Multimedia demonstration device
The utility model provides a multimedia demonstration device, which relates to the technical field of projectors and comprises a first adjusting component and a projection component, mapping components assembled by bolts are arranged on two sides of the upper part of the first adjusting component, a...
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| creator | YANG AIJUN MENG HONGFEI |
| description | The utility model provides a multimedia demonstration device, which relates to the technical field of projectors and comprises a first adjusting component and a projection component, mapping components assembled by bolts are arranged on two sides of the upper part of the first adjusting component, and a second adjusting component assembled by bolts is arranged on the inner side of the upper part of the first adjusting component; according to the utility model, the projection assembly carried on the fixing component can be flexibly adjusted and operated according to teaching requirements under the common operation of the first adjusting component and the second adjusting component, and the sizes of the mapping assemblies on the two sides above the first adjusting component are close to the length of the second adjusting component. Therefore, when an observer is difficult to clear an observation image, the projection assembly runs to a position difficult to observe under the joint cooperation of the first adjus |
| format | Patent |
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Therefore, when an observer is difficult to clear an observation image, the projection assembly runs to a position difficult to observe under the joint cooperation of the first adjus</description><language>chi ; eng</language><subject>ACCESSORIES THEREFOR ; ADVERTISING ; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES ; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM ; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE ; BLASTING ; CINEMATOGRAPHY ; CRYPTOGRAPHY ; DIAGRAMS ; DISPLAY ; EDUCATION ; EDUCATIONAL OR DEMONSTRATION APPLIANCES ; ELECTROGRAPHY ; ENGINEERING ELEMENTS AND UNITS ; FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; GLOBES ; HEATING ; HOLOGRAPHY ; LIGHTING ; MECHANICAL ENGINEERING ; PHOTOGRAPHY ; PHYSICS ; PLANETARIA ; SEALS ; STANDS OR SUPPORTS ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230704&DB=EPODOC&CC=CN&NR=219300419U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230704&DB=EPODOC&CC=CN&NR=219300419U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YANG AIJUN</creatorcontrib><creatorcontrib>MENG HONGFEI</creatorcontrib><title>Multimedia demonstration device</title><description>The utility model provides a multimedia demonstration device, which relates to the technical field of projectors and comprises a first adjusting component and a projection component, mapping components assembled by bolts are arranged on two sides of the upper part of the first adjusting component, and a second adjusting component assembled by bolts is arranged on the inner side of the upper part of the first adjusting component; according to the utility model, the projection assembly carried on the fixing component can be flexibly adjusted and operated according to teaching requirements under the common operation of the first adjusting component and the second adjusting component, and the sizes of the mapping assemblies on the two sides above the first adjusting component are close to the length of the second adjusting component. Therefore, when an observer is difficult to clear an observation image, the projection assembly runs to a position difficult to observe under the joint cooperation of the first adjus</description><subject>ACCESSORIES THEREFOR</subject><subject>ADVERTISING</subject><subject>APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES</subject><subject>APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM</subject><subject>APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE</subject><subject>BLASTING</subject><subject>CINEMATOGRAPHY</subject><subject>CRYPTOGRAPHY</subject><subject>DIAGRAMS</subject><subject>DISPLAY</subject><subject>EDUCATION</subject><subject>EDUCATIONAL OR DEMONSTRATION APPLIANCES</subject><subject>ELECTROGRAPHY</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>GLOBES</subject><subject>HEATING</subject><subject>HOLOGRAPHY</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><subject>PLANETARIA</subject><subject>SEALS</subject><subject>STANDS OR SUPPORTS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJD3Lc0pycxNTclMVEhJzc3PKy4pSizJzM8D8soyk1N5GFjTEnOKU3mhNDeDkptriLOHbmpBfnxqcUFicmpeakm8s5-RoaWxgYGJoWVoqDFRigCiMyYW</recordid><startdate>20230704</startdate><enddate>20230704</enddate><creator>YANG AIJUN</creator><creator>MENG HONGFEI</creator><scope>EVB</scope></search><sort><creationdate>20230704</creationdate><title>Multimedia demonstration device</title><author>YANG AIJUN ; MENG HONGFEI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN219300419UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2023</creationdate><topic>ACCESSORIES THEREFOR</topic><topic>ADVERTISING</topic><topic>APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES</topic><topic>APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM</topic><topic>APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE</topic><topic>BLASTING</topic><topic>CINEMATOGRAPHY</topic><topic>CRYPTOGRAPHY</topic><topic>DIAGRAMS</topic><topic>DISPLAY</topic><topic>EDUCATION</topic><topic>EDUCATIONAL OR DEMONSTRATION APPLIANCES</topic><topic>ELECTROGRAPHY</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>GLOBES</topic><topic>HEATING</topic><topic>HOLOGRAPHY</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><topic>PLANETARIA</topic><topic>SEALS</topic><topic>STANDS OR SUPPORTS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>YANG AIJUN</creatorcontrib><creatorcontrib>MENG HONGFEI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YANG AIJUN</au><au>MENG HONGFEI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Multimedia demonstration device</title><date>2023-07-04</date><risdate>2023</risdate><abstract>The utility model provides a multimedia demonstration device, which relates to the technical field of projectors and comprises a first adjusting component and a projection component, mapping components assembled by bolts are arranged on two sides of the upper part of the first adjusting component, and a second adjusting component assembled by bolts is arranged on the inner side of the upper part of the first adjusting component; according to the utility model, the projection assembly carried on the fixing component can be flexibly adjusted and operated according to teaching requirements under the common operation of the first adjusting component and the second adjusting component, and the sizes of the mapping assemblies on the two sides above the first adjusting component are close to the length of the second adjusting component. Therefore, when an observer is difficult to clear an observation image, the projection assembly runs to a position difficult to observe under the joint cooperation of the first adjus</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ACCESSORIES THEREFOR ADVERTISING APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE BLASTING CINEMATOGRAPHY CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES ELECTROGRAPHY ENGINEERING ELEMENTS AND UNITS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GLOBES HEATING HOLOGRAPHY LIGHTING MECHANICAL ENGINEERING PHOTOGRAPHY PHYSICS PLANETARIA SEALS STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL WEAPONS |
| title | Multimedia demonstration device |
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