FR2144472A5 - - Google Patents

Info

Publication number
FR2144472A5
FR2144472A5 FR7225380A FR7225380A FR2144472A5 FR 2144472 A5 FR2144472 A5 FR 2144472A5 FR 7225380 A FR7225380 A FR 7225380A FR 7225380 A FR7225380 A FR 7225380A FR 2144472 A5 FR2144472 A5 FR 2144472A5
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
FR7225380A
Other languages
French (fr)
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.)
TANGORRE JOSEPH
Original Assignee
TANGORRE JOSEPH
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 TANGORRE JOSEPH filed Critical TANGORRE JOSEPH
Priority to FR7225380A priority Critical patent/FR2144472A5/fr
Application granted granted Critical
Publication of FR2144472A5 publication Critical patent/FR2144472A5/fr
Priority to BE131911A priority patent/BE800487A/xx
Priority to IT2629873A priority patent/IT991025B/it
Priority to ES1973193309U priority patent/ES193309Y/es
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
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
FR7225380A 1972-07-10 1972-07-10 Expired FR2144472A5 (es)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7225380A FR2144472A5 (es) 1972-07-10 1972-07-10
BE131911A BE800487A (fr) 1972-07-10 1973-06-05 Procede et dispositif pour la projection d'informations en defilement continu sur un ecran
IT2629873A IT991025B (it) 1972-07-10 1973-07-06 Dispositivo per la redazione di testi d informazione e per la proiezione di detti testi
ES1973193309U ES193309Y (es) 1972-07-10 1973-07-10 Dispositivo para la proyeccion de informaciones en sucesioncontinua sobre una pantalla.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7225380A FR2144472A5 (es) 1972-07-10 1972-07-10

Publications (1)

Publication Number Publication Date
FR2144472A5 true FR2144472A5 (es) 1973-02-09

Family

ID=9101788

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7225380A Expired FR2144472A5 (es) 1972-07-10 1972-07-10

Country Status (4)

Country Link
BE (1) BE800487A (es)
ES (1) ES193309Y (es)
FR (1) FR2144472A5 (es)
IT (1) IT991025B (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2557986A1 (fr) * 1984-01-09 1985-07-12 Lallier Eric Derouleur automatique de films pour retroprojecteur avec temporisateur
DE3742683A1 (de) * 1987-12-16 1989-07-06 Sps Schutzplanken Gmbh Gleitschwelle fuer verkehrswege, bestehend aus fertigteilen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2557986A1 (fr) * 1984-01-09 1985-07-12 Lallier Eric Derouleur automatique de films pour retroprojecteur avec temporisateur
DE3742683A1 (de) * 1987-12-16 1989-07-06 Sps Schutzplanken Gmbh Gleitschwelle fuer verkehrswege, bestehend aus fertigteilen

Also Published As

Publication number Publication date
ES193309U (es) 1974-10-01
ES193309Y (es) 1975-01-16
IT991025B (it) 1975-07-30
BE800487A (fr) 1973-10-01

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Legal Events

Date Code Title Description
ST Notification of lapse