CN100432722C - Video imaging device with low radiation - Google Patents
Video imaging device with low radiation Download PDFInfo
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- CN100432722C CN100432722C CNB2006101124524A CN200610112452A CN100432722C CN 100432722 C CN100432722 C CN 100432722C CN B2006101124524 A CNB2006101124524 A CN B2006101124524A CN 200610112452 A CN200610112452 A CN 200610112452A CN 100432722 C CN100432722 C CN 100432722C
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- imaging device
- screen
- low radiation
- video imaging
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Abstract
The disclosed low-radiation video imaging device comprises: an image source, a display chip, an imaging fiber, an EM-wave closure tube, and a screen, wherein it can convert video signal in shield body into optical signal to output outside through the imaging fiber arranged on a through-hole on the body, and recovers the image on outside screen by orthogonal or back projection. Unlike to traditional product, this invention can overcome the EM radiation efficiently, and can also be used for computer to prevent damage to people.
Description
Technical field
The present invention relates to a kind of video imaging apparatus, particularly a kind of video imaging device with low radiation belongs to computer information safe and electromangnetic spectrum field.
Background technology
Electromagnetic screen equipment such as at present low leak supervision platform, electromagnetic screen machine table concern the compact part door in party and government's military secret and are used widely.This equipment generally is arranged on inside of shield casings with display, sees through the shield glass window of offering on the shield shell, and the user can watch the information on the display.Owing to limited by technical conditions such as material, technology, the shielding protection usefulness of shield glass can only reach B level requirement among the national secret standard GGBB1-1999, and this has limited the raising of the bulk shielding usefulness of electromagnetic screen equipment to a certain extent.
In addition, the electric field, the magnetic field radiation that send of traditional monitor is harmful.Therefore, low radiation display device replaces traditional monitor, can avoid the harm of the electromagnetic radiation of traditional monitor to operator's health, has popularizing application prospect preferably.
Summary of the invention
An object of the present invention is to provide a kind of video imaging device with low radiation, to solve existing shielding device to the not high problem of computer system ELECTROMAGNETIC RADIATION SHIELDING usefulness.
Another object of the present invention provides a kind of video imaging device with low radiation that replaces traditional monitor, with the electromagnetic radiation of the avoiding traditional monitor harm to computer operation person's health.
The present invention is achieved by the following technical solutions:
A kind of video imaging device with low radiation, comprise shield, be located at the image source and the display chip of shield inside, and the screen that is used for display image, it is characterized in that: described device also comprises the electromagnetic wave blanking tube in the through hole that is installed on the described shield, and is installed in the imaging fibre that the image signal transmission of shield inside is arrived the shield outside in the described electromagnetic wave blanking tube.
As a kind of situation of the present invention, described imaging fibre is selected the imaging fibre panel for use.
As a kind of improvement of the present invention, described device comprises that also the image that is used for being transferred to the shield outside is focused at the projection objective on the screen.
As a kind of improvement of the present invention, described device also comprises and is used for the picture signal that display chip provides is focused at front end image-forming objective lens on the front end face of imaging fibre.
As another kind of situation of the present invention, described imaging fibre is selected imaging optical fiber bundle for use.
The present invention also provides a kind of video imaging device with low radiation, comprise shield, be located at the image source and the display chip of shield inside, and the screen that is used for display image, it is characterized in that: described device also comprises the electromagnetic wave blanking tube in the through hole that is installed on the described shield, and is installed in the lens combination that the image signal transmission of shield inside is arrived the shield outside in the described electromagnetic wave blanking tube.
The application of video imaging device with low radiation of the present invention in electromagnetic screen equipment.
Video imaging device with low radiation of the present invention is as the application of computer monitor.
Video imaging device with low radiation of the present invention can be converted to light signal with the picture signal in the shield, is transferred to outside the shield by being installed in optical imaging system in the electromagnetic wave blanking tube such as imaging fibre or lens combination, is focused on the screen.Screen message is not electrically connected owing to do not exist between screen and the image source, so can not produce electromagnetic radiation leakage; Because light signal passes through shield through optical imaging system such as imaging fibre or lens combination, so there is not the video signal cable electromagnetic coupled.As seen, the present invention has fundamentally solved the electromagnetic coupled and the screen message electromagnetic radiation leakage problem of traditional monitor video signal cable.Video imaging device with low radiation of the present invention can be applied in the electromagnetic screen equipment, replaces traditional monitor with screen, with the image information of displayed map image source (as equipment such as computing machines) output.Video imaging device with low radiation of the present invention can also be used as computer monitor, with the harm to the computer user of the low frequency radiation of avoiding traditional monitor.
Description of drawings
Fig. 1 is the system architecture synoptic diagram of the preferred embodiments of the present invention.
Fig. 2 is the system architecture synoptic diagram of second kind of embodiment of the present invention.
Fig. 3 is the system architecture synoptic diagram of the third embodiment of the present invention.
Fig. 4 is the system architecture synoptic diagram of the 4th kind of embodiment of the present invention.
Embodiment
Further specify the present invention below in conjunction with accompanying drawing and preferred embodiment.
The system of a preferred embodiment of the present invention forms as shown in Figure 1.In this embodiment, video imaging device with low radiation comprises image source 1, display chip 2, front end image-forming objective lens 3, imaging fibre 4, electromagnetic wave blanking tube 5, projection objective 6, screen 7.Electromagnetic wave blanking tube 5 is installed in the through hole on the shield 8, imaging fibre 4 is installed in the electromagnetic wave blanking tube 5, wherein electromagnetic wave blanking tube 5 is to utilize its tube wall to stop electromagnetic wave to pass through the pipeline of shield to absorption of electromagnetic wave and reflection attenuation, selects circular waveguide in the present embodiment for use.Imaging fibre 4 is selected the imaging fibre panel for use, and described imaging fibre panel can be processed into shapes such as right cylinder, cone, multiple edge body.The display chip 2 of shield 8 inside is focused at the image that image source 1 provides on the front end face A of imaging fibre 4 by front end image-forming objective lens 3; Imaging fibre 4 is transferred to end face B thereafter with the image on its front end face A, be about to image information from shield 8 internal transmission to shield 8 outsides; Image on the imaging fibre 4 rear end face B is focused on the screen 7 in the rear-projection mode by projection objective 6, and human eye can be observed image information from the back side of screen 7.In addition, as a kind of variation pattern, the image on the imaging fibre 4 rear end face B can also be focused on the screen 7 in just throwing mode by projection objective 6, and human eye can be from the top view image information of screen 7.
The system of second kind of embodiment of the present invention forms as shown in Figure 2.In this embodiment, video imaging device with low radiation comprises image source 1, display chip 2, imaging fibre 4, electromagnetic wave blanking tube 5, projection objective 6, screen 7.Electromagnetic wave blanking tube 5 is selected circular waveguide in the present embodiment for use, is installed in the through hole on the shield 8.Imaging fibre 4 is installed in the electromagnetic wave blanking tube 5, and imaging fibre 4 is selected the imaging fibre panel for use, and described imaging fibre panel can be processed into shapes such as right cylinder, cone, multiple edge body.The A end face of imaging fibre 4 directly contacts with display chip 2 surfaces by firmware; The image that display chip 2 provides image source 1 directly is focused on the front end face A of imaging fibre 4, and imaging fibre 4 is transferred to end face B thereafter with the image on its front end face A, be about to image information from shield 8 internal transmission to shield 8 outsides; Image on the imaging fibre 4 rear end face B is focused on the screen 7 in just throwing mode by projection objective 6, and human eye can be from the top view image information of screen 7.In addition, as a kind of variation pattern, the image on the imaging fibre 4 rear end face B can also be focused on the screen 7 in the rear-projection mode by projection objective 6, and human eye can be observed image information from the back side of screen 7.
The system of the third embodiment of the present invention forms as shown in Figure 3.In this embodiment, video imaging device with low radiation comprises image source 1, display chip 2, imaging optical fiber bundle 9, electromagnetic wave blanking tube 5, screen 7 etc.Electromagnetic wave blanking tube 5 is selected circular waveguide in the present embodiment for use, is installed in the through hole on the shield 8; The front end of imaging optical fiber bundle 9 can directly be connected with the surface of display chip by firmware; After imaging optical fiber bundle 9 passes electromagnetic wave blanking tube 5, be radial and disperse, end can directly be connected to screen 7 by firmware.The image that display chip 2 produces directly is focused on the screen 7 through imaging optical fiber bundle 9, and human eye can be observed image information from the back side of screen 7.
The system of the 4th kind of embodiment of the present invention forms as shown in Figure 4.In this embodiment, video imaging device with low radiation comprises image source 1, display chip 2, lens combination 10, electromagnetic wave blanking tube 5, screen 7.Electromagnetic wave blanking tube 5 is selected circular waveguide in the present embodiment for use, is installed in the through hole on the shield 8; Lens combination 10 is installed in the electromagnetic wave blanking tube 5; Display chip 2 is connected by the front end of firmware with lens combination 10; The image that display chip 2 produces is focused on the screen 7 in just throwing mode through described lens combination 10, and human eye can be from the top view image information of screen 7.In addition, as a kind of variation pattern, the image that display chip 2 produces can also be focused on the screen 7 in the rear-projection mode through described lens combination 10, and human eye can be observed image information from the back side of screen 7.
In above-mentioned four kinds of embodiment, image source 1 can be equipment such as computing machine, TV.Display chip 2 can be DMD, LCD, LCOS etc.; Described display chip 2 can be monochromatic or colored; Described display chip 2 can be made of monolithic or multi-disc (for example 3).Typically, described electromagnetic wave blanking tube 5 can adopt the waveguide of shapes such as circle, polygon; Described electromagnetic wave blanking tube 5 can adopt metal material, or adopts the nonmetallic materials of surperficial spray metal coating to make.Screen 7 is just to throw screen or rear projection screen, and it can be the diffuser screen of spraying nano material, can be frosted glass, also can be the screen with other media formations of scattering process.Typically, described shield 8 can be low leak supervision platform or electromagnetic screen machine table.
Video imaging device with low radiation of the present invention can be applied in the electromagnetic screen equipment, replaces traditional monitor with screen, with the image information of displayed map image source (as equipment such as computing machines) output.
In addition, video imaging device with low radiation of the present invention can also be used as computer monitor, with the harm to the computer user of the low frequency radiation of avoiding traditional monitor.
Claims (12)
1. video imaging device with low radiation, comprise shield (8), be located at shield (8) inner image source (1) and display chip (2), and the screen (7) that is used for display image, it is characterized in that: described device also comprises the electromagnetic wave blanking tube (5) in the through hole that is installed on the described shield (8), and the image signal transmission that shield (8) is inner that is installed in the described electromagnetic wave blanking tube (5) arrives the outside imaging fibre (4) of shield (8).
2. video imaging device with low radiation according to claim 1 is characterized in that: described electromagnetic wave blanking tube (5) is circle or polygonal.
3. video imaging device with low radiation according to claim 1 is characterized in that: described electromagnetic wave blanking tube (5) adopts metal material, or adopts the nonmetallic materials of surperficial spray metal coating.
4. video imaging device with low radiation according to claim 1 is characterized in that: described imaging fibre (4) is selected the imaging fibre panel for use.
5. video imaging device with low radiation according to claim 4 is characterized in that: described device also comprise be used for will be transferred to the outside image of shield (8) be focused at projection objective (6) on the screen (7).
6. according to claim 4 or 5 described video imaging device with low radiation, it is characterized in that: described device also comprises and is used for the picture signal that display chip (2) provides is focused at front end image-forming objective lens (3) on the front end face of imaging fibre (4).
7. video imaging device with low radiation according to claim 1 is characterized in that: described imaging fibre (4) is selected imaging optical fiber bundle for use.
8. video imaging device with low radiation according to claim 1 is characterized in that: screen (7) is just to throw screen or rear projection screen.
9. video imaging device with low radiation according to claim 1 is characterized in that: described shield (8) is low leak supervision platform or electromagnetic screen machine table.
10. electromagnetic screen equipment, it is characterized in that: described electromagnetic screen equipment comprises the described video imaging device with low radiation of claim 1.
11. a computer monitor is characterized in that: described computer monitor comprises the described video imaging device with low radiation of claim 1.
12. video imaging device with low radiation, comprise shield (8), be located at shield (8) inner image source (1) and display chip (2), and the screen (7) that is used for display image, it is characterized in that: described device also comprises the electromagnetic wave blanking tube (5) in the through hole that is installed on the described shield (8), and the image signal transmission that shield (8) is inner that is installed in the described electromagnetic wave blanking tube (5) arrives the outside lens combination (10) of shield (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101124524A CN100432722C (en) | 2006-08-18 | 2006-08-18 | Video imaging device with low radiation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101124524A CN100432722C (en) | 2006-08-18 | 2006-08-18 | Video imaging device with low radiation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1908710A CN1908710A (en) | 2007-02-07 |
| CN100432722C true CN100432722C (en) | 2008-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006101124524A Expired - Fee Related CN100432722C (en) | 2006-08-18 | 2006-08-18 | Video imaging device with low radiation |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101344714B (en) * | 2007-07-11 | 2010-08-18 | 安方高科信息安全技术(北京)有限公司 | Optical display shielding machine and its electromagnetic shielding desk |
| CN101201532A (en) * | 2007-11-26 | 2008-06-18 | 黄峰彪 | Optical fiber panel display assembly |
| CN101498812B (en) * | 2008-01-30 | 2011-04-13 | 黄峰彪 | Method for integrating multiple images into one image and its display module |
| CN106842781A (en) * | 2017-04-18 | 2017-06-13 | 北京至诚安邦信息技术有限公司 | Projector apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2452220Y (en) * | 2000-11-20 | 2001-10-03 | 宋树魁 | Environment protection optical fibric TV set |
| CN200944645Y (en) * | 2006-08-18 | 2007-09-05 | 安方高科信息安全技术(北京)有限公司 | Low radiation video imaging device |
-
2006
- 2006-08-18 CN CNB2006101124524A patent/CN100432722C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2452220Y (en) * | 2000-11-20 | 2001-10-03 | 宋树魁 | Environment protection optical fibric TV set |
| CN200944645Y (en) * | 2006-08-18 | 2007-09-05 | 安方高科信息安全技术(北京)有限公司 | Low radiation video imaging device |
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| CN1908710A (en) | 2007-02-07 |
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Owner name: ANFANG HI-TECH INFORMATION SECURITY TECHNOLOGY (B Free format text: FORMER OWNER: ANFANG HI-TECH INFORMATION SECURITY TECHNOLOGY (BEIJING) CO., LTD. Effective date: 20070316 |
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Effective date of registration: 20070316 Address after: 100094, Beijing Haidian District Zhongguancun Yongfeng industrial base, No. 9 East Feng Tak Road Applicant after: Anfang High-tech Information Security Technology(Beijing) Co., Ltd. Co-applicant after: Yang Zigang Address before: 100094, Beijing Haidian District Zhongguancun Yongfeng industrial base, No. 9 East Feng Tak Road Applicant before: Anfang High-tech Information Security Technology(Beijing) Co., Ltd. |
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