CA997861A - Device for the processing of magnetically recorded data - Google Patents

Device for the processing of magnetically recorded data

Info

Publication number
CA997861A
CA997861A CA181,960A CA181960A CA997861A CA 997861 A CA997861 A CA 997861A CA 181960 A CA181960 A CA 181960A CA 997861 A CA997861 A CA 997861A
Authority
CA
Canada
Prior art keywords
processing
recorded data
magnetically recorded
magnetically
data
Prior art date
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
CA181,960A
Other languages
English (en)
Other versions
CA181960S (en
Inventor
Jacobus P. Reinhoudt
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA997861A publication Critical patent/CA997861A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/107—Grooves for generating pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/045—Sliding-contact bearings for exclusively rotary movement for axial load only with grooves in the bearing surface to generate hydrodynamic pressure, e.g. spiral groove thrust bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
    • 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
    • G11B5/58—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 provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Magnetic Record Carriers (AREA)
  • Sliding-Contact Bearings (AREA)
  • Moving Of Heads (AREA)
CA181,960A 1972-09-29 1973-09-26 Device for the processing of magnetically recorded data Expired CA997861A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7213193A NL7213193A (xx) 1972-09-29 1972-09-29

Publications (1)

Publication Number Publication Date
CA997861A true CA997861A (en) 1976-09-28

Family

ID=19817035

Family Applications (1)

Application Number Title Priority Date Filing Date
CA181,960A Expired CA997861A (en) 1972-09-29 1973-09-26 Device for the processing of magnetically recorded data

Country Status (9)

Country Link
JP (1) JPS4973113A (xx)
CA (1) CA997861A (xx)
CH (1) CH563646A5 (xx)
DE (1) DE2345407C2 (xx)
FR (1) FR2201514B3 (xx)
GB (1) GB1446950A (xx)
IT (1) IT994384B (xx)
NL (1) NL7213193A (xx)
SE (1) SE395195B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997025543A1 (en) * 1996-01-08 1997-07-17 Seagate Technology, Inc. Grooved hydrodynamic thrust bearing
US5795074A (en) * 1996-10-08 1998-08-18 Seagate Technology, Inc. Grooved hydrodynamic thrust bearing
DE102009009505A1 (de) * 2009-02-18 2010-09-16 Minebea Co., Ltd. Konische Lagerflächen eines fluiddynamischen Lagersystems
CN110594288B (zh) * 2019-09-29 2024-03-08 中国矿业大学 一种基于纳米磁性液体的磁控柔性瓦块推力滑动轴承

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4913012A (xx) * 1972-05-17 1974-02-05

Also Published As

Publication number Publication date
SE395195B (sv) 1977-08-01
NL7213193A (xx) 1974-04-02
FR2201514B3 (xx) 1976-08-27
DE2345407C2 (de) 1983-12-15
FR2201514A1 (xx) 1974-04-26
DE2345407A1 (de) 1974-04-11
IT994384B (it) 1975-10-20
GB1446950A (en) 1976-08-18
CH563646A5 (xx) 1975-06-30
JPS4973113A (xx) 1974-07-15

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