Patent US5678910A successfully refreshed from Google Patents.
US5678910A
Expired / Lapsed
US
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Multiple angle projection for 3-D imagery
Assignee: Trutan Pty Ltd
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Filing: 1995-11-30
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Granted: 1997-10-21
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Expires: 2015-11-30
Abstract
Abstract The method and apparatus function to form three-dimensional imagery on plural screen surfaces (2) which are formed by changing planes of imagery. One or more projectors (4) project a plurality of images onto the screen surface from a common axis. The planes of imagery on the screens (2) which are projected by said one or more projectors (4), change at such a speed that, to the eye, the images appear simultaneously in three-dimensional form on said screen surfaces (2).
Inventors
- 👤 Donald Lewis Maunsell Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:23
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/56; G03B21/562; G02; G02B; G02B30/00; G02B30/50; G03B35/00; G03B35/18; G03B35/20; H; H04; H04N; H04N13/00; H04N13/30; H04N13/363; H04N13/388; H04N13/393; H04N13/398; H04N13/10; H04N13/189; H04N13/194; H04N13/20; H04N13/204; H04N13/207; H04N13/221; H04N13/239; H04N13/243; H04N13/302; H04N13/305; H04N13/31; H04N13/322; H04N13/324; H04N13/332; H04N13/334; H04N13/337; H04N13/341
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
206 words
A method for creating three dimensional imagery on at least one screen surface, said at least one screen surface being rotated about a common center and about at least one horizontal or vertical axis to form a plurality of changing planes of imagery, the method comprising: projecting at least one image at a screen surface of said at least one screen surface from at least one projector spaced apart from said screen surface, said projecting of said at least one image being without modulation or reflection of said at least one image between said at least one projector and said screen screen surface, said at least one projector originating said at least one image, at least one of said at least one projector being mounted about a common center at a preselected fixed focal length from said screen surface, such that said at least one image is displayed on said screen surface at angles substantially corresponding to angles at which said plurality of changing planes of imagery are located; wherein said plurality of changing planes of imagery change at such a speed and said at least one image is so projected that said at least one image appears simultaneously and in three dimensions to an observer.
Claim 2
Independent Claim
206 words
A method for creating three dimensional imagery on at least one screen surface, said at least one screen surface being rotated about a common center and about at least one horizontal or vertical axis to form a plurality of changing planes of imagery, the method comprising: projecting at least one image at a screen surface of said at least one screen surface from at least one projector spaced apart from said screen surface, said projecting of said at least one image being without modulation or reflection of said at least one image between said at least one projector and said screen screen surface, said at least one projector originating said at least one image, at least one of said at least one projector being mounted about a common center at a preselected fixed focal length from said screen surface, such that said at least one image is displayed on said screen surface at angles substantially corresponding to angles at which said plurality of changing planes of imagery are located; wherein said plurality of changing planes of imagery change at such a speed and said at least one image is so projected that said at least one image appears simultaneously and in three dimensions to an observer.
Claim 3
Dependent Claim
44 words
A method according to claim 1, wherein multiple projectors are spaced apart from a common center of said at least one image and project multiple images at said screen surface from determined angles relative to said common center of said at least one image.
Claim 4
Dependent Claim
50 words
A method according to claim 1, wherein said at least one image displayed on said screen surface at said angles are projected onto said screen surface, said screen surface being formed by changing planes by a projector located at a preselected focal length from and relative to said screen surface.
Claim 5
Dependent Claim
26 words
A method according to claim 2 or 3, wherein said at least one image appears to have volume in space to an eye of an observer.
Claim 6
Dependent Claim
40 words
A method according to claim 4, wherein said at least one screen surface and said at least one projector rotate in synchronization with movement of said at least one screen surface about said at least one horizontal or vertical axis.
Claim 7
Dependent Claim
73 words
A method according to claim 5, wherein a plurality of projectors are mounted about and relative to said at least one screen surface at predetermined angles relative thereto and about a common center, and wherein the projectors are pulsed or shuttered as said at least one screen surface rotates, forming a plurality of changing planes of imagery such that said at least one image appears to said eye simultaneously in three dimensional form.
Claim 8
Dependent Claim
27 words
A method according to claim 6, wherein said at least one screen surface is formed at a point where projected light forms said changing planes of imagery.
References Cited (Backward Citations)
US4158487A
Cited
US4319805A
Cited
US4431280A
Cited
US5082350A
Cited
US4983031A
Cited
US4943851A
Cited
US5148310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-10-20 | 2001-04-21 | 2001-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-10-20 | 2005-04-21 | 2005-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-10-20 | 2009-04-21 | 2009-10-21 | $7700.00 | Window Closed / Lapsed |