IT1162620B - PROJECTION SCREEN FOR TRANSPARENCY - Google Patents

PROJECTION SCREEN FOR TRANSPARENCY

Info

Publication number
IT1162620B
IT1162620B IT48519/79A IT4851979A IT1162620B IT 1162620 B IT1162620 B IT 1162620B IT 48519/79 A IT48519/79 A IT 48519/79A IT 4851979 A IT4851979 A IT 4851979A IT 1162620 B IT1162620 B IT 1162620B
Authority
IT
Italy
Prior art keywords
transparency
projection screen
projection
screen
Prior art date
Application number
IT48519/79A
Other languages
Italian (it)
Other versions
IT7948519A0 (en
Original Assignee
Freen Ltd
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 Freen Ltd filed Critical Freen Ltd
Publication of IT7948519A0 publication Critical patent/IT7948519A0/en
Application granted granted Critical
Publication of IT1162620B publication Critical patent/IT1162620B/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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • G03B21/625—Lenticular translucent screens
    • 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)
  • Overhead Projectors And Projection Screens (AREA)
IT48519/79A 1978-04-05 1979-03-28 PROJECTION SCREEN FOR TRANSPARENCY IT1162620B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA300493 1978-04-05

Publications (2)

Publication Number Publication Date
IT7948519A0 IT7948519A0 (en) 1979-03-28
IT1162620B true IT1162620B (en) 1987-04-01

Family

ID=4111160

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48519/79A IT1162620B (en) 1978-04-05 1979-03-28 PROJECTION SCREEN FOR TRANSPARENCY

Country Status (9)

Country Link
JP (1) JPS54134431A (en)
AU (1) AU4548479A (en)
BE (1) BE875231A (en)
BR (1) BR7902040A (en)
DE (1) DE2912719A1 (en)
FR (1) FR2422185A1 (en)
GB (1) GB2022861A (en)
IT (1) IT1162620B (en)
NL (1) NL7902173A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5923334A (en) * 1982-07-29 1984-02-06 Victor Co Of Japan Ltd Transmission type screen
JPS5960643U (en) * 1982-10-15 1984-04-20 大日本印刷株式会社 Lenticular lens sheet
JPS59121034A (en) * 1982-12-27 1984-07-12 Mitsubishi Rayon Co Ltd Transmission type screen
NL8503526A (en) * 1985-12-20 1987-07-16 Philips Nv TRANSPARENT PROJECTION SCREEN.
US4927233A (en) * 1989-03-06 1990-05-22 Mitsubishi Rayon Co., Ltd. Rear projection screen
US5760955A (en) * 1995-04-06 1998-06-02 Philips Electronics North America Corporation Rear projection screen with reduced speckle
JPH0926624A (en) * 1996-04-26 1997-01-28 Hitachi Ltd Screen for projection
US20060061861A1 (en) * 2004-09-23 2006-03-23 Reflexite Corporation High performance rear-projection screen
US8000006B2 (en) 2009-07-02 2011-08-16 Morgan Adhesives Company Rear-projection screen

Also Published As

Publication number Publication date
JPS54134431A (en) 1979-10-18
IT7948519A0 (en) 1979-03-28
FR2422185A1 (en) 1979-11-02
GB2022861A (en) 1979-12-19
NL7902173A (en) 1979-10-09
BE875231A (en) 1979-07-16
BR7902040A (en) 1979-11-27
DE2912719A1 (en) 1979-10-11
AU4548479A (en) 1979-10-18

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