FR2452454B3 - - Google Patents

Info

Publication number
FR2452454B3
FR2452454B3 FR7907893A FR7907893A FR2452454B3 FR 2452454 B3 FR2452454 B3 FR 2452454B3 FR 7907893 A FR7907893 A FR 7907893A FR 7907893 A FR7907893 A FR 7907893A FR 2452454 B3 FR2452454 B3 FR 2452454B3
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
FR7907893A
Other languages
French (fr)
Other versions
FR2452454A1 (fr
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.)
PRESTINOX SA
Original Assignee
PRESTINOX SA
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 PRESTINOX SA filed Critical PRESTINOX SA
Priority to FR7907893A priority Critical patent/FR2452454A1/fr
Publication of FR2452454A1 publication Critical patent/FR2452454A1/fr
Application granted granted Critical
Publication of FR2452454B3 publication Critical patent/FR2452454B3/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/44—Speed-changing arrangements; Reversing arrangements; Drive transfer means therefor
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/50—Controlling, regulating, or indicating speed by mechanical linkage, e.g. clutch

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
FR7907893A 1979-03-29 1979-03-29 Systeme d'entrainement a basse vitesse pour films, bandes magnetiques et analogues Granted FR2452454A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7907893A FR2452454A1 (fr) 1979-03-29 1979-03-29 Systeme d'entrainement a basse vitesse pour films, bandes magnetiques et analogues

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7907893A FR2452454A1 (fr) 1979-03-29 1979-03-29 Systeme d'entrainement a basse vitesse pour films, bandes magnetiques et analogues

Publications (2)

Publication Number Publication Date
FR2452454A1 FR2452454A1 (fr) 1980-10-24
FR2452454B3 true FR2452454B3 (show.php) 1981-12-31

Family

ID=9223701

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7907893A Granted FR2452454A1 (fr) 1979-03-29 1979-03-29 Systeme d'entrainement a basse vitesse pour films, bandes magnetiques et analogues

Country Status (1)

Country Link
FR (1) FR2452454A1 (show.php)

Also Published As

Publication number Publication date
FR2452454A1 (fr) 1980-10-24

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Legal Events

Date Code Title Description
ST Notification of lapse