WO2006102803A1 - Procede et dispositif pour la commande d’un affichage publicitaire a l’aide d’un modulateur de lumiere - Google Patents

Procede et dispositif pour la commande d’un affichage publicitaire a l’aide d’un modulateur de lumiere Download PDF

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Publication number
WO2006102803A1
WO2006102803A1 PCT/CN2005/001482 CN2005001482W WO2006102803A1 WO 2006102803 A1 WO2006102803 A1 WO 2006102803A1 CN 2005001482 W CN2005001482 W CN 2005001482W WO 2006102803 A1 WO2006102803 A1 WO 2006102803A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid crystal
light valve
advertisement
advertisements
controlling display
Prior art date
Application number
PCT/CN2005/001482
Other languages
English (en)
Chinese (zh)
Inventor
Peihua Zhou
Suyuan Wang
Huajie Wang
Original Assignee
Peihua Zhou
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
Priority claimed from CNB2005100653140A external-priority patent/CN100338640C/zh
Application filed by Peihua Zhou filed Critical Peihua Zhou
Publication of WO2006102803A1 publication Critical patent/WO2006102803A1/fr

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/24—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the advertising or display material forming part of a moving band, e.g. in the form of perforations, prints, or transparencies
    • G09F11/29—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the advertising or display material forming part of a moving band, e.g. in the form of perforations, prints, or transparencies of a band other than endless
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/12—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being carried by endless belts, chains, or the like
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/18—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being carried by belts, chains, or the like other than endless
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/24—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the advertising or display material forming part of a moving band, e.g. in the form of perforations, prints, or transparencies
    • G09F11/26—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the advertising or display material forming part of a moving band, e.g. in the form of perforations, prints, or transparencies of an endless band
    • 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
    • G09F9/35—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 being liquid crystals

Definitions

  • the present invention relates to an advertising light box, and more particularly to a method and apparatus for controlling display advertisements using a light valve.
  • BACKGROUND OF THE INVENTION Conventional outdoor large-scale advertisements generally adopt a method of fixedly attaching an advertisement image to a wall surface, and the disadvantage is that the advertisement capacity is small and the content is single; in order to increase the advertisement capacity, the advertisement is wrapped on the drum, and the motor is driven by the forward and reverse motors.
  • each advertisement screen has the opportunity to display, so as to reduce the unity and increase the amount of advertising;
  • the shortcoming is that the most end of the advertisement was last displayed in the previous round, and immediately after the reversal, the next round
  • the first to show so that the time interval between two displays of the same picture is too short, the effect is affected compared to other positions of the ad.
  • this form of advertising may be instinctively resistant to the advertising audience because it is exposed when the picture is changed.
  • outdoor advertising in recent years, that is, the use of outdoor large-screen TV screens, outdoor LED advertisements, etc. These advertisements have a large amount of information and good dynamic performance, but they have defects such as high cost and short life.
  • the technical problem to be solved by the present invention is to provide a method and device for large-scale outdoor advertising, which has lower cost and lower use cost, and can minimize the resistance of the advertising audience to the advertisement, and can ensure each An ad has a uniform impression and interval.
  • the above technical problem of the present invention is solved by constructing a method for displaying an advertisement by using a light width control, comprising the steps of: controlling an advertisement display by a light valve switch, changing a screen during a light valve off period, and displaying a screen during a light valve opening period;
  • the light valve switch is a controlled liquid crystal conductive glass or liquid crystal polymer film.
  • Another technical problem of the present invention is to solve the problem of constructing a device for controlling display advertisement by using a light valve, comprising a box body, an advertisement display device and a lighting device mounted in the box body, and the liquid crystal conductive glass or liquid crystal is mounted on the front surface of the box body.
  • Molecular film also including liquid crystal conductive glass mounted on the front side
  • the advertisement display apparatus includes an annular advertisement roller blind composed of a plurality of frames, and further includes a driving device for causing the circular advertisement roller blind to circulate in a one-way operation by driving the connecting means.
  • the driving device in the advertising display device is driven to be high with the front liquid crystal conductive glass or liquid crystal
  • the relative advertising frame of the molecular film just moves the width of one frame or multiple integer frames.
  • the adjacent two advertisement frames of the circular advertisement roller blind are movably connected by a nylon adhesive tape, a snap fastener, and a zipper.
  • the driving apparatus includes an active drum and a plurality of idlers with sprocket, and two ends of the closed loop formed by the active drum and the plurality of belt sprocket rollers A conveyor chain with a right angle side is respectively provided, and the active drum is driven by a motor through a speed reducer and a sprocket.
  • a nylon adhesive tape is respectively disposed on both sides of the circular advertising roller blind, and two sides of the circular-rolling roller blind are respectively disposed on a right-angled side of the conveying chain Nylon adhesive tape bonded nylon tape.
  • a tab is provided on each of the interval of the frame on the transport chain, and a limit switch that can be triggered by the tab is further included.
  • the plurality of rollers are divided into upper and lower portions of the casing, wherein each of the roller segments with the sprocket mounted on the upper portion is mounted in the casing through the bearing housing.
  • each of the sprocket idler segments mounted on the lower portion is mounted under the casing by a positioning device, and the positioning device includes a weight device.
  • an outer surface of the liquid crystal conductive glass or the liquid crystal polymer film is further provided with an organic transparent glass layer, and the liquid crystal conductive glass or liquid crystal polymer film is provided with an obliquely thinner A regular light pattern or text pattern composed of stripes.
  • the driving device in the above advertising display device comprises an upper and a lower driving motor and a speed reducer, wherein the upper and lower driving motors and the speed reducer are respectively connected with the upper and lower reels, and the two ends of the ductile cloth surface are respectively fixed with the upper and lower reels.
  • the advertising screen is directly sprayed on the cloth surface or printed on another soft flat material, and then adhered to the cloth surface.
  • the driving device in the above advertising display device further includes positioning means for positioning the cloth surface to be a plane parallel to the front panel of the cabinet.
  • the above positioning device includes an adjustment spring for the pressure sensor for automatically adjusting the tension of the canvas.
  • the above cloth surface is a safety mesh cloth.
  • an advertisement canvas counting monitoring point is provided at a predetermined interval.
  • the device for displaying display advertisements by using the light valve provides a brand-new device for outdoor large-scale advertisements, has lower cost than the outdoor video wall advertisement, and can minimize the resistance of the advertisement audience to the advertisement, Traditional outdoor advertising has more advertising capacity and changes. At the same time, it also provides a technical solution for the fairness of advertisers' advertising effects.
  • each advertisement has a uniform display and interval. Since the liquid crystal conductive glass or the liquid crystal germanium molecular film can be preliminarily provided with a constant light transmission pattern or a character pattern formed by oblique thin strips, so that the entire light valve is in an opaque closed state, the opaque light transmission state can also be seen.
  • the graphics and graphics or text graphics enhance the advertising performance.
  • the present invention can also realize the following functions through the CPU: it can accommodate multiple poster pictures; the canvas is free from any force, and there is no phenomenon of painting and pulling; the display time of each canvas is adjustable from 1 to 256 seconds; the system itself With clock function, automatic precise travel time; If the system is abnormal, continuous rotation for 20 seconds, the system will start self-protection function, automatically stop running; Microcomputer chip program control; Especially equipped with light box power-off reset function, to ensure that the picture is complete when the power is off One frame stays on the window of the light box.
  • FIG. 1 is a schematic structural view of an embodiment of an apparatus for controlling display advertisement using a light valve according to the present invention
  • FIG. 2 is a schematic side view of the embodiment of FIG.
  • FIG. 3 is a schematic structural diagram of a transmission chain in another embodiment of the present invention
  • FIG. 4 is a schematic diagram showing a connection structure between a transmission chain and an advertisement frame
  • Figure 5 is a schematic diagram of the connection structure of the advertisement frame.
  • FIG. 6 is a schematic perspective view showing another embodiment of the present invention.
  • Figure 7 is an enlarged schematic view of A in Figure 6;
  • Figure 8 is a side view showing the driving device in the advertisement display device of the present invention
  • 9 is a side view showing a driving device in an advertising display device with a backlight according to the present invention
  • FIG. 10 Schematic diagram of the circuit principle of the invention.
  • Figure 11 is a schematic view showing a normally light-transmitting pattern composed of oblique fine streaks on a liquid crystal conductive glass or a liquid crystal polymer film.
  • 1 is a positioning device
  • 2 is an electric motor
  • 3 is a speed reducer
  • 4 is a large gear
  • 5 is a rotating drum
  • 6 is a sprocket
  • 7 is an advertising roller blind
  • 8 is Plexiglass
  • 9 is the oblique strip forming the image
  • 10 is the box
  • 11 is the bearing seat
  • 12 is the lower roller with the sprocket
  • 13 is the limit switch
  • 14 is the conveyor chain
  • 15 is the lamp
  • 16 is Liquid crystal conductive glass or liquid crystal polymer film
  • 17 is a connecting device between the frames (nylon adhesive tape)
  • 18 is a right angle side of the chain 14 side
  • 19 is a nylon adhesive tape mounted on the chain 14
  • 20 is a heat dissipation window
  • 21 is The advertising frame
  • 22 is a tab
  • 23 is a rivet
  • 24 is a nylon tape on both sides of the advertising roller blind
  • 25 is an upper roller
  • 301 a front light
  • 302 a display
  • 303 an adjustment button
  • an embodiment of an apparatus and method for displaying advertisements by using a wide-width control of the present invention is an advertisement machine capable of automatically converting an advertisement screen, which can present an advertisement picture.
  • the maximum size of the frame can reach 15 meters * 40 meters, and the changeable advertising screen can be in the range of 3-60.
  • the main body of the advertising device of the embodiment of the present invention is a casing 10 that can be installed outdoors.
  • the casing 10 is decorated with a metal frame and an aluminum alloy plate or a stainless steel plate.
  • the front surface of the frame 10 is provided with liquid crystal conductive glass or liquid crystal.
  • the polymer film 16 and the back surface of the case 10 are heat dissipation windows 20.
  • the organic glass 8 is added as a protection.
  • the entire liquid crystal conductive glass or the liquid crystal polymer film 16 is opaque, and is milky white or other color, as the electronically controlled curtain is closed, and the exterior can only be externally If you see the curtains and you can't see the scene in the room; if the liquid crystal conductive glass or liquid crystal polymer film 16 is pre-arranged with a pattern or text design, as shown in Fig.
  • the diagonal strips constituting the pattern or the text 9 Under normal light transmission, the light inside the box is faintly reflected from the oblique stripe, and the internal rotating frame may also change the brightness of the light, and a normally transparent pattern is arranged on the liquid crystal conductive glass or the liquid crystal polymer film 16. Or a portion other than the text is milky white or other color to attract the attention of the passerby; when the liquid crystal conductive glass or the liquid crystal polymer film 16 is added with the second electronic control signal, the liquid crystal conductive glass or the liquid crystal polymer film 16 is instantaneous. It becomes transparent, so that the exterior can completely see the advertisement screen installed in the cabinet 10; here, the electronically controlled liquid crystal conductive glass or liquid crystal is high.
  • the advertising screen in the control box Like the light valve, whether the advertising screen in the control box "sees the light", the advertising screen is changed during the closing period of the light valve, and the display time of each advertisement is controlled by the time when the light valve is opened.
  • the time for each opening of the light valve can be controlled to 3-60 seconds as needed, and the time for each closing of the light valve is controlled between 0.5 and 10 seconds, since the diaphragm is turned from off to off or from off to on.
  • the switching time is very short, and the switching can be completed in milliseconds. It does not cause the viewer to have a rejection because of the changing picture.
  • the sudden appearance of the new picture will give some magical illusion. In other words, different pictures.
  • the alternating appearance and the design of the closed cold field in the alternation make the advertisement display mysterious and diverse.
  • the invention utilizes the characteristics of sudden opening and closing of the light valve to enhance the interest of the visual effect of the advertisement.
  • a fluorescent lamp or a spotlight 15 as a lighting device is mounted around the front side of the frame of the casing 10.
  • the liquid crystal conductive glass or liquid crystal polymer film which functions as a light-emitting valve and its electronic control device belong to the prior art, and will not be further described in the present application.
  • the advertisement display device installed in the cabinet 10 includes an advertisement roller blind 7 which is unidirectionally cycled by a limited number of advertisement frames 21 (Fig. 3), in order to constitute a plurality of advertisement screens into the advertisement roller blind 7, as shown in the figure 5, the advertising roller blind 7 is composed of a plurality of advertising frames, and two adjacent painting frames can be connected by a nylon adhesive tape 17 or other connection means (such as a zipper, etc.) to facilitate replacement and ensure the connection strength.
  • a nylon tape 24 is provided on both sides of the advertising roller blind 7 for engaging the nylon tape on both sides of the conveying chain 14.
  • the transmission system for driving the advertising roller blind 7 to perform the one-way circulation operation includes a motor 2 installed in the casing 10, a speed reducer 3 mounted on the rotating shaft of the motor 2, and a large gear 4 coupled to the output of the speed reducer 3;
  • the gear 4 is coaxial with the rotating drum 5.
  • the two ends of the rotating drum 5 are respectively provided with sprocket wheels 6 for engaging with the conveying chain 14 on both sides of the advertising roller blind 7, and are driven to hang on the conveying chain 14 to advertise the roller blind 7 in one direction. Cycling movement. As shown in FIG.
  • a positioning device 1 is further disposed on the bottom surface of the casing 10; on the top surface of the casing 10, seven upper rollers 25 with sprocket wheels at both ends are sequentially mounted on the top surface of the casing 10 through the bearing housing 11.
  • the sprocket on each of the rollers 25 is for engaging the conveying chain 14, and correspondingly, on the bottom surface of the casing 10, five lower rollers 12 with sprocket wheels are mounted.
  • the motor 2 drives the drum 5 through the speed reducer 3 and the sprocket 6, and the transport chain 14 forms a one-way circulation loop by the sprocket 6 and the sprocket on the upper idler roller 25 and the sprocket on the lower idler roller 12.
  • the deformation is reduced, and each of the rollers with the roller can be a segmented structure.
  • the driving device for driving the advertising roller blind comprises an active drum 5, a driven upper idler roller 25 and a lower idler roller 12 with a sprocket, and through the active rotary drum 5
  • the plurality of rollers 12, 25 form a closed-loop conveying chain 14, and the inner side of the chain 14 is respectively provided with right-angled edges 18, and the right-angled edges are respectively separated by aluminum rivets 23 to be bonded with the nylon adhesive tapes 24 on both sides of the annular advertising roller blind.
  • Nylon adhesive tape 19 such that when the transfer chain 14 is unidirectionally traveling, the nylon adhesive tape 19 fixed by the rivet on the right-angled edge 18 of the chain 14 and the nylon on both sides of the advertising frame 21 engaged with the nylon adhesive tape 19
  • the adhesive tape 24 is such that the advertising roller blind 7 composed of the advertising frame 21 is unidirectionally cycled with the conveying chain 14.
  • each of the advertising frames 21 constituting the advertising roller blind 7 has the same size, as long as the conveying chain 14 is driven, the advertising roller blind 7 fixed on the right-angled edge 18 of the chain 14 by the engaging nylon adhesive tape also follows the chain 14
  • the transmission, controlling the walking length of the chain, can precisely control the advertising roller blind 7 to unidirectionally cycle into a complete loop.
  • the drum 5 is directly driven by the motor 2 to be driven and powered.
  • the rollers are all driven.
  • this one-way cycle drive can also have many different designs.
  • the sheet 22 further includes a limit switch 13 that can be triggered by the tab 22, so that the limit switch 13 can be used to control the precision walking of the advertising frame.
  • the structure of the limit switch 13 triggered by the above-mentioned tab 22 can also be automatically and accurately positioned by the central processing unit and the automatic control circuit, so that the structure of the limit switch 13 triggered by the tab 22 can be cancelled.
  • the front surface of the substrate 10 is provided with a liquid crystal conductive glass or a liquid crystal polymer film 16, and an electronic control device (not shown) for controlling the light-transmitting or opaque light valve of the liquid crystal conductive glass or the liquid crystal polymer film 16.
  • the driving device in the above advertising display device comprises an upper scrolling device 27 and a lower scrolling device 28, upper and lower driving motors 281, 278 and a speed reducer, upper and lower driving motors 281, 278 and a speed reducer respectively corresponding to the upper and lower reels 272 and 282 are connected, and the two ends of the ductile fabric are respectively fixed to the upper and lower reels 272 and 282, and the advertisement screen is printed on the plastic advertisement canvas through the double-sided glue 2732 on the safety mesh cloth 273.
  • the advertising screen can also be sprayed directly onto the safety mesh surface 273.
  • the driving device in the above advertising display device further includes positioning wheels 274, 284 for positioning the safety mesh cloth 273 to be a plane parallel to the front panel of the casing 10, and the positioning wheels 274, 284 pass the positioning wheel bracket 275. 285 is connected to the inner side of the casing 10.
  • the above-configured integral casing 10 is passed through a bracket 29 composed of a casing support rod 292, a column 293 and a fixed crossbar 294, and a water guide 291 is provided at the upper end of the bracket 29 for waterproofing.
  • an advertisement canvas counting monitoring point 2731 is provided at a predetermined interval, and a light sensor (not shown) is arranged in front of the counting monitoring point 2731.
  • the controller 305 receives the data of the count monitoring points sensed by the photo sensor, and the control screens are displayed in a predetermined screen order.
  • a heat dissipation window 20 is formed on the surface of the casing 10.
  • the driving device in the advertising display device makes the advertising image frame opposite to the front liquid crystal conductive glass or the liquid crystal polymer film 16 move exactly one screen. Or the width of an integer multiple frames.
  • FIG. 9 is substantially the same in basic structure as FIG. 7, except that The lower tensioning device 287 and the upper tensioning device 277 are respectively disposed on the side of the driving wheel 286 and the upper wheel 271, and the upper and lower tensioning devices 287 and 277 are controlled by the central processing unit 85 for automatically adjusting the tension of the screen. degree. Additionally, the light used is a backlight 308.
  • FIG. 10 is a block diagram showing the circuit principle of the present invention.
  • the circuit control system includes a power adapter 306 for supplying power to the entire circuit.
  • the illumination lamp 301 provides a light source and a display 302 for the advertisement screen.
  • the button 303 presets working state parameters for the system, such as a screen rotation speed, a predetermined screen appears at a predetermined time, a position of the photosensitive head 304 as a sensing screen, a central processing unit (CPU) 305 as a control center of the entire system, and a light control device.
  • CPU central processing unit
  • the display time of each canvas is adjustable from 1 to 256 seconds; the system itself has a clock function. , Automatic precise travel time; If the system is abnormal, continuous rotation for 20 seconds, the system will start self-protection function, automatically stop running; Microcomputer chip program control; Specially equipped with light box power-off reset function, to ensure that the picture is completely intact when the power is off Stay on the window of the light box and other functions.
  • the working principle of the above circuit control system is all prior art, and will not be repeated here.
  • the liquid crystal conductive glass or liquid crystal polymer film 16 is provided with a normally light-transmissive pattern or a character pattern composed of oblique thin strips 9 in advance, and the pattern is composed of the English word TOP.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

L’invention concerne un procédé et un dispositif pour la commande d’un affichage publicitaire à l’aide d’un modulateur de lumière. Le procédé consiste à afficher une image par la commande d’un interrupteur de modulateur de lumière, à modifier une image lorsque le modulateur de lumière se ferme, à afficher une image lorsque le modulateur de lumière s’ouvre et à modifier l’image d’une manière circulaire, ordonnée et dans un seul sens. Le dispositif comprend un boîtier, une unité d'affichage publicitaire dans le boîtier et une unité d'éclairement. La partie avant du boîtier comprend un film de verre conducteur ou polymère à cristaux liquides et son dispositif de commande électrique. Le dispositif d’affichage publicitaire comprend une hélice d’inscription publicitaire circulaire avec une certaine quantité de messages, des unités de raccordement et son dispositif de commande.
PCT/CN2005/001482 2005-03-30 2005-09-16 Procede et dispositif pour la commande d’un affichage publicitaire a l’aide d’un modulateur de lumiere WO2006102803A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CNB2005100653140A CN100338640C (zh) 2005-01-12 2005-03-30 采用光阀控制显示广告的方法和装置
CN200510065314.0 2005-03-30
CN200520063430 2005-08-16
CN200520063430.4 2005-08-16

Publications (1)

Publication Number Publication Date
WO2006102803A1 true WO2006102803A1 (fr) 2006-10-05

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ID=37052943

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Application Number Title Priority Date Filing Date
PCT/CN2005/001482 WO2006102803A1 (fr) 2005-03-30 2005-09-16 Procede et dispositif pour la commande d’un affichage publicitaire a l’aide d’un modulateur de lumiere

Country Status (1)

Country Link
WO (1) WO2006102803A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112216233A (zh) * 2020-04-24 2021-01-12 重庆市航鲸科技有限公司 一种带有电动幕布、电致调光玻璃的全息灯箱
CN114360405A (zh) * 2022-01-27 2022-04-15 山东汇东光电科技有限公司 一种智能灯箱系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5822899A (en) * 1995-07-03 1998-10-20 Yonenaga; Itsuro Advertisement display device
US5933990A (en) * 1994-06-06 1999-08-10 Keyser; William W. Rotatable sign
CN2483795Y (zh) * 2001-07-12 2002-03-27 邵剑心 一种彩色液晶光阀器件
CN1469337A (zh) * 2002-06-24 2004-01-21 三菱电机株式会社 电流供给电路和具备该电路的显示装置
CN2667605Y (zh) * 2003-12-25 2004-12-29 杨鹏伟 自动循环滚动展示广告灯箱

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5933990A (en) * 1994-06-06 1999-08-10 Keyser; William W. Rotatable sign
US5822899A (en) * 1995-07-03 1998-10-20 Yonenaga; Itsuro Advertisement display device
CN2483795Y (zh) * 2001-07-12 2002-03-27 邵剑心 一种彩色液晶光阀器件
CN1469337A (zh) * 2002-06-24 2004-01-21 三菱电机株式会社 电流供给电路和具备该电路的显示装置
CN2667605Y (zh) * 2003-12-25 2004-12-29 杨鹏伟 自动循环滚动展示广告灯箱

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112216233A (zh) * 2020-04-24 2021-01-12 重庆市航鲸科技有限公司 一种带有电动幕布、电致调光玻璃的全息灯箱
CN114360405A (zh) * 2022-01-27 2022-04-15 山东汇东光电科技有限公司 一种智能灯箱系统

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