CA2305268A1 - Optical projection apparatus and method - Google Patents
Optical projection apparatus and method Download PDFInfo
- Publication number
- CA2305268A1 CA2305268A1 CA002305268A CA2305268A CA2305268A1 CA 2305268 A1 CA2305268 A1 CA 2305268A1 CA 002305268 A CA002305268 A CA 002305268A CA 2305268 A CA2305268 A CA 2305268A CA 2305268 A1 CA2305268 A1 CA 2305268A1
- Authority
- CA
- Canada
- Prior art keywords
- image
- projection apparatus
- optical projection
- input surface
- focus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/147—Optical correction of image distortions, e.g. keystone
-
- 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
- G03B37/06—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe involving anamorphosis
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lenses (AREA)
Abstract
An optical system for displaying an image comprising means for illuminating an object (211) and directing the image light to a display device (205) having an input surface and an output surface. Anamorphic optical means (Ch, Cv) are disposed between the object and the input surface operative to focus one directional component of the image at the input surface and to focus a different directional component of the image at the output surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002460450A CA2460450C (en) | 1996-10-08 | 1996-10-08 | Optical projection apparatus and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB1996/001129 WO1998015164A2 (en) | 1996-10-08 | 1996-10-08 | Optical projection apparatus and method |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002460450A Division CA2460450C (en) | 1996-10-08 | 1996-10-08 | Optical projection apparatus and method |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2305268A1 true CA2305268A1 (en) | 1998-04-16 |
CA2305268C CA2305268C (en) | 2005-12-27 |
Family
ID=11004485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002305268A Expired - Fee Related CA2305268C (en) | 1996-10-08 | 1996-10-08 | Optical projection apparatus and method |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0931275A4 (en) |
CA (1) | CA2305268C (en) |
WO (1) | WO1998015164A2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6485145B1 (en) * | 1999-12-21 | 2002-11-26 | Scram Technologies, Inc. | Optical system for display panel |
US6457834B1 (en) * | 2001-01-24 | 2002-10-01 | Scram Technologies, Inc. | Optical system for display panel |
JP2007501446A (en) * | 2003-05-13 | 2007-01-25 | スクラム テクノロジーズ インコーポレイテッド | Precision optical system for display panel |
WO2009064467A1 (en) * | 2007-11-15 | 2009-05-22 | Tharpe Christopher S | Display |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3212397A (en) * | 1962-06-25 | 1965-10-19 | Wendell S Miller | Keystone-distortion controlling system |
US5220363A (en) * | 1988-09-14 | 1993-06-15 | Casio Computer Co., Ltd. | Projector |
US5016964A (en) * | 1989-10-04 | 1991-05-21 | Spectranetics Corporation | Optical fiber coupler with linear input |
US5422691A (en) * | 1991-03-15 | 1995-06-06 | Seiko Epson Corporation | Projection type displaying apparatus and illumination system |
US5455882A (en) * | 1993-09-29 | 1995-10-03 | Associated Universities, Inc. | Interactive optical panel |
US5381502A (en) * | 1993-09-29 | 1995-01-10 | Associated Universities, Inc. | Flat or curved thin optical display panel |
JPH07159721A (en) * | 1993-12-08 | 1995-06-23 | Sony Corp | Projector |
-
1996
- 1996-10-08 EP EP96933567A patent/EP0931275A4/en not_active Withdrawn
- 1996-10-08 CA CA002305268A patent/CA2305268C/en not_active Expired - Fee Related
- 1996-10-08 WO PCT/IB1996/001129 patent/WO1998015164A2/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1998015164A3 (en) | 1998-08-27 |
EP0931275A4 (en) | 2000-03-01 |
WO1998015164A2 (en) | 1998-04-16 |
EP0931275A1 (en) | 1999-07-28 |
CA2305268C (en) | 2005-12-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |