CN113217762A - Interactive display equipment of literary composition product - Google Patents

Interactive display equipment of literary composition product Download PDF

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Publication number
CN113217762A
CN113217762A CN202110492619.9A CN202110492619A CN113217762A CN 113217762 A CN113217762 A CN 113217762A CN 202110492619 A CN202110492619 A CN 202110492619A CN 113217762 A CN113217762 A CN 113217762A
Authority
CN
China
Prior art keywords
interactive display
base
telescopic rod
creations
display
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
Application number
CN202110492619.9A
Other languages
Chinese (zh)
Inventor
郑淼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bozhou University
Original Assignee
Bozhou University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bozhou University filed Critical Bozhou University
Priority to CN202110492619.9A priority Critical patent/CN113217762A/en
Publication of CN113217762A publication Critical patent/CN113217762A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
    • 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
    • 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
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • 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
    • F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
    • 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
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
    • G09F2027/001—Comprising a presence or proximity detector

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention discloses interactive display equipment for cultural and creative products, which comprises a mounting platform, four display mounting frames and four displays, wherein the four display mounting frames are respectively arranged at the upper end of the mounting platform in a pairwise symmetrical manner, and the displays are arranged on the display mounting frames; the central processing unit is arranged at the middle position of the displays which are symmetrical with each other pairwise; the bottom end of the mounting platform is provided with a rotating device; the lower end of the rotating device is provided with a lifting device, the lower end of the lifting device is provided with a base, and the bottom of the base is provided with a moving device; according to the invention, the rotating shaft, the motor, the driving gear and the driven gear are matched with each other for use, so that the equipment can rotate at a constant speed when in use, and eyeballs of people around can be attracted; by arranging the lifting device, a worker or a viewer can adjust the height of the equipment as required; by arranging the distance sensor, the display equipment can automatically enter a dormant state when no people pass through the display equipment for a long time.

Description

Interactive display equipment of literary composition product
Technical Field
The invention relates to the technical field of creative equipment, in particular to interactive display equipment for creative products.
Background
With the development of the times, people pay attention to the quality of life and improve the self-maintenance, and artworks gradually enter the lives of people; the creative product is an emerging industry which is generated under the background of economic globalization and takes creativity as a core, and emphasizes the extended product of intellectual property rights which is developed and marketed by depending on main culture or culture factors through technical, creative and industrialized modes; the propaganda and the display of the creative products adopt two modes, namely picture display and sale are carried out on the internet by the internet technology, and the sale of an entity store is appointed by paper or advertisement propaganda; the common display equipment adopts a static or fixed display mode, the related content is single, the information updating cost is high, and tourists or literary product purchasers cannot deeply know the content of the products.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the interactive display equipment for the cultural and creative products comprises a mounting platform, four display mounting frames and four displays, wherein the four display mounting frames are respectively mounted at the upper end of the mounting platform in a pairwise symmetrical mode, and the displays are mounted on the display mounting frames; the central processing unit is arranged at the middle position of the displays which are symmetrical with each other pairwise; the bottom end of the mounting platform is provided with a rotating device; the lifting device is installed to rotating device's lower extreme, the base is installed to lifting device's lower extreme, the mobile device is installed to the bottom of base.
Preferably, the mobile device includes the supporting seat that the symmetry set up, install the telescopic link between the supporting seat, spacing slide bar is installed to the lower extreme of telescopic link, be provided with the slide on the bracing piece, the both sides slidable mounting of spacing slide bar is in on the slide, the lower extreme of spacing slide bar is provided with the universal wheel mount pad, the universal wheel is installed to the bottom of universal wheel mount pad.
Preferably, the rotating device comprises a rotating shaft and a motor arranged at the top of the lifting device, a driving gear is mounted at the output end of the motor, the driving gear is meshed with a driven gear, and the driven gear is sleeved on the rotating shaft; and a protective cover is arranged on the outer side of the rotating device.
Preferably, the lifting device comprises a top plate, an air cylinder and a pneumatic telescopic rod, the pneumatic telescopic rod is arranged at the upper end of the base, the air cylinder is arranged at the central position of the upper end of the base, and the top plate is arranged at the top end of the pneumatic telescopic rod.
Preferably, the speakers are installed on two sides of the display screen installation frame.
Preferably, the protection cover is rectangular, and four surfaces of the protection cover are provided with control panels.
Preferably, the lower end of the base is provided with a distance sensor.
Has the advantages that: compared with the prior art, the invention has the beneficial effects that: according to the invention, the rotating shaft, the motor, the driving gear and the driven gear are matched with each other for use, so that the equipment can rotate at a constant speed when in use, and eyeballs of people around can be attracted; by arranging the lifting device, a worker or a viewer can adjust the height of the equipment as required; by arranging the distance sensor, the display equipment can automatically enter a dormant state when no people pass for a long time, so that the energy is saved and the environment is protected; by arranging the supporting seat, the telescopic rod, the slide way, the limiting slide rod, the universal wheel mounting seat and the universal wheel to be matched with each other, on one hand, when the telescopic rod drives the limiting slide rod to slide up and down along the slide way, the supporting seat is in contact with the ground, and the stability of the device is improved; on the other hand, when the equipment needs to move, the telescopic rod drives the limiting slide rod to move downwards, the universal wheel is in contact with the ground, the movement is convenient, and the burden of workers is reduced; by setting the control panel, the content on the display can be adjusted by the staff and the viewers through the control panel.
Drawings
Fig. 1 is an overall schematic view of an interactive display device for creative products according to the present invention.
Fig. 2 is a schematic structural diagram of an interactive display device for creative products according to the present invention.
Fig. 3 is a top view of an interactive display device for creative products.
In the drawings: the method comprises the following steps of 1-mounting a platform, 2-display mounting rack, 3-display, 4-distance sensor, 5-central processor, 6-base, 7-supporting seat, 8-telescopic rod, 9-slideway, 10-limiting slide rod, 11-universal wheel mounting seat, 12-universal wheel, 13-rotating shaft, 14-motor, 15-driving gear, 16-driven gear, 17-protective cover, 18-top plate, 19-cylinder, 20-pneumatic telescopic rod, 21-loudspeaker and 22-control panel.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Examples
Referring to the attached drawings of the specification, in the embodiment of the invention, the interactive display equipment for the cultural and creative products comprises a mounting platform 1, four display mounting frames 2 and four displays 3, wherein the four display mounting frames 2 are respectively arranged at the upper end of the mounting platform 1 in a pairwise symmetrical manner, and the displays 3 are arranged on the display mounting frames 2; the central processing units 5 are arranged at the middle positions of the displays 3 which are symmetrical with each other pairwise; the bottom end of the mounting platform 1 is provided with a rotating device; the lifting device is installed to rotating device's lower extreme, base 6 is installed to lifting device's lower extreme, mobile device is installed to the bottom of base 6.
Further, the moving device comprises supporting seats 7 which are symmetrically arranged, telescopic rods 8 are arranged between the supporting seats 7, a limiting slide rod 9 is arranged at the lower end of each telescopic rod 8, a slide way 10 is arranged on each supporting rod 8, two sides of each limiting slide rod 9 are slidably arranged on the slide ways 10, a universal wheel mounting seat 11 is arranged at the lower end of each limiting slide rod 9, and a universal wheel 12 is arranged at the bottom of each universal wheel mounting seat 11; through setting up the mobile device, make things convenient for the removal of equipment on the one hand, on the other hand can improve the stability of equipment.
Further, the rotating device comprises a rotating shaft 13 and a motor 14 arranged at the top of the lifting device, a driving gear 15 is mounted at the output end of the motor 14, the driving gear 15 is meshed with a driven gear 16, and the driven gear 16 is sleeved on the rotating shaft 13; a protective cover 17 is arranged on the outer side of the rotating device.
Further, the lifting device comprises a top plate 18, an air cylinder 19 and a pneumatic telescopic rod 20, the pneumatic telescopic rod 20 is arranged at the upper end of the base 6, the air cylinder 19 is arranged at the central position of the upper end of the base 6, and the top plate 18 is arranged at the top end of the pneumatic telescopic rod 20.
Further, speakers 21 are mounted on both sides of the display screen mounting frame 2.
Further, the protection cover 17 is rectangular, and four surfaces of the protection cover 17 are provided with control panels 22.
Furthermore, the lower end of the base 6 is provided with the distance sensor 4, when the equipment is watched without people for a long time, the distance sensor transmits 4 signals to the central processing unit 5, the display 3 enters a dormant state, when people approach, the distance sensor 4 transmits the signals to the central processing unit 5, and the display 3 continues playing, so that the effects of energy conservation, environmental protection and the like can be achieved.
The working principle is as follows: when the device is used, the device is moved to a using position, then the telescopic rod 8 is adjusted, the telescopic rod 8 drives the limiting slide rod 10 to move upwards, the universal wheels 12 are lifted off, and the supporting seat 7 is in contact with the ground to finish the placement of the device; after the equipment is placed stably, a switch is turned on, the content displayed by the display 3 is adjusted through the control panel 22, when no person watches the equipment for a long time, the display 3 automatically sleeps to stop playing, when a person approaches the equipment, the distance sensor 4 transmits information to the central processing unit 5, and the display 3 starts to continue playing;
in the process, the rotating shaft 13, the motor 14, the driving gear 15 and the driven gear 16 are matched with one another, so that the equipment can rotate at a constant speed when in use, and eyeballs of people around the equipment can be attracted; by arranging the lifting device, a worker or a viewer can adjust the height of the equipment as required; by arranging the distance sensor 4, the display equipment can automatically enter a dormant state when no people pass for a long time, so that the energy is saved and the environment is protected; by arranging the supporting seat 7, the telescopic rod 8, the slide way 9, the limiting slide rod 10, the universal wheel mounting seat 11 and the universal wheel 12 to be matched with each other, on one hand, when the telescopic rod 8 drives the limiting slide rod 10 to slide up and down along the slide way, the supporting seat 7 is in contact with the ground, and the stability of the device is improved; on the other hand, when the equipment needs to move, the telescopic rod 8 drives the limiting slide rod 10 to move downwards, the universal wheel 12 is in contact with the ground, the movement is convenient, and the burden of workers is reduced; by providing the control panel 22, the content on the display 3 can be adjusted by the staff and the viewer through the control panel 22.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations. The invention aims to provide interactive display equipment for creative products, which aims to solve the problems in the background art.

Claims (7)

1. The utility model provides an interactive display device of product is created to literary composition, includes mounting platform (1), four display mounting bracket (2) and four displays (3), its characterized in that: the four display mounting frames (2) are respectively arranged at the upper end of the mounting platform (1) in a pairwise symmetrical manner, and the displays (3) are arranged on the display mounting frames (2); a central processing unit (5) is arranged in the middle of the displays (3) which are symmetrical with each other pairwise; the bottom end of the mounting platform (1) is provided with a rotating device; the lifting device is installed to rotating device's lower extreme, base (6) are installed to lifting device's lower extreme, mobile device is installed to the bottom of base (6).
2. The interactive display device for cultural relics and creations as claimed in claim 1, wherein: the mobile device comprises a supporting seat (7) which is symmetrically arranged, a telescopic rod (8) is installed between the supporting seat (7), a limiting slide rod (9) is installed at the lower end of the telescopic rod (8), a slide way (10) is arranged on the supporting rod (8), two sides of the limiting slide rod (9) are slidably installed on the slide way (10), a universal wheel mounting seat (11) is arranged at the lower end of the limiting slide rod (9), and a universal wheel (12) is installed at the bottom of the universal wheel mounting seat (11).
3. The interactive display device for cultural relics and creations as claimed in claim 1, wherein: the rotating device comprises a rotating shaft (13) and a motor (14) arranged at the top of the lifting device, a driving gear (15) is installed at the output end of the motor (14), the driving gear (15) is meshed with a driven gear (16), and the driven gear (16) is sleeved on the rotating shaft (13); and a protective cover (17) is arranged on the outer side of the rotating device.
4. The interactive display device for cultural relics and creations as claimed in claim 1, wherein: the lifting device comprises a top plate (18), an air cylinder (19) and a pneumatic telescopic rod (20), wherein the pneumatic telescopic rod (20) is arranged at the upper end of the base (6), the air cylinder (19) is arranged at the central position of the upper end of the base (6), and the top plate (18) is arranged at the top end of the pneumatic telescopic rod (20).
5. The interactive display device for cultural relics and creations as claimed in claim 1, wherein: and loudspeakers (21) are installed on two sides of the display screen installation rack (2).
6. The interactive display device for cultural relics and creations as claimed in claim 3, wherein: the safety cover (17) is rectangular, and control panels (22) are arranged on four faces of the safety cover (17).
7. The interactive display device for cultural relics and creations as claimed in claim 1, wherein: the lower end of the base (6) is provided with a distance sensor (4).
CN202110492619.9A 2021-04-29 2021-04-29 Interactive display equipment of literary composition product Pending CN113217762A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110492619.9A CN113217762A (en) 2021-04-29 2021-04-29 Interactive display equipment of literary composition product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110492619.9A CN113217762A (en) 2021-04-29 2021-04-29 Interactive display equipment of literary composition product

Publications (1)

Publication Number Publication Date
CN113217762A true CN113217762A (en) 2021-08-06

Family

ID=77091345

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110492619.9A Pending CN113217762A (en) 2021-04-29 2021-04-29 Interactive display equipment of literary composition product

Country Status (1)

Country Link
CN (1) CN113217762A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113518241A (en) * 2021-09-07 2021-10-19 北京笔中展览展示有限公司 Exhibition hall XR (X-ray fluorescence) interactive live broadcast system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007322592A (en) * 2006-05-31 2007-12-13 Nihon Form Service Co Ltd Monitor stand
CN207290118U (en) * 2017-09-26 2018-05-01 孔祥增 A kind of product introduction robot
CN209977636U (en) * 2019-04-11 2020-01-21 深圳市安途瑞鸿科技有限公司 OLED display screen moving mechanism
CN211181596U (en) * 2020-03-19 2020-08-04 蔡铖 Electric power marketing propaganda display device
CN211380606U (en) * 2019-10-21 2020-09-01 苏州琼泽精密机械科技有限公司 Show shelf is used in electronic product sale
CN211827615U (en) * 2020-03-17 2020-10-30 淮北师范大学 Interactive display device of college english teaching
CN212322447U (en) * 2020-06-10 2021-01-08 江西现代职业技术学院 Novel english teaching device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007322592A (en) * 2006-05-31 2007-12-13 Nihon Form Service Co Ltd Monitor stand
CN207290118U (en) * 2017-09-26 2018-05-01 孔祥增 A kind of product introduction robot
CN209977636U (en) * 2019-04-11 2020-01-21 深圳市安途瑞鸿科技有限公司 OLED display screen moving mechanism
CN211380606U (en) * 2019-10-21 2020-09-01 苏州琼泽精密机械科技有限公司 Show shelf is used in electronic product sale
CN211827615U (en) * 2020-03-17 2020-10-30 淮北师范大学 Interactive display device of college english teaching
CN211181596U (en) * 2020-03-19 2020-08-04 蔡铖 Electric power marketing propaganda display device
CN212322447U (en) * 2020-06-10 2021-01-08 江西现代职业技术学院 Novel english teaching device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113518241A (en) * 2021-09-07 2021-10-19 北京笔中展览展示有限公司 Exhibition hall XR (X-ray fluorescence) interactive live broadcast system
CN113518241B (en) * 2021-09-07 2021-12-14 北京笔中展览展示有限公司 Exhibition hall XR (X-ray fluorescence) interactive live broadcast system

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Application publication date: 20210806

RJ01 Rejection of invention patent application after publication