AT282997B - Schreibprojektor - Google Patents

Schreibprojektor

Info

Publication number
AT282997B
AT282997B AT499666A AT499666A AT282997B AT 282997 B AT282997 B AT 282997B AT 499666 A AT499666 A AT 499666A AT 499666 A AT499666 A AT 499666A AT 282997 B AT282997 B AT 282997B
Authority
AT
Austria
Prior art keywords
writing projector
projector
writing
Prior art date
Application number
AT499666A
Other languages
English (en)
Inventor
James W Lucas
Original Assignee
James W Lucas
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 James W Lucas filed Critical James W Lucas
Application granted granted Critical
Publication of AT282997B publication Critical patent/AT282997B/de

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)
  • Projection Apparatus (AREA)
AT499666A 1965-05-27 1966-05-26 Schreibprojektor AT282997B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46346465A 1965-05-27 1965-05-27

Publications (1)

Publication Number Publication Date
AT282997B true AT282997B (de) 1970-07-27

Family

ID=23840179

Family Applications (1)

Application Number Title Priority Date Filing Date
AT499666A AT282997B (de) 1965-05-27 1966-05-26 Schreibprojektor

Country Status (2)

Country Link
AT (1) AT282997B (de)
DE (1) DE1472281A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636050A (en) * 1983-12-26 1987-01-13 Kabushiki Kaisha Gakushu Kenkyusha Reflection type overhead projector

Also Published As

Publication number Publication date
DE1472281A1 (de) 1969-06-19

Similar Documents

Publication Publication Date Title
DK122086B (da) Projektør.
FR1465560A (fr) Bidon
CH452392A (de) Schreibgerät
CH463139A (de) Photokolorimeter
CH472736A (de) Schreibeinrichtung
AT275934B (de) Rauchspitz
CH459808A (de) Schreibgerät
CH464545A (de) Koordinatograph
DK131816C (da) Stannosaltpreparat
AT282421B (de) Ringlaeufer
CH453401A (fr) Calorifère
FI37327A (fi) Fyllpensel
AT282997B (de) Schreibprojektor
CH443893A (fr) Projecteur cinématographique
CH472298A (fr) Stylographe
FR1441890A (fr) Planétarium
CH439012A (de) Kugelschreiber
AT258606B (de) Dia-Bildwerfer
AT256503B (de) Dia-Bildwerfer
DD50687A1 (de) Hochspannungsprüfeinrichtung
FR1451600A (fr) Projecteur perfectionné
FR1450794A (fr) Microfiche
DE6600066U (de) Magazinprojektor
FR1455423A (fr) Projecteur anti-éblouissant
DE6602751U (de) Dia-standbildwerfer

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee