DE3627646C2 - - Google Patents

Info

Publication number
DE3627646C2
DE3627646C2 DE3627646A DE3627646A DE3627646C2 DE 3627646 C2 DE3627646 C2 DE 3627646C2 DE 3627646 A DE3627646 A DE 3627646A DE 3627646 A DE3627646 A DE 3627646A DE 3627646 C2 DE3627646 C2 DE 3627646C2
Authority
DE
Germany
Prior art keywords
projector
projection screen
room
arrangement
corner
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
DE3627646A
Other languages
German (de)
English (en)
Other versions
DE3627646A1 (de
Inventor
Des Erfinders Auf Nennung Verzicht
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.)
Mechanische Weberei 4792 Bad Lippspringe De GmbH
Original Assignee
Mechanische Weberei 4792 Bad Lippspringe De GmbH
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 Mechanische Weberei 4792 Bad Lippspringe De GmbH filed Critical Mechanische Weberei 4792 Bad Lippspringe De GmbH
Priority to DE19863627646 priority Critical patent/DE3627646A1/de
Publication of DE3627646A1 publication Critical patent/DE3627646A1/de
Application granted granted Critical
Publication of DE3627646C2 publication Critical patent/DE3627646C2/de
Granted 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
    • G03B21/62—Translucent 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
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)
DE19863627646 1986-08-14 1986-08-14 Vorrichtung zur durchlichtprojektion Granted DE3627646A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19863627646 DE3627646A1 (de) 1986-08-14 1986-08-14 Vorrichtung zur durchlichtprojektion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863627646 DE3627646A1 (de) 1986-08-14 1986-08-14 Vorrichtung zur durchlichtprojektion

Publications (2)

Publication Number Publication Date
DE3627646A1 DE3627646A1 (de) 1988-02-25
DE3627646C2 true DE3627646C2 (es) 1988-07-14

Family

ID=6307413

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863627646 Granted DE3627646A1 (de) 1986-08-14 1986-08-14 Vorrichtung zur durchlichtprojektion

Country Status (1)

Country Link
DE (1) DE3627646A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5349400A (en) * 1990-11-30 1994-09-20 Thomson-Csf Back-projection display system and method for making a back-projection mirror

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE211216C (es) * 1900-01-01
CH90719A (de) * 1913-12-24 1921-09-16 Robert Troeger John Frederick Projektionsschirm, insbesondere für Kinematographen.

Also Published As

Publication number Publication date
DE3627646A1 (de) 1988-02-25

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee