FR861897A - Amélioration des projecteurs cinématographiques ou de télévision - Google Patents

Amélioration des projecteurs cinématographiques ou de télévision

Info

Publication number
FR861897A
FR861897A FR861897DA FR861897A FR 861897 A FR861897 A FR 861897A FR 861897D A FR861897D A FR 861897DA FR 861897 A FR861897 A FR 861897A
Authority
FR
France
Prior art keywords
improvement
film
television projectors
projectors
television
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.)
CIE RADIO CINEMA
Original Assignee
CIE RADIO CINEMA
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 RADIO CINEMA filed Critical CIE RADIO CINEMA
Application granted granted Critical
Publication of FR861897A publication Critical patent/FR861897A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/66—Transforming electric information into light information
    • 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

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR861897D 1939-02-22 1939-11-26 Amélioration des projecteurs cinématographiques ou de télévision Expired FR861897A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE861897X 1939-02-22

Publications (1)

Publication Number Publication Date
FR861897A true FR861897A (fr) 1941-02-19

Family

ID=6796504

Family Applications (1)

Application Number Title Priority Date Filing Date
FR861897D Expired FR861897A (fr) 1939-02-22 1939-11-26 Amélioration des projecteurs cinématographiques ou de télévision

Country Status (1)

Country Link
FR (1) FR861897A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278334A (en) 1978-12-01 1981-07-14 Minolta Camera Kabushiki Kaisha Illumination control apparatus for projection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278334A (en) 1978-12-01 1981-07-14 Minolta Camera Kabushiki Kaisha Illumination control apparatus for projection device

Similar Documents

Publication Publication Date Title
FR819107A (fr) Perfectionnements aux projecteurs
FR864139A (fr) écran de projection
FR861897A (fr) Amélioration des projecteurs cinématographiques ou de télévision
FR814362A (fr) écran électrostatique
FR863792A (fr) Télévision par ultra-sons
FR817654A (fr) Trépied
FR789734A (fr) Projecteur cinématographique
FR949991A (fr) Projecteur de cinématographie
FR821819A (fr) Projecteur perfectionné
FR857286A (fr) écran pour projections lumineuses fixes ou cinématographiques
FR840307A (fr) Appareil de projection cinématographique
FR803140A (fr) Perfectionnements aux appareils de projection cinématographique
FR782890A (fr) Perfectionnements aux appareils cinématographiques
FI17991A (fi) Elokuvaprojektori
FR828675A (fr) Projecteur cinématographique
FR856277A (fr) Avion-projecteur
FR844339A (fr) Projecteur cinématographique
FR838567A (fr) Projecteur cinématographique
FR811936A (fr) Perfectionnements aux projecteurs
FR797604A (fr) écran électrostatique
FR830173A (fr) Projecteur
FR816555A (fr) Projecteur cinématographique
FR820085A (fr) Image scioptique
FR804220A (fr) Projecteur
FR786580A (fr) Projecteur