DK143307C - Fremgangsmaade og apparat til tilvejebringelse af en slitagenedsaettende relativ bevaegelse mellem et magnethoved og et magnetbaand ved magnetbaandudstyr - Google Patents

Fremgangsmaade og apparat til tilvejebringelse af en slitagenedsaettende relativ bevaegelse mellem et magnethoved og et magnetbaand ved magnetbaandudstyr

Info

Publication number
DK143307C
DK143307C DK438775A DK438775A DK143307C DK 143307 C DK143307 C DK 143307C DK 438775 A DK438775 A DK 438775A DK 438775 A DK438775 A DK 438775A DK 143307 C DK143307 C DK 143307C
Authority
DK
Denmark
Prior art keywords
magnetic tape
wear
procedure
providing
magnetic
Prior art date
Application number
DK438775A
Other languages
Danish (da)
English (en)
Other versions
DK143307B (da
DK438775A (da
Inventor
T M Fowler
Jr H R Fraser
F E Hauke
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of DK438775A publication Critical patent/DK438775A/da
Publication of DK143307B publication Critical patent/DK143307B/da
Application granted granted Critical
Publication of DK143307C publication Critical patent/DK143307C/da

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
    • G11B15/61—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
DK438775A 1974-09-30 1975-09-29 Fremgangsmaade og apparat til tilvejebringelse af en slitagenedsaettende relativ bevaegelse mellem et magnethoved og et magnetbaand ved magnetbaandudstyr DK143307C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51032174 1974-09-30
US05/510,321 US3939493A (en) 1974-09-30 1974-09-30 Tape lifter

Publications (3)

Publication Number Publication Date
DK438775A DK438775A (da) 1976-03-31
DK143307B DK143307B (da) 1981-08-03
DK143307C true DK143307C (da) 1981-11-30

Family

ID=24030269

Family Applications (1)

Application Number Title Priority Date Filing Date
DK438775A DK143307C (da) 1974-09-30 1975-09-29 Fremgangsmaade og apparat til tilvejebringelse af en slitagenedsaettende relativ bevaegelse mellem et magnethoved og et magnetbaand ved magnetbaandudstyr

Country Status (18)

Country Link
US (1) US3939493A (de)
JP (1) JPS5539055B2 (de)
AT (1) AT346086B (de)
AU (1) AU498633B2 (de)
BE (1) BE830857A (de)
BR (1) BR7506293A (de)
CA (1) CA1061459A (de)
CH (1) CH582399A5 (de)
DK (1) DK143307C (de)
ES (1) ES441053A1 (de)
FI (1) FI62192C (de)
FR (1) FR2286460A1 (de)
GB (1) GB1483705A (de)
IT (1) IT1041935B (de)
NL (1) NL7511051A (de)
NO (1) NO148010C (de)
SE (1) SE408496B (de)
SU (1) SU651732A3 (de)

Families Citing this family (7)

* 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
US4414588A (en) * 1980-04-11 1983-11-08 Ampex Corporation Fluid bearing tape scanning drum
WO1984000438A1 (en) * 1982-07-06 1984-02-02 Matsushita Electric Ind Co Ltd Rotary head assembly
US4686597A (en) * 1985-09-27 1987-08-11 Rca Corporation Rotating head apparatus including a flying tape edge guide
JPH076455A (ja) * 1992-08-03 1995-01-10 Hitachi Ltd 記録再生装置
US9058836B2 (en) * 2009-01-29 2015-06-16 Hewlett-Packard Development Company, L.P. Data transfer apparatus
US10395681B1 (en) 2018-09-25 2019-08-27 International Business Machines Corporation Adjustable magnetic tape drive

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144324B (de) * 1961-09-08 1963-02-28 Telefunken Patent Vorrichtung zur magnetischen Aufzeichnung von Fernsehbild- und -tonsignalen
US3435442A (en) * 1965-03-26 1969-03-25 Ampex Fluid lubricated magnetic tape transducer
US3504136A (en) * 1966-03-21 1970-03-31 Fowler Allan R Drum type video tape recorder with a tape wrap of more than 360
US3855524A (en) * 1972-09-05 1974-12-17 Industrial Nucleonics Corp Measuring gauge with air bearing and resistant to tilt
US3840894A (en) * 1973-04-02 1974-10-08 Ibm Wide rotor for stable support of tape along path of transducer carried by rotor

Also Published As

Publication number Publication date
AU498633B2 (en) 1979-03-22
JPS5539055B2 (de) 1980-10-08
FR2286460A1 (fr) 1976-04-23
BE830857A (fr) 1975-10-16
SU651732A3 (ru) 1979-03-05
US3939493A (en) 1976-02-17
DK143307B (da) 1981-08-03
ATA698775A (de) 1978-02-15
GB1483705A (en) 1977-08-24
IT1041935B (it) 1980-01-10
NL7511051A (nl) 1976-04-01
FI62192C (fi) 1982-11-10
JPS5151916A (de) 1976-05-07
AU8383975A (en) 1977-02-17
NO148010B (no) 1983-04-11
CA1061459A (en) 1979-08-28
NO148010C (no) 1983-07-20
FI752718A (de) 1976-03-31
DE2539942A1 (de) 1976-08-26
FR2286460B1 (de) 1980-05-30
ES441053A1 (es) 1977-03-16
CH582399A5 (de) 1976-11-30
BR7506293A (pt) 1976-08-03
AT346086B (de) 1978-10-25
SE7509766L (sv) 1976-03-31
NO753235L (de) 1976-03-31
FI62192B (fi) 1982-07-30
DK438775A (da) 1976-03-31
DE2539942B2 (de) 1976-12-30
SE408496B (sv) 1979-06-11

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Legal Events

Date Code Title Description
PBP Patent lapsed