CH520343A - Filmprojektor - Google Patents

Filmprojektor

Info

Publication number
CH520343A
CH520343A CH1890170A CH1890170A CH520343A CH 520343 A CH520343 A CH 520343A CH 1890170 A CH1890170 A CH 1890170A CH 1890170 A CH1890170 A CH 1890170A CH 520343 A CH520343 A CH 520343A
Authority
CH
Switzerland
Prior art keywords
movie projector
movie
projector
Prior art date
Application number
CH1890170A
Other languages
English (en)
Inventor
Charles Kent George
Original Assignee
Gaf Corp
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 Gaf Corp filed Critical Gaf Corp
Publication of CH520343A publication Critical patent/CH520343A/de

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
    • G03B19/00—Cameras
    • G03B19/18—Motion-picture cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Control Of Ac Motors In General (AREA)
  • Instructional Devices (AREA)
  • Overhead Projectors And Projection Screens (AREA)
CH1890170A 1969-12-29 1970-12-21 Filmprojektor CH520343A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88873669A 1969-12-29 1969-12-29

Publications (1)

Publication Number Publication Date
CH520343A true CH520343A (de) 1972-03-15

Family

ID=25393784

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1890170A CH520343A (de) 1969-12-29 1970-12-21 Filmprojektor

Country Status (7)

Country Link
US (1) US3611084A (de)
AU (1) AU2347070A (de)
BE (1) BE760888A (de)
CH (1) CH520343A (de)
DE (1) DE2063683B2 (de)
FR (1) FR2072087B1 (de)
GB (1) GB1278390A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT332485B (de) * 1974-01-14 1976-09-27 Siemens Ag Bezuglich der betriebsfrequenz von 50 auf 60 hz umstellbare elektrische synchronmaschine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2466900A (en) * 1947-03-13 1949-04-12 Knapp Monarch Co Two-voltage shaver motor
US2543131A (en) * 1947-03-18 1951-02-27 Century Electric Company Dynamoelectric machine
US2613343A (en) * 1949-02-01 1952-10-07 Robbins & Myers Plural voltage motor
US3140637A (en) * 1960-07-01 1964-07-14 Leitz Ernst Gmbh Motion picture projector operable on different a. c. sources

Also Published As

Publication number Publication date
AU2347070A (en) 1972-06-22
FR2072087B1 (de) 1973-02-02
BE760888A (fr) 1971-05-27
GB1278390A (en) 1972-06-21
FR2072087A1 (de) 1971-09-24
US3611084A (en) 1971-10-05
DE2063683B2 (de) 1973-05-30
DE2063683A1 (de) 1971-07-08

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Legal Events

Date Code Title Description
PL Patent ceased