CN2727771Y - Double-faced back projection display - Google Patents
Double-faced back projection display Download PDFInfo
- Publication number
- CN2727771Y CN2727771Y CN 200420092859 CN200420092859U CN2727771Y CN 2727771 Y CN2727771 Y CN 2727771Y CN 200420092859 CN200420092859 CN 200420092859 CN 200420092859 U CN200420092859 U CN 200420092859U CN 2727771 Y CN2727771 Y CN 2727771Y
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- China
- Prior art keywords
- projector
- reflective mirror
- projection display
- screen
- rear projection
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Abstract
The utility model relates to a double-faced back projection display, compising a shell, a signal interface, the first screen positioned at the front wall of the shell, the second screen positioned at the rear wall of the shell, the first slide projector, the second slide projector, the first reflecting mirror and the second reflecting mirror which are in the same inclination angle with the horizontal plane and are mutually parallel. The video signals received by the signal interface are converted into the light signals of an image through the first slide projector and / or the second slide projector; the light signals are respectively reflected to the first screen and / or the second screen through the first reflecting mirror and / or the second reflecting mirror; the audio signals of the first slide projector and the second slide projector are connected to an exterior sound box through the signal interface. The thickness of the double-faced back projection display is the same to the thickness of the traditional single-faced back projection, but the double-faced back projection display can be viewed from two faces, when the display is in particular required being installed at the centre position of crowds, only one display is required to be installed; simultaneously, two sides of the device also can be used for hanging advertisement boards, realizes one device having a plurality of purposes, and saves the space.
Description
Technical field
The utility model relates to display device, particularly a kind of two-sided rear projection display.
Background technology
At present, traditional rear-projection TV all has only a screen both at home and abroad, and the people that watch can only watch in a direction of rear-projection TV, and the space of rear-projection TV back has been wasted.The people of rear projection display in window who is used for advertisement at shop front rooms such as markets just can not see the image of demonstration, and public place and the bigger places of flow of the people such as airport hall, commercial building hall, hypermarket, railway station, security exchange hall, need when middle position is adorned display, then need to install many simultaneously, cause very big waste.
The utility model content
The two-sided rear projection display that the two sides, front and back that the purpose of this utility model is to provide a kind of spectators can be dispersed in device is watched simultaneously.
For achieving the above object, a kind of two-sided rear projection display of the utility model, comprise housing and signaling interface, also comprise first screen that is positioned at the housing antetheca and second screen that is positioned at the housing rear wall, the bottom of housing is provided with erecting frame, left and right sides sidewall is provided with the mirror holder fixed head, the roof of housing and the upper surface of erecting frame are fixed with first projector and second projector respectively, be fixed with on the mirror holder fixed head with surface level and become identical inclination angle and first reflective mirror that is parallel to each other and second reflective mirror, first projector and second projector are the bending camera lens projector with par projectional angle, be converted to the light signal of image through first projector and/or second projector by the vision signal of signaling interface reception, reflex to first screen and/or second screen through first reflective mirror and/or second reflective mirror respectively again, the sound signal of first projector and/or second projector is connected to outside audio amplifier through signaling interface.
The two-sided rear projection display of the utility model, wherein, first projector and second projector are straight camera lens projector, in a side relative with second projector lens with first projector, the roof and the bottom sidewall that are positioned at housing are fixed with the first little reflective mirror and the second little reflective mirror respectively, relative first reflective mirror with the second little reflective mirror of the first little reflective mirror has identical horizontal projectional angle respectively with second reflective mirror, the image light signals of first projector and/or second projector, reflex to first reflective mirror and/or second reflective mirror through the first little reflective mirror and/or the second little reflective mirror respectively, reflex to first screen and/or second screen more respectively.
The two-sided rear projection display of the utility model, wherein, the inclination angle is 53 °～66 °, horizontal projectional angle is 48 °～70 °.
The two-sided rear projection display of the utility model, wherein, first reflective mirror and second reflective mirror replace with a monomer double-side membrane reflective mirror.
The two-sided rear projection display of the utility model, wherein, signaling interface is connected to the signal Synchronization divider, and the signal Synchronization divider links to each other respectively with second projector with first projector.
The two-sided rear projection display of the utility model, wherein, housing is equipped with inner audio amplifier, and audio amplifier links to each other respectively with second projector with first projector.
The two-sided rear projection display of the utility model, wherein, the face width of cloth of screen is 48 inches-150 inches.
The two-sided rear projection display of the utility model, wherein, the signaling interface receiving digital signals is equipped with the Digital-to-Video set-top box on the erecting frame, and the Digital-to-Video set-top box is connected between signaling interface and the signal Synchronization divider.
Advantage of the present utility model is: the thickness of two-sided rear projection display is identical with the thickness of traditional single face rear-projection, but can watch from the two sides, particularly need be when crowd's middle position dress display, only need to install one and get final product, this has great advantage in the places such as market of an inch of land is an inch of gold.Simultaneously, two sides of device can also be used to hanging billboard, realize a tractor serves several purposes, have saved the space more, have attracted people's sight, have strengthened the effect of advertising.
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, so that the purpose of this utility model, feature and advantage are had deep understanding.
Description of drawings
Fig. 1 is the structural drawing of the two-sided rear projection display of the utility model;
Fig. 2 is the structural drawing of two-sided another embodiment of rear projection display of the utility model.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
With reference to Fig. 1, two-sided rear projection display comprises housing 2 and signaling interface 1, is positioned at first screen 3 and second screen 7 that is positioned at the housing rear wall of housing 2 antethecas.The face width of cloth of screen is 48 inches-150 inches.The bottom of housing 2 is provided with erecting frame 12, and left and right sides sidewall is provided with mirror holder fixed head 8.The upper surface of the roof of housing 2 and erecting frame 12 is fixed with first projector 4 and second projector 9 respectively.Be fixed with on the mirror holder fixed head 8 with surface level and become identical angle of inclination beta and first reflective mirror 5 that is parallel to each other and second reflective mirror 6.First projector 4 and second projector 9 are for having the bending camera lens projector of par projectional angle α.Wherein, angle of inclination beta is 53 °～66 °, and horizontal projectional angle α is 48 °～70 °.
1.Y P
bP
RThe component input;
2.Y C
bC
RThe component input;
3.RGB pcs signal input;
4.DVI pcs signal input;
5.S-VIDEO S terminal input;
6.RF radio frequency input;
7.AUDIO voice signal input;
8.AUDIO R, the output of L binary channels.
The vision signal that is received by signaling interface 1 is converted to the light signal of image through signal Synchronization divider 11 and first projector 4 and/or second projector 9, the sound signal that reflexes to first screen 3 and/or second screen, 7, the first projectors 4 and/or second projector 9 through first reflective mirror 5 and/or second reflective mirror 6 respectively is connected to outside audio amplifier through signaling interface 1 again.
With reference to Fig. 2, another embodiment that the utility model provides, wherein, first projector 4 and second projector 9 are straight camera lens projector, in a side relative with second projector, 9 camera lenses with first projector 4, the roof and the bottom sidewall that are positioned at housing 2 are fixed with the first little reflective mirror 52 and the second little reflective mirror 62 respectively.The first little reflective mirror 52 has identical horizontal projectional angle α with second little reflective mirror 62 relative first reflective mirrors 5 respectively with second reflective mirror 6, and horizontal projectional angle α is 48 °～70 °.The image light signals of first projector 4 and/or second projector 9 reflexes to first reflective mirror 5 and/or second reflective mirror 6 through the first little reflective mirror 52 and/or the second little reflective mirror 62 respectively, reflexes to first screen 3 and/or second screen 7 more respectively.
In other embodiment that the utility model provides, first reflective mirror 5 and second reflective mirror 6 can replace with a monomer double-side membrane reflective mirror.
When signaling interface 1 receiving digital signals, erecting frame is provided with Digital-to-Video set-top box 10, and Digital-to-Video set-top box 10 is connected between signaling interface 1 and the signal Synchronization divider 11.
The two-sided rear projection display of the utility model can use the video input signals and the digital high-definition television signal of all standards, is applicable to wired and wireless receiving, and external terminals such as VIDEO, S-VIDEO are arranged.Can show TV and computer picture simultaneously, comprise picture-in-picture function, many pictures (16,9,4) all programs of preview.Can operate by full-function remote-control, very easy to use.
Owing to can watch identical or different picture simultaneously on the two sides, front and back of display with double faces, can place it in the window of shop front rooms such as market, make in the window outside window people can both see the image of display, be placed on public place and the bigger places of flow of the people such as airport hall, commercial building hall, hypermarket, railway station, security exchange hall, can be used as dynamic high-definition signal ad playing machine, also can watch (numeral and tradition) TV programme.Be used for public notification of information, can attract people's sight, strengthen the effect of advertising.
The characteristics of utilizing two-sided rear projection display two sides to watch, the central authorities that also can be placed on roundtable conference's chamber use.
The thickness of two-sided rear projection display is identical with the thickness of traditional single face rear-projection, and two sides can also be used to hanging billboard, but a tractor serves several purposes is saved the space more.
Claims (8)
1. two-sided rear projection display, comprise housing (2) and signaling interface (1), it is characterized in that, also comprise first screen (3) that is positioned at described housing (2) antetheca and be positioned at second screen (7) of described housing (2) rear wall, the bottom of described housing (2) is provided with erecting frame (12), left and right sides sidewall is provided with mirror holder fixed head (8), the upper surface of the roof of described housing (2) and described erecting frame (12) is fixed with first projector (4) and second projector (9) respectively, be fixed with first reflective mirror (5) and second reflective mirror (6) that become identical inclination angle (β) and be parallel to each other with surface level on the described mirror holder fixed head (8), bending camera lens projector of described first projector (4) and described second projector (9) for having par projectional angle (α), be converted to the light signal of image through described first projector (4) and/or described second projector (9) by the vision signal of described signaling interface (1) reception, reflex to described first screen (3) and/or described second screen (7) through described first reflective mirror (5) and/or described second reflective mirror (6) respectively again, the sound signal of described first projector (4) and/or described second projector (9) is connected to outside audio amplifier through described signaling interface (1).
2. two-sided rear projection display according to claim 1, wherein said first projector (4) and described second projector (9) are straight camera lens projector, in a side relative with described second projector (9) camera lens with described first projector (4), the roof and the bottom sidewall that are positioned at described housing (2) are fixed with the first little reflective mirror (52) and the second little reflective mirror (62) respectively, the described first little reflective mirror (52) has identical horizontal projectional angle (α) respectively with described second described relatively first reflective mirror of little reflective mirror (62) (5) and described second reflective mirror (6), the image light signals of described first projector (4) and/or described second projector (9), reflex to described first reflective mirror (5) and/or described second reflective mirror (6) through the described first little reflective mirror (52) and/or the described second little reflective mirror (62) respectively, reflex to described first screen (3) and/or described second screen (7) more respectively.
3. two-sided rear projection display according to claim 1 and 2, wherein said inclination angle (β) are 53 °～66 °, and described horizontal projectional angle (α) is 48 °～70 °.
4. two-sided rear projection display according to claim 3, wherein said first reflective mirror (5) and described second reflective mirror (6) replace with a monomer double-side membrane reflective mirror.
5. two-sided rear projection display according to claim 4, wherein said signaling interface (1) is connected to signal Synchronization divider (11), and described signal Synchronization divider (11) links to each other respectively with described second projector (9) with described first projector (4).
6. two-sided rear projection display according to claim 5, wherein said housing (2) is equipped with inner audio amplifier, and described audio amplifier links to each other respectively with described second projector (9) with described first projector (4).
7. two-sided rear projection display according to claim 6, the face width of cloth of wherein said screen (3,7) are 48 inches-150 inches.
8. two-sided rear projection display according to claim 7, wherein said signaling interface (1) receiving digital signals, Digital-to-Video set-top box (10) is housed on the described erecting frame (12), and described Digital-to-Video set-top box (10) is connected between described signaling interface (1) and the described signal Synchronization divider (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420092859 CN2727771Y (en) | 2004-09-22 | 2004-09-22 | Double-faced back projection display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420092859 CN2727771Y (en) | 2004-09-22 | 2004-09-22 | Double-faced back projection display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2727771Y true CN2727771Y (en) | 2005-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420092859 Expired - Fee Related CN2727771Y (en) | 2004-09-22 | 2004-09-22 | Double-faced back projection display |
Country Status (1)
| Country | Link |
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| CN (1) | CN2727771Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7837333B2 (en) | 2007-01-22 | 2010-11-23 | Industrial Technology Research Institute | Projector |
| CN102200678A (en) * | 2011-05-18 | 2011-09-28 | 浙江海盛科技股份有限公司 | Double-faced display |
| EP2383610A1 (en) * | 2010-04-27 | 2011-11-02 | Wall Aktiengesellschaft | Double video projection device |
| CN104050905A (en) * | 2013-03-11 | 2014-09-17 | 徐峻峰 | Projection display body |
| JP2016102896A (en) * | 2014-11-28 | 2016-06-02 | トヨタホーム株式会社 | Video projection system |
| CN106604002A (en) * | 2015-10-16 | 2017-04-26 | 豪威科技股份有限公司 | Multi-projector display box |
| CN108535942A (en) * | 2018-06-14 | 2018-09-14 | 上海中匆光电科技有限公司 | A kind of ultra-thin anti-light projection display system |
-
2004
- 2004-09-22 CN CN 200420092859 patent/CN2727771Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7837333B2 (en) | 2007-01-22 | 2010-11-23 | Industrial Technology Research Institute | Projector |
| EP2383610A1 (en) * | 2010-04-27 | 2011-11-02 | Wall Aktiengesellschaft | Double video projection device |
| CN102200678A (en) * | 2011-05-18 | 2011-09-28 | 浙江海盛科技股份有限公司 | Double-faced display |
| CN102200678B (en) * | 2011-05-18 | 2013-10-02 | 浙江海盛科技股份有限公司 | Double-faced display |
| CN104050905A (en) * | 2013-03-11 | 2014-09-17 | 徐峻峰 | Projection display body |
| JP2016102896A (en) * | 2014-11-28 | 2016-06-02 | トヨタホーム株式会社 | Video projection system |
| CN106604002A (en) * | 2015-10-16 | 2017-04-26 | 豪威科技股份有限公司 | Multi-projector display box |
| CN113766200A (en) * | 2015-10-16 | 2021-12-07 | 豪威科技股份有限公司 | Multi-projector display box |
| CN108535942A (en) * | 2018-06-14 | 2018-09-14 | 上海中匆光电科技有限公司 | A kind of ultra-thin anti-light projection display system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |