FR2345775A1 - Educational device employing slide projector - has projector mounted in various positions relative to mirror and screen - Google Patents

Educational device employing slide projector - has projector mounted in various positions relative to mirror and screen

Info

Publication number
FR2345775A1
FR2345775A1 FR7608789A FR7608789A FR2345775A1 FR 2345775 A1 FR2345775 A1 FR 2345775A1 FR 7608789 A FR7608789 A FR 7608789A FR 7608789 A FR7608789 A FR 7608789A FR 2345775 A1 FR2345775 A1 FR 2345775A1
Authority
FR
France
Prior art keywords
mirror
projector
educational device
screen
various positions
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
FR7608789A
Other languages
French (fr)
Other versions
FR2345775B1 (en
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.)
LEHENAFF MARYVONNE
Original Assignee
LEHENAFF MARYVONNE
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 LEHENAFF MARYVONNE filed Critical LEHENAFF MARYVONNE
Priority to FR7608789A priority Critical patent/FR2345775A1/en
Publication of FR2345775A1 publication Critical patent/FR2345775A1/en
Application granted granted Critical
Publication of FR2345775B1 publication Critical patent/FR2345775B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B11/00—Teaching hand-writing, shorthand, drawing, or painting
    • G09B11/04—Guide sheets or plates; Tracing charts

Abstract

The audio-visual educational device employs a slide projector (1), a mirror (2) and a transparent. Projection screen (3), supported in various relative positions via a common support frame. The latter is formed by a number of interchangeable frame elements. Pref. the educational device is combined with a school desk, with the transparent projection screen (3) lying to one side of the desk surface. The mirror (2) may be a block of depolarised glass, with a reflective surface angled at 45 degrees, directly below the projection screen (3), with the projection (1) at the same level as the glass block, to one side of the desk.
FR7608789A 1976-03-26 1976-03-26 Educational device employing slide projector - has projector mounted in various positions relative to mirror and screen Granted FR2345775A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7608789A FR2345775A1 (en) 1976-03-26 1976-03-26 Educational device employing slide projector - has projector mounted in various positions relative to mirror and screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7608789A FR2345775A1 (en) 1976-03-26 1976-03-26 Educational device employing slide projector - has projector mounted in various positions relative to mirror and screen

Publications (2)

Publication Number Publication Date
FR2345775A1 true FR2345775A1 (en) 1977-10-21
FR2345775B1 FR2345775B1 (en) 1980-04-25

Family

ID=9170985

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7608789A Granted FR2345775A1 (en) 1976-03-26 1976-03-26 Educational device employing slide projector - has projector mounted in various positions relative to mirror and screen

Country Status (1)

Country Link
FR (1) FR2345775A1 (en)

Also Published As

Publication number Publication date
FR2345775B1 (en) 1980-04-25

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Legal Events

Date Code Title Description
ST Notification of lapse