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AU2001244939A1 - Overhead projector - Google Patents

Overhead projector

Info

Publication number
AU2001244939A1
AU2001244939A1 AU2001244939A AU4493901A AU2001244939A1 AU 2001244939 A1 AU2001244939 A1 AU 2001244939A1 AU 2001244939 A AU2001244939 A AU 2001244939A AU 4493901 A AU4493901 A AU 4493901A AU 2001244939 A1 AU2001244939 A1 AU 2001244939A1
Authority
AU
Australia
Prior art keywords
overhead projector
projector
overhead
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.)
Abandoned
Application number
AU2001244939A
Inventor
Wanja Bellander
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.)
Individual
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 AU2001244939A1 publication Critical patent/AU2001244939A1/en
Abandoned 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
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
AU2001244939A 2000-04-05 2001-03-30 Overhead projector Abandoned AU2001244939A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0001281A SE516279C2 (en) 2000-04-05 2000-04-05 oVERHEAD PROJECTOR
SE0001281 2000-04-05
PCT/SE2001/000653 WO2001075520A1 (en) 2000-04-05 2001-03-30 Overhead projector

Publications (1)

Publication Number Publication Date
AU2001244939A1 true AU2001244939A1 (en) 2001-10-15

Family

ID=20279217

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001244939A Abandoned AU2001244939A1 (en) 2000-04-05 2001-03-30 Overhead projector

Country Status (5)

Country Link
US (1) US6783243B2 (en)
EP (1) EP1279066A1 (en)
AU (1) AU2001244939A1 (en)
SE (1) SE516279C2 (en)
WO (1) WO2001075520A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4649107B2 (en) * 2003-12-22 2011-03-09 キヤノン株式会社 Scanning image projection device
JP5564421B2 (en) * 2007-06-21 2014-07-30 ザ・ジョンズ・ホプキンス・ユニバーシティ Operating device for navigating virtual microscope slides / digital images and associated methods.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6117134A (en) * 1984-04-13 1986-01-25 デモルツクス・ゲ−・エム・ベ−・ハ−・ウント・コンパニ−・カ−・ゲ− Overhead type projector
US4818074A (en) * 1986-09-03 1989-04-04 Ricoh Company, Ltd. Projection device for irradiating a light to a display device and optically magnifying and projecting a reflection light therefrom
JPH04174828A (en) * 1990-11-08 1992-06-23 Ricoh Co Ltd Protection film and document film projecting method
US5206673A (en) * 1991-02-22 1993-04-27 Japan Aviation Electronics Industry Limited Reflection type overhead projector
US5333072A (en) * 1992-12-31 1994-07-26 Minnesota Mining And Manufacturing Company Reflective liquid crystal display overhead projection system using a reflective linear polarizer and a fresnel lens
US5260730A (en) * 1993-01-25 1993-11-09 Numa Corporation Optical overhead projector for electronic images
WO1996019752A1 (en) * 1994-12-22 1996-06-27 Philips Electronics N.V. Presentation system with overhead projector

Also Published As

Publication number Publication date
EP1279066A1 (en) 2003-01-29
SE516279C2 (en) 2001-12-10
SE0001281D0 (en) 2000-04-05
US20030048426A1 (en) 2003-03-13
WO2001075520A1 (en) 2001-10-11
SE0001281L (en) 2001-10-06
US6783243B2 (en) 2004-08-31

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