AT289417B - Projektions- und Betrachtungsgerät für Diapositive - Google Patents

Projektions- und Betrachtungsgerät für Diapositive

Info

Publication number
AT289417B
AT289417B AT600369A AT600369A AT289417B AT 289417 B AT289417 B AT 289417B AT 600369 A AT600369 A AT 600369A AT 600369 A AT600369 A AT 600369A AT 289417 B AT289417 B AT 289417B
Authority
AT
Austria
Prior art keywords
slides
projection
viewing device
viewing
Prior art date
Application number
AT600369A
Other languages
English (en)
Inventor
Erich Ing Hofmann
Ernst Krull
Hans Werner Johannsen
Robert Oberheim
Josef Ing Scheibel
Original Assignee
Braun Ag
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 Braun Ag filed Critical Braun Ag
Application granted granted Critical
Publication of AT289417B publication Critical patent/AT289417B/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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
AT600369A 1968-06-28 1969-06-24 Projektions- und Betrachtungsgerät für Diapositive AT289417B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681772752 DE1772752A1 (de) 1968-06-28 1968-06-28 Projektions- und Betrachtungsgeraet fuer Diapositive

Publications (1)

Publication Number Publication Date
AT289417B true AT289417B (de) 1971-04-26

Family

ID=5701382

Family Applications (1)

Application Number Title Priority Date Filing Date
AT600369A AT289417B (de) 1968-06-28 1969-06-24 Projektions- und Betrachtungsgerät für Diapositive

Country Status (4)

Country Link
AT (1) AT289417B (de)
CH (1) CH493001A (de)
DE (1) DE1772752A1 (de)
FR (1) FR2014354A1 (de)

Also Published As

Publication number Publication date
FR2014354A1 (de) 1970-04-17
CH493001A (de) 1970-06-30
DE1772752A1 (de) 1971-09-16

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Legal Events

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