FR2256497B1 - - Google Patents

Info

Publication number
FR2256497B1
FR2256497B1 FR7443212A FR7443212A FR2256497B1 FR 2256497 B1 FR2256497 B1 FR 2256497B1 FR 7443212 A FR7443212 A FR 7443212A FR 7443212 A FR7443212 A FR 7443212A FR 2256497 B1 FR2256497 B1 FR 2256497B1
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
FR7443212A
Other versions
FR2256497A1 (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 FR2256497A1 publication Critical patent/FR2256497A1/fr
Application granted granted Critical
Publication of FR2256497B1 publication Critical patent/FR2256497B1/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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
FR7443212A 1973-12-26 1974-12-20 Expired FR2256497B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US428144A US3902192A (en) 1973-12-26 1973-12-26 Cam surface mandrel with air bearing support

Publications (2)

Publication Number Publication Date
FR2256497A1 FR2256497A1 (fr) 1975-07-25
FR2256497B1 true FR2256497B1 (fr) 1976-10-22

Family

ID=23697723

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7443212A Expired FR2256497B1 (fr) 1973-12-26 1974-12-20

Country Status (3)

Country Link
US (1) US3902192A (fr)
DE (1) DE2459878A1 (fr)
FR (1) FR2256497B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015291A (en) * 1975-09-03 1977-03-29 International Business Machines Corporation Flying head helical scan magnetic recording device employing a lobed rotor
DE2611666C2 (de) * 1976-03-19 1984-12-13 Basf Ag, 6700 Ludwigshafen Magnetband für ein Kontaktwickelaufwerk zur Aufzeichnung-/Wiedergabe von Signalen, insbesondere Videosignalen
US4686597A (en) * 1985-09-27 1987-08-11 Rca Corporation Rotating head apparatus including a flying tape edge guide

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363065A (en) * 1962-12-27 1968-01-09 Matsushita Electric Ind Co Ltd Single guide means for helically wrapping tape around a rotating recording head
US3414684A (en) * 1965-02-05 1968-12-03 Rca Corp Video recorder and/or reproducer with intermediate tape drive
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
US3564158A (en) * 1968-06-24 1971-02-16 Rca Corp Tape lifter

Also Published As

Publication number Publication date
DE2459878A1 (de) 1975-07-03
US3902192A (en) 1975-08-26
FR2256497A1 (fr) 1975-07-25

Similar Documents

Publication Publication Date Title
AR201758A1 (fr)
AU476761B2 (fr)
AU465372B2 (fr)
AR201235Q (fr)
AR201231Q (fr)
AU474593B2 (fr)
AU474511B2 (fr)
AU474838B2 (fr)
AU465453B2 (fr)
AU465434B2 (fr)
AU471343B2 (fr)
AU450229B2 (fr)
AU476714B2 (fr)
AR201229Q (fr)
AU466283B2 (fr)
AU476696B2 (fr)
AU472848B2 (fr)
AR199451A1 (fr)
AU477823B2 (fr)
AR197627A1 (fr)
AU471461B2 (fr)
AR200256A1 (fr)
AU461342B2 (fr)
AR210729A1 (fr)
AU477824B2 (fr)

Legal Events

Date Code Title Description
ST Notification of lapse