FR2127855A5 - - Google Patents

Info

Publication number
FR2127855A5
FR2127855A5 FR7206781A FR7206781A FR2127855A5 FR 2127855 A5 FR2127855 A5 FR 2127855A5 FR 7206781 A FR7206781 A FR 7206781A FR 7206781 A FR7206781 A FR 7206781A FR 2127855 A5 FR2127855 A5 FR 2127855A5
Authority
FR
France
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
FR7206781A
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
Application granted granted Critical
Publication of FR2127855A5 publication Critical patent/FR2127855A5/fr
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
    • G03B21/625—Lenticular translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
FR7206781A 1971-03-01 1972-02-29 Expired FR2127855A5 (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2127855A5 true FR2127855A5 (fr) 1972-10-13

Family

ID=11759091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7206781A Expired FR2127855A5 (fr) 1971-03-01 1972-02-29

Country Status (3)

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

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
DE2209030A1 (de) 1972-09-14
DE2209030C3 (de) 1975-08-07
DE2209030B2 (de) 1974-12-05
JPS559692B1 (fr) 1980-03-11

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Legal Events

Date Code Title Description
ST Notification of lapse