CN1354953A - Halo display system generating panoramic virtual image surrounding use - Google Patents
Halo display system generating panoramic virtual image surrounding use Download PDFInfo
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- CN1354953A CN1354953A CN00803786A CN00803786A CN1354953A CN 1354953 A CN1354953 A CN 1354953A CN 00803786 A CN00803786 A CN 00803786A CN 00803786 A CN00803786 A CN 00803786A CN 1354953 A CN1354953 A CN 1354953A
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/04—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with cameras or projectors providing touching or overlapping fields of view
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
- G09B9/02—Simulators for teaching or training purposes for teaching control of vehicles or other craft
- G09B9/08—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of aircraft, e.g. Link trainer
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- G09B9/301—Simulation of view from aircraft by computer-processed or -generated image
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Abstract
A halo display system generates a panoramic virtual image and includes an optical element(10)that surrounds a user's head by 360 degrees to project an annular virtual image or a portion thereof that appears to completely surround the user.
Description
Technical field
The present invention relates to a kind of virtual image display system, and relate in particular to a kind of display system with optical unit that centers on user's head, this optical unit can be that a panoramic virtual image that centers on this user carries out projection looking like, just a kind of halo display system, the head that moves him with convenient user is by 360 ° the time, and he can see a continuous virtual image at whole 360 °.
Background technology
Binocular virtual image display system comprises that a pair is positioned at the optics of user's right eye front and the optics that a pair is positioned at user's left eye front, directly appears at the virtual image of user front and watches by eyes so that can one of projection.Use these known systems, produce an enough big virtual image is very difficult with the whole horizontal field of view that obtains the user.Typically, the virtual image that is produced by known system is limited in its right and the left side.Because the user can perceive the boundary of virtual image, he feels that it is seeing a width of cloth picture rather than fully be immersed in the virtual environment.In addition, the optics of these known systems is typical supported or be placed on a user's the head, and this is because optics must be positioned near every eye of user, so that produce the virtual image of expectation.Yet in some applications, for such status requirement, such as location-based entertainment systems, military order and control system and virtual environment system do not wish that the user puts on a hat.
Summary of the invention
According to the present invention, can overcome the shortcoming of existing virtual image display system.Virtual image display system of the present invention comprises a single visual optical unit of the eyes by the user.The whole 360 ° of ground of this optical unit are round user's head, and be configured as can projection one around or seem virtual image around user's amplification, with 360 ° of convenient users' rotation also he the time, he can see a continuous virtual image in whole 360 ° scope.Because this optical unit is fully round user's head and can to produce be fully round user's a virtual image equally, the horizontal field of view of the viewed virtual image of user does not have boundary, thereby it can be immersed in the virtual environment that virtual image generated by projection fully.
More particularly, halo display system of the present invention comprises a video generator, is used to produce a kind of preferably with the circular video image of an a kind of torus shape or its part.Optical unit be annular and also hangs so that center on user's head.The optical ring unit directly comes the receiver, video image from video generator receiver, video image or through the optics of insertion that comprises reflecting element, and to look like be virtual image round the user so that projection goes out one.Optical unit forms so that the virtual image of projection is exaggerated at far-end, and it is bigger apart from user's distance than optical unit apart from user's distance to appear to the virtual image of projection, and the preferably infinity of optics.
In one embodiment of the invention, controllable during video generator, so that only produce a video image in a covering of the fan (sector) of circular video image, this covering of the fan is preferably greater than 180 °.In this embodiment, system also comprises one or more position transducers, is used for sensing is carried out in the position with account.Produce video image in response to a controller control of video generator of position transducer at a specific part, so as by the user front a part of optical ring unit it is received.Therefore, the bandwidth of system is reduced in fact, and can not influence the Visual Display of being discovered by the user.This is because the remainder of circular video image does not produce image and be blank, it be positioned at the back of user's head and therefore the user can't see.When the user rotates his head, controller is in response to the output of position transducer, the covering of the fan of the video image that produces moved, so that by the part that is positioned at user optical ring unit in front when he moves it is received.
The video generator of one embodiment of the invention can comprise a cathode-ray tube display with a spiral grating scanning, preferably carries out interlacing with one or more additional helical scannings, so that further reduce the bandwidth of system.In another embodiment of the present invention, video generator can comprise a rotatable discoidal supporting member, lay the linear array of many light-emitting diodes (LEDs) thereon, the linear array that comprises a red LED s, the linear array of a green LED s, the linear array of a blue led s.The linear array of each LEDs is arranged on the radius of disc strutting piece.When with red, green and blue video information is respectively during the modulated luminescence diode, and disk is controlled and rotates so that the circular video image with a kind of toroid is preferably scanned.In this embodiment, light-sensitive device, (CCD) can be positioned between the linear array of every couple of adjacent LEDs such as charge-coupled device.Light-sensitive device is used for the position feedback of the usefulness account that senses to controller.
In conjunction with following description and accompanying drawing, by the embodiment of detailed examples, the present invention above-mentioned with other purpose, it is clearer that advantage and novelty will become.
Description of drawings
Fig. 1 is the perspective view that virtual image display system of the present invention has been described in conjunction with a block diagram diagram of control system;
Fig. 2 is the illustrating of spiral grating scanning of the CRT shown in Fig. 1, and this scanning produces a video image with a kind of annular;
Fig. 3 is second embodiment of the video generator that is used for the virtual image display system described in Fig. 1;
Fig. 4 is the perspective view of another embodiment of virtual image display system of the present invention; With
Fig. 5 is the perspective view of another embodiment of virtual image display system of the present invention.
Embodiment
As shown in Figure 1, halo display system of the present invention comprises an optical ring unit 10 around the user, this optical ring unit 10 360 ° of expansion around user's head like this.This optical unit 10 is mirror lens, preferably has an annular reflection inner surface 11.The shape of reflective inner surface 11 is annular, so that the annular virtual image 14 of the video information of an amplification of projection, receive this video information from a video generator 12 that has minimum distortion, wherein, annular virtual image is greater than the distance of optical unit apart from the user apart from user's distance seemingly.Best, annular virtual image is projected with the infinity of optics so that the user can feel that a kind of demonstration of natural virtual image, user can be immersed in a kind of virtual environment that virtual image describes.Optical unit 10 can be made of a kind of polypropylene (acrylic) or polycarbonate material with reflectance coating of light weight.
As shown in Figure 1, in one embodiment of the invention, image generator 12 comprises a cathode ray tube (CRT) display 13 that is suspended in the user top.The CRT13 Be Controlled produce one common circular or as described below preferably with a kind of 360 ° of video images of torus shape.Utilizing white fluorescent to shield (phosphor) can be this image scanning on CRT.Pass a collimating lens 16 also therefrom by a liquid crystal colour filter 18 that is positioned at cathode-ray tube display 13 positive fronts from fluoroscopic light.Liquid crystal colour filter 18 changes the driving voltage of supplying with colour filter, and the color of colour filter 18 changes.Be suspended in around user's head on the superciliary spherical mirror lens 20 by the irradiate light of colour filter.Mirror lens 20 is reflected in the light of colour filter on the annular inner surface of optical unit 10, and optical unit 10 projections are a complete virtual image round the user by the light of colour filter as looking like then.
Best, mirror lens 20 is made of the polypropylene that has a kind of reflectance coating or the polycarbonate material of light weight.Answer attention reflex lens 20 to need not to be spherical.Particularly, mirror lens 20 preferably has a parabolical reflective outer surface, so that improve the quality of the virtual image 14 of projection.The reflecting surface of answering attention reflex lens 20 and optical unit 10 can have other shapes in addition, for example, one or two lens in the lens 10 or 20 can be aspheric surfaces, have the virtual image of minimum distortion with generation, and this is that those of ordinary skills are conspicuous.Compare with situation about among other the embodiment image directly being projected on the lens 10, use many optical surfaces, i.e. lens 10 and lens 20 can make that distortion is easier to be corrected, so that obtain high-resolution image.
Best, utilize a spiral raster scan 53 depicted in figure 2, cathode ray tube 13 is controlled to produce video images circular or 360 °.The circular portion that is positioned at scan image central authorities can be blank, so that produce video image with a kind of torus shape.The central authorities of video image are blank, because it is corresponding to user's the crown and can not perceived by the user.
Produce control system 22 control CRT13 by a video.Video produces control system 22 and comprises a controller 24 with a CPU 26, and it is according to software and be stored in the data in the memory 28 and operate.Defection signal generator 34 of controller 24 controls is to produce spiral raster scan 53.This defection signal generator 34 comprises that produces the horizontal oscillator tube that first modulated sinusoid offers a horizontal deflection driver 42, offer the vertical oscialltor 40 of a vertical deflection driver 44 with generation second modulated sinusoid, so that offer the sine wave and 90 ° of the sinusoidal wave displacements that offers vertical deflection driver 44 of horizontal deflection driver 42.Level and the frame deflector coil 46 of CRT13 is coupled in the output of level and vertical deflection driver 42 and 44 respectively, so that produce spiral raster scan 53.Amplitude modulator 36 produces a ramp signal or similar signal, so that the instantaneous radius that goes up spiral raster scan 53 for CRT provides the flyback (flyback) of control and control spiral raster scan 53.It should be noted that CRT13 preferably includes two or more staggered spiral raster scans for the bandwidth of further minimizing system.
In addition, controller 24 is also controlled a pattern generator 30, and it is stored in the video information of the presentation video that is produced by image generator 12 in the video drive buffer 32.The video information that is included in the video drive buffer 32 for given pixel is coupled to a video driver 33, with the signal that provides to be used to modulate CRT control grid 35.Specifically, the video driving signal of exporting from driver 33 is sent to the electron beam of control grid 35 with modulation CRT, thereby the luminous intensity of each location of pixels in the helical scanning on the crt panel 53 is controlled.Controller 24 makes from buffer 32 to driver timing and the level and the vertical oscialltor of the output of 33 video pixel information be coupled to the timing synchronised of the output signal of deflection driver 42 and 44, so that with each pixel of correct video information modulation helical scanning.
In addition, controller 24 also controls to the driving voltage on the circuit 37 of colour filter 18 so that red, green and basket between the color of the conversion colour filter 18 of order fast, thereby the color field of order is provided.Controller 24 make on the circuit 37 that is used for the forsequential color field driving voltage be coupled to the video information of video driver 33 and the time synchronised of level and vertical deflection signal system so that the user feels a colored virtual image.As discussed above, the central authorities that are depicted in the circular video image on cathode-ray tube display 13 fronts can be blank, so that produce a video image with a kind of annular shape.For the required bandwidth of further minimizing system, only need to produce the covering of the fan of a video image anchor ring, so only modulate the covering of the fan of corresponding spiral raster scan with video information.Therefore, in this embodiment, the image that is depicted on the CRT13 front is a kind of shape of a covering of the fan of annular.The covering of the fan of this video image anchor ring is more preferably greater than 180 °, such as about 200 °.Remaining raster scan covering of the fan of 160 ° is blank.When only producing covering of the fan of circular video image, preferably adopt one or more position transducers 48.These position transducers can be positioned in the user on one's body or be placed in a chair or similarly on the supporter of supporting user so that sensing user's position, especially the most important thing is the position of sensing user head, thereby can determine the part or the covering of the fan of the optical ring unit 10 that the user faces with respect to optical ring unit 10.Position transducer 48 is coupled to controller 24, so that the coupling of control pattern generator 30 be used to be illustrated in this video image covering of the fan on the CRT13 video information, this video information is received by the part of the optical unit 10 of user front and partly around user's expansion.Therefore, the part of the video image anchor ring blank back that is located immediately at user's head can't be seen by the user.
As shown in Figure 2, the covering of the fan A that forms the spiral raster scan of video image anchor ring 51 can modulate with video information, and covering of the fan B can be blank.The head that moves him as the user by 360 ° the time, the moving of position transducer 48 detection heads.Controller 24 is in response to the head movable signal from transducer 48, control pattern generator 30 changes the content of the video image in the modulated video image of the covering of the fan A of anchor ring 51, and the angle position that changes or rotate the video that comprises covering of the fan A and covering of the fan B, with convenient user move or the head that rotates him by 360 ° the time, he can see a continuous virtual image in whole 360 ° scope.Best, the virtual image of projection is concentrated in user's front and expands around User Part ground, thereby blank part is located immediately at the back of user's head, and the user can not perceive it.
As shown in Figure 3, in second embodiment of virtual image display system of the present invention, video generator 12 can be taked the form of a rotatable or rotating circular disk support component 60, the linear array of the many light-emitting diodes of radial arrangement (LEDs) thereon.Best, to peripheral 66, along a radius of disk or circular support member 60, video generator comprises the linear array 62 of settling a red LED s at least from a central area 64 of disk.Same, along disk 60 corresponding radiuses, video generator also comprises a green LED s linear array 68 and a blue led s linear array 70.Each redness, linear array 62,68 and 70 green and blue led s is used red respectively, green and blue video information modulation, this video information is coupled to described LEDs in response to from controller 80 a control corresponding output from source 72,74 and 76 separately.In addition, when using the LEDs of video information modulation array 62,68 and 70, disk of controller 80 controls drives 82 with this rotatable disk 60 of rotation, so that by video generator video image of shape scanning with a kind of anchor ring.It should be noted,,, can on rotating circular disk 60, lay light-emitting diode linear array more than one particular color according to the video generator of present embodiment although in Fig. 3, only described the linear array of three light emitting diode lights.Best, every adjacent linear arrays between settle a photosensor array, such as charge-coupled device (CCD), as in 84,86 and 88 places of being described. CCDs array 84,86 and 88 output are coupled to controller 80 with the position of sensing with account.Controller 80 is in response to the output from ccd array 84,86 and 88, and control to LEDs linear array 62,68 and 70 video informations that provided, so that if desired the time, produces the only video image anchor ring of a covering of the fan from each source 72,74 and 76.As mentioned above, the covering of the fan of this video image anchor ring is more preferably greater than 180 °, and greatly about 200 °, such covering of the fan receives it by the part of optical unit 10, so that it is concentrated on partly expanding of user in front and around user's head.All the other blank parts of the video image anchor ring that is received by the appropriate section of optical unit 10 are positioned at the back of user's head, thereby can not seen by the user.
Rotating circular disk 60 can be a common planar.Interchangeable, this disk can be an on-plane surface, and it can have a kind of common taper shape, as describing in the Figure 4 and 5.In Fig. 4, tapered rotating circular disk 90 has a tapered sidewalls 92 that has an inner surface 94, settles the linear array 62,68 and 70 of LEDs with forms of radiation on inner surface 94, as directed array 62 and 68.Specifically, extend to its peripheral edge 98, linear array 62,68 and 70 central area 96 expansions from disk along an outward appearance summit linearity of cone 96.The anchor ring video image that is produced by rotating circular disk 90 is reflected on the optical unit 10 by a sphere or parabola shaped mirror lens 20.If as mentioned above, only produce the image of a covering of the fan, the anchor ring virtual image round the user of an amplification of projection of optical unit 10 orders.As shown in Figure 4, optical unit 10 and mirror lens 20 and rotating circular disk 90 are supported on the support cover 100, and this support cover 100 is from a frame structure and the similar structure (not shown) that suspends.Preferably this support cover 100 can vertically be regulated so that adapt to the user of various height.In addition, disk drives 82 also by 100 supports of cover; But controller 80 can be placed on far-end, and this is that those of ordinary skills are conspicuous.In Fig. 5, rotating circular disk 112 also is common taper, as directed truncated cone, however LEDs is positioned in the outside, and tapered sidewalls 110 is opposite with an internal side wall shown in Fig. 4.In addition, tapered disk 112 is the modes with a kind of upside down position, and the top of tapered like this disk 112 114 is than big near its bottom 116 with account.In this embodiment, led array 62,68 and 70 is positioned on the sidewall 110 so that the anchor ring video image directly is projected on the optical unit 10.
Can carry out many modifications and variations to the present invention according to above-mentioned instruction.Therefore, should be clear, in the scope of appended claim, the present invention also can be implemented except above-mentioned mode.
By the desired and desired protection of endorsement of patent as claimed in claim.
Claims (45)
1. a panoramic virtual image display system comprises:
A video generator is used to produce video information; With
Optical ring unit around user's head, described optical unit is from video generator receiver, video information, and the virtual image of described video information from video generator that described optical unit is shaped so that an amplification of projection is round the user so that virtual image is looked like.
2. a kind of panoramic virtual image display system described in claim 1, wherein said video generator produces described image with at least one spiral raster scan.
3. a kind of panoramic virtual image display system described in claim 1, wherein said video generator produces images with at least two interlaced helical raster scans.
4. a kind of panoramic virtual image display system described in claim 1, wherein said video information is one and has the common circular video image that middle position is the clear area, so that form an anchor ring video image.
5. a kind of panoramic virtual image display system described in claim 4, at least one covering of the fan of wherein said anchor ring video image is blank.
6. a kind of panoramic virtual image display system described in claim 5, wherein said blank covering of the fan is less than or equal to 180 °.
7. a kind of panoramic virtual image display system described in claim 6 comprises the position transducer of user's head position of a sensing; With a controller, be used for moving, so that keep the back of described blank covering of the fan fully at user's head in response to described blank covering of the fan with the described video image of mobile control of account.
8. a kind of panoramic virtual image display system described in claim 1, wherein said optical unit has the reflecting surface of an annular.
9. a kind of panoramic virtual image display system described in claim 8, wherein said optical unit is total reflection.
10. a kind of panoramic virtual image display system described in claim 8, wherein said optical unit is partial reflection.
11. a kind of panoramic virtual image display system described in claim 1 comprises at least one mirror lens, is used for described video image is reflected in described optical unit.
12. a kind of panoramic virtual image display system described in claim 11, wherein said mirror lens is spherical.
13. a kind of panoramic virtual image display system described in claim 11, wherein said mirror lens is parabola shaped lens.
14. a kind of panoramic virtual image display system described in claim 1, wherein said video generator comprise that a cathode ray tube that has a spiral raster scan is used for the blank cycle of an anchor ring of surface sweeping with at least one.
15. a kind of panoramic virtual image display system described in claim 14, comprise that one is detected described user just at the position transducer of faces direction, and controller, modulate described scanning in response to described position transducer with video information, produce a video image so that the part of the described anchor ring virtual image of projection only in a covering of the fan of described anchor ring, the part of described projection is round user's face.
16. a kind of panoramic virtual image display system described in claim 15 comprises second blank cycle, except described covering of the fan, in the described helical scanning of regional empty of described anchor ring.
17. a kind of panoramic virtual image display system described in claim 14, wherein said cathode ray tube has white phosphor (phosphor), and described system comprises a liquid crystal colour filter that is used for receiving from cathode ray tube light, and described colour filter is controllable so that its color of change of order provides a colored virtual image.
18. a kind of panoramic virtual image display system described in claim 1, wherein said video generator comprises a rotatable common circular support member and the linear array of a plurality of light-emitting diodes, the linear array of light-emitting diode comprises the linear array of a red light emitting diodes, the linear array of the linear array of a green LED and a blue LED, each described linear array is arranged on the radius of described circular support member, when with red, green and blue video information is modulated described red, during green and blue LED, described circular support member is controlled and rotates so that a color video frequency image with a kind of at least one covering of the fan of torus shape is scanned.
19. a kind of panoramic virtual image display system described in claim 18, wherein said color video frequency image is a kind of shape of 360 ° of anchor rings.
20. a kind of panoramic virtual image display system described in claim 18, wherein said support component are a kind of common discoidal planes.
21. a kind of panoramic virtual image display system described in claim 18, wherein said support component is a kind of nonplanar common taper, described linear array is with on a kind of radial sidewall that is positioned in described taper, and extends from the peripheral edge of central area to described support component.
22. a kind of panoramic virtual image display system described in claim 18, wherein said linear array are positioned on the inner surface of described support component sidewall.
23. a kind of panoramic virtual image display system described in claim 18, wherein said linear array are positioned on the outer surface of described support component sidewall.
24. a kind of panoramic virtual image display system described in claim 18, the linear array that is included in every adjacent light emitting diode light between settle a photosensor array, be used for the position of user's head of sensing.
25. a kind of panoramic virtual image display system described in claim 24, wherein said light-sensitive device is a charge coupled device.
26. a panoramic virtual image display system comprises:
A video generator is used to produce a common circular video image; With
Optical ring unit around user's head, described optical unit receives described video image, and described optical unit is shaped so that the virtual image round user's described video image of an amplification of projection, and seems annular virtual image apart from user's distance greater than the distance of described optical unit apart from the user.
27. a kind of panoramic virtual image display system described in claim 26, wherein said video generator comprise at least one blank cycle that has the cathode ray tube of a spiral raster scan and be used to scan an anchor ring video image.
28. a kind of panoramic virtual image display system described in claim 27, comprise that one is detected described user just at the position transducer of faces direction, and controller, modulate described scanning in response to described position transducer with video information, only produce a video image in a covering of the fan of described anchor ring so that the part of the described anchor ring virtual image of projection only, the part of described projection is round user's face.
29. a kind of panoramic virtual image display system described in claim 28 comprises second blank cycle, except described covering of the fan, in the described helical scanning of regional empty of described anchor ring.
30. a kind of panoramic virtual image display system described in claim 27, wherein said cathode ray tube has white phosphor (phosphor), and described system comprises a liquid crystal colour filter that is used for receiving from cathode ray tube light, and described colour filter is controllable so that its color of change of order provides a colored virtual image.
31. a kind of panoramic virtual image display system described in claim 26, wherein said video generator comprises a rotatable common circular support member and the linear array of a plurality of light-emitting diodes, the linear array of light-emitting diode comprises the linear array of a red light emitting diodes, the linear array of the linear array of a green LED and a blue LED, each described linear array is arranged on the radius of described circular support member, when with red, green and blue video information is modulated described red, during green and blue LED, described circular support member is controlled and rotates so that a color video frequency image with a kind of at least one covering of the fan of torus shape is scanned.
32. a kind of panoramic virtual image display system described in claim 31, wherein said support component are a kind of common discoidal planes.
33. a kind of panoramic virtual image display system described in claim 31, wherein said support component is a kind of nonplanar common taper, described linear array is with on a kind of radial sidewall that is positioned in described taper, and extends from the peripheral edge of central area to it.
34. a kind of panoramic virtual image display system described in claim 31, wherein said linear array are positioned on the inner surface of described support component sidewall.
35. a kind of panoramic virtual image display system described in claim 31, wherein said linear array are positioned on the outer surface of described support component sidewall.
36. a kind of panoramic virtual image display system described in claim 31, the linear array that is included in every adjacent light emitting diode light between settle a photosensor array, be used for the position of user's head of sensing.
37. a kind of panoramic virtual image display system described in claim 36, wherein said light-sensitive device is a charge coupled device.
38. a kind of panoramic virtual image display system described in claim 26, wherein said optical unit has an annular reflection surface.
39. a kind of panoramic virtual image display system described in claim 38, wherein said optical unit is total reflection.
40. a kind of panoramic virtual image display system described in claim 38, wherein said optical unit is partial reflection.
41. a kind of panoramic virtual image display system described in claim 26 comprises a mirror lens, is used for described video image is reflected in described optical unit.
42. a kind of panoramic virtual image display system described in claim 41, wherein said mirror lens is spherical.
43. a kind of panoramic virtual image display system described in claim 41, wherein said mirror lens is a kind of parabolic lens.
44. a panoramic virtual image generator comprises:
A cathode-ray tube display;
A controlled colour filter sequentially provides color field and location at cathode-ray tube display, so that from the cathode-ray tube display receiving beam;
Be coupled to and a source of video information of ray tube display, and the controlled video information that provides, so that in the luminous intensity of a light beam of a plurality of location of pixels modulation display;
Be coupled to a beam reflection drive system of cathode-ray tube display, be used for the light beam of display is controlled, so that with a kind of spiral sweep;
A controller is used for the color field of video information and helical scanning and order is carried out synchronously, so that at least a portion of a typical circular coloured image to be provided; With
An optical system comprises an optical ring unit round user's head, and this optical system receives coloured image and it is mapped to the optical ring unit, seems image round the user so that observed by the user.
45. a panoramic virtual image generator comprises:
A rotatable common circular support member and a plurality of linear array that is placed in the light-emitting diode on this support component, each array has a kind of different color;
A source of video information that is coupled to described diode is used for video information modulated luminescence diode, when rotating with the described support component of box lunch, and at least a portion of a typical circular coloured image of scanning; With
An optical system comprises an optical ring unit round user's head, and this optical system receives coloured image, seems image round the user so that observed by the user.
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US25195799A | 1999-02-17 | 1999-02-17 | |
US09/251,957 | 1999-02-17 |
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CN00803786A Pending CN1354953A (en) | 1999-02-17 | 2000-02-14 | Halo display system generating panoramic virtual image surrounding use |
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EP (1) | EP1153510A1 (en) |
JP (1) | JP2002537733A (en) |
KR (1) | KR20010111260A (en) |
CN (1) | CN1354953A (en) |
AU (1) | AU2993900A (en) |
CA (1) | CA2363012A1 (en) |
WO (1) | WO2000049804A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107272199A (en) * | 2013-11-27 | 2017-10-20 | 奇跃公司 | Virtual and augmented reality System and method for |
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FR2950186B1 (en) * | 2009-09-17 | 2011-10-28 | Inst Nat Rech Securite | SYSTEM AND METHOD FOR SIMULATION OF AUTOMOTIVE TRUCK DRIVING |
CN104252097B (en) * | 2014-08-20 | 2017-05-03 | 吴晓军 | 360-degree panoramic cylindrical object imaging mirror design method, mirror and imaging device |
CN206594372U (en) * | 2017-03-29 | 2017-10-27 | 迎刃而解有限公司 | A kind of reflective Wrap display system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US4656506A (en) * | 1983-02-25 | 1987-04-07 | Ritchey Kurtis J | Spherical projection system |
US5023725A (en) * | 1989-10-23 | 1991-06-11 | Mccutchen David | Method and apparatus for dodecahedral imaging system |
US5130794A (en) * | 1990-03-29 | 1992-07-14 | Ritchey Kurtis J | Panoramic display system |
US5721585A (en) * | 1996-08-08 | 1998-02-24 | Keast; Jeffrey D. | Digital video panoramic image capture and display system |
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- 2000-02-14 AU AU29939/00A patent/AU2993900A/en not_active Abandoned
- 2000-02-14 WO PCT/US2000/003751 patent/WO2000049804A1/en not_active Application Discontinuation
- 2000-02-14 EP EP00908633A patent/EP1153510A1/en not_active Withdrawn
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CN107272199A (en) * | 2013-11-27 | 2017-10-20 | 奇跃公司 | Virtual and augmented reality System and method for |
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CA2363012A1 (en) | 2000-08-24 |
WO2000049804A1 (en) | 2000-08-24 |
AU2993900A (en) | 2000-09-04 |
EP1153510A1 (en) | 2001-11-14 |
KR20010111260A (en) | 2001-12-17 |
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