FR818496A - Appareil d'éclairage à flux lumineux dirigé - Google Patents

Appareil d'éclairage à flux lumineux dirigé

Info

Publication number
FR818496A
FR818496A FR818496DA FR818496A FR 818496 A FR818496 A FR 818496A FR 818496D A FR818496D A FR 818496DA FR 818496 A FR818496 A FR 818496A
Authority
FR
France
Prior art keywords
luminaire
luminous flux
directed luminous
directed
flux
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
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.)
Holophane SAS
Original Assignee
Holophane SAS
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 Holophane SAS filed Critical Holophane SAS
Application granted granted Critical
Publication of FR818496A publication Critical patent/FR818496A/fr
Expired legal-status Critical Current

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
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR818496D 1936-06-06 1936-06-06 Appareil d'éclairage à flux lumineux dirigé Expired FR818496A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR818496T 1936-06-06

Publications (1)

Publication Number Publication Date
FR818496A true FR818496A (fr) 1937-09-27

Family

ID=9268928

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818496D Expired FR818496A (fr) 1936-06-06 1936-06-06 Appareil d'éclairage à flux lumineux dirigé

Country Status (1)

Country Link
FR (1) FR818496A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE753691C (de) * 1940-05-17 1953-01-19 Schanzenbach & Co G M B H Breitstrahl-Spiegelreflektor
DE3032586A1 (de) * 1979-10-11 1981-04-30 Kollmorgen Technologies Corp., Dallas, Tex. Ringfoermige beleuchtungsoptik
DE3131442A1 (de) * 1981-08-07 1983-02-24 Mitsubishi Electric Corp Pumpe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE753691C (de) * 1940-05-17 1953-01-19 Schanzenbach & Co G M B H Breitstrahl-Spiegelreflektor
DE3032586A1 (de) * 1979-10-11 1981-04-30 Kollmorgen Technologies Corp., Dallas, Tex. Ringfoermige beleuchtungsoptik
DE3131442A1 (de) * 1981-08-07 1983-02-24 Mitsubishi Electric Corp Pumpe

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