DE2657318A1 - Filmprojektor - Google Patents

Filmprojektor

Info

Publication number
DE2657318A1
DE2657318A1 DE19762657318 DE2657318A DE2657318A1 DE 2657318 A1 DE2657318 A1 DE 2657318A1 DE 19762657318 DE19762657318 DE 19762657318 DE 2657318 A DE2657318 A DE 2657318A DE 2657318 A1 DE2657318 A1 DE 2657318A1
Authority
DE
Germany
Prior art keywords
film
drive
plate
projector according
roller
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.)
Granted
Application number
DE19762657318
Other languages
German (de)
English (en)
Other versions
DE2657318C2 (pt
Inventor
Melvin T Kerstein
Peter S Mischenko
Vincent S Pasturczak
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.)
Bell and Howell Co
Original Assignee
Bell and 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
Priority claimed from US05/641,495 external-priority patent/US4037949A/en
Priority claimed from US05/641,682 external-priority patent/US4033680A/en
Priority claimed from US05/641,683 external-priority patent/US4087165A/en
Application filed by Bell and Howell Co filed Critical Bell and Howell Co
Publication of DE2657318A1 publication Critical patent/DE2657318A1/de
Application granted granted Critical
Publication of DE2657318C2 publication Critical patent/DE2657318C2/de
Granted 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
    • G03B21/43—Driving mechanisms
    • G03B21/44—Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Projection-Type Copiers In General (AREA)
  • Holders For Sensitive Materials And Originals (AREA)
DE19762657318 1975-12-17 1976-12-17 Filmprojektor Granted DE2657318A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/641,495 US4037949A (en) 1975-12-17 1975-12-17 Slot load projector
US05/641,682 US4033680A (en) 1975-12-17 1975-12-17 Rapid film rewind mechanism
US05/641,683 US4087165A (en) 1975-12-17 1975-12-17 Film tension absorbing system

Publications (2)

Publication Number Publication Date
DE2657318A1 true DE2657318A1 (de) 1977-07-28
DE2657318C2 DE2657318C2 (pt) 1987-03-12

Family

ID=27417676

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19762657318 Granted DE2657318A1 (de) 1975-12-17 1976-12-17 Filmprojektor
DE19762660999 Expired DE2660999C2 (de) 1975-12-17 1976-12-17 Filmprojektor

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19762660999 Expired DE2660999C2 (de) 1975-12-17 1976-12-17 Filmprojektor

Country Status (6)

Country Link
JP (1) JPS5274336A (pt)
BR (1) BR7608251A (pt)
DE (2) DE2657318A1 (pt)
FR (1) FR2420782A3 (pt)
GB (1) GB1568389A (pt)
MY (2) MY8400387A (pt)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119300A (en) * 1961-02-13 1964-01-28 Saginaw Insurance Agency Motion picture projector
US3734602A (en) * 1972-04-17 1973-05-22 Grafler Inc Slot load projector
US3737220A (en) * 1971-05-24 1973-06-05 Graflex Inc Slot-load projector
US3848981A (en) * 1973-06-14 1974-11-19 Kalart Victor Corp Self-threading motion picture projector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119300A (en) * 1961-02-13 1964-01-28 Saginaw Insurance Agency Motion picture projector
US3737220A (en) * 1971-05-24 1973-06-05 Graflex Inc Slot-load projector
US3734602A (en) * 1972-04-17 1973-05-22 Grafler Inc Slot load projector
US3848981A (en) * 1973-06-14 1974-11-19 Kalart Victor Corp Self-threading motion picture projector

Also Published As

Publication number Publication date
BR7608251A (pt) 1977-11-29
MY8400387A (en) 1984-12-31
JPS5274336A (en) 1977-06-22
MY8600457A (en) 1986-12-31
JPS6127730B2 (pt) 1986-06-26
GB1568389A (en) 1980-05-29
DE2660999C2 (de) 1986-10-16
FR2420782A3 (fr) 1979-10-19
DE2657318C2 (pt) 1987-03-12

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