FR2349155A1 - Ecran de projection - Google Patents

Ecran de projection

Info

Publication number
FR2349155A1
FR2349155A1 FR7712282A FR7712282A FR2349155A1 FR 2349155 A1 FR2349155 A1 FR 2349155A1 FR 7712282 A FR7712282 A FR 7712282A FR 7712282 A FR7712282 A FR 7712282A FR 2349155 A1 FR2349155 A1 FR 2349155A1
Authority
FR
France
Prior art keywords
projection screen
projection
screen
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.)
Pending
Application number
FR7712282A
Other languages
English (en)
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.)
SCHUDEL CONRAD
Original Assignee
SCHUDEL CONRAD
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
Priority claimed from US05/679,610 external-priority patent/US4089587A/en
Application filed by SCHUDEL CONRAD filed Critical SCHUDEL CONRAD
Publication of FR2349155A1 publication Critical patent/FR2349155A1/fr
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
FR7712282A 1976-04-23 1977-04-22 Ecran de projection Pending FR2349155A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/679,610 US4089587A (en) 1974-11-29 1976-04-23 Projection screen surface and method of forming said surface

Publications (1)

Publication Number Publication Date
FR2349155A1 true FR2349155A1 (fr) 1977-11-18

Family

ID=24727598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7712282A Pending FR2349155A1 (fr) 1976-04-23 1977-04-22 Ecran de projection

Country Status (4)

Country Link
JP (1) JPS52130325A (fr)
DE (1) DE2718065A1 (fr)
FR (1) FR2349155A1 (fr)
GB (1) GB1580722A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0265007A1 (fr) * 1986-10-13 1988-04-27 Koninklijke Philips Electronics N.V. Procédé de fabrication d'un écran diffuseur
EP0438161A3 (en) * 1990-01-19 1992-06-10 Deutsche Institute Fur Textil- Und Faserforschung Stuttgart Stiftung Des Oeffentlichen Rechts Projection screen

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206969A (en) * 1979-04-11 1980-06-10 Minnesota Mining And Manufacturing Company Directional front projection screen
DE3403861A1 (de) * 1984-02-03 1985-08-08 Mechanische Weberei Gmbh, 4792 Bad Lippspringe Lichtbild-projektionswand
WO1996021883A2 (fr) * 1995-01-14 1996-07-18 Optica Nova Onab Ab Ecran de projection
GB2297765A (en) * 1995-02-10 1996-08-14 Nashua Corp Front projection screens
GB9524220D0 (en) * 1995-11-27 1996-01-31 Nashua Corp Improvements in or relating to projection screens and the like
US5964101A (en) * 1996-12-10 1999-10-12 Edward R. Schulak Energy transfer system for refrigerator/freezer components
US6346311B1 (en) 1997-09-10 2002-02-12 Nashua Corporation Projection screen material and methods of manufacture
US6522374B1 (en) * 1998-08-25 2003-02-18 Physical Optics Corporation Passive matrix liquid crystal display

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2155189A5 (fr) * 1971-10-06 1973-05-18 Pentacon Dresden Veb
FR2247746A1 (fr) * 1973-10-12 1975-05-09 Mitsui Petrochemical Ind

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2155189A5 (fr) * 1971-10-06 1973-05-18 Pentacon Dresden Veb
FR2247746A1 (fr) * 1973-10-12 1975-05-09 Mitsui Petrochemical Ind

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0265007A1 (fr) * 1986-10-13 1988-04-27 Koninklijke Philips Electronics N.V. Procédé de fabrication d'un écran diffuseur
EP0438161A3 (en) * 1990-01-19 1992-06-10 Deutsche Institute Fur Textil- Und Faserforschung Stuttgart Stiftung Des Oeffentlichen Rechts Projection screen

Also Published As

Publication number Publication date
GB1580722A (en) 1980-12-03
JPS52130325A (en) 1977-11-01
DE2718065A1 (de) 1977-11-10

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