ES247777Y - Pantalla de proyeccion - Google Patents

Pantalla de proyeccion

Info

Publication number
ES247777Y
ES247777Y ES1979247777U ES247777U ES247777Y ES 247777 Y ES247777 Y ES 247777Y ES 1979247777 U ES1979247777 U ES 1979247777U ES 247777 U ES247777 U ES 247777U ES 247777 Y ES247777 Y ES 247777Y
Authority
ES
Spain
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.)
Expired
Application number
ES1979247777U
Other languages
English (en)
Other versions
ES247777U (es
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.)
reflecta GmbH foto film projektion
Original Assignee
reflecta GmbH foto film projektion
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 reflecta GmbH foto film projektion filed Critical reflecta GmbH foto film projektion
Publication of ES247777U publication Critical patent/ES247777U/es
Application granted granted Critical
Publication of ES247777Y publication Critical patent/ES247777Y/es
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
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
ES1979247777U 1979-01-20 1979-12-31 Pantalla de proyeccion Expired ES247777Y (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19797901492U DE7901492U1 (de) 1979-01-20 1979-01-20 Lichtbildwand

Publications (2)

Publication Number Publication Date
ES247777U ES247777U (es) 1980-04-01
ES247777Y true ES247777Y (es) 1980-11-01

Family

ID=6700241

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1979247777U Expired ES247777Y (es) 1979-01-20 1979-12-31 Pantalla de proyeccion

Country Status (4)

Country Link
US (1) US4312568A (es)
EP (1) EP0013926B1 (es)
DE (2) DE7901492U1 (es)
ES (1) ES247777Y (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3006261A1 (de) * 1980-02-20 1981-08-27 Mechanische Weberei Gmbh, 4792 Bad Lippspringe Lichtbildwand
DE3115177C1 (de) * 1981-04-15 1982-11-11 Reflecta Gmbh Foto Film Projektion, 8540 Schwabach Lichtbildwand
US5523880A (en) * 1994-07-27 1996-06-04 Draper Shade & Screen Co., Inc. Projection screen masking system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE619862C (de) * 1935-10-08 Eduard Mayer Meggenhofen Bildschirm
US2774421A (en) * 1937-10-06 1956-12-18 Kurt S Lion Heat-reflecting light-transmitting window shade or the like and material for use in manufacturing the same
US2377553A (en) * 1943-08-23 1945-06-05 Da Lite Screen Company Inc Portable reversible screen construction
US2787320A (en) * 1955-12-14 1957-04-02 Schultz Charles Dual faced photographic screen

Also Published As

Publication number Publication date
EP0013926B1 (de) 1981-11-11
EP0013926A1 (de) 1980-08-06
DE7901492U1 (de) 1979-04-26
DE3060074D1 (en) 1982-01-14
ES247777U (es) 1980-04-01
US4312568A (en) 1982-01-26

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Legal Events

Date Code Title Description
FD1K Utility model lapsed

Effective date: 20001009