FR2217718A1 - - Google Patents

Info

Publication number
FR2217718A1
FR2217718A1 FR7404506A FR7404506A FR2217718A1 FR 2217718 A1 FR2217718 A1 FR 2217718A1 FR 7404506 A FR7404506 A FR 7404506A FR 7404506 A FR7404506 A FR 7404506A FR 2217718 A1 FR2217718 A1 FR 2217718A1
Authority
FR
France
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
Application number
FR7404506A
Other languages
French (fr)
Other versions
FR2217718B3 (en
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.)
Bausch and Lomb Inc
Original Assignee
Bausch and Lomb Inc
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 Bausch and Lomb Inc filed Critical Bausch and Lomb Inc
Publication of FR2217718A1 publication Critical patent/FR2217718A1/fr
Application granted granted Critical
Publication of FR2217718B3 publication Critical patent/FR2217718B3/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0081—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. enlarging, the entrance or exit pupil
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
    • G02B21/364—Projection microscopes
    • 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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/602—Lenticular screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Microscoopes, Condenser (AREA)
FR7404506A 1973-02-12 1974-02-11 Expired FR2217718B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33190473A 1973-02-12 1973-02-12

Publications (2)

Publication Number Publication Date
FR2217718A1 true FR2217718A1 (en) 1974-09-06
FR2217718B3 FR2217718B3 (en) 1976-11-26

Family

ID=23295860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7404506A Expired FR2217718B3 (en) 1973-02-12 1974-02-11

Country Status (3)

Country Link
JP (1) JPS49114434A (en)
DE (1) DE2406168A1 (en)
FR (1) FR2217718B3 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2308945A1 (en) * 1975-04-24 1976-11-19 Eastman Kodak Co PROJECTION SCREEN, APPARATUS AND METHOD FOR ITS MANUFACTURING
WO1994027177A1 (en) * 1993-05-17 1994-11-24 Robin John Freeman Optical instrument and optical element thereof
US6028704A (en) * 1993-05-17 2000-02-22 Freeman; Robin John Optical instrument and optical element thereof
US6608720B1 (en) 1997-06-02 2003-08-19 Robin John Freeman Optical instrument and optical element thereof

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616217A (en) * 1981-05-22 1986-10-07 The Marconi Company Limited Visual simulators, computer generated imagery, and display systems
JPH03500214A (en) * 1987-09-09 1991-01-17 ファントリッヒ、ハインツ・ユルゲン light guide plate device
US5701132A (en) * 1996-03-29 1997-12-23 University Of Washington Virtual retinal display with expanded exit pupil
DE10139355A1 (en) * 2001-08-17 2003-02-27 Lissotschenko Vitalij Arrangement and device for optical beam homogenization
US6954308B2 (en) 2001-11-02 2005-10-11 Microvision, Inc. Apparatus and methods for generating multiple exit-pupil images in an expanded exit pupil
US6768588B2 (en) 2001-11-02 2004-07-27 Microvision, Inc. Apparatus and methods for generating multiple exit-pupil images in an expanded exit pupil
US7339737B2 (en) 2004-04-23 2008-03-04 Microvision, Inc. Beam multiplier that can be used as an exit-pupil expander and related system and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2308945A1 (en) * 1975-04-24 1976-11-19 Eastman Kodak Co PROJECTION SCREEN, APPARATUS AND METHOD FOR ITS MANUFACTURING
WO1994027177A1 (en) * 1993-05-17 1994-11-24 Robin John Freeman Optical instrument and optical element thereof
US6028704A (en) * 1993-05-17 2000-02-22 Freeman; Robin John Optical instrument and optical element thereof
US6608720B1 (en) 1997-06-02 2003-08-19 Robin John Freeman Optical instrument and optical element thereof

Also Published As

Publication number Publication date
JPS49114434A (en) 1974-10-31
DE2406168A1 (en) 1974-08-15
FR2217718B3 (en) 1976-11-26

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Legal Events

Date Code Title Description
ST Notification of lapse