EP0931275A4 - Optical projection apparatus and method - Google Patents

Optical projection apparatus and method

Info

Publication number
EP0931275A4
EP0931275A4 EP96933567A EP96933567A EP0931275A4 EP 0931275 A4 EP0931275 A4 EP 0931275A4 EP 96933567 A EP96933567 A EP 96933567A EP 96933567 A EP96933567 A EP 96933567A EP 0931275 A4 EP0931275 A4 EP 0931275A4
Authority
EP
European Patent Office
Prior art keywords
projection apparatus
optical projection
optical
projection
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.)
Withdrawn
Application number
EP96933567A
Other languages
German (de)
French (fr)
Other versions
EP0931275A1 (en
Inventor
Leo Beiser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SCRAM TECHNOLOGIES Inc
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0931275A1 publication Critical patent/EP0931275A1/en
Publication of EP0931275A4 publication Critical patent/EP0931275A4/en
Withdrawn legal-status Critical Current

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)
EP96933567A 1996-10-08 1996-10-08 Optical projection apparatus and method Withdrawn EP0931275A4 (en)

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

Publications (2)

Publication Number Publication Date
EP0931275A1 EP0931275A1 (en) 1999-07-28
EP0931275A4 true EP0931275A4 (en) 2000-03-01

Family

ID=11004485

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96933567A Withdrawn EP0931275A4 (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)

* Cited by examiner, † Cited by third party
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
CA2525254A1 (en) * 2003-05-13 2004-12-25 Scram Technologies, Inc Precision optical system for display panel
WO2009064467A1 (en) * 2007-11-15 2009-05-22 Tharpe Christopher S Display

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3212397A (en) * 1962-06-25 1965-10-19 Wendell S Miller Keystone-distortion controlling system
EP0421420A2 (en) * 1989-10-04 1991-04-10 The Spectranetics Corporation Optical fiber coupler with linear input
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5220363A (en) * 1988-09-14 1993-06-15 Casio Computer Co., Ltd. Projector
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3212397A (en) * 1962-06-25 1965-10-19 Wendell S Miller Keystone-distortion controlling system
EP0421420A2 (en) * 1989-10-04 1991-04-10 The Spectranetics Corporation Optical fiber coupler with linear input
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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 09 31 October 1995 (1995-10-31) *
See also references of WO9815164A3 *

Also Published As

Publication number Publication date
WO1998015164A3 (en) 1998-08-27
EP0931275A1 (en) 1999-07-28
CA2305268A1 (en) 1998-04-16
WO1998015164A2 (en) 1998-04-16
CA2305268C (en) 2005-12-27

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Legal Events

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Owner name: SCRAM TECHNOLOGIES, INC.

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Inventor name: BEISER, LEO

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