CH604205A5 - - Google Patents

Info

Publication number
CH604205A5
CH604205A5 CH1437976A CH1437976A CH604205A5 CH 604205 A5 CH604205 A5 CH 604205A5 CH 1437976 A CH1437976 A CH 1437976A CH 1437976 A CH1437976 A CH 1437976A CH 604205 A5 CH604205 A5 CH 604205A5
Authority
CH
Switzerland
Application number
CH1437976A
Inventor
Gregor Dipl Phys Antes
David Leslie 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
Priority to CH1437976A priority Critical patent/CH604205A5/xx
Priority to DE2655527A priority patent/DE2655527C2/de
Priority to JP13036377A priority patent/JPS5363015A/ja
Priority to IT29463/77A priority patent/IT1087294B/it
Priority to GB46649/77A priority patent/GB1569468A/en
Priority to SE7712655A priority patent/SE421457B/sv
Priority to FR7734113A priority patent/FR2370997A1/fr
Publication of CH604205A5 publication Critical patent/CH604205A5/xx
Priority to US06/095,097 priority patent/US4297001A/en
Priority to JP56209481A priority patent/JPS57135941A/ja

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)
CH1437976A 1976-11-16 1976-11-16 CH604205A5 (it)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CH1437976A CH604205A5 (it) 1976-11-16 1976-11-16
DE2655527A DE2655527C2 (de) 1976-11-16 1976-12-08 Projektionsschirm und Verfahren zu dessen Herstellung
JP13036377A JPS5363015A (en) 1976-11-16 1977-11-01 Projection screen and method of manufacturing same
IT29463/77A IT1087294B (it) 1976-11-16 1977-11-09 Schermo di proiezione e procedimento per la sua fabbricazione
GB46649/77A GB1569468A (en) 1976-11-16 1977-11-09 Projection screens
SE7712655A SE421457B (sv) 1976-11-16 1977-11-09 Projektionsskerm och sett for dess framstellning
FR7734113A FR2370997A1 (fr) 1976-11-16 1977-11-14 Ecran de projection et procede pour sa fabrication
US06/095,097 US4297001A (en) 1976-11-16 1979-11-16 Projection screen and method for making same
JP56209481A JPS57135941A (en) 1976-11-16 1981-12-25 Projection screen

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH604205A5 true CH604205A5 (it) 1978-08-31

Family

ID=4400313

Family Applications (1)

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

Country Status (8)

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

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 (it) * 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
CN101124515B (zh) * 2003-10-09 2010-05-26 莫林技术有限公司 在背景光下工作的投影接收面
US7619824B2 (en) * 2003-11-18 2009-11-17 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
US7268950B2 (en) * 2003-11-18 2007-09-11 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
WO2013063235A1 (en) * 2011-10-27 2013-05-02 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 (it) * 1973-02-19 1974-10-17
JPS49131437A (it) * 1973-04-20 1974-12-17

Also Published As

Publication number Publication date
GB1569468A (en) 1980-06-18
FR2370997A1 (fr) 1978-06-09
DE2655527C2 (de) 1978-12-21
SE7712655L (sv) 1978-05-17
US4297001A (en) 1981-10-27
JPS5363015A (en) 1978-06-06
JPS57135941A (en) 1982-08-21
IT1087294B (it) 1985-06-04
DE2655527B1 (de) 1978-04-27
SE421457B (sv) 1981-12-21

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Legal Events

Date Code Title Description
PL Patent ceased