FR2664201B1 - Appareil permettant a un organe de rester, sans contact physique, a une distance predeterminee d'une surface entrainee en deplacement. - Google Patents

Appareil permettant a un organe de rester, sans contact physique, a une distance predeterminee d'une surface entrainee en deplacement.

Info

Publication number
FR2664201B1
FR2664201B1 FR9008367A FR9008367A FR2664201B1 FR 2664201 B1 FR2664201 B1 FR 2664201B1 FR 9008367 A FR9008367 A FR 9008367A FR 9008367 A FR9008367 A FR 9008367A FR 2664201 B1 FR2664201 B1 FR 2664201B1
Authority
FR
France
Prior art keywords
remain
predetermined distance
physical contact
moved surface
moved
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 - Lifetime
Application number
FR9008367A
Other languages
English (en)
Other versions
FR2664201A1 (fr
Inventor
Brecy Andre
Lacroix Andre
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.)
Bull SA
Original Assignee
Bull SA
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 Bull SA filed Critical Bull SA
Priority to FR9008367A priority Critical patent/FR2664201B1/fr
Publication of FR2664201A1 publication Critical patent/FR2664201A1/fr
Application granted granted Critical
Publication of FR2664201B1 publication Critical patent/FR2664201B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
    • B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
    • B23Q15/22—Control or regulation of position of tool or workpiece
    • B23Q15/24—Control or regulation of position of tool or workpiece of linear position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/385—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material
    • B41J2/43—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material for magnetic printing
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/108—Piezoelectric elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
FR9008367A 1990-07-03 1990-07-03 Appareil permettant a un organe de rester, sans contact physique, a une distance predeterminee d'une surface entrainee en deplacement. Expired - Lifetime FR2664201B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9008367A FR2664201B1 (fr) 1990-07-03 1990-07-03 Appareil permettant a un organe de rester, sans contact physique, a une distance predeterminee d'une surface entrainee en deplacement.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9008367A FR2664201B1 (fr) 1990-07-03 1990-07-03 Appareil permettant a un organe de rester, sans contact physique, a une distance predeterminee d'une surface entrainee en deplacement.

Publications (2)

Publication Number Publication Date
FR2664201A1 FR2664201A1 (fr) 1992-01-10
FR2664201B1 true FR2664201B1 (fr) 1992-09-11

Family

ID=9398262

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9008367A Expired - Lifetime FR2664201B1 (fr) 1990-07-03 1990-07-03 Appareil permettant a un organe de rester, sans contact physique, a une distance predeterminee d'une surface entrainee en deplacement.

Country Status (1)

Country Link
FR (1) FR2664201B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2791785B1 (fr) 1999-04-02 2001-07-13 Nipson Procede d'impression magnetographique
DE19925193B4 (de) 1999-04-14 2007-11-22 Gühring, Jörg, Dr. Piezoelektrischer Einstellmechanismus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7012826A (fr) * 1970-08-29 1972-03-02
US4605977A (en) * 1983-12-14 1986-08-12 Sperry Corporation Air bearing head displacement sensor and positioner
US4669011A (en) * 1985-05-03 1987-05-26 Eastman Kodak Company Slider assembly with dynamically positionable transducer

Also Published As

Publication number Publication date
FR2664201A1 (fr) 1992-01-10

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
TP Transmission of property
ST Notification of lapse
RN Application for restoration
D3 Decision to revoke the decision of lapse