SE314536B - - Google Patents

Info

Publication number
SE314536B
SE314536B SE5701/62A SE570162A SE314536B SE 314536 B SE314536 B SE 314536B SE 5701/62 A SE5701/62 A SE 5701/62A SE 570162 A SE570162 A SE 570162A SE 314536 B SE314536 B SE 314536B
Authority
SE
Sweden
Application number
SE5701/62A
Inventor
H Thiele
G Boerner
Original Assignee
Zeiss Ikon 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 Zeiss Ikon Ag filed Critical Zeiss Ikon Ag
Publication of SE314536B publication Critical patent/SE314536B/xx

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/041—Controlling the light-intensity of the source
    • H05B39/042—Controlling the light-intensity of the source by measuring the incident light
    • 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
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2053—Intensity control of illuminating light
    • 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
    • G03B23/18—Devices for changing pictures in viewing apparatus or projectors with fade-in and fade-out effects
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Transforming Electric Information Into Light Information (AREA)
SE5701/62A 1961-05-20 1962-05-21 SE314536B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ0008762 1961-05-20

Publications (1)

Publication Number Publication Date
SE314536B true SE314536B (de) 1969-09-08

Family

ID=7620615

Family Applications (1)

Application Number Title Priority Date Filing Date
SE5701/62A SE314536B (de) 1961-05-20 1962-05-21

Country Status (2)

Country Link
DE (1) DE1422270B1 (de)
SE (1) SE314536B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3629771A1 (de) * 1986-09-02 1988-03-03 Demolux Overhead-projektor
JP3992268B2 (ja) * 2001-09-28 2007-10-17 フジノン株式会社 投写型画像表示装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE220569C (de) *
US947490A (en) * 1909-07-24 1910-01-25 Bronislaw Gwozdz Means for regulating the illumination of films in kinematographs.
GB534973A (en) * 1939-08-24 1941-03-25 Arthur Henry Cooper Improvements in or relating to television receivers
DE1086064B (de) * 1954-07-21 1960-07-28 Vitarama Corp Vorrichtung zum Ausgleichen der Beleuchtungsstaerke von projizierten, mosaikartig zusammengesetzten Bildern
DE1095002B (de) * 1959-02-16 1960-12-15 Kurt Bertrams Verfahren und Einrichtung zum selbsttaetigen Regeln der Lichtleistung von Bildwerfern

Also Published As

Publication number Publication date
DE1422270B1 (de) 1969-09-04

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