SE421457B - Projektionsskerm och sett for dess framstellning - Google Patents

Projektionsskerm och sett for dess framstellning

Info

Publication number
SE421457B
SE421457B SE7712655A SE7712655A SE421457B SE 421457 B SE421457 B SE 421457B SE 7712655 A SE7712655 A SE 7712655A SE 7712655 A SE7712655 A SE 7712655A SE 421457 B SE421457 B SE 421457B
Authority
SE
Sweden
Prior art keywords
projection screen
screen according
projection
foamed plastic
blisters
Prior art date
Application number
SE7712655A
Other languages
English (en)
Swedish (sv)
Other versions
SE7712655L (sv
Inventor
G Antes
D L Greenaway
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
Publication of SE7712655L publication Critical patent/SE7712655L/xx
Publication of SE421457B publication Critical patent/SE421457B/sv

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)
SE7712655A 1976-11-16 1977-11-09 Projektionsskerm och sett for dess framstellning SE421457B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1437976A CH604205A5 (de) 1976-11-16 1976-11-16

Publications (2)

Publication Number Publication Date
SE7712655L SE7712655L (sv) 1978-05-17
SE421457B true SE421457B (sv) 1981-12-21

Family

ID=4400313

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7712655A SE421457B (sv) 1976-11-16 1977-11-09 Projektionsskerm och sett for dess framstellning

Country Status (8)

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

Families Citing this family (14)

* 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
US4548470A (en) * 1984-06-11 1985-10-22 Apogee, Inc. Projection screen
JPS63120243U (de) * 1987-01-29 1988-08-03
EP0312046B1 (de) * 1987-10-14 1994-07-27 Hitachi, Ltd. Vorrichtung und Verfahren zur Fehlerinspektion in befestigten Bauteilen, unter Verwendung eines Lichtschlitzes
US6307674B1 (en) * 1994-03-29 2001-10-23 Lasersurge, Inc. Video display system for locating a projected image adjacent a surgical field
EP1692566A4 (de) * 2003-10-09 2009-02-25 Merlin Technology Ltd Liabilit Projektionsempfangsoberfläche, die in umgebungslicht funktioniert
US7268950B2 (en) * 2003-11-18 2007-09-11 Merlin Technology Limited Liability Company Variable optical arrays and variable manufacturing methods
WO2005049334A2 (en) * 2003-11-18 2005-06-02 Merlin Technologies, Inc. A reflective multi-image surface
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
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
US2328219A (en) * 1938-10-29 1943-08-31 Polaroid Corp Light polarizer 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 (de) * 1973-02-19 1974-10-17
JPS49131437A (de) * 1973-04-20 1974-12-17

Also Published As

Publication number Publication date
FR2370997A1 (fr) 1978-06-09
SE7712655L (sv) 1978-05-17
IT1087294B (it) 1985-06-04
CH604205A5 (de) 1978-08-31
JPS5363015A (en) 1978-06-06
JPS57135941A (en) 1982-08-21
US4297001A (en) 1981-10-27
GB1569468A (en) 1980-06-18
DE2655527C2 (de) 1978-12-21
DE2655527B1 (de) 1978-04-27

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