GB1393504A - Motion picture projectors - Google Patents

Motion picture projectors

Info

Publication number
GB1393504A
GB1393504A GB1983173A GB1983173A GB1393504A GB 1393504 A GB1393504 A GB 1393504A GB 1983173 A GB1983173 A GB 1983173A GB 1983173 A GB1983173 A GB 1983173A GB 1393504 A GB1393504 A GB 1393504A
Authority
GB
United Kingdom
Prior art keywords
lever
rocked
levers
slot
bar
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
GB1983173A
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.)
Meopta np
Original Assignee
Meopta np
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 Meopta np filed Critical Meopta np
Publication of GB1393504A publication Critical patent/GB1393504A/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
    • G03B1/00—Film strip handling
    • G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system
    • 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
    • G03B1/00—Film strip handling
    • G03B1/18—Moving film strip by means which act on the film between the ends thereof
    • G03B1/20—Acting means
    • G03B1/32—Friction grippers or rollers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Replacement Of Web Rolls (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
GB1983173A 1972-04-27 1973-04-26 Motion picture projectors Expired GB1393504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS286372A CS156336B1 (cs) 1972-04-27 1972-04-27

Publications (1)

Publication Number Publication Date
GB1393504A true GB1393504A (en) 1975-05-07

Family

ID=5366962

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1983173A Expired GB1393504A (en) 1972-04-27 1973-04-26 Motion picture projectors

Country Status (8)

Country Link
AT (1) AT337000B (cs)
CH (1) CH567737A5 (cs)
CS (1) CS156336B1 (cs)
DD (1) DD104859A1 (cs)
DE (1) DE2318541A1 (cs)
FR (1) FR2182560A5 (cs)
GB (1) GB1393504A (cs)
IT (1) IT984132B (cs)

Also Published As

Publication number Publication date
AT337000B (de) 1977-06-10
CS156336B1 (cs) 1974-07-24
DE2318541A1 (de) 1973-10-31
FR2182560A5 (cs) 1973-12-07
DD104859A1 (cs) 1974-03-20
CH567737A5 (cs) 1975-10-15
IT984132B (it) 1974-11-20

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee