FR23580E - Adjusting device for mirror, lamp and condenser, in electric incandescent light lanterns for cinematographic projections - Google Patents

Adjusting device for mirror, lamp and condenser, in electric incandescent light lanterns for cinematographic projections

Info

Publication number
FR23580E
FR23580E FR23580A FR23580DA FR23580E FR 23580 E FR23580 E FR 23580E FR 23580 A FR23580 A FR 23580A FR 23580D A FR23580D A FR 23580DA FR 23580 E FR23580 E FR 23580E
Authority
FR
France
Prior art keywords
condenser
mirror
lamp
adjusting device
incandescent light
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
FR23580A
Other languages
French (fr)
Inventor
Jean-Antonin Saint-Genest
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.)
JEAN ANTONIN SAINT GENEST
Original Assignee
JEAN ANTONIN SAINT GENEST
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 JEAN ANTONIN SAINT GENEST filed Critical JEAN ANTONIN SAINT GENEST
Application granted granted Critical
Publication of FR23580E publication Critical patent/FR23580E/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR23580A 1919-03-31 1919-03-31 Adjusting device for mirror, lamp and condenser, in electric incandescent light lanterns for cinematographic projections Expired FR23580E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR23580T 1919-03-31

Publications (1)

Publication Number Publication Date
FR23580E true FR23580E (en) 1921-12-14

Family

ID=8662295

Family Applications (1)

Application Number Title Priority Date Filing Date
FR23580A Expired FR23580E (en) 1919-03-31 1919-03-31 Adjusting device for mirror, lamp and condenser, in electric incandescent light lanterns for cinematographic projections

Country Status (1)

Country Link
FR (1) FR23580E (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1026099B (en) * 1954-12-21 1958-03-13 Lytax Werke G M B H Process to achieve the greatest possible light output in projection devices and the like. like
DE1147771B (en) * 1959-12-30 1963-04-25 Erich Zillmer Lamp adjustment device for projector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1026099B (en) * 1954-12-21 1958-03-13 Lytax Werke G M B H Process to achieve the greatest possible light output in projection devices and the like. like
DE1147771B (en) * 1959-12-30 1963-04-25 Erich Zillmer Lamp adjustment device for projector

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