AT259899B - Lesebeleuchtung an Bildwerfern - Google Patents

Lesebeleuchtung an Bildwerfern

Info

Publication number
AT259899B
AT259899B AT52366A AT52366A AT259899B AT 259899 B AT259899 B AT 259899B AT 52366 A AT52366 A AT 52366A AT 52366 A AT52366 A AT 52366A AT 259899 B AT259899 B AT 259899B
Authority
AT
Austria
Prior art keywords
projectors
reading lighting
lighting
reading
Prior art date
Application number
AT52366A
Other languages
English (en)
Original Assignee
Voigtlaender 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 Voigtlaender Ag filed Critical Voigtlaender Ag
Application granted granted Critical
Publication of AT259899B publication Critical patent/AT259899B/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
    • G03B21/001—Slide projectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)
AT52366A 1965-02-09 1966-01-20 Lesebeleuchtung an Bildwerfern AT259899B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ0011318 1965-02-09

Publications (1)

Publication Number Publication Date
AT259899B true AT259899B (de) 1968-02-12

Family

ID=7621797

Family Applications (1)

Application Number Title Priority Date Filing Date
AT52366A AT259899B (de) 1965-02-09 1966-01-20 Lesebeleuchtung an Bildwerfern

Country Status (2)

Country Link
AT (1) AT259899B (de)
GB (1) GB1132543A (de)

Also Published As

Publication number Publication date
GB1132543A (en) 1968-11-06

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