CN112289084A - 一种便于调节的多媒体教学设备 - Google Patents
一种便于调节的多媒体教学设备 Download PDFInfo
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- CN112289084A CN112289084A CN202011214139.8A CN202011214139A CN112289084A CN 112289084 A CN112289084 A CN 112289084A CN 202011214139 A CN202011214139 A CN 202011214139A CN 112289084 A CN112289084 A CN 112289084A
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- CN
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- Prior art keywords
- roller
- gear
- fixedly connected
- column
- projection
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- 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.)
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Classifications
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- 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
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- 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
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011214139.8A CN112289084B (zh) | 2020-11-04 | 2020-11-04 | 一种便于调节的多媒体教学设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011214139.8A CN112289084B (zh) | 2020-11-04 | 2020-11-04 | 一种便于调节的多媒体教学设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112289084A true CN112289084A (zh) | 2021-01-29 |
CN112289084B CN112289084B (zh) | 2022-04-29 |
Family
ID=74351244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202011214139.8A Active CN112289084B (zh) | 2020-11-04 | 2020-11-04 | 一种便于调节的多媒体教学设备 |
Country Status (1)
Country | Link |
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CN (1) | CN112289084B (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106254369A (zh) * | 2016-04-19 | 2016-12-21 | 广东丰光科技有限公司 | 一种基于tcp/ip协议的可旋转投影仪及其控制系统 |
CN106950781A (zh) * | 2017-04-21 | 2017-07-14 | 芜湖威灵数码科技有限公司 | 易调节的全息投影设备 |
CN206441415U (zh) * | 2017-01-20 | 2017-08-25 | 黄维民 | 一种物理实验样品展示装置 |
CN107906310A (zh) * | 2017-11-24 | 2018-04-13 | 郑州涵莱智能科技有限公司 | 一种智能投影仪的高度调节装置 |
JP2018109729A (ja) * | 2017-01-04 | 2018-07-12 | 克一 村山 | 地球儀 |
CN109270776A (zh) * | 2018-12-10 | 2019-01-25 | 郑州航空工业管理学院 | 一种播放历史内容增加趣味的可全面调节教学投影仪 |
CN111445731A (zh) * | 2020-05-18 | 2020-07-24 | 衡阳师范学院 | 一种远程高等教育用计算机投影装置 |
-
2020
- 2020-11-04 CN CN202011214139.8A patent/CN112289084B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106254369A (zh) * | 2016-04-19 | 2016-12-21 | 广东丰光科技有限公司 | 一种基于tcp/ip协议的可旋转投影仪及其控制系统 |
JP2018109729A (ja) * | 2017-01-04 | 2018-07-12 | 克一 村山 | 地球儀 |
CN206441415U (zh) * | 2017-01-20 | 2017-08-25 | 黄维民 | 一种物理实验样品展示装置 |
CN106950781A (zh) * | 2017-04-21 | 2017-07-14 | 芜湖威灵数码科技有限公司 | 易调节的全息投影设备 |
CN107906310A (zh) * | 2017-11-24 | 2018-04-13 | 郑州涵莱智能科技有限公司 | 一种智能投影仪的高度调节装置 |
CN109270776A (zh) * | 2018-12-10 | 2019-01-25 | 郑州航空工业管理学院 | 一种播放历史内容增加趣味的可全面调节教学投影仪 |
CN111445731A (zh) * | 2020-05-18 | 2020-07-24 | 衡阳师范学院 | 一种远程高等教育用计算机投影装置 |
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CN112289084B (zh) | 2022-04-29 |
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Effective date of registration: 20230712 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: No.30 Mishan Road, Zhoucun District, Zibo City, Shandong Province 255300 Patentee before: SHANDONG VOCATIONAL College OF LIGHT INDUSTRY Effective date of registration: 20230712 Address after: Room B1301, 13th Floor, Building 1, No. 2816 Yixian Road, Baoshan District, Shanghai, 200000 Patentee after: Shanghai Prospect Network Technology Co.,Ltd. Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. |
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