CN104299465A - Multimedia integrated machine with rotation projection function - Google Patents
Multimedia integrated machine with rotation projection function Download PDFInfo
- Publication number
- CN104299465A CN104299465A CN201410639326.9A CN201410639326A CN104299465A CN 104299465 A CN104299465 A CN 104299465A CN 201410639326 A CN201410639326 A CN 201410639326A CN 104299465 A CN104299465 A CN 104299465A
- Authority
- CN
- China
- Prior art keywords
- machine
- multimedia
- projector
- central controller
- electronic whiteboard
- 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.)
- Pending
Links
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
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/067—Combinations of audio and projected visual presentation, e.g. film, slides
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a multimedia integrated machine with a rotation projection function. The multimedia integrated machine comprises a machine casing, a bracket, a central controller, an electronic whiteboard, loudspeakers, a suspension arm, a projector and a rotation controller, wherein the central controller is integrated in the machine casing, a control system of the suspension arm and a drive of the projector are integrated on the central controller, the electronic whiteboard is embedded in the front surface of the machine casing, the loudspeakers are positioned on the two side surfaces of the electronic whiteboard, the machine casing is suspended on the bracket, the suspension arm is mounted the bracket in an inserting manner, the projector is mounted on the suspension arm and is connected with the central controller through a data wire, the rotation controller is connected with the central controller wirelessly, and the multimedia integrated machine is powered by a power source of the central controller. According to the multimedia integrated machine disclosed by the invention, through the adoption of the rotation controller, the projector can be rotated to any non-shielding position, and any vertical surface can be used as a projection screen, so that advertising videos, audio and video creations and the like can be displayed, and the conversion from the low-cost device to the good functions for a small meeting room is realized.
Description
Technical field
The present invention relates to multimedia all-in-one machine, particularly a kind of rotating and projection multimedia all-in-one machine being applied to teaching and meeting.
Background technology
Along with the development of infotech, multimedia application gets more and more, and the field of application is more come about wide, is especially applied to teaching and meeting.Multimedia all-in-one machine, by integrated for the types of functionality such as computing machine, sound, word, image, video, projection, fully meets people's demand in use.
But in the prior art, multimedia all-in-one machine mostly is fixing projection, and in teaching, usually needs to play educational film, propaganda film etc., the student of a class has 50 people even more usually, and viewing distance reaches about 10 meters farthest, and multimedia all-in-one machine is limited to size, the displaying of image cannot be made to meet the viewing effect of all classmates, if the screen size of multimedia all-in-one machine is done greatly, then very significantly add the educational costs of school, high cost makes a lot of school extensively to adopt.In a lot of meeting, need the scheme to showing to discuss, and now, be fixedly lifted on the projector in multimedia all-in-one machine screen dead ahead by shield portions screen, be unfavorable for viewing.
Summary of the invention
Be unfavorable for the features such as viewing for existing projector, the invention provides a kind of multimedia all-in-one machine of rotating and projection, realize multimedia all-in-one machine spinfunction, meet the needs of modernizing teaching.
The invention provides a kind of rotating and projection multimedia all-in-one machine, described multimedia all-in-one machine comprises: casing (1), support (2), central controller, electronic whiteboard (12), audio amplifier (13), arm (3), projector (4), Rotation Controllers (5), wherein: described central controller is integrated in casing (1), central controller electronic whiteboard (12) is embedded in casing (1) front surface, audio amplifier (13) is positioned at electronic whiteboard (12) two sides, described casing (1) is suspended on support (2), described arm (3) assigns on support (2), described projector (4) is suspended on arm (3) end, described projector (4) is connected with central controller by data line, described Rotation Controllers (5) and and central controller between realize radio communication, described multimedia all-in-one machine is powered by power lead (14).
Further, described electronic whiteboard (12) is electromagnetic induction touch screen electronic whiteboard.
Further, described projector (4) is zoom projector.
Further, the articles holding table (22) described support (2) comprising support column (21) and be positioned at support column (21) upper end and the base (23), the described base (23) that are fixed on support column (22) bottom have universal wheel (231).
Further, described arm (3) comprises vertical telescopic bar (31), horizontal extension bar (32), wherein: described vertical telescopic bar (31) is connected by buckle (33) with horizontal extension bar (32), described horizontal extension bar (32) is connected by multi-directional ball (34) with projector (4).
Further, described casing (1) side has extension interface (15), and described extension interface is WiFi, USB, VGA, audio-video interface.
Further, described Rotation Controllers (5) has control knob (51) and wave point (52).
Further, described control knob (51) panel is provided with lifting button (511), flexible button (512), rotary knob (513).
Central controller, electronic whiteboard, projection, audio amplifier etc. become one by this multimedia all-in-one machine, the construction of effective solution is complicated, wiring bothers, the problems such as interface contact is bad, pass through rotating and projection, can as required, by projector Arbitrary Rotation, project on the facade of needs, the side body of wall of such as teacher, back wall, by the zoom function of projector, realizes image zoom, in teaching, easily can realize the viewing of film, broadcasting of propaganda film is drilled, and little classroom is to the conversion of lyceum.
In daily meeting; when not needing projection; pass through Rotation Controllers; easily projector can be rotated to the position of not blocking arbitrarily realization; meanwhile, Arbitrary Rotation projector, using any facade as projection screen; can propaganda film, audio-visual intention etc. be shown, realize the conversion of little meeting room low-cost equipment to large function.
Hinge structure, the technical scheme in the present invention is more suitable for teaching and meeting, simple to operate, easily realizes the conversion of projection orientation, affects the conversion of size.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the rotating and projection multimedia all-in-one machine Facad structure schematic diagram in the embodiment of the present invention.
Fig. 2 is the rotating and projection multimedia all-in-one machine structure schematic diagram in the embodiment of the present invention.
Fig. 3 is the rotating and projection multimedia all-in-one machine Rotation Controllers schematic diagram in inventive embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
As Fig. 1, Fig. 2 shows the rotating and projection multimedia all-in-one machine in the present invention, this rotating and projection multimedia all-in-one machine includes casing 1, support 2, central controller (not shown, to be positioned at casing internal), electronic whiteboard 12, audio amplifier 13, arm 3, projector 4, Rotation Controllers 5; Central controller in the present invention is integrated in casing 1, do not illustrate in the present embodiment, it is the processing enter of whole all-in-one, electronic whiteboard 12 is embedded in casing 1 front surface, audio amplifier 13 is positioned at electronic whiteboard 12 two sides, support 2 comprises support column 21 and be positioned at the articles holding table 22 of support column 21 upper end and be fixed on base 23 bottom support column 22, this base 23 has universal wheel 231.This projector 4 is suspended on arm 3 end, this projector 4 is connected with central controller by data line, radio communication is realized between the Rotation Controllers 5 in the present embodiment and central controller, this multimedia all-in-one machine is powered by power lead 14, and this power lead 14 can be linked into external power source and realize inputting the power supply of whole all-in-one.
It should be noted that, this electronic whiteboard 12 is electromagnetic induction touch screen electronic whiteboard, and can realize a lot of functional touch screen application etc., projector 4 is zoom projector, and it can meet place demand and control focusing etc., meets diversified demand.
As Fig. 2, it is rotating and projection multimedia all-in-one machine structure schematic diagram, this casing 1 is suspended on support 2, arm 3 assigns on support 2, arm 3 comprises vertical telescopic bar 31, horizontal extension bar 32, vertical telescopic bar 31 is connected by buckle 33 with horizontal extension bar 32, and this horizontal extension bar 32 is connected by multi-directional ball 34 with projector 40; Logical Rotation Controllers 5 can manipulate flexible, the rotation of arm, projector 4 is connected with central controller by data line, extension interface 15 is provided with at cabinet sides, extension interface 15 inside is connected on central controller, and this extension interface 15 is generally the interfaces such as WiFI, USB, VGA, audio frequency and video.
As Fig. 3, it is the structural representation of Rotation Controllers 5, this Rotation Controllers 5 has wireless transmitting and receiving device 52, can be communicated with the arm control system on central controller, realize the remote control to arm by control knob 51, whole control knob 51 panel is provided with lifting button 511, flexible button 512, rotary knob 513.
In use, by universal wheel 231, multimedia all-in-one machine is made to move to assigned address, by power lead 14 for multimedia all-in-one machine is powered, multimedia all-in-one machine can be made to realize one-touch switch by central controller, when needs project on electronic whiteboard, with rotation telepilot 5, control projector 4, rotate to electronic whiteboard 12 front, select short out-of-focus projection by central controller, by image projecting on electronic whiteboard 12, as needs on electronic whiteboard 12 institute's project content is modified time, can directly by touching electronic whiteboard 12 realize input; When needs are in larger plane display projection, only need control arm 3 by rotating telepilot 5, by lifting button 51) adjustment vertical rod 31 height, horizon bar (32) length is adjusted by flexible button 512, multi-directional ball 34 angle is adjusted, by the determination of projector 4 to suitable position by rotary knob 513.When projector 4 rotates to correct position, by and convert the focal length of projector 4, can on the facade of correspondence show image.This multimedia all-in-one machine carries audio amplifier 13, can the file such as playing pictures, text, audio frequency and video, by the extension interface 14 on central controller, can connect WiFi, microphone, USB flash disk etc., realize multiple expansion demand.By the articles holding table 22 on support 2, rotation telepilot can be put, the article such as teaching notes.
Central controller, electronic whiteboard, projection, audio amplifier etc. become one by this multimedia all-in-one machine, the construction of effective solution is complicated, wiring bothers, the problems such as interface contact is bad, and rotating and projection, make multimedia all-in-one machine except self function, adds additional powerful projection display funciton, in teaching, easily can realize the viewing of film, broadcasting of propaganda film is drilled, and little classroom is to the conversion of lyceum.
In daily meeting; when not needing projection; pass through Rotation Controllers; easily projector can be rotated to the position of not blocking arbitrarily realization; meanwhile, Arbitrary Rotation projector, using any facade as projection screen; can propaganda film, audio-visual intention etc. be shown, realize the conversion of little meeting room low-cost equipment to large function.
Hinge structure, the technical scheme in the present invention is more suitable for teaching and meeting, simple to operate, easily realizes the conversion of projection orientation, affects the conversion of size.
Above the rotating and projection multimedia all-in-one machine that the embodiment of the present invention provides is described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a rotating and projection multimedia all-in-one machine, it is characterized in that, described multimedia all-in-one machine comprises: casing (1), support (2), central controller, electronic whiteboard (12), audio amplifier (13), arm (3), projector (4), Rotation Controllers (5), wherein: described central controller is integrated in casing (1), central controller electronic whiteboard (12) is embedded in casing (1) front surface, audio amplifier (13) is positioned at electronic whiteboard (12) two sides, described casing (1) is suspended on support (2), described arm (3) assigns on support (2), described projector (4) is suspended on arm (3) end, described projector (4) is connected with central controller by data line, described Rotation Controllers (5) and and central controller between realize radio communication, described multimedia all-in-one machine is powered by power lead (14).
2. rotating and projection multimedia all-in-one machine as claimed in claim 1, is characterized in that: described electronic whiteboard (12) is electromagnetic induction touch screen electronic whiteboard.
3. rotating and projection multimedia all-in-one machine as claimed in claim 1, is characterized in that: described projector (4) is zoom projector.
4. rotating and projection multimedia all-in-one machine as claimed in claim 1, is characterized in that: described support (2) comprises support column (21) and be positioned at the articles holding table (22) of support column (21) upper end and be fixed on the base (23) of support column (22) bottom, described base (23) has universal wheel (231).
5. rotating and projection multimedia all-in-one machine as claimed in claim 1, it is characterized in that: described arm (3) comprises vertical telescopic bar (31), horizontal extension bar (32), wherein: described vertical telescopic bar (31) is connected by buckle (33) with horizontal extension bar (32), described horizontal extension bar (32) is connected by multi-directional ball (34) with projector (4).
6. multimedia all-in-one machine as claimed in claim 1, it is characterized in that: described casing (1) side has extension interface (15), described extension interface is WiFi, USB, VGA, audio-video interface.
7. rotating and projection multimedia all-in-one machine as claimed in claim 1, is characterized in that: described Rotation Controllers (5) has control knob (51) and wave point (52).
8. rotating and projection multimedia all-in-one machine as claimed in claim 7, is characterized in that: described control knob (51) panel is provided with lifting button (511), flexible button (512), rotary knob (513).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410639326.9A CN104299465A (en) | 2014-11-13 | 2014-11-13 | Multimedia integrated machine with rotation projection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410639326.9A CN104299465A (en) | 2014-11-13 | 2014-11-13 | Multimedia integrated machine with rotation projection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104299465A true CN104299465A (en) | 2015-01-21 |
Family
ID=52319172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410639326.9A Pending CN104299465A (en) | 2014-11-13 | 2014-11-13 | Multimedia integrated machine with rotation projection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104299465A (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788383A (en) * | 2016-05-24 | 2016-07-20 | 华北理工大学 | Multifunctional demonstration audio-visual teaching equipment |
| CN106162423A (en) * | 2016-08-24 | 2016-11-23 | 合肥超赢工业设计有限公司 | A kind of stage audio amplifier being easy to regulation height and angle |
| CN106205224A (en) * | 2016-06-29 | 2016-12-07 | 武汉均姆机械设备有限公司 | A kind of distance for dais of imparting knowledge to students rotatable integration projector structure |
| CN106303480A (en) * | 2016-04-19 | 2017-01-04 | 广东丰光科技有限公司 | A kind of rotatable projector based on NB IOT agreement and control system thereof |
| CN106530860A (en) * | 2017-01-20 | 2017-03-22 | 马鞍山状元郎电子科技有限公司 | Interactive electronic white board display auxiliary apparatus |
| CN106681566A (en) * | 2017-01-20 | 2017-05-17 | 马鞍山状元郎电子科技有限公司 | Combined interactive electronic whiteboard |
| CN106814922A (en) * | 2017-01-20 | 2017-06-09 | 马鞍山状元郎电子科技有限公司 | One kind is used for infrared interactive electronic whiteboard |
| CN107993491A (en) * | 2017-12-19 | 2018-05-04 | 佛山市毅力机械制造有限公司 | A kind of science of law teaching projecting apparatus |
| CN108713862A (en) * | 2018-06-26 | 2018-10-30 | 安徽六启教育软件科技有限公司 | Teaching desk |
| CN108720267A (en) * | 2018-06-26 | 2018-11-02 | 安徽六启教育软件科技有限公司 | Audio video synchronization teaching desk |
| CN108777085A (en) * | 2018-06-26 | 2018-11-09 | 安徽六启教育软件科技有限公司 | Multimedia teaching desk |
| CN108813974A (en) * | 2018-06-26 | 2018-11-16 | 安徽六启教育软件科技有限公司 | Multifunction teaching desk |
| CN108813924A (en) * | 2018-06-26 | 2018-11-16 | 安徽六启教育软件科技有限公司 | Portable teaching desk |
| CN108813975A (en) * | 2018-06-26 | 2018-11-16 | 安徽六启教育软件科技有限公司 | Liftable teaching desk |
| CN109117026A (en) * | 2017-06-26 | 2019-01-01 | 上海易视计算机科技有限公司 | Project interactive device |
| CN109711694A (en) * | 2018-12-18 | 2019-05-03 | 武汉群泰自动化工程有限公司 | A kind of enterprise energy management method and device |
| CN110544398A (en) * | 2019-09-10 | 2019-12-06 | 郑州升达经贸管理学院 | Career planning employment guidance and entrepreneurship basic lecture assisting device |
| CN110928115A (en) * | 2019-12-16 | 2020-03-27 | 赵霄阳 | Commercial long-range projection arrangement |
| CN111828791A (en) * | 2020-07-27 | 2020-10-27 | 许昌学院 | Multimedia projection digital integrated machine |
| WO2021170144A1 (en) * | 2020-02-25 | 2021-09-02 | 青岛海信激光显示股份有限公司 | Laser projection device |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010139965A (en) * | 2008-12-15 | 2010-06-24 | Sakawa:Kk | Projector hanger for multifunctional board and multifunctional board including the same |
| CN201594168U (en) * | 2009-12-03 | 2010-09-29 | 陈国华 | Automatic lifting device for projector |
| CN201740965U (en) * | 2010-07-29 | 2011-02-09 | 北京鸿合盛视数字媒体技术有限公司 | Direction adjusting device used for projector |
| JP3170483U (en) * | 2011-07-07 | 2011-09-15 | 秋吉 穣 | White board with projector |
| US20120008104A1 (en) * | 2010-06-15 | 2012-01-12 | Promethean Limited | Mobile stand for interactive display system |
| CN202632590U (en) * | 2012-04-28 | 2012-12-26 | 上海理工大学 | Projection system for English learning |
| CN203102631U (en) * | 2013-02-01 | 2013-07-31 | 新乡职业技术学院 | Occupation training teaching aid based on sound, light and electricity integrated technology |
| CN203202536U (en) * | 2013-04-16 | 2013-09-18 | 北京魔力科技有限公司 | Short-focus projection bracket for electronic whiteboard |
| CN203689728U (en) * | 2014-02-14 | 2014-07-02 | 黑龙江工业学院 | Display apparatus used for industrial and commercial enterprise management teaching |
| CN203697770U (en) * | 2014-02-17 | 2014-07-09 | 黑河学院 | Multifunctional blackboard for Russian history teaching |
| CN203823367U (en) * | 2014-05-07 | 2014-09-10 | 无锡商业职业技术学院 | Projector adjusting device |
| CN203847963U (en) * | 2014-05-27 | 2014-09-24 | 卢玉 | Multimedia device for economic management major teaching |
| CN204155481U (en) * | 2014-11-13 | 2015-02-11 | 武汉联创恒业科技有限公司 | A kind of rotating and projection multimedia all-in-one machine |
-
2014
- 2014-11-13 CN CN201410639326.9A patent/CN104299465A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010139965A (en) * | 2008-12-15 | 2010-06-24 | Sakawa:Kk | Projector hanger for multifunctional board and multifunctional board including the same |
| CN201594168U (en) * | 2009-12-03 | 2010-09-29 | 陈国华 | Automatic lifting device for projector |
| US20120008104A1 (en) * | 2010-06-15 | 2012-01-12 | Promethean Limited | Mobile stand for interactive display system |
| CN201740965U (en) * | 2010-07-29 | 2011-02-09 | 北京鸿合盛视数字媒体技术有限公司 | Direction adjusting device used for projector |
| JP3170483U (en) * | 2011-07-07 | 2011-09-15 | 秋吉 穣 | White board with projector |
| CN202632590U (en) * | 2012-04-28 | 2012-12-26 | 上海理工大学 | Projection system for English learning |
| CN203102631U (en) * | 2013-02-01 | 2013-07-31 | 新乡职业技术学院 | Occupation training teaching aid based on sound, light and electricity integrated technology |
| CN203202536U (en) * | 2013-04-16 | 2013-09-18 | 北京魔力科技有限公司 | Short-focus projection bracket for electronic whiteboard |
| CN203689728U (en) * | 2014-02-14 | 2014-07-02 | 黑龙江工业学院 | Display apparatus used for industrial and commercial enterprise management teaching |
| CN203697770U (en) * | 2014-02-17 | 2014-07-09 | 黑河学院 | Multifunctional blackboard for Russian history teaching |
| CN203823367U (en) * | 2014-05-07 | 2014-09-10 | 无锡商业职业技术学院 | Projector adjusting device |
| CN203847963U (en) * | 2014-05-27 | 2014-09-24 | 卢玉 | Multimedia device for economic management major teaching |
| CN204155481U (en) * | 2014-11-13 | 2015-02-11 | 武汉联创恒业科技有限公司 | A kind of rotating and projection multimedia all-in-one machine |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303480A (en) * | 2016-04-19 | 2017-01-04 | 广东丰光科技有限公司 | A kind of rotatable projector based on NB IOT agreement and control system thereof |
| CN105788383B (en) * | 2016-05-24 | 2019-05-07 | 华北理工大学 | A kind of Multifunctional demonstrating electrical teaching equipment |
| CN105788383A (en) * | 2016-05-24 | 2016-07-20 | 华北理工大学 | Multifunctional demonstration audio-visual teaching equipment |
| CN106205224B (en) * | 2016-06-29 | 2019-02-26 | 上海坤澎信息科技有限公司 | A kind of rotatable integration projector structure of long range for dais of imparting knowledge to students |
| CN106205224A (en) * | 2016-06-29 | 2016-12-07 | 武汉均姆机械设备有限公司 | A kind of distance for dais of imparting knowledge to students rotatable integration projector structure |
| CN106162423A (en) * | 2016-08-24 | 2016-11-23 | 合肥超赢工业设计有限公司 | A kind of stage audio amplifier being easy to regulation height and angle |
| CN106681566A (en) * | 2017-01-20 | 2017-05-17 | 马鞍山状元郎电子科技有限公司 | Combined interactive electronic whiteboard |
| CN106530860A (en) * | 2017-01-20 | 2017-03-22 | 马鞍山状元郎电子科技有限公司 | Interactive electronic white board display auxiliary apparatus |
| CN106814922A (en) * | 2017-01-20 | 2017-06-09 | 马鞍山状元郎电子科技有限公司 | One kind is used for infrared interactive electronic whiteboard |
| CN109117026A (en) * | 2017-06-26 | 2019-01-01 | 上海易视计算机科技有限公司 | Project interactive device |
| CN109117026B (en) * | 2017-06-26 | 2021-07-13 | 上海易视计算机科技股份有限公司 | Projection interaction device |
| CN107993491A (en) * | 2017-12-19 | 2018-05-04 | 佛山市毅力机械制造有限公司 | A kind of science of law teaching projecting apparatus |
| CN108813974A (en) * | 2018-06-26 | 2018-11-16 | 安徽六启教育软件科技有限公司 | Multifunction teaching desk |
| CN108813975A (en) * | 2018-06-26 | 2018-11-16 | 安徽六启教育软件科技有限公司 | Liftable teaching desk |
| CN108813924A (en) * | 2018-06-26 | 2018-11-16 | 安徽六启教育软件科技有限公司 | Portable teaching desk |
| CN108777085A (en) * | 2018-06-26 | 2018-11-09 | 安徽六启教育软件科技有限公司 | Multimedia teaching desk |
| CN108720267A (en) * | 2018-06-26 | 2018-11-02 | 安徽六启教育软件科技有限公司 | Audio video synchronization teaching desk |
| CN108713862A (en) * | 2018-06-26 | 2018-10-30 | 安徽六启教育软件科技有限公司 | Teaching desk |
| CN109711694A (en) * | 2018-12-18 | 2019-05-03 | 武汉群泰自动化工程有限公司 | A kind of enterprise energy management method and device |
| CN110544398A (en) * | 2019-09-10 | 2019-12-06 | 郑州升达经贸管理学院 | Career planning employment guidance and entrepreneurship basic lecture assisting device |
| CN110928115A (en) * | 2019-12-16 | 2020-03-27 | 赵霄阳 | Commercial long-range projection arrangement |
| WO2021170144A1 (en) * | 2020-02-25 | 2021-09-02 | 青岛海信激光显示股份有限公司 | Laser projection device |
| CN111828791A (en) * | 2020-07-27 | 2020-10-27 | 许昌学院 | Multimedia projection digital integrated machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104299465A (en) | Multimedia integrated machine with rotation projection function | |
| CN204155481U (en) | A kind of rotating and projection multimedia all-in-one machine | |
| CN106723987B (en) | Intelligent platform | |
| CN201993923U (en) | Multimedia interactive teaching machine | |
| CN103000056A (en) | Multimedia intelligent interactive all-in-one machine for teaching | |
| CN202150192U (en) | Portable multimedia teaching integrated machine | |
| CN202523233U (en) | Wireless servo multimedia one-body machine | |
| CN204856947U (en) | Movable interactive teaching integrated system's support | |
| TWM499703U (en) | Power bank | |
| CN204104072U (en) | A kind of multimedia intelligent TV interactive all-in-one machine | |
| CN203260215U (en) | Interactive teaching system | |
| CN104317363A (en) | Mobile multimedia integrated machine | |
| CN210403135U (en) | Intelligent interactive information display electronic screen | |
| CN203325238U (en) | Multimedia audio and video projection acquisition play one-body machine | |
| CN209785287U (en) | Automatically controlled teaching system of cloud allies oneself with all-in-one is write to intelligence | |
| CN104157173A (en) | Multimedia mobile player | |
| CN203573510U (en) | Multimedia intelligent terminal | |
| CN105681729A (en) | Intelligent multimedia conference room control system | |
| CN204065940U (en) | A kind of electronic equipment | |
| CN203644236U (en) | Portable multimedia teaching system | |
| CN103279228A (en) | Touch display wall | |
| KR102355698B1 (en) | Multi-functional display device | |
| CN103309512A (en) | Touch-control display conference table | |
| CN202217403U (en) | Portable multimedia all-in-one machine | |
| CN104390335A (en) | Panel component of indoor unit of air conditioner, indoor unit of air conditioner and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |