ES2189134T3 - Dispositivo de proteccion para transparencias para retroproyectores. - Google Patents

Dispositivo de proteccion para transparencias para retroproyectores.

Info

Publication number
ES2189134T3
ES2189134T3 ES98905625T ES98905625T ES2189134T3 ES 2189134 T3 ES2189134 T3 ES 2189134T3 ES 98905625 T ES98905625 T ES 98905625T ES 98905625 T ES98905625 T ES 98905625T ES 2189134 T3 ES2189134 T3 ES 2189134T3
Authority
ES
Spain
Prior art keywords
protection device
main surface
retroprojectors
transparencies
micromonticles
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES98905625T
Other languages
English (en)
Inventor
Laura Landriani
Giuseppe Giacobone
Concetta Capezzuto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of ES2189134T3 publication Critical patent/ES2189134T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G03B21/64—Means for mounting individual pictures to be projected, e.g. frame for transparency
    • 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
    • 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.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24893—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Laminated Bodies (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Soil Working Implements (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Overhead Projectors And Projection Screens (AREA)

Abstract

Un dispositivo (10) de protección de diapositiva que consta de una lámina protectora (12) que consiste en una película que tiene una primera superficie principal de contacto de diapositiva (210) y una segunda superficie principal (220), caracterizado porque al menos una porción de la primera superficie principal incluye una pluralidad de micromontículos integrales (230) que sobresalen de la superficie principal, teniendo dicha porción de la primera superficie principal una densidad de micromontículo en el intervalo de 10 a 500 micromontículos por milímetro cuadrado.
ES98905625T 1998-02-25 1998-02-25 Dispositivo de proteccion para transparencias para retroproyectores. Expired - Lifetime ES2189134T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT1998/000039 WO1999044098A1 (en) 1998-02-25 1998-02-25 Protection device for transparencies for overhead projectors

Publications (1)

Publication Number Publication Date
ES2189134T3 true ES2189134T3 (es) 2003-07-01

Family

ID=11332882

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98905625T Expired - Lifetime ES2189134T3 (es) 1998-02-25 1998-02-25 Dispositivo de proteccion para transparencias para retroproyectores.

Country Status (6)

Country Link
US (1) US6375331B1 (es)
EP (1) EP1064585B1 (es)
JP (1) JP2002505446A (es)
AU (1) AU6114898A (es)
ES (1) ES2189134T3 (es)
WO (1) WO1999044098A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4125501B2 (ja) * 2001-09-07 2008-07-30 富士フイルム株式会社 カラー画像記録方法及びカラー画像ファイリングシステム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618752A (en) * 1969-05-22 1971-11-09 Xerox Corp Stack of image-receiving members
US4105292A (en) * 1975-09-02 1978-08-08 Minnesota Mining And Manufacturing Company Optical element to assure a minimum spacing
SE420775B (sv) 1980-03-13 1981-10-26 Minnesota Mining & Mfg Omslag for bildark till arbetsprojektorer och liknande projektionsapparater
US5266987A (en) * 1991-11-15 1993-11-30 Minnesota Mining And Manufacturing Company Envelope for transparencies
US5310591A (en) 1992-09-18 1994-05-10 Minnesota Mining And Manufacturing Company Image-receptive sheets for plain paper copiers
US5319400A (en) * 1993-01-06 1994-06-07 Minnesota Mining And Manufacturing Company Light-blocking transparency assembly
US5335027A (en) * 1993-07-28 1994-08-02 Lin Fong Ing Transparency folder
US5709926A (en) 1996-07-18 1998-01-20 Hoechst Diafoil Company Reclaimable transparencies for plain paper copiers

Also Published As

Publication number Publication date
HK1033981A1 (en) 2001-10-05
US6375331B1 (en) 2002-04-23
WO1999044098B1 (en) 1999-09-30
EP1064585A2 (en) 2001-01-03
EP1064585B1 (en) 2002-12-11
WO1999044098A1 (en) 1999-09-02
JP2002505446A (ja) 2002-02-19
AU6114898A (en) 1999-09-15

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