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FR943800A - Improvements to cinematographic projectors using reduced format films - Google Patents

Improvements to cinematographic projectors using reduced format films

Info

Publication number
FR943800A
FR943800A FR943800DA FR943800A FR 943800 A FR943800 A FR 943800A FR 943800D A FR943800D A FR 943800DA FR 943800 A FR943800 A FR 943800A
Authority
FR
France
Prior art keywords
reduced format
format films
cinematographic projectors
cinematographic
projectors
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
French (fr)
Inventor
Jean Weissbrodt
Jacques-Jean Broido
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 filed Critical
Application granted granted Critical
Publication of FR943800A publication Critical patent/FR943800A/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
    • G03B1/00—Film strip handling
    • G03B1/18—Moving film strip by means which act on the film between the ends thereof
    • G03B1/20—Acting means
    • G03B1/22—Claws or pins engaging holes in the film
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/18—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
    • H02P25/182—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays whereby the speed is regulated by using centrifucal devices, e.g. switch, resistor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR943800D 1946-12-31 1946-12-31 Improvements to cinematographic projectors using reduced format films Expired FR943800A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR943800T 1946-12-31

Publications (1)

Publication Number Publication Date
FR943800A true FR943800A (en) 1949-03-17

Family

ID=9471404

Family Applications (1)

Application Number Title Priority Date Filing Date
FR943800D Expired FR943800A (en) 1946-12-31 1946-12-31 Improvements to cinematographic projectors using reduced format films

Country Status (1)

Country Link
FR (1) FR943800A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991010743A1 (en) * 1990-01-18 1991-07-25 Cura Nominees Pty Ltd Glycoalkaloids

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991010743A1 (en) * 1990-01-18 1991-07-25 Cura Nominees Pty Ltd Glycoalkaloids
US5958770A (en) * 1990-01-18 1999-09-28 Cham; Bill Elliot Glycoalkaloids

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