FR2256498A1 - - Google Patents

Info

Publication number
FR2256498A1
FR2256498A1 FR7443213A FR7443213A FR2256498A1 FR 2256498 A1 FR2256498 A1 FR 2256498A1 FR 7443213 A FR7443213 A FR 7443213A FR 7443213 A FR7443213 A FR 7443213A FR 2256498 A1 FR2256498 A1 FR 2256498A1
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.)
Granted
Application number
FR7443213A
Other versions
FR2256498B1 (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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2256498A1 publication Critical patent/FR2256498A1/fr
Application granted granted Critical
Publication of FR2256498B1 publication Critical patent/FR2256498B1/fr
Expired 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
    • G11B15/60—Guiding record carrier
    • G11B15/62—Maintaining desired spacing between record carrier and head
    • G11B15/64—Maintaining desired spacing between record carrier and head by fluid-dynamic spacing
    • 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
    • G11B15/60—Guiding record carrier
    • G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating heads
FR7443213A 1973-12-26 1974-12-20 Expired FR2256498B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US428143A US3900891A (en) 1973-12-26 1973-12-26 Rotating-head mandrel with cam surface

Publications (2)

Publication Number Publication Date
FR2256498A1 true FR2256498A1 (fr) 1975-07-25
FR2256498B1 FR2256498B1 (fr) 1976-10-22

Family

ID=23697717

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7443213A Expired FR2256498B1 (fr) 1973-12-26 1974-12-20

Country Status (4)

Country Link
US (1) US3900891A (fr)
JP (1) JPS5099308A (fr)
DE (1) DE2459817A1 (fr)
FR (1) FR2256498B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419559A1 (fr) * 1978-03-06 1979-10-05 Sony Corp Appareil d'enregistrement et de reproduction

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068270A (en) * 1975-09-29 1978-01-10 International Business Machines Corporation Device to support and position a magnetic transducer
JPS5515626U (fr) * 1978-07-12 1980-01-31
JPS5972670A (ja) * 1982-07-28 1984-04-24 サンガモ・ウエストン・インコ−ポレ−テツド 圧電型支持要素
US4686597A (en) * 1985-09-27 1987-08-11 Rca Corporation Rotating head apparatus including a flying tape edge guide

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378646A (en) * 1963-03-08 1968-04-16 Rca Corp Control system for helical scan recorder
US3333753A (en) * 1965-06-17 1967-08-01 Ampex Helical scan magnetic tape apparatus with a squeeze film bearing
US3504136A (en) * 1966-03-21 1970-03-31 Fowler Allan R Drum type video tape recorder with a tape wrap of more than 360
US3428524A (en) * 1966-07-29 1969-02-18 Us Army Helical tape scanner
US3564158A (en) * 1968-06-24 1971-02-16 Rca Corp Tape lifter
US3636275A (en) * 1968-07-03 1972-01-18 Akai Electric Headblock assembly of a magnetic video tape recorder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419559A1 (fr) * 1978-03-06 1979-10-05 Sony Corp Appareil d'enregistrement et de reproduction

Also Published As

Publication number Publication date
FR2256498B1 (fr) 1976-10-22
US3900891A (en) 1975-08-19
DE2459817A1 (de) 1975-07-03
JPS5099308A (fr) 1975-08-07

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Legal Events

Date Code Title Description
ST Notification of lapse