DE2209030C3 - Lichtübertragungsschirm mit Richtwirkung - Google Patents

Lichtübertragungsschirm mit Richtwirkung

Info

Publication number
DE2209030C3
DE2209030C3 DE2209030A DE2209030A DE2209030C3 DE 2209030 C3 DE2209030 C3 DE 2209030C3 DE 2209030 A DE2209030 A DE 2209030A DE 2209030 A DE2209030 A DE 2209030A DE 2209030 C3 DE2209030 C3 DE 2209030C3
Authority
DE
Germany
Prior art keywords
fiber
screen
lens
fiber lens
light
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
DE2209030A
Other languages
German (de)
English (en)
Other versions
DE2209030B2 (de
DE2209030A1 (de
Inventor
Yoshio Machida Tokio Fukushima (Japan)
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE2209030A1 publication Critical patent/DE2209030A1/de
Publication of DE2209030B2 publication Critical patent/DE2209030B2/de
Application granted granted Critical
Publication of DE2209030C3 publication Critical patent/DE2209030C3/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories
    • G03B21/56Projection screens
    • G03B21/60Projection screens characterised by the nature of the surface
    • G03B21/62Translucent screens
    • G03B21/625Lenticular translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
DE2209030A 1971-03-01 1972-02-25 Lichtübertragungsschirm mit Richtwirkung Expired DE2209030C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1075471A JPS559692B1 (OSRAM) 1971-03-01 1971-03-01

Publications (3)

Publication Number Publication Date
DE2209030A1 DE2209030A1 (de) 1972-09-14
DE2209030B2 DE2209030B2 (de) 1974-12-05
DE2209030C3 true DE2209030C3 (de) 1975-08-07

Family

ID=11759091

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2209030A Expired DE2209030C3 (de) 1971-03-01 1972-02-25 Lichtübertragungsschirm mit Richtwirkung

Country Status (3)

Country Link
JP (1) JPS559692B1 (OSRAM)
DE (1) DE2209030C3 (OSRAM)
FR (1) FR2127855A5 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006034926A1 (de) * 2006-07-28 2008-01-31 Sick Ag Entfernungsmessgerät

Also Published As

Publication number Publication date
DE2209030B2 (de) 1974-12-05
JPS559692B1 (OSRAM) 1980-03-11
DE2209030A1 (de) 1972-09-14
FR2127855A5 (OSRAM) 1972-10-13

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee