FR2219101B1 - - Google Patents

Info

Publication number
FR2219101B1
FR2219101B1 FR7406427A FR7406427A FR2219101B1 FR 2219101 B1 FR2219101 B1 FR 2219101B1 FR 7406427 A FR7406427 A FR 7406427A FR 7406427 A FR7406427 A FR 7406427A FR 2219101 B1 FR2219101 B1 FR 2219101B1
Authority
FR
France
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
FR7406427A
Other languages
French (fr)
Other versions
FR2219101A1 (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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi 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 Marconi Co Ltd filed Critical Marconi Co Ltd
Publication of FR2219101A1 publication Critical patent/FR2219101A1/fr
Application granted granted Critical
Publication of FR2219101B1 publication Critical patent/FR2219101B1/fr
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
    • G03B21/42—Preventing damage to film due to abnormal operation of projector
    • 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
    • G03B1/56—Threading; Loop forming
    • 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
    • G03B35/00—Stereoscopic photography
    • G03B35/18—Stereoscopic photography by simultaneous viewing
    • G03B35/24—Stereoscopic photography by simultaneous viewing using apertured or refractive resolving means on screens or between screen and eye

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
FR7406427A 1973-02-27 1974-02-26 Expired FR2219101B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB966673 1973-02-27

Publications (2)

Publication Number Publication Date
FR2219101A1 FR2219101A1 (en) 1974-09-20
FR2219101B1 true FR2219101B1 (en) 1976-10-08

Family

ID=9876420

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7406427A Expired FR2219101B1 (en) 1973-02-27 1974-02-26

Country Status (5)

Country Link
AU (1) AU6549574A (en)
DE (1) DE2325380A1 (en)
FR (1) FR2219101B1 (en)
IT (1) IT1004754B (en)
NL (1) NL7401026A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1402273A (en) * 1917-01-12 1922-01-03 Cru Patents Corp Threading and looping device

Also Published As

Publication number Publication date
AU6549574A (en) 1975-08-14
NL7401026A (en) 1974-08-29
DE2325380A1 (en) 1974-09-12
FR2219101A1 (en) 1974-09-20
IT1004754B (en) 1976-07-20

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Legal Events

Date Code Title Description
ST Notification of lapse