FR2178607A5 - - Google Patents

Info

Publication number
FR2178607A5
FR2178607A5 FR7309441A FR7309441A FR2178607A5 FR 2178607 A5 FR2178607 A5 FR 2178607A5 FR 7309441 A FR7309441 A FR 7309441A FR 7309441 A FR7309441 A FR 7309441A FR 2178607 A5 FR2178607 A5 FR 2178607A5
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
FR7309441A
Other languages
French (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
Application granted granted Critical
Publication of FR2178607A5 publication Critical patent/FR2178607A5/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
FR7309441A 1972-03-27 1973-03-16 Expired FR2178607A5 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23831672A 1972-03-27 1972-03-27

Publications (1)

Publication Number Publication Date
FR2178607A5 true FR2178607A5 (enExample) 1973-11-09

Family

ID=22897374

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7309441A Expired FR2178607A5 (enExample) 1972-03-27 1973-03-16

Country Status (6)

Country Link
JP (1) JPS4916431A (enExample)
CA (1) CA971012A (enExample)
DE (1) DE2314481A1 (enExample)
FR (1) FR2178607A5 (enExample)
GB (1) GB1429006A (enExample)
HK (1) HK57576A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2370997A1 (fr) * 1976-11-16 1978-06-09 Landis & Gyr Ag Ecran de projection et procede pour sa fabrication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2370997A1 (fr) * 1976-11-16 1978-06-09 Landis & Gyr Ag Ecran de projection et procede pour sa fabrication

Also Published As

Publication number Publication date
DE2314481A1 (de) 1973-10-04
HK57576A (en) 1976-09-24
GB1429006A (en) 1976-03-24
CA971012A (en) 1975-07-15
JPS4916431A (enExample) 1974-02-13

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Legal Events

Date Code Title Description
ST Notification of lapse