FR2163511B1 - - Google Patents

Info

Publication number
FR2163511B1
FR2163511B1 FR7244099A FR7244099A FR2163511B1 FR 2163511 B1 FR2163511 B1 FR 2163511B1 FR 7244099 A FR7244099 A FR 7244099A FR 7244099 A FR7244099 A FR 7244099A FR 2163511 B1 FR2163511 B1 FR 2163511B1
Authority
FR
France
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
Application number
FR7244099A
Other versions
FR2163511A1 (fr
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of FR2163511A1 publication Critical patent/FR2163511A1/fr
Application granted granted Critical
Publication of FR2163511B1 publication Critical patent/FR2163511B1/fr
Expired 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
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/602—Lenticular 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
    • G03B21/62—Translucent screens
    • G03B21/625—Lenticular translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)
FR7244099A 1971-12-13 1972-12-12 Expired FR2163511B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US20733471A 1971-12-13 1971-12-13
US20738371A 1971-12-13 1971-12-13
US20708471A 1971-12-13 1971-12-13
US20708271A 1971-12-13 1971-12-13

Publications (2)

Publication Number Publication Date
FR2163511A1 FR2163511A1 (fr) 1973-07-27
FR2163511B1 true FR2163511B1 (fr) 1975-06-20

Family

ID=27498652

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7244099A Expired FR2163511B1 (fr) 1971-12-13 1972-12-12

Country Status (2)

Country Link
DE (1) DE2260985C3 (fr)
FR (1) FR2163511B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3977766A (en) * 1975-04-24 1976-08-31 Eastman Kodak Company Projection screen and apparatus for the fabrication thereof
CH618018A5 (fr) * 1977-08-30 1980-06-30 Bbc Brown Boveri & Cie
EP0371073B1 (fr) * 1987-09-09 1992-06-17 Heinz-Jürgen FANDRICH Dispositif compose d'une plaque de guidage de lumiere
CN109515054A (zh) * 2017-09-16 2019-03-26 南京美克斯精密机械有限公司 一种金属雕刻方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2480031A (en) * 1944-12-23 1949-08-23 Rca Corp Rear-projection screen
US3263561A (en) * 1963-05-13 1966-08-02 Solar Projection Screens Ltd High light reflecting screens

Also Published As

Publication number Publication date
FR2163511A1 (fr) 1973-07-27
DE2260985B2 (de) 1979-08-23
DE2260985C3 (de) 1980-05-14
DE2260985A1 (de) 1973-06-20

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Legal Events

Date Code Title Description
ST Notification of lapse