AT348061B - Vorrichtung zum herabsetzen der helligkeit einer lichtquelle - Google Patents

Vorrichtung zum herabsetzen der helligkeit einer lichtquelle

Info

Publication number
AT348061B
AT348061B AT296374A AT296374A AT348061B AT 348061 B AT348061 B AT 348061B AT 296374 A AT296374 A AT 296374A AT 296374 A AT296374 A AT 296374A AT 348061 B AT348061 B AT 348061B
Authority
AT
Austria
Prior art keywords
brightness
reducing
light source
source
light
Prior art date
Application number
AT296374A
Other languages
English (en)
Other versions
ATA296374A (de
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of ATA296374A publication Critical patent/ATA296374A/de
Application granted granted Critical
Publication of AT348061B publication Critical patent/AT348061B/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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/06—Special arrangements of screening, diffusing, or reflecting devices, e.g. in studio

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
AT296374A 1973-04-18 1974-04-09 Vorrichtung zum herabsetzen der helligkeit einer lichtquelle AT348061B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732319799 DE2319799A1 (de) 1973-04-18 1973-04-18 Vorrichtung zum herabsetzen der helligkeit einer lichtquelle

Publications (2)

Publication Number Publication Date
ATA296374A ATA296374A (de) 1978-06-15
AT348061B true AT348061B (de) 1979-01-25

Family

ID=5878588

Family Applications (1)

Application Number Title Priority Date Filing Date
AT296374A AT348061B (de) 1973-04-18 1974-04-09 Vorrichtung zum herabsetzen der helligkeit einer lichtquelle

Country Status (3)

Country Link
AT (1) AT348061B (de)
BE (1) BE813819A (de)
DE (1) DE2319799A1 (de)

Also Published As

Publication number Publication date
DE2319799A1 (de) 1974-11-07
BE813819A (fr) 1974-08-16
ATA296374A (de) 1978-06-15

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Legal Events

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