ES371719A1 - Procedimiento para la compensacion automatica de la inten- sidad luminosa en los proyectores de diapositivas. - Google Patents

Procedimiento para la compensacion automatica de la inten- sidad luminosa en los proyectores de diapositivas.

Info

Publication number
ES371719A1
ES371719A1 ES371719A ES371719A ES371719A1 ES 371719 A1 ES371719 A1 ES 371719A1 ES 371719 A ES371719 A ES 371719A ES 371719 A ES371719 A ES 371719A ES 371719 A1 ES371719 A1 ES 371719A1
Authority
ES
Spain
Prior art keywords
projectors
translation
procedure
light beam
lamp
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES371719A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BESANCENOT
Original Assignee
BESANCENOT
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 BESANCENOT filed Critical BESANCENOT
Publication of ES371719A1 publication Critical patent/ES371719A1/es
Expired legal-status Critical Current

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
    • 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

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Overhead Projectors And Projection Screens (AREA)
ES371719A 1969-06-19 1969-09-20 Procedimiento para la compensacion automatica de la inten- sidad luminosa en los proyectores de diapositivas. Expired ES371719A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6920518A FR2048203A5 (es) 1969-06-19 1969-06-19

Publications (1)

Publication Number Publication Date
ES371719A1 true ES371719A1 (es) 1971-11-16

Family

ID=9036024

Family Applications (1)

Application Number Title Priority Date Filing Date
ES371719A Expired ES371719A1 (es) 1969-06-19 1969-09-20 Procedimiento para la compensacion automatica de la inten- sidad luminosa en los proyectores de diapositivas.

Country Status (6)

Country Link
BE (1) BE738653A (es)
CH (1) CH498415A (es)
DE (1) DE1954938A1 (es)
ES (1) ES371719A1 (es)
FR (1) FR2048203A5 (es)
NL (1) NL6914251A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29619567U1 (de) * 1996-07-16 1997-01-23 Luk Fahrzeug-Hydraulik Gmbh & Co Kg, 61352 Bad Homburg Einrichtung zur Rollstabilisierung eines Fahrzeugs

Also Published As

Publication number Publication date
BE738653A (es) 1970-02-16
NL6914251A (es) 1970-12-22
DE1954938A1 (de) 1970-12-23
CH498415A (fr) 1970-10-31
FR2048203A5 (es) 1971-03-19

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