GB1320810A - Shutter for a motion-picture projector - Google Patents

Shutter for a motion-picture projector

Info

Publication number
GB1320810A
GB1320810A GB4611771A GB4611771A GB1320810A GB 1320810 A GB1320810 A GB 1320810A GB 4611771 A GB4611771 A GB 4611771A GB 4611771 A GB4611771 A GB 4611771A GB 1320810 A GB1320810 A GB 1320810A
Authority
GB
United Kingdom
Prior art keywords
blades
shutter
disc
oct
stops
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
GB4611771A
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.)
Elmo Co Ltd
Original Assignee
Elmo Co Ltd
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 Elmo Co Ltd filed Critical Elmo Co Ltd
Publication of GB1320810A publication Critical patent/GB1320810A/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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Projection Apparatus (AREA)
GB4611771A 1970-10-03 1971-10-04 Shutter for a motion-picture projector Expired GB1320810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9834370 1970-10-03

Publications (1)

Publication Number Publication Date
GB1320810A true GB1320810A (en) 1973-06-20

Family

ID=14217244

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4611771A Expired GB1320810A (en) 1970-10-03 1971-10-04 Shutter for a motion-picture projector

Country Status (7)

Country Link
AT (1) AT314356B (https=)
CA (1) CA976392A (https=)
CH (1) CH531185A (https=)
DE (2) DE7137375U (https=)
FR (1) FR2109875A5 (https=)
GB (1) GB1320810A (https=)
IT (1) IT942661B (https=)

Also Published As

Publication number Publication date
DE2149233B2 (de) 1975-07-03
FR2109875A5 (https=) 1972-05-26
CH531185A (de) 1972-11-30
DE2149233A1 (de) 1972-04-06
IT942661B (it) 1973-04-02
AT314356B (de) 1974-02-15
CA976392A (en) 1975-10-21
DE7137375U (de) 1976-07-22

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Legal Events

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