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CA934196A - Automatic stopping mechanism for a motion picture projector - Google Patents

Automatic stopping mechanism for a motion picture projector

Info

Publication number
CA934196A
CA934196A CA117994A CA117994A CA934196A CA 934196 A CA934196 A CA 934196A CA 117994 A CA117994 A CA 117994A CA 117994 A CA117994 A CA 117994A CA 934196 A CA934196 A CA 934196A
Authority
CA
Canada
Prior art keywords
motion picture
stopping mechanism
automatic stopping
picture projector
projector
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
CA117994A
Other versions
CA117994S (en
Inventor
J. Zahradnik George
A. Pudark Arthur
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.)
AB Dick Co
Original Assignee
AB Dick 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 AB Dick Co filed Critical AB Dick Co
Application granted granted Critical
Publication of CA934196A publication Critical patent/CA934196A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/50—Control devices operated by the film strip during the run

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Automatic Disk Changers (AREA)
CA117994A 1970-07-31 1971-07-12 Automatic stopping mechanism for a motion picture projector Expired CA934196A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5993370A 1970-07-31 1970-07-31

Publications (1)

Publication Number Publication Date
CA934196A true CA934196A (en) 1973-09-25

Family

ID=22026235

Family Applications (1)

Application Number Title Priority Date Filing Date
CA117994A Expired CA934196A (en) 1970-07-31 1971-07-12 Automatic stopping mechanism for a motion picture projector

Country Status (4)

Country Link
US (1) US3647288A (en)
CA (1) CA934196A (en)
DE (1) DE2137894A1 (en)
GB (1) GB1346237A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953871A (en) * 1974-12-20 1976-04-27 The United States Of America As Represented By The Secretary Of The Air Force Precision light exposure timing and shutter mechanism for a wide range of exposure durations

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397937A (en) * 1965-06-07 1968-08-20 Technicolor Stop-frame mechanism for a motion picture projector
US3466124A (en) * 1967-02-06 1969-09-09 Bohn Benton Inc Single framing device for motion picture projectors

Also Published As

Publication number Publication date
US3647288A (en) 1972-03-07
DE2137894A1 (en) 1972-02-03
GB1346237A (en) 1974-02-06

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