Online examination anti-cheating device
The utility model discloses an on-line examination anti-cheating device which comprises an assembly box, a rotary table is rotatably connected to the upper portion of the assembly box, a camera is hinged to the upper surface of the rotary table, an extension frame is hinged to the lower surface of t...
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| creator | HUANG QIUYONG WANG SHI TANG AILONG |
| description | The utility model discloses an on-line examination anti-cheating device which comprises an assembly box, a rotary table is rotatably connected to the upper portion of the assembly box, a camera is hinged to the upper surface of the rotary table, an extension frame is hinged to the lower surface of the assembly box, a lead screw nut is arranged in the extension frame, and the lead screw nut is connected with the rotary table. Sliding columns are symmetrically arranged on the front face and the rear face of the lead screw nut, movable grooves are symmetrically formed in the front face and the rear face of the extending frame, the two sliding columns are sleeved with the two movable grooves correspondingly, and a trapezoidal lead screw is rotationally connected to the lower surface of the assembling box through a second bearing. The assembling box can be clamped and fixed to the side faces of displayers with different thicknesses, by arranging the extending frame and the abutting plate, the included angle betwee |
| format | Patent |
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Sliding columns are symmetrically arranged on the front face and the rear face of the lead screw nut, movable grooves are symmetrically formed in the front face and the rear face of the extending frame, the two sliding columns are sleeved with the two movable grooves correspondingly, and a trapezoidal lead screw is rotationally connected to the lower surface of the assembling box through a second bearing. The assembling box can be clamped and fixed to the side faces of displayers with different thicknesses, by arranging the extending frame and the abutting plate, the included angle betwee</description><language>chi ; eng</language><subject>BLASTING ; 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 ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; STANDS OR SUPPORTS ; THERMAL INSULATION IN GENERAL ; WEAPONS</subject><creationdate>2024</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=20240322&DB=EPODOC&CC=CN&NR=220647353U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25555,76308</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240322&DB=EPODOC&CC=CN&NR=220647353U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HUANG QIUYONG</creatorcontrib><creatorcontrib>WANG SHI</creatorcontrib><creatorcontrib>TANG AILONG</creatorcontrib><title>Online examination anti-cheating device</title><description>The utility model discloses an on-line examination anti-cheating device which comprises an assembly box, a rotary table is rotatably connected to the upper portion of the assembly box, a camera is hinged to the upper surface of the rotary table, an extension frame is hinged to the lower surface of the assembly box, a lead screw nut is arranged in the extension frame, and the lead screw nut is connected with the rotary table. Sliding columns are symmetrically arranged on the front face and the rear face of the lead screw nut, movable grooves are symmetrically formed in the front face and the rear face of the extending frame, the two sliding columns are sleeved with the two movable grooves correspondingly, and a trapezoidal lead screw is rotationally connected to the lower surface of the assembling box through a second bearing. The assembling box can be clamped and fixed to the side faces of displayers with different thicknesses, by arranging the extending frame and the abutting plate, the included angle betwee</description><subject>BLASTING</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>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>STANDS OR SUPPORTS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFD3z8vJzEtVSK1IzM3MSyzJzM9TSMwrydRNzkgF8vLSFVJSyzKTU3kYWNMSc4pTeaE0N4OSm2uIs4duakF-fGpxQWJyal5qSbyzn5GRgZmJubGpcWioMVGKAP85KNA</recordid><startdate>20240322</startdate><enddate>20240322</enddate><creator>HUANG QIUYONG</creator><creator>WANG SHI</creator><creator>TANG AILONG</creator><scope>EVB</scope></search><sort><creationdate>20240322</creationdate><title>Online examination anti-cheating device</title><author>HUANG QIUYONG ; WANG SHI ; TANG AILONG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN220647353UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2024</creationdate><topic>BLASTING</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>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>STANDS OR SUPPORTS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>HUANG QIUYONG</creatorcontrib><creatorcontrib>WANG SHI</creatorcontrib><creatorcontrib>TANG AILONG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HUANG QIUYONG</au><au>WANG SHI</au><au>TANG AILONG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Online examination anti-cheating device</title><date>2024-03-22</date><risdate>2024</risdate><abstract>The utility model discloses an on-line examination anti-cheating device which comprises an assembly box, a rotary table is rotatably connected to the upper portion of the assembly box, a camera is hinged to the upper surface of the rotary table, an extension frame is hinged to the lower surface of the assembly box, a lead screw nut is arranged in the extension frame, and the lead screw nut is connected with the rotary table. Sliding columns are symmetrically arranged on the front face and the rear face of the lead screw nut, movable grooves are symmetrically formed in the front face and the rear face of the extending frame, the two sliding columns are sleeved with the two movable grooves correspondingly, and a trapezoidal lead screw is rotationally connected to the lower surface of the assembling box through a second bearing. The assembling box can be clamped and fixed to the side faces of displayers with different thicknesses, by arranging the extending frame and the abutting plate, the included angle betwee</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING 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 HEATING LIGHTING MECHANICAL ENGINEERING STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL WEAPONS |
| title | Online examination anti-cheating device |
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