CH520945A - Mécanisme d'avance de film à vitesse variable - Google Patents

Mécanisme d'avance de film à vitesse variable

Info

Publication number
CH520945A
CH520945A CH1477670A CH1477670A CH520945A CH 520945 A CH520945 A CH 520945A CH 1477670 A CH1477670 A CH 1477670A CH 1477670 A CH1477670 A CH 1477670A CH 520945 A CH520945 A CH 520945A
Authority
CH
Switzerland
Prior art keywords
variable speed
advance mechanism
film advance
speed film
variable
Prior art date
Application number
CH1477670A
Other languages
English (en)
Inventor
Edward Nupnau Arthur
Hyung Kim Raymond Woo
Original Assignee
Bell & Howell Co
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 Bell & Howell Co filed Critical Bell & Howell Co
Publication of CH520945A publication Critical patent/CH520945A/fr

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)
  • Transmission Devices (AREA)
  • Advancing Webs (AREA)
CH1477670A 1969-10-06 1970-10-06 Mécanisme d'avance de film à vitesse variable CH520945A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86382169A 1969-10-06 1969-10-06

Publications (1)

Publication Number Publication Date
CH520945A true CH520945A (fr) 1972-03-31

Family

ID=25341859

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1477670A CH520945A (fr) 1969-10-06 1970-10-06 Mécanisme d'avance de film à vitesse variable

Country Status (9)

Country Link
US (1) US3592373A (fr)
AT (1) AT309211B (fr)
AU (1) AU1958570A (fr)
BE (1) BE757046A (fr)
CH (1) CH520945A (fr)
DE (1) DE2048334B2 (fr)
FR (1) FR2065081A5 (fr)
GB (1) GB1267283A (fr)
NL (1) NL142501B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5112109Y2 (fr) * 1972-08-07 1976-04-01
US3774828A (en) * 1972-10-13 1973-11-27 Gaf Corp Step motion projector
JP6073128B2 (ja) 2012-12-29 2017-02-01 ユニ・チャーム株式会社 切断装置及び切断装置を用いた清掃部材の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025753A (en) * 1957-11-14 1962-03-20 Eastman Kodak Co Motion picture projector for television
US3181174A (en) * 1961-07-21 1965-04-27 Optische Ind De Oude Delft Nv Variable intermittent film advancing means
US3212840A (en) * 1962-08-08 1965-10-19 Eastman Kodak Co Film feeding mechanism
US3261654A (en) * 1964-06-02 1966-07-19 Eastman Kodak Co Film feeding mechanism
US3481662A (en) * 1967-03-02 1969-12-02 Gaf Corp Film handling mechanism for a moving picture projector

Also Published As

Publication number Publication date
DE2048334A1 (de) 1971-04-22
BE757046A (fr) 1971-03-16
NL142501B (nl) 1974-06-17
US3592373A (en) 1971-07-13
AU1958570A (en) 1972-03-09
NL7013546A (fr) 1971-04-08
GB1267283A (en) 1972-03-15
AT309211B (de) 1973-08-10
DE2048334B2 (de) 1972-07-06
FR2065081A5 (fr) 1971-07-23

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Legal Events

Date Code Title Description
PL Patent ceased