IN171903B - - Google Patents

Info

Publication number
IN171903B
IN171903B IN494/MAS/88A IN494MA1988A IN171903B IN 171903 B IN171903 B IN 171903B IN 494MA1988 A IN494MA1988 A IN 494MA1988A IN 171903 B IN171903 B IN 171903B
Authority
IN
India
Application number
IN494/MAS/88A
Other languages
English (en)
Inventor
Berglund Stig
Original Assignee
Nova Onab Optica Ab
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 Nova Onab Optica Ab filed Critical Nova Onab Optica Ab
Publication of IN171903B publication Critical patent/IN171903B/en

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
    • G03B21/28—Reflectors in projection beam
    • 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)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)
IN494/MAS/88A 1987-01-22 1988-07-13 IN171903B (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8700245A SE8700245D0 (sv) 1987-01-22 1987-01-22 Projektionsanordning

Publications (1)

Publication Number Publication Date
IN171903B true IN171903B (ja) 1993-02-06

Family

ID=20367257

Family Applications (1)

Application Number Title Priority Date Filing Date
IN494/MAS/88A IN171903B (ja) 1987-01-22 1988-07-13

Country Status (4)

Country Link
JP (1) JPS63188125A (ja)
KR (1) KR890700852A (ja)
IN (1) IN171903B (ja)
SE (2) SE8700245D0 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010020230A (ja) * 2008-07-14 2010-01-28 Nanao Corp 立体画像表示装置

Also Published As

Publication number Publication date
SE457022B (sv) 1988-11-21
SE8701304D0 (sv) 1987-03-30
SE8700245D0 (sv) 1987-01-22
KR890700852A (ko) 1989-04-27
SE8701304L (sv) 1988-10-01
JPS63188125A (ja) 1988-08-03

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