FR961424A - - Google Patents

Info

Publication number
FR961424A
FR961424A FR961424DA FR961424A FR 961424 A FR961424 A FR 961424A FR 961424D A FR961424D A FR 961424DA FR 961424 A FR961424 A FR 961424A
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
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.)
Publication date
Application granted granted Critical
Publication of FR961424A publication Critical patent/FR961424A/fr
Priority claimed from US225897A external-priority patent/US2671377A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/36—Scanning of motion picture films, e.g. for telecine
    • H04N3/40—Scanning of motion picture films, e.g. for telecine with intermittently moving film
    • H04N3/405—Scanning of motion picture films, e.g. for telecine with intermittently moving film with film moving only during the field blanking interval
    • 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
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2026—Gas discharge type light sources, e.g. arcs
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Prostheses (AREA)
FR961424D 1947-02-28 Expired FR961424A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US731472A US2499181A (en) 1947-02-28 1947-02-28 Pulsed light film projection for television transmissions
US225897A US2671377A (en) 1951-05-11 1951-05-11 Synchronized intermittent light source and film driving mechanism

Publications (1)

Publication Number Publication Date
FR961424A true FR961424A (fr) 1950-05-11

Family

ID=26920014

Family Applications (2)

Application Number Title Priority Date Filing Date
FR961424D Expired FR961424A (fr) 1947-02-28
FR62870D Expired FR62870E (fr) 1947-02-28 1952-05-09 Dispositif de projection à impulsions lumineuses

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR62870D Expired FR62870E (fr) 1947-02-28 1952-05-09 Dispositif de projection à impulsions lumineuses

Country Status (3)

Country Link
US (1) US2499181A (fr)
FR (2) FR62870E (fr)
GB (2) GB640488A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2671377A (en) * 1951-05-11 1954-03-09 Gen Electric Synchronized intermittent light source and film driving mechanism
CH322545A (fr) * 1949-02-18 1957-06-15 Cathodeon Ltd Procédé d'obtention d'un signal de télévision à l'aide d'un tube d'emmagasinage d'images et dispositif pour la mise en oeuvre de ce procédé
NL159865B (nl) * 1951-03-15 Kocken Alwin Machine voor het automatisch pellen van in kokend water gedode en ineengerolde garnalen.
BE524623A (fr) * 1952-11-28
US2834832A (en) * 1953-07-01 1958-05-13 Rca Corp Film drive apparatus
US2870250A (en) * 1953-09-28 1959-01-20 Fairchild Camera Instr Co Photoelectric pick-up system for engraving machines
US2920134A (en) * 1953-10-19 1960-01-05 Prudential Insurance Company O Cue board and spot projection for electronic picture taking
US2944109A (en) * 1953-12-07 1960-07-05 Martin E Evans Combined sound and color motion picture and television recording apparatus
NL206982A (fr) * 1955-05-11
US3017538A (en) * 1959-03-10 1962-01-16 Sakaki Yoshinobu Illuminating device for motion picture projecting
US3584147A (en) * 1969-09-11 1971-06-08 Rca Corp Crosstalk reduction in film player
AU1033583A (en) * 1982-09-23 1984-03-29 Consolidated Film Industries Motion picture inspection projector
GB8923654D0 (en) * 1989-10-20 1989-12-06 Walker Digital Audio Video Sys Film weave correction

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191406051A (en) * 1914-03-10 1915-03-10 Ralph Whitehead Birkett Improvements in and relating to Cinematographic Projection.
US1927474A (en) * 1931-07-03 1933-09-19 Trucksess Robert Lamp circuit
US2274709A (en) * 1936-09-02 1942-03-03 Bell Telephone Labor Inc Electro-optical image production
US2186013A (en) * 1934-03-10 1940-01-09 Edgerton Harold Eugene Motion-picture apparatus
GB463001A (en) * 1934-11-22 1937-03-19 Loewe Opta Gmbh Television receiver
GB502051A (en) * 1937-11-02 1939-03-10 Gen Electric Co Ltd Improvements in illuminating means for the transmission of television and the like
US2275898A (en) * 1939-08-22 1942-03-10 Rca Corp Microfacsimile system
US2343971A (en) * 1942-03-05 1944-03-14 Alfred N Goldsmith Television studio lighting

Also Published As

Publication number Publication date
GB703221A (en) 1954-01-27
FR62870E (fr) 1955-06-27
GB640488A (en) 1950-07-19
US2499181A (en) 1950-02-28

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