DE2015549B2 - Rueckprojektionsschirm - Google Patents

Rueckprojektionsschirm

Info

Publication number
DE2015549B2
DE2015549B2 DE19702015549 DE2015549A DE2015549B2 DE 2015549 B2 DE2015549 B2 DE 2015549B2 DE 19702015549 DE19702015549 DE 19702015549 DE 2015549 A DE2015549 A DE 2015549A DE 2015549 B2 DE2015549 B2 DE 2015549B2
Authority
DE
Germany
Prior art keywords
projection screen
rear projection
screen
projection
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.)
Granted
Application number
DE19702015549
Other languages
English (en)
Other versions
DE2015549C3 (de
DE2015549A1 (de
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 filed Critical
Publication of DE2015549A1 publication Critical patent/DE2015549A1/de
Publication of DE2015549B2 publication Critical patent/DE2015549B2/de
Application granted granted Critical
Publication of DE2015549C3 publication Critical patent/DE2015549C3/de
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
    • G03B21/62—Translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
DE19702015549 1969-07-02 1970-04-01 Ruckprojektionsschirm Expired DE2015549C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83871669A 1969-07-02 1969-07-02
US83871669 1969-07-02

Publications (3)

Publication Number Publication Date
DE2015549A1 DE2015549A1 (de) 1971-01-14
DE2015549B2 true DE2015549B2 (de) 1973-03-29
DE2015549C3 DE2015549C3 (de) 1978-01-26

Family

ID=

Also Published As

Publication number Publication date
US3591253A (en) 1971-07-06
GB1306490A (en) 1973-02-14
DE2015549A1 (de) 1971-01-14

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
EHJ Ceased/non-payment of the annual fee