AT276803B - Zweiteiliger, ausziehbarer Projektionsschrank - Google Patents

Zweiteiliger, ausziehbarer Projektionsschrank

Info

Publication number
AT276803B
AT276803B AT982666A AT982666A AT276803B AT 276803 B AT276803 B AT 276803B AT 982666 A AT982666 A AT 982666A AT 982666 A AT982666 A AT 982666A AT 276803 B AT276803 B AT 276803B
Authority
AT
Austria
Prior art keywords
pull
out projection
projection cabinet
cabinet
projection
Prior art date
Application number
AT982666A
Other languages
English (en)
Original Assignee
Bell & Howell 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 Bell & Howell Co filed Critical Bell & Howell Co
Application granted granted Critical
Publication of AT276803B publication Critical patent/AT276803B/de

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
    • G03B21/14—Details
    • G03B21/30—Details adapted to collapse or fold, e.g. for portability

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
AT982666A 1965-10-24 1966-10-21 Zweiteiliger, ausziehbarer Projektionsschrank AT276803B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US504357A US3352203A (en) 1965-10-24 1965-10-24 Self-storing rear screen projector

Publications (1)

Publication Number Publication Date
AT276803B true AT276803B (de) 1969-12-10

Family

ID=24005920

Family Applications (1)

Application Number Title Priority Date Filing Date
AT982666A AT276803B (de) 1965-10-24 1966-10-21 Zweiteiliger, ausziehbarer Projektionsschrank

Country Status (2)

Country Link
US (1) US3352203A (de)
AT (1) AT276803B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19806491A1 (de) * 1998-02-17 1999-08-26 Ramige Filmvorführanlage

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5312195Y2 (de) * 1973-11-08 1978-04-03
US4358184A (en) * 1981-02-24 1982-11-09 Topper Manufacturing Corporation Compact collapsible microform viewer
US5163421A (en) * 1988-01-22 1992-11-17 Angiosonics, Inc. In vivo ultrasonic system with angioplasty and ultrasonic contrast imaging
DE69419579T2 (de) * 1993-10-21 2000-08-10 Kabushiki Kaisha Toshiba, Kawasaki Mehrschirmanzeigevorrichtung und Verfahren zu deren Zusammenbau
US6219183B1 (en) * 1997-04-21 2001-04-17 International Business Machines Corporation Compact rear projection display with telescopic screen and variable image size

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2685817A (en) * 1951-04-26 1954-08-10 Howard E Freeman Projector screen unit
US3185027A (en) * 1961-09-27 1965-05-25 Claude D Hodges Portable viewing apparatus
US3195401A (en) * 1962-07-13 1965-07-20 Crystal M Lange Film projector with telescopic cabinet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19806491A1 (de) * 1998-02-17 1999-08-26 Ramige Filmvorführanlage
DE19806491B4 (de) * 1998-02-17 2004-02-05 Ramigé, Jean Claude Filmvorführanlage

Also Published As

Publication number Publication date
US3352203A (en) 1967-11-14

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee