IT994384B - DEVICE FOR THE PROCESSING OF MAGNETICALLY REGISTERED DATA - Google Patents

DEVICE FOR THE PROCESSING OF MAGNETICALLY REGISTERED DATA

Info

Publication number
IT994384B
IT994384B IT5275573A IT5275573A IT994384B IT 994384 B IT994384 B IT 994384B IT 5275573 A IT5275573 A IT 5275573A IT 5275573 A IT5275573 A IT 5275573A IT 994384 B IT994384 B IT 994384B
Authority
IT
Italy
Prior art keywords
processing
registered data
magnetically
magnetically registered
data
Prior art date
Application number
IT5275573A
Other languages
Italian (it)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT994384B publication Critical patent/IT994384B/en

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
IT5275573A 1972-09-29 1973-09-26 DEVICE FOR THE PROCESSING OF MAGNETICALLY REGISTERED DATA IT994384B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT994384B true IT994384B (en) 1975-10-20

Family

ID=19817035

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5275573A IT994384B (en) 1972-09-29 1973-09-26 DEVICE FOR THE PROCESSING OF MAGNETICALLY REGISTERED DATA

Country Status (9)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3461357B2 (en) * 1996-01-08 2003-10-27 シーゲイト テクノロジー エルエルシー Grooved hydrodynamic thrust bearings
US5795074A (en) * 1996-10-08 1998-08-18 Seagate Technology, Inc. Grooved hydrodynamic thrust bearing
DE102009009505A1 (en) * 2009-02-18 2010-09-16 Minebea Co., Ltd. Conical bearing surface for fluid dynamic bearing system for spindle motor of storage disk drive, has area with smaller diameter and area with larger diameter, where inner bearing grooves are arranged in distributed manner in area
CN110594288B (en) * 2019-09-29 2024-03-08 中国矿业大学 Magnetic control flexible tile thrust sliding bearing based on nano magnetic liquid

Family Cites Families (1)

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

Also Published As

Publication number Publication date
CA997861A (en) 1976-09-28
DE2345407C2 (en) 1983-12-15
JPS4973113A (en) 1974-07-15
FR2201514A1 (en) 1974-04-26
NL7213193A (en) 1974-04-02
CH563646A5 (en) 1975-06-30
DE2345407A1 (en) 1974-04-11
GB1446950A (en) 1976-08-18
SE395195B (en) 1977-08-01
FR2201514B3 (en) 1976-08-27

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