IT1087294B - Schermo di proiezione e procedimento per la sua fabbricazione - Google Patents

Schermo di proiezione e procedimento per la sua fabbricazione

Info

Publication number
IT1087294B
IT1087294B IT29463/77A IT2946377A IT1087294B IT 1087294 B IT1087294 B IT 1087294B IT 29463/77 A IT29463/77 A IT 29463/77A IT 2946377 A IT2946377 A IT 2946377A IT 1087294 B IT1087294 B IT 1087294B
Authority
IT
Italy
Prior art keywords
procedure
manufacture
projection screen
projection
screen
Prior art date
Application number
IT29463/77A
Other languages
English (en)
Italian (it)
Original Assignee
Landis & Gyr Ag
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 Landis & Gyr Ag filed Critical Landis & Gyr Ag
Application granted granted Critical
Publication of IT1087294B publication Critical patent/IT1087294B/it

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
    • G03B21/602—Lenticular screens
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24496—Foamed or cellular component
    • Y10T428/24504—Component comprises a polymer [e.g., rubber, etc.]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Optical Elements Other Than Lenses (AREA)
IT29463/77A 1976-11-16 1977-11-09 Schermo di proiezione e procedimento per la sua fabbricazione IT1087294B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1437976A CH604205A5 (en:Method) 1976-11-16 1976-11-16

Publications (1)

Publication Number Publication Date
IT1087294B true IT1087294B (it) 1985-06-04

Family

ID=4400313

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29463/77A IT1087294B (it) 1976-11-16 1977-11-09 Schermo di proiezione e procedimento per la sua fabbricazione

Country Status (8)

Country Link
US (1) US4297001A (en:Method)
JP (2) JPS5363015A (en:Method)
CH (1) CH604205A5 (en:Method)
DE (1) DE2655527C2 (en:Method)
FR (1) FR2370997A1 (en:Method)
GB (1) GB1569468A (en:Method)
IT (1) IT1087294B (en:Method)
SE (1) SE421457B (en:Method)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS561929A (en) * 1979-06-20 1981-01-10 Sharp Corp Screen device
US4268118A (en) 1979-09-05 1981-05-19 Minnesota Mining And Manufacturing Company Sheeting useful as a projection screen
US4548470A (en) * 1984-06-11 1985-10-22 Apogee, Inc. Projection screen
JPS63120243U (en:Method) * 1987-01-29 1988-08-03
EP0312046B1 (en) * 1987-10-14 1994-07-27 Hitachi, Ltd. Apparatus and method for inspecting defect of mounted component with slit light
US6307674B1 (en) * 1994-03-29 2001-10-23 Lasersurge, Inc. Video display system for locating a projected image adjacent a surgical field
EP1692566A4 (en) * 2003-10-09 2009-02-25 Merlin Technology Ltd Liabilit PROJECTION RECEPTION SURFACE, WHICH WORKS IN AMBIENT LIGHT
US7123411B2 (en) * 2003-11-18 2006-10-17 Merlin Technology Limited Liability Company Reflective multi-image surface
US7268950B2 (en) * 2003-11-18 2007-09-11 Merlin Technology Limited Liability Company Variable optical arrays and variable manufacturing methods
US7619824B2 (en) * 2003-11-18 2009-11-17 Merlin Technology Limited Liability Company Variable optical arrays and variable manufacturing methods
DE10359084A1 (de) * 2003-12-17 2005-07-21 Hahn, Harry K., Dipl.-Ing. (FH) Bildwand
JP4285259B2 (ja) * 2004-01-30 2009-06-24 凸版印刷株式会社 反射型スクリーン
US7911693B2 (en) * 2006-03-20 2011-03-22 Hewlett-Packard Development Company, L.P. Ambient light absorbing screen
US7864420B2 (en) * 2007-07-20 2011-01-04 Seiko Epson Corporation Screen
US9417514B2 (en) 2011-10-27 2016-08-16 3M Innovative Properties Company Polarization preserving 3D screen

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2328219A (en) * 1938-10-29 1943-08-31 Polaroid Corp Light polarizer and process of manufacture
US2454515A (en) * 1938-10-29 1948-11-23 Polaroid Corp Light-polarizing sheet of molecularly oriented transparent linear high polymer dyed with dichroic substance and process of manufacture
US2237567A (en) * 1939-05-04 1941-04-08 Polaroid Corp Light polarizer and process of manufacturing the same
FR927797A (fr) * 1945-06-12 1947-11-10 Du Mont Allen B Lab Inc Perfectionnement aux écrans de projection et procédé de fabrication de ces écrans
US3154461A (en) * 1960-03-07 1964-10-27 Minnesota Mining & Mfg Matte-finish polymeric film and method of forming the same
US3214234A (en) * 1963-05-21 1965-10-26 Phillips Petroleum Co Oriented foamed polyolefin extrudates and the production and dyeing of the same
US3408132A (en) * 1966-11-21 1968-10-29 Eastman Kodak Co Projection screen
US3607596A (en) * 1968-07-10 1971-09-21 Fmc Corp Cellular article
US3622223A (en) * 1970-01-16 1971-11-23 Brakell Products Pty Ltd Projection screens
CA971012A (en) * 1972-03-27 1975-07-15 Robert N. Wolfe Projection screen fabrication techniques
JPS49109037A (en:Method) * 1973-02-19 1974-10-17
JPS49131437A (en:Method) * 1973-04-20 1974-12-17

Also Published As

Publication number Publication date
SE421457B (sv) 1981-12-21
FR2370997A1 (fr) 1978-06-09
GB1569468A (en) 1980-06-18
JPS57135941A (en) 1982-08-21
SE7712655L (sv) 1978-05-17
JPS5363015A (en) 1978-06-06
CH604205A5 (en:Method) 1978-08-31
DE2655527C2 (de) 1978-12-21
US4297001A (en) 1981-10-27
DE2655527B1 (de) 1978-04-27

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