connected with the rotating shaft.
Design like this and can restrict the angle of connecting plate, main extension display screen and main display screen upset, when connecting plate, main extension display screen and main display screen upset to the biggest angle, will can not continue backward rotation again, can effectively support main display screen or display screen module, conveniently place it on the desktop.
Further, the surface of the touch switch is a circular arc surface; one end of the connecting rod sliding connection annular groove is an arc surface, the connecting rod touches the touch switch, and the connecting rod is limited by the limiting block.
The design can realize the effect of controlling the lighting or extinguishing of the main extended display screen, the left extended display screen and the right extended display screen; secondly, the surface of the touch switch is an arc surface, and one end of the connecting rod is an arc surface, so that the connecting rod can touch the touch switch conveniently.
Furthermore, the top ends of the left expansion display screen, the main expansion display screen and the right expansion display screen are fixedly connected with rubber air bags with upward openings.
The design can avoid that the impact force for overturning damages each display screen when the left expansion display screen, the right expansion display screen and the main expansion display screen are inwards overturned; the technical characteristic that the opening faces upwards is convenient for the display screens to be folded together better, namely the display screens cannot be folded due to the existence of the rubber air bag.
Secondly, when using the study of main display screen, connecting plate, left side extension display screen, right side extension display screen and main extension display screen constitute a supporting seat, and study time is long, and the learning machine body rises with surrounding temperature, and inside the opening entering rubber gasbag of hot gas through rubber gasbag, rubber gasbag expanded because of expend with heat and contract with cold principle, the slight shake can take place for this moment main display screen, reminds student's study time overlength, should have a suitable rest.
Further, the area of the main expansion display screen and the area of the connecting plate are equal to the area of the main display screen, and the area of the left expansion display screen and the area of the right expansion display screen are equal to half of the area of the main display screen.
Design like this makes left side extension display screen, right side extension display screen and main extension display screen when constituting a display screen, can not lead to the supporting seat that connecting plate and main display screen constitute to be difficult to support because of this display screen is too wide.
Drawings
FIG. 1 is an expanded view of a display module, a main display and a connecting board according to an embodiment of the present invention;
FIG. 2 is a left side view of a main display screen as a display screen according to an embodiment of the present invention;
FIG. 3 is a left side view of a display screen module as a display screen according to an embodiment of the present invention;
FIG. 4 is a side sectional view of an annular groove, a connecting rod, a touch switch and a limiting block of the display screen of the learning machine according to the embodiment of the invention;
FIG. 5 is a left side view of a portable learning machine according to an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: main display screen 1, connecting plate 2, left side extension display screen 3, right side extension display screen 4, main extension display screen 5, first mounting 6, second mounting 7, annular groove 8, connecting rod 9, touch switch 10, stopper 11.
Example one
As shown in fig. 1, the display screen for the learning machine comprises a main display screen 1, a display screen module, a connecting plate 2 and a turning mechanism, wherein the display screen module comprises a left extended display screen 3, a main extended display screen 5 and a right extended display screen 4, the left end and the right end of the main extended display screen 5 are respectively hinged with the right end of the left extended display screen 3 and the left end of the right extended display screen 4, and the three extended display screens can form a rectangle; the top ends of the left expansion display screen 3, the main expansion display screen 5 and the right expansion display screen 4 are all bonded with rubber air bags with upward openings.
The areas of the main extended display screen 5 and the connecting plate 2 are equal to the area of the main display screen 1, and the areas of the left extended display screen 3 and the right extended display screen 4 are equal to half of the area of the main display screen 1; the top end and the bottom end of the connecting plate 2 are respectively hinged with the top end of the main display screen 1 and the bottom end of the main expansion display screen 5 through a turnover mechanism.
The turnover mechanism comprises a rotating shaft and a connecting rod 9, wherein the top end and the bottom end of the connecting plate are both provided with transverse through holes, the rotating shaft is positioned in the transverse through holes, the hole diameter of each transverse through hole is larger than that of the rotating shaft, and the central positions of the transverse through holes are both provided with annular grooves 8 along the circumferential direction; the length of connecting rod 9 is less than the hole diameter of through-hole, the one end and the 8 sliding connection of annular groove of connecting rod 9, the connecting rod 9 other end and pivot welding, the welding department of connecting rod 9 and pivot is located the centre of a circle that annular groove 8 becomes the circle, equal fixed mounting has touch switch 10 and is used for restricting the gliding stopper 11 of connecting rod 9 in the annular groove 8, the one end that connecting rod 9 and 8 sliding connection of annular groove are the arc surface, touch switch 10 surface is the arc surface.
The two touch switches 10 are respectively corresponding power switches of the display screen module and the main display screen, a plane rectangular coordinate system is established by using the plane where the annular groove 8 is located, the abscissa is an X axis, the ordinate is a Y axis, and the center point of the plane rectangular coordinate system is superposed with the circle center of the circle formed by the annular groove 8.
Initially, namely, the main display screen and the display screen module are not turned outwards relative to the connecting plate, and the connecting rod 9 is overlapped with the X positive half shaft; the main display screen and the display screen module turn outwards relative to the connecting plate and rotate anticlockwise by taking a plane rectangular coordinate system as a reference object; the limiting block 11 is positioned in the fourth quadrant, and a connecting line between the limiting block 11 and the central point forms an angle of 60 degrees with the X positive half shaft; the tactile switch 10 is in the fourth quadrant and the continuation between the tactile switch 10 and the central point is 70 deg. from the positive X half axis.
Two vertical grooves are formed in the top end and the bottom end of the connecting plate, the corresponding vertical grooves are symmetrically arranged by taking the annular groove 8 as a symmetry axis, the thickness of each vertical groove is equal to that of the connecting plate, and each vertical groove is communicated with the corresponding transverse through hole.
As shown in fig. 1, two first fixing pieces 6 are fixedly mounted at the bottom end of the main extended display screen 5, the two first fixing pieces 6 are respectively arranged opposite to the two vertical grooves, and the two first fixing pieces 6 respectively penetrate through the vertical grooves and are welded with the rotating shaft; the top end of the main display screen 1 is fixedly provided with two second fixing pieces 7, the two second fixing pieces 7 are respectively opposite to the two vertical grooves, and the two second fixing pieces 7 respectively penetrate through the vertical grooves to be welded with the rotating shaft.
The specific implementation process is as follows:
(one) main display screen 1 as display screen
As shown in fig. 1, first, the left extended display 3 and the right extended display 4 are folded inwards; secondly, the main expansion display screen 5 is turned inwards; finally, the main display 1 is turned outwards; in the process that the main display screen 1 is turned outwards, one end of a connecting rod 9 at the bottom end of the connecting plate 2 slides on the corresponding annular groove 8; when connecting rod 9 and 8 sliding connection's of annular groove one end touch the touch switch 10 on this annular groove 8, main display screen 1 is lighted, main display screen 1 continues outside upset, when main display screen can no longer outwards overturn, stop the upset action, at this moment, connecting rod 9 has been spacing by stopper 11, as shown in fig. 2, main display screen is 60 with the contained angle that the connecting plate becomes, main extension display screen 5, left side extension display screen 3, right side extension display screen 4 and connecting plate 2 are as the supporting seat that supports main display screen 1 together.
After the learning machine used a period, the temperature of learning machine body rose, and the rubber gasbag is heated the inflation this moment, and the volume all increases, again because the reason of connecting plate 2 and 1 self gravity of main display screen, under the elastic characteristic effect of rubber gasbag, connecting plate 2 can drive 1 up-and-down motion of main display screen, and main display screen 1 can shake promptly, and at this moment, the shake of main display screen 1 can remind to use the people to learn the time and already through very long, notice the rest.
(II) the display screen module is used as a display screen
As shown in fig. 1, first, the main display 1 is turned inward, and the main display 1 overlaps the connection board 2; secondly, the connecting plate 2 is turned outwards, and in the process that the connecting plate 2 is turned outwards, one end of a connecting rod 9 at the top end of the connecting plate 2 slides on the corresponding annular groove 8; when connecting rod 9 and 8 sliding connection's of annular groove one end touch switch 10 on this annular groove 8, main extension display 5, left side extension display 3 and right extension display 4 are all lighted, connecting plate 2 continues outwards upset, when connecting plate 2 can not outwards overturn again, stop the upset action, at this moment, connecting rod 9 has been spacing by stopper 11, as shown in fig. 3, main extension display 5, the rectangle that left side extension display 3 and right extension display 4 constitute is 60 with the contained angle that connecting plate 2 becomes, main display 1 and connecting plate 2 are as the supporting seat that supports main display 1 together.
(III) carrying
Firstly, the main display screen 1 is turned inwards, and the main display screen 1 is overlapped with the connecting plate 2; secondly, the left extended display screen 3 and the right extended display screen 4 are turned inwards; finally, the web 2 is turned inwards, as shown in fig. 5, with the learning machine in this state.
Example two
The display screen for a learning machine of the second embodiment is different from the display screen for a learning machine of the first embodiment only in that: still be equipped with elastic airbag in the horizontal through-hole, elastic airbag and stopper 11 bond towards touch switch 10 one side, and elastic airbag still opens and is equipped with the air outlet, and vertical through-hole has still been seted up to connecting plate 2, vertical through-hole and horizontal through-hole intercommunication, and the air outlet is located vertical through-hole department.
When the connecting rod 9 slides in the annular groove 8, the connecting rod 9 and the annular groove 8 have relative friction, the connecting rod 9 is made of plastic, a fur layer is fixedly bonded on the annular groove 8, and static electricity can be generated due to the relative friction of the connecting rod and the annular groove 8. Normally, the relative friction between the connecting rod 9 and the annular groove 8 is used when the main display 4 is turned over, and the connecting rod 9 and the annular groove 8 are first rubbed and charged, so that no dust enters. After the air purifier is used, part of inlet air enters through the transverse through holes, static electricity exists on the connecting rods 9 and the fur layers of the annular grooves 8 at the moment, dust in the air entering from the transverse through holes can be adsorbed, and the dust in the transverse through holes can be adsorbed on the connecting rods 9; when the connecting rod 9 extrudes the elastic air bag, air in the elastic air bag flows towards the main display screen 1 or the main expansion display screen 5 through the air outlet, and dust on the connecting rod 9 is blown out of the transverse through hole, so that the dust removal effect is achieved; secondly, the main display screen 1 or the main extended display screen 5 faces based on the air outlet, and the effect of radiating the main display screen 1 or the main extended display screen 5 can be achieved; finally, the elastic air bag can also play a role in buffering the connecting rod.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics of the embodiments has not been described in detail, so that a person of ordinary skill in the art can understand all the common technical knowledge in the field of the invention before the application date or the priority date, can know all the prior art in the field, and have the ability to apply routine experimentation before the application date. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (1)
1. A display screen for learning machine, its characterized in that: the display screen module comprises a plurality of extended display screens, and the extended display screens can form a rectangle;
a touch switch is fixedly arranged at the joint between the display screen module and the connecting plate and used for turning on or off each extended display screen, the display screen module is turned over outwards relative to the connecting plate, the touch switch is touched, and each extended display screen is turned on; the display screen module is turned inwards relative to the connecting plate, the touch switch is touched, each expanded display screen is extinguished, the number of the expanded display screens is 3, namely the left expanded display screen, the main expansion display screen and the right expansion display screen, the left and right ends of the main expansion display screen are respectively hinged with the left expansion display screen and the right display screen, a turnover mechanism is fixedly installed between the main expansion display screen and the top end of the connecting plate and between the main display screen and the bottom end of the connecting plate, the turnover mechanism comprises a rotating shaft and a connecting rod, the top end and the bottom end of the connecting plate are respectively provided with a transverse through hole, the rotating shaft is positioned in the transverse through hole, the hole diameter of the transverse through hole is larger than the diameter of the rotating shaft, annular grooves are respectively formed in the transverse through hole along the circumferential direction, the length of the connecting rod is smaller than the hole diameter of the through hole, one end of the connecting rod is slidably; an elastic air bag is further arranged in the transverse through hole, the elastic air bag is bonded with the limiting block towards one side of the touch switch, an air opening is further formed in the elastic air bag, a vertical through hole is further formed in the connecting plate, the vertical through hole is communicated with the transverse through hole, and the air outlet is located at the vertical through hole;
vertical grooves are formed in the top end and the bottom end of the connecting plate, the thickness of each vertical groove is equal to that of the connecting plate, the vertical grooves are communicated with the transverse through holes, fixing parts are fixedly mounted at the bottom end of the main extended display screen and the top end of the main display screen, the fixing parts penetrate through the corresponding grooves to be fixedly connected with the rotating shaft, and the surface of the touch switch is an arc surface; connecting rod sliding connection annular groove's one end is the arc surface, connecting rod touch switch, the connecting rod is spacing by the stopper, left side expansion display screen, the equal rigid coupling in top of main expansion display screen and right expansion display screen has opening rubber air bag up, the area of main expansion display screen and connecting plate is equalling in the area of main display screen, left side expansion display screen and right expansion display screen area all equal the half of main display screen area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811012387.7A CN108806351B (en) | 2018-08-31 | 2018-08-31 | Display screen for learning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811012387.7A CN108806351B (en) | 2018-08-31 | 2018-08-31 | Display screen for learning machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108806351A CN108806351A (en) | 2018-11-13 |
| CN108806351B true CN108806351B (en) | 2020-12-18 |
Family
ID=64081556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811012387.7A Expired - Fee Related CN108806351B (en) | 2018-08-31 | 2018-08-31 | Display screen for learning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108806351B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325247A (en) * | 2000-05-19 | 2001-12-05 | 明碁电脑股份有限公司 | Inductor for detecting the protection cover state in mobile telephone |
| CN1347233A (en) * | 2001-02-09 | 2002-05-01 | 祝培钫 | Foldable display screen and its connector |
| US6643124B1 (en) * | 2000-08-09 | 2003-11-04 | Peter J. Wilk | Multiple display portable computing devices |
| CN106652616A (en) * | 2015-10-31 | 2017-05-10 | 倪国森 | Self-test learning machine |
| CN107454212A (en) * | 2017-06-14 | 2017-12-08 | 中兴通讯股份有限公司 | A kind of pivot structure, electronic equipment and control method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020135535A1 (en) * | 2001-01-20 | 2002-09-26 | Alexander Muller | Portable electronic data processing device |
-
2018
- 2018-08-31 CN CN201811012387.7A patent/CN108806351B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325247A (en) * | 2000-05-19 | 2001-12-05 | 明碁电脑股份有限公司 | Inductor for detecting the protection cover state in mobile telephone |
| US6643124B1 (en) * | 2000-08-09 | 2003-11-04 | Peter J. Wilk | Multiple display portable computing devices |
| CN1347233A (en) * | 2001-02-09 | 2002-05-01 | 祝培钫 | Foldable display screen and its connector |
| CN106652616A (en) * | 2015-10-31 | 2017-05-10 | 倪国森 | Self-test learning machine |
| CN107454212A (en) * | 2017-06-14 | 2017-12-08 | 中兴通讯股份有限公司 | A kind of pivot structure, electronic equipment and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108806351A (en) | 2018-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207370408U (en) | A kind of infanette | |
| CN106125833B (en) | A kind of location structure of convertible touch display screen | |
| CN103206453B (en) | Connecting mechanism and related electronic device | |
| CN102282511A (en) | Mounting system for an electronic teaching board | |
| CN102095064B (en) | Translational overturning structure of joined screen display unit | |
| CN108806351B (en) | Display screen for learning machine | |
| CN209026415U (en) | Terminal support and terminal assembly for foldable display terminal | |
| CN207337273U (en) | Tablet protective case with keyboard | |
| CN206975914U (en) | The rote teaching model for facilitating student to show | |
| CN107578669A (en) | A kind of portable primary Chinese teaching plate | |
| CN209422856U (en) | Landscape double-seat pedal trainer | |
| CN101332018A (en) | Multifunctional adjustable learning table | |
| CN217034950U (en) | Driving simulator structure assembly | |
| CN101044444A (en) | Laptop computer stand | |
| CN206411884U (en) | A kind of art education teaching demonstration device | |
| CN201628889U (en) | Laptop | |
| KR102183555B1 (en) | Foldable structure for flexible display panel | |
| CN209785284U (en) | College english teaching is with interactive display device of teachers and students | |
| CN209232309U (en) | A kind of bending mechanism of flexible screen | |
| CN206638939U (en) | A kind of projecting apparatus of teaching | |
| CN208488850U (en) | Multimedia advertising teaching aid | |
| CN109285458B (en) | Bending mechanism of flexible screen | |
| CN207213579U (en) | A kind of computer display Collapsible rack | |
| CN206733019U (en) | A kind of automatic charging early education robot | |
| CN206053430U (en) | The vault screen cinema of convenient installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |