FR451907A - Perfectionnements dans les appareils de projections cinématographiques produisant eux-memes leur lumière - Google Patents

Perfectionnements dans les appareils de projections cinématographiques produisant eux-memes leur lumière

Info

Publication number
FR451907A
FR451907A FR451907A FR451907DA FR451907A FR 451907 A FR451907 A FR 451907A FR 451907 A FR451907 A FR 451907A FR 451907D A FR451907D A FR 451907DA FR 451907 A FR451907 A FR 451907A
Authority
FR
France
Prior art keywords
light
projection devices
themselves produce
cinematographic projection
cinematographic
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
FR451907A
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.)
CIE GENERALE DE PHONOGRAPHES C
Original Assignee
CIE GENERALE DE PHONOGRAPHES C
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 CIE GENERALE DE PHONOGRAPHES C filed Critical CIE GENERALE DE PHONOGRAPHES C
Application granted granted Critical
Publication of FR451907A publication Critical patent/FR451907A/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
    • 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
    • G03B21/206—Control of light source other than position or intensity
    • 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
    • G03B21/32—Details specially adapted for motion-picture projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection-Type Copiers In General (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Projection Apparatus (AREA)
FR451907A 1912-02-23 1912-02-23 Perfectionnements dans les appareils de projections cinématographiques produisant eux-memes leur lumière Expired FR451907A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR451907T 1912-02-23

Publications (1)

Publication Number Publication Date
FR451907A true FR451907A (fr) 1913-05-02

Family

ID=1492189

Family Applications (1)

Application Number Title Priority Date Filing Date
FR451907A Expired FR451907A (fr) 1912-02-23 1912-02-23 Perfectionnements dans les appareils de projections cinématographiques produisant eux-memes leur lumière

Country Status (5)

Country Link
AT (1) AT60541B (fr)
AU (1) AU667912B (fr)
FR (1) FR451907A (fr)
GB (1) GB191206104A (fr)
NL (1) NL69C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH1275170A4 (fr) * 1970-08-26 1975-03-27

Also Published As

Publication number Publication date
NL69C (nl) 1913-12-01
AT60541B (de) 1913-08-11
GB191206104A (en) 1912-04-18
AU667912B (en) 1913-10-21

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