CN2859721Y - Multi-azimuth and multi-screen display device - Google Patents
Multi-azimuth and multi-screen display device Download PDFInfo
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- CN2859721Y CN2859721Y CN 200520119734 CN200520119734U CN2859721Y CN 2859721 Y CN2859721 Y CN 2859721Y CN 200520119734 CN200520119734 CN 200520119734 CN 200520119734 U CN200520119734 U CN 200520119734U CN 2859721 Y CN2859721 Y CN 2859721Y
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Abstract
The utility model relates to a multi-azimuth and multi-screen display device comprises a shell containing a light source, at least two different directional display surface are set on the shell, each display surface includes an external light valve layer and an inner picture mechanism, also includes a multi-light valve control unit for controlling the outer light valve layer of each display surface. Through the setting of the at least two different directional display surfaces on the same shell and each directional display surface setting different advertising content, the passerby can clearly see the advertising content on the display device from different directions, the advertising effect and capacity are increased, each outer light valve of the display surface is controlled by the multi-light valve control unit and the inner picture mechanism is driven at different times to prevent the visible fault during the conversion of the advertising pictures, and increase the attractability of the advertising content. The adopting of the mechanical structure inside the shell driving and transforming the pictures prevents the faults of high cost for the large television screen and low lifetime and reduces the cost.
Description
Technical field
The utility model relates to the display device that can be applicable to advertising lamp box, commercial signboard lamp house, direction board etc., more particularly, relates to a kind of multi-faceted many picture display devices.
Background technology
Tradition outdoor large advertisement to be adopted advertisement picture is fixedly attached to mode on the metope, and its deficiency is that the advertisement capacity is little, content is single; For increasing the advertisement capacity, adopt on the cylinder and wrap advertisement, by its walking of motor-driven, make each width of cloth advertisement picture all have an opportunity to show, thereby reach the purpose that reduces unicity and increase clutter; Its shortcoming is that the advertisement of this form is owing to the process at the conversion picture is visible, may make commercial audience produce the resisting psychology of instinct, and, this advertisement has only a display surface usually, this display surface can only be towards the commercial audience in an orientation, the commercial audience that is positioned at different azimuth just can't be seen this ad content, thereby has limited this advertising effect.Also have some popular in recent years outdoor advertising forms, adopt outdoor jumbo TV screen, outdoor LED advertisement etc. exactly, the containing much information of these advertisement forms, dynamic property are good, but have defectives such as cost height, life-span be short.
The utility model content
The technical problems to be solved in the utility model is,, defectives such as display orientation single, advertising results reduction single at the content that the advertisement capacity is little in the above-mentioned advertisement display of prior art, the advertisement display surface is unique and as seen process its conversion picture causes, provide a kind of have a plurality of display surfaces towards multi-faceted commercial audience, content is abundanter, with low cost and can reduce the multi-faceted many picture display devices of commercial audience to the resisting psychology of advertisement to greatest extent.
The technical scheme that its technical matters that solves the utility model adopts is: construct a kind of multi-faceted many picture display devices, comprise that inside is equipped with the housing of light source, the display surface that has two different azimuth on the described housing at least, each display surface comprises outside light valve layer and nexine picture mechanism, also comprises many light valves control module that the outside light valve layer of each display surface is controlled.
In above-mentioned multi-faceted many picture display devices described in the utility model, described nexine picture mechanism comprises printing opacity picture layer that multi-picture is formed and the gearing that makes the walking of printing opacity picture layer, and described light source is arranged in each nexine picture mechanism interaction center.
In above-mentioned multi-faceted many picture display devices described in the utility model, described nexine picture mechanism comprises picture layer that multi-picture is formed and the gearing that makes the walking of picture layer, and described light source is arranged in the housing between nexine picture mechanism and the outside light valve.
In above-mentioned multi-faceted many picture display devices described in the utility model, described light valve is liquid-crystalline glasses light valve or liquid crystal film light valve or switch light source, described liquid crystal film light valve is composited by tempered glass or organic glass and liquid crystal film, or be composited by transparent double-layer glue and liquid crystal film by simple glass, to guarantee security.
In above-mentioned multi-faceted many picture display devices described in the utility model, described gearing comprises first and second of the parallel placement of picture size at interval, timesharing drives the propulsion system of first and second rotation, described picture layer one end is fixed in first and the other end is fixed in second, when propulsion system drive first, described picture layer is shifted to first from second, and when propulsion system drove second, described picture layer was shifted to second from first.
In above-mentioned multi-faceted many picture display devices described in the utility model, described gearing comprises first and second of the parallel placement of picture size at interval, but timesharing drives the propulsion system of first and second rotation respectively, and described picture layer forms a closed circuit between first and second.
In above-mentioned multi-faceted many picture display devices described in the utility model, described housing has three display surfaces, and each display surface has the outside light valve layer and the nexine picture mechanism of independent control.
In above-mentioned multi-faceted many picture display devices described in the utility model, described housing has four display surfaces, and each display surface has the outside light valve layer and the nexine picture mechanism of independent control.
In above-mentioned multi-faceted many picture display devices described in the utility model, the display surface in positive and negative two orientation is arranged, or the shared same nexine picture of two display surfaces mechanism on the described housing, forward and the reverse light valve synchronous working on the display surface; Or two display surfaces have nexine picture mechanism separately respectively.
In above-mentioned multi-faceted many picture display devices described in the utility model, described light valve layer is provided with pattern or the literal of being made up of tiny printing opacity slotted eye, and the shape of described tiny printing opacity slotted eye is " point ", " line ", " broken line ", " sigmoid curve " or wherein any two combination.
Implement multi-faceted many picture display devices of the present utility model, by the display surface of at least two different azimuth is set on same housing, the display surface in each orientation can be provided with different ad contents, make the passerby of different azimuth can both see the ad content of this display device, strengthen advertising effect, and increased the advertisement capacity; Control the outside light valve layer of each display surface by many light valves control module, and timesharing driving nexine picture mechanism, avoid the advertisement poster amplitude variation to change the process visible defects of picture, thereby increased the attractability of ad content; Adopt the physical construction that is provided with in the housing to drive the conversion picture, avoided the high cost of jumbo TV screen and the defective in low life-span, thereby reduced cost.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the one-piece construction synoptic diagram of multi-faceted many picture display device first embodiment of the utility model;
Fig. 2 is the structural representation of multi-faceted many picture display device first each display surfaces of embodiment of the utility model;
Fig. 3 has only an electric motor driven wheelwork structural representation among multi-faceted many picture display device first embodiment of the utility model;
Fig. 4 is that the picture layer is the structural representation of the nexine picture mechanism of closed circuit among first embodiment of the multi-faceted many picture display devices of the utility model;
Fig. 5 is the structural representation of second embodiment of the multi-faceted many picture display devices of the utility model;
Fig. 6 is that display surface is three a structural representation among first and second embodiment of the multi-faceted many picture display devices of the utility model;
Fig. 7 is that display surface is four a structural representation among first and second embodiment of the multi-faceted many picture display devices of the utility model;
Fig. 8 is the structural representation of the 3rd embodiment of the multi-faceted many picture display devices of the utility model.
Embodiment
As shown in Figure 1, in first embodiment of multi-faceted many picture display devices of the present utility model, comprise a rectangular parallelepiped housing 1 and the light source 2 that is arranged on this housing 1 inside.Described housing 1 can adopt metal framework to add aluminium alloy plate or corrosion resistant plate is decorated outside structure, two different azimuth of this housing 1 are provided with display surface 3, as adjacent two sides or relative two sides, the preferred adjacent two sides of present embodiment, a street corner in the intersection is provided with so multi-faceted many picture display devices, can be the display surface 3 that the commercial audience in two streets can both be seen this display device.In the display surface of described two different azimuth, each display surface 3 comprises outside light valve layer 4 and nexine picture mechanism 5.
As shown in Figure 2, in each described display surface 3, comprise the outside light valve layer 4 and the nexine picture mechanism 5 that are arranged on the described housing 1 a certain lateral frame.Wherein, nexine picture mechanism 5 comprises picture layer 6 that several pictures that are decorated with ad content are formed and the gearing 7 that drives 6 walking of picture layer.The light source 2 of described housing 1 inside is arranged on the framework in the housing 1 between described picture layer 6 and the described outside light valve layer 4.Thereby can make under the situation of available light deficiency that the ad content on the picture layer 6 is more clear, this light source also can be the light source of color LED lamp or other convertible colors, increases the rendering effect of picture, to attract passerby.
Described outside light valve layer 4 is liquid-crystalline glasses light valve or liquid crystal film light valve.Wherein, described liquid crystal film light valve is arranged on the described housing 1 a certain lateral frame, form by the complex of tempered glass or organic glass and liquid crystal film (English is polymer display liquid crystal film, is called for short the PDLC film) or the complex that simple glass passes through transparent double-layer glue and liquid crystal film.Described liquid-crystalline glasses light valve is arranged on the conductive liquid crystal glass (the English polymer displayliquid crystal conducting glass of being is called for short the PDLC electro-conductive glass, also claims liquid-crystalline glasses) on the described housing 1 a certain lateral frame.Also can install organic glass additional as protection in the outside of this conductive liquid crystal glass or liquid crystal film.When above-mentioned conductive liquid crystal glass or liquid crystal film are coupled with first kind of automatically controlled signal or do not power up, whole glass or film are opaque state, as the Electric controlled window curtain closure, the outside sight that can only see curtain and can't see in the room is the same, the whole box body front is rendered as ad contents such as the literal that sets in advance on organic glass or conductive liquid crystal glass or liquid crystal film outside surface or cartoon pattern, or present milky or other colors, in order to attract passerby's sight line; When above-mentioned conductive liquid crystal glass or liquid crystal film are coupled with second kind of automatically controlled signal or power up, above-mentioned conductive liquid crystal glass or liquid crystal film moment become transparent (vice versa), make passerby can see the advertisement picture of picture layer 6 in the nexine picture mechanism 5 that is contained in the housing 1 from the outside.This conductive liquid crystal glass or liquid crystal film are as light valve, as seen whether the ad content that can control picture layer 6 in the nexine picture mechanism 5 in the housing 1, the moment that light valve is closed, the gearing 7 of described nexine picture mechanism 5 drives described picture layer 6 conversion picture, changes ad content.Because can control each light valve was closed in very short time between 0.5 second-10 seconds, commercial audience can not produce because of seeing that the picture that is changing produces the psychology of repulsion, the unexpected appearance of new picture can be given the visual effect of certain magic illusion of people, be different pictures alternately occur and alternately in the design of closing awkward silence at a meeting, make this display device have mysteriousness and have polytrope.
Described outside light valve layer 4 can also be other gate-controlled switch light sources, and is same in the moment that the switch light source is closed, the walking of picture layer 6 in the described nexine picture of the described gearing 7 drivings mechanism 5, the awkward silence at a meeting when avoiding the picture conversion.
In first embodiment of above-mentioned multi-faceted many picture display devices of the present utility model, also comprise 5 layers of many light valves of controlling control module of outside light valve to each display surface, this many light valves control module can be controlled the outside light valve layer 4 of described each display surface respectively, makes that the outside light valve layer 4 of each display surface can time-shared switch; This many light valves control module also can unify to control the outside light valve layer 4 of described each display surface, makes outside light valve layer 4 switch simultaneously of each display surface.Above-mentioned conductive liquid crystal glass that plays the light valve effect or liquid crystal film and many light valves control module thereof belong to prior art, do not elaborate in this application.
Among first embodiment of multi-faceted many picture display devices of the present utility model as shown in Figure 2, described picture layer 6 is made up of several advertisement pictures 61, passes through snap-fastener or slide fastener releasable connection between two adjacent pictures, to be convenient for changing and to guarantee strength of joint.Described gearing 7 comprises that first 71, second 72 of parallel placement, timesharing drive described first 71 and second 72 propulsion system 73 that rotate.Wherein, described first 71 is arranged in the described housing 1 near described outside light valve layer 4 lower edge, described second 72 is arranged in the described housing 1 near described outside light valve layer 4 upper edge, the height of an advertisement picture 61 at interval just in time between these first 71 and second 72.Described propulsion system 73 comprise the motor 731 that is installed in the casing 1, be contained in speed reduction unit 732 in motor 731 rotating shafts, with the gear wheel 733 of speed reduction unit 732 output couplings, this gear wheel 733 is coaxial with first 71, these first two sections are equipped with jockey sprocket respectively, and the square hole that is used for being provided with described advertisement picture 61 both sides cooperates.
When described outside light valve layer 4 is closed, motor 731 rotating shafts drive first 71 through speed reduction unit 732 deceleration rear drive gear wheels 733 and rotate, tooth on the jockey sprocket at these first 71 two ends cooperates with the square hole of described advertisement picture 61 both sides, thereby drive picture layer 6 from second 72 to first walking, realize the conversion of picture.Same motor 734, speed reduction unit 735, gear wheel 736 and jockey sprocket are set near the housing second 72.
When the advertisement picture 61 that curls on second 72 finishes, near the motor 734 that is provided with controlling second 72 rotates, driving second 72 through speed reduction unit 735 deceleration rear drive gear wheels 736 rotates, the jockey sprocket at these second 72 two ends cooperates by the square hole with described advertisement picture 61 both sides, thus drive picture layer 6 from first 71 to second walking.Two motor of timesharing control rotate, and get final product the ad content on the loop play picture layer 6.
As shown in Figure 3, the propulsion system 73 among above-mentioned first embodiment can also only be provided with aforesaid one group of motor 731, speed reduction unit 732, gear wheel 733 and jockey sprocket near the housing 1 described first 71; On first 71, be provided with and first 71 coaxial drive sprocket 737 in addition, on described second 72, be provided with equally and second 72 coaxial drive sprocket 738, and be arranged on these second 72 two ends, be used for the jockey sprocket that cooperates with the square hole of advertisement picture 61 both sides of described picture layer 6; Being provided with chain 739 between the drive sprocket 738 on drive sprocket 737 on described first 71 and second 72 connects.
When outside light valve layer 4 was closed, motor 731 drove first 71 through speed reduction unit 732 deceleration rear drive gear wheels 733 and rotates, and the jockey sprocket at these first 71 two ends drives picture layer 6 and walks from second 72 to first 71.When the advertisement picture 61 on second 72 finishes, 731 counter-rotatings of control motor, drive sprocket 737 on speed reduction unit 732 deceleration rear drive gear wheels 733 drive first 71 rotates, the drive sprocket 738 of drive sprocket 737 on this first on chain 739 drives second 72 rotates counterclockwise, also rotate counterclockwise thereby drive second 72, make the jockey sprocket driving picture layer 6 at second 72 two ends walk from first 71 to second 72.731 rotatings of timesharing driving motor get final product the ad content on the loop play picture layer 6.
Among first embodiment of multi-faceted many picture display devices of the present utility model as shown in Figure 4, described picture layer 6 can also be the closed circuit that several advertisement pictures 61 join end to end and form between first 71 and second 72.At this moment, the propulsion system 73 in the described wheelwork 7 are the structure setting of an aforesaid motor.This motor one-directional rotation is controlled in timesharing, and externally light valve layer 4 moment of closing is realized the replacing of the advertisement picture 61 on the picture layer 6, and picture layer 6 walk towards a direction, makes that the frequency of each advertisement picture appearance is identical.
As shown in Figure 4,, promptly increase the length of described picture layer 6, in described wheelwork 7, also comprise a plurality of carrying rollers 8 that are arranged between described first 71 and described second 72 and a plurality of rotating cylinders 9 that are enclosed within on each described carrying roller in order to increase ad content.Described picture layer 6 pass successively second 72, carrying roller 8a, carrying roller 8b,, carrying roller 8c, carrying roller 8d, carrying roller 8e, carrying roller 8f, carrying roller 8g and first 71, return second 72, make described picture layer 6 form a closed circuit, when the above-mentioned picture layer 6 unidirectional walking of timesharing control direct motor drive, make that the frequency of each advertisement picture appearance is identical.
As shown in Figure 5, in second embodiment of multi-faceted many picture display devices of the present utility model, different is that described picture layer 6 is made for light transmissive material with above-mentioned first embodiment, the display surface of different azimuth uses same light source 2, and this light source 2 is arranged in the interaction center of picture layer 6 of different display surfaces.This light source 2 can be incident upon light on each described picture layer 6 simultaneously, thereby illuminates the picture on each described printing opacity picture layer 6, and when described outside light valve layer 4 was opened, the ad content on the described picture layer 6 was presented in face of the commercial audience.
As shown in Figure 6, among first and second embodiment of above-mentioned multi-faceted many picture display devices of the present utility model, described housing 1 xsect is a triangle, each side in three sides of this shell is a display surface, each display surface is equipped with aforesaid outside light valve layer 4 and nexine picture mechanism 5, and the outside light valve layer of each display surface and nexine picture mechanism are independent control.
As shown in Figure 7, among first and second embodiment of above-mentioned multi-faceted many picture display devices of the present utility model, described housing xsect is a quadrilateral, each side in four sides of this shell is a display surface, each display surface is equipped with aforesaid outside light valve layer and nexine picture mechanism, and the outside light valve layer of each display surface and nexine picture mechanism are independent control.
In the 3rd embodiment of the multi-faceted many picture display devices of the present utility model shown in Fig. 8, different is with above-mentioned first and second embodiment: described housing 1 is provided with the display surface in two positive and negative two orientation, wherein, the shared same nexine picture of two positive and negative display surfaces mechanism 4 ', many light valves control module is controlled the outside light valve layer synchronous working in positive and negative two display surfaces, promptly opens or closes simultaneously.
Wherein, described positive and negative display surface shared nexine picture mechanism 4 ' comprise too picture layer 6 ' and wheelwork 7 ', described wheelwork 7 is as described in first and second embodiment, all be provided with first and second in described positive and negative two display surfaces, but the propulsion system in the described positive and negative display surface are shared.Described picture layer 6 ' is lighttight, and this picture layer 6 ' is provided with all by tow sides that the advertisement picture 61 ' of ad content forms.At this moment, described light source 2 correspondingly is arranged between this picture layer 6 ' and the outside light valve layer 4 as described in the above-mentioned embodiment, thus the shown ad content difference of positive and negative two display surfaces.One end of described picture layer 6 ' is fixed on first 71a of front display surface, walk around second 72a of this positive display surface, walk around two carrying rollers 8 that are fixed on housing 1 inside described in first and second embodiment and ' go up the rotating cylinder that is provided with this carrying roller 8 ', walk around first 71b of reverse side display surface again, to second 72b of reverse side display surface, described picture layer 6 ' the other end be fixed on second 72b of this reverse side display surface.' be made up of a plurality of advertisement pictures that are decorated with ad content, different ad contents is decorated with on the two sides of each advertisement picture to this picture layer 6.Described propulsion system 73 ' comprise two groups of driving arrangements, these two groups of driving arrangements are as described in above-mentioned first and second embodiment, every group all comprises motor, speed reduction unit, gear wheel and jockey sprocket, wherein near first 71a that a group is arranged on described front display surface in the described housing 1, the jockey sprocket that is used for driving first 71a two ends of this front display surface drive picture layer 6 ' be crimped onto on this first 71a, thus make this picture layer from the negative second 72b of display surface to first 71a walking of front display surface.
When described many light valves control module was controlled outside light valve layer in positive and negative two display surfaces simultaneously and closed, timesharing control was rotated near the motor of described front display surface, ' changes picture thereby can drive described picture layer 6.Carrying roller 8 in the described housing 1 is set ' in position, to make when described front display surface shows a complete advertisement picture, also just in time shows a complete advertisement picture on the described reverse side display surface.So, during near timesharing drives described front display surface motor, the display surface in described positive and negative two orientation all can be realized the replacing of advertisement picture, thereby makes the commercial audience in positive and negative two orientation can both see the advertisement that this magic changes.
Another group driving arrangement is arranged near second 72b of described reverse side display surface, is used for driving jockey sprocket on second 72b of this reverse side display surface and drives picture layer 6 and ' be crimped onto on this second 72b.When the advertisement picture on described second 72b that is crimped onto the reverse side display surface finishes, timesharing drives this group near the motor in the driving arrangement of described reverse side display surface, make the picture layer oppositely walk to second 72b of described reverse side display surface, thereby realized the loop play of advertisement picture from first 71a of described front display surface.Above-mentioned picture layer 6 ' also can be fixed on second 72a of described front display surface by an end, walk around first 71a of front display surface, the carrying roller of housing 1 interior setting, second 72b of described aspect display surface, to first 71b of described reverse side display surface, this picture layer 6 ' the other end fix and be wound on first 71b of this reverse side display surface.Above-mentioned carrying roller can also be 4,8 or more even number, and as above-mentioned carrying roller same be arranged in the housing 1 and by as described in picture layer 6 ' walk around.Above-mentioned composition picture layer 6 ' advertisement picture 61 ' also can be a printing opacity, this moment described light source 2 corresponding setting in the centre of described positive and negative display surface, thereby the ad content that shows on the positive and negative display surface is identical.
Among first, second and third embodiment of above-mentioned multi-faceted many picture display devices, described outside light valve layer 4 is provided with pattern or the literal of being made up of tiny printing opacity slotted eye, and the shape of described tiny printing opacity slotted eye is " point ", " line ", " broken line ", " sigmoid curve " or wherein two or more combination arbitrarily.When outside light valve layer 4 was closed, what show on the described display surface was these pattern or literal of being made up of tiny printing opacity slotted eye, to enlarge the advertisement capacity and to attract passerby.
Above-mentioned multi-faceted many picture display devices can be arranged on outdoor as signboard or billboard use according to different needs; Perhaps according to the actual installation environment, be arranged on buildingss such as newsstand or traffic booth around, utilize the support of these buildingss itself as described multi-faceted many picture display devices housing; Described multi-faceted many picture display devices can also be built up in separately on the commercial street or square that the crowd is dense, form independently advertisement room.
Claims (10)
1, a kind of multi-faceted many picture display devices, comprise that inside is equipped with the housing of light source, it is characterized in that, the display surface that has two different azimuth on the described housing at least, each display surface comprises outside light valve layer and nexine picture mechanism, also comprises many light valves control module that the outside light valve layer of each display surface is controlled.
2, multi-faceted many picture display devices according to claim 1, it is characterized in that, described nexine picture mechanism comprises printing opacity picture layer that multi-picture is formed and the gearing that makes the walking of printing opacity picture layer, and described light source is arranged in each nexine picture mechanism interaction center.
3, multi-faceted many picture display devices according to claim 1, it is characterized in that, described nexine picture mechanism comprises picture layer that multi-picture is formed and the gearing that makes the walking of picture layer, and described light source is arranged in the housing between nexine picture mechanism and the outside light valve.
4, according to claim 2 or 3 described multi-faceted many picture display devices, it is characterized in that, described light valve is liquid-crystalline glasses light valve or liquid crystal film light valve or switch light source, described liquid crystal film light valve is composited by tempered glass or organic glass and liquid crystal film, or is composited by transparent double-layer glue and liquid crystal film by simple glass.
5, multi-faceted many picture display devices according to claim 4, it is characterized in that, described gearing comprises first and second of the parallel placement of picture size at interval, timesharing drives the propulsion system of first and second rotation, described picture layer one end is fixed in first and the other end is fixed in second, and when propulsion system drove first, described picture layer was shifted to first from second, when propulsion system drove second, described picture layer was shifted to second from first.
6, multi-faceted many picture display devices according to claim 4, it is characterized in that, described gearing comprises first and second of the parallel placement of picture size at interval, but timesharing drives the propulsion system of first and second rotation respectively, and described picture layer forms a closed circuit between first and second.
7, multi-faceted many picture display devices according to claim 4 is characterized in that, described housing has three display surfaces, and each display surface has the outside light valve layer and the nexine picture mechanism of independent control.
8, multi-faceted many picture display devices according to claim 4 is characterized in that, described housing has four display surfaces, and each display surface has the outside light valve layer and the nexine picture mechanism of independent control.
9, multi-faceted many picture display devices according to claim 4, it is characterized in that, the display surface that positive and negative two orientation are arranged on the described housing, or the shared same nexine picture of two display surfaces mechanism, forward and the reverse light valve synchronous working on the display surface; Or two display surfaces have nexine picture mechanism separately respectively.
10, multi-faceted many picture display devices according to claim 4, it is characterized in that, described light valve layer is provided with pattern or the literal of being made up of tiny printing opacity slotted eye, and the shape of described tiny printing opacity slotted eye is " point ", " line ", " broken line ", " sigmoid curve " or wherein any two combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520119734 CN2859721Y (en) | 2005-11-30 | 2005-11-30 | Multi-azimuth and multi-screen display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520119734 CN2859721Y (en) | 2005-11-30 | 2005-11-30 | Multi-azimuth and multi-screen display device |
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| CN2859721Y true CN2859721Y (en) | 2007-01-17 |
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| CN 200520119734 Expired - Fee Related CN2859721Y (en) | 2005-11-30 | 2005-11-30 | Multi-azimuth and multi-screen display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958087A (en) * | 2010-06-02 | 2011-01-26 | 苏州工业园区胜欣电子有限公司 | Advertisement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958087A (en) * | 2010-06-02 | 2011-01-26 | 苏州工业园区胜欣电子有限公司 | Advertisement device |
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