FR2048203A5 - - Google Patents

Info

Publication number
FR2048203A5
FR2048203A5 FR6920518A FR6920518A FR2048203A5 FR 2048203 A5 FR2048203 A5 FR 2048203A5 FR 6920518 A FR6920518 A FR 6920518A FR 6920518 A FR6920518 A FR 6920518A FR 2048203 A5 FR2048203 A5 FR 2048203A5
Authority
FR
France
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
FR6920518A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR6920518A priority Critical patent/FR2048203A5/fr
Priority to BE738653D priority patent/BE738653A/xx
Priority to CH1364469A priority patent/CH498415A/fr
Priority to NL6914251A priority patent/NL6914251A/xx
Priority to ES371719A priority patent/ES371719A1/es
Priority to DE19691954938 priority patent/DE1954938A1/de
Application granted granted Critical
Publication of FR2048203A5 publication Critical patent/FR2048203A5/fr
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
FR6920518A 1969-06-19 1969-06-19 Expired FR2048203A5 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR6920518A FR2048203A5 (ja) 1969-06-19 1969-06-19
BE738653D BE738653A (ja) 1969-06-19 1969-09-10
CH1364469A CH498415A (fr) 1969-06-19 1969-09-10 Procédé et dispositif pour la compensation automatique de l'intensité lumineuse dans les projecteurs de diapositives
NL6914251A NL6914251A (ja) 1969-06-19 1969-09-19
ES371719A ES371719A1 (es) 1969-06-19 1969-09-20 Procedimiento para la compensacion automatica de la inten- sidad luminosa en los proyectores de diapositivas.
DE19691954938 DE1954938A1 (de) 1969-06-19 1969-10-31 Verfahren und Einrichtung zum selbsttaetigen Ausgleichen der Helligkeit projizierter Diapositive bei Diapositiv-Projektoren

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2048203A5 true FR2048203A5 (ja) 1971-03-19

Family

ID=9036024

Family Applications (1)

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

Country Status (6)

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

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 Einrichtung zur Rollstabilisierung eines Fahrzeugs

Also Published As

Publication number Publication date
NL6914251A (ja) 1970-12-22
ES371719A1 (es) 1971-11-16
BE738653A (ja) 1970-02-16
CH498415A (fr) 1970-10-31
DE1954938A1 (de) 1970-12-23

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Legal Events

Date Code Title Description
ST Notification of lapse