IT946992B - Sistema per comandare lo spostamen to di una testina particolarmente per una memoria a disco - Google Patents

Sistema per comandare lo spostamen to di una testina particolarmente per una memoria a disco

Info

Publication number
IT946992B
IT946992B IT19895/72A IT1989572A IT946992B IT 946992 B IT946992 B IT 946992B IT 19895/72 A IT19895/72 A IT 19895/72A IT 1989572 A IT1989572 A IT 1989572A IT 946992 B IT946992 B IT 946992B
Authority
IT
Italy
Prior art keywords
commanding
movement
disk memory
head particularly
head
Prior art date
Application number
IT19895/72A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT946992B publication Critical patent/IT946992B/it

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
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
    • G05B19/21—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device
    • G05B19/23—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device for point-to-point control
    • 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
    • G11B5/54—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 into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5547—"Seek" control and circuits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Control Of Position Or Direction (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
IT19895/72A 1971-02-15 1972-01-28 Sistema per comandare lo spostamen to di una testina particolarmente per una memoria a disco IT946992B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB468171 1971-02-15

Publications (1)

Publication Number Publication Date
IT946992B true IT946992B (it) 1973-05-21

Family

ID=9781787

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19895/72A IT946992B (it) 1971-02-15 1972-01-28 Sistema per comandare lo spostamen to di una testina particolarmente per una memoria a disco

Country Status (7)

Country Link
US (1) US3731177A (it)
JP (1) JPS5117410B2 (it)
CA (1) CA960772A (it)
DE (1) DE2206303C2 (it)
FR (1) FR2125852A5 (it)
GB (1) GB1319227A (it)
IT (1) IT946992B (it)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870559A (en) * 1969-11-24 1989-09-26 Hyatt Gilbert P Intelligent transducer
US4364110A (en) * 1970-12-28 1982-12-14 Hyatt Gilbert P Computerized machine control system
US4396976A (en) * 1972-09-11 1983-08-02 Hyatt Gilbert P System for interfacing a computer to a machine
US3835360A (en) * 1970-08-26 1974-09-10 Tektronix Inc Numerical control system
US4310878A (en) * 1970-12-28 1982-01-12 Hyatt Gilbert P Digital feedback control system
BE795583A (fr) * 1972-02-18 1973-08-16 Philips Nv Procede et dispositif de positionnement
US3958166A (en) * 1972-03-16 1976-05-18 National Research Development Corporation Speed adjusting apparatus
US4016406A (en) * 1972-07-03 1977-04-05 Shinko Electric Co., Ltd. Automatic film retrieval system and method therefor
CA995300A (en) * 1972-08-21 1976-08-17 John Cuda Coarse and fine control for position servo
US3914677A (en) * 1973-06-08 1975-10-21 Sperry Rand Corp Precision motion control device or the like
US3924170A (en) * 1973-07-31 1975-12-02 Int Computers Ltd Bang-bang servo system
US3952238A (en) * 1973-11-29 1976-04-20 Hymie Cutler Programmable positioning apparatus and acceleration control system particularly useful therein
US3950685A (en) * 1974-04-25 1976-04-13 Lrc, Inc. Dc motor position controller
US3986091A (en) * 1974-11-15 1976-10-12 Burroughs Corporation Carrier positioning system
US4031443A (en) * 1975-05-22 1977-06-21 Compagnie Honeywell Bull (Societe Anonyme) Apparatus for positionally controlling a movable head assembly
FR2336768A1 (fr) * 1975-12-24 1977-07-22 Honeywell Bull Soc Ind Procede pour deplacer un systeme mobile par rapport a un support d'enregistrement d'informations et dispositif pour le mettre en oeuvre
JPS5636206Y2 (it) * 1976-11-04 1981-08-26
US4096579A (en) * 1977-02-28 1978-06-20 Xerox Corporation Velocity control apparatus for disk drive
US4096534A (en) * 1977-04-12 1978-06-20 International Business Machines Corporation Track accessing circuitry for a disk file with switchable filter
FR2409572B1 (fr) * 1977-11-22 1985-10-04 Victor Company Of Japan Dispositif a acces selectif pour appareil de reproduction a moyen d'enregistrement tournant
US4215301A (en) * 1978-10-10 1980-07-29 Hewlett-Packard Company Digital servo positioning circuit
US4261039A (en) * 1979-10-19 1981-04-07 International Business Machines Corporation Microprocessor controlled positioning system
US4404505A (en) * 1981-03-03 1983-09-13 Swanson Systems, Inc. Programmable multiple position machine
US4469993A (en) * 1981-03-03 1984-09-04 Swanson Systems, Inc. Programmable multiple position machine
US4609954A (en) * 1984-03-02 1986-09-02 Eastman Kodak Company Tracking servo for a disk player with a dc motor
DE3661869D1 (en) * 1985-02-08 1989-02-23 Tandberg Data Method and arrangement for positioning a magnetic head on several magnetic-tape tracks
US5184338A (en) * 1987-06-25 1993-02-02 Mitsubishi Denki Kabushiki Kaisha Optical disc system with improved track jumping operation
EP0321886A1 (de) * 1987-12-21 1989-06-28 Siemens Aktiengesellschaft Verfahren zum geschwindigkeitsgeregelten Positionieren eines Schreib-/Lesekopfs in bezug auf einen rotierenden Aufzeichnungsträger
US5194798A (en) * 1989-01-10 1993-03-16 Fujitsu Limited Servo circuit control method and system
JP2760077B2 (ja) * 1989-08-29 1998-05-28 ソニー株式会社 光ディスクのシーク回路
JP2616586B2 (ja) * 1991-01-16 1997-06-04 松下電器産業株式会社 磁気ディスク及び磁気ディスク装置
US5921659A (en) * 1993-06-18 1999-07-13 Light & Sound Design, Ltd. Stage lighting lamp unit and stage lighting system including such unit
US5502627A (en) * 1992-09-25 1996-03-26 Light & Sound Design Limited Stage lighting lamp unit and stage lighting system including such unit
ATE172407T1 (de) * 1993-01-19 1998-11-15 Canon Kk Aufzeichnungsgerät
US5739974A (en) * 1993-03-09 1998-04-14 Hewlett-Packard Company System for calibrating a magnetic tape drive
KR102563311B1 (ko) * 2018-11-16 2023-08-04 삼성전자주식회사 조리 장치 및 그 제어 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3411058A (en) * 1965-01-19 1968-11-12 Superior Electric Co Acceleration deceleration control circuit for a stepping motor
US3449735A (en) * 1965-12-30 1969-06-10 Sperry Rand Corp Transducer positioning system
US3427606A (en) * 1966-03-02 1969-02-11 Ibm Memory system
US3523229A (en) * 1967-01-05 1970-08-04 Ibm Digital-analog servo system
US3659175A (en) * 1970-06-08 1972-04-25 Information Storage Systems Circuit to prevent oscillation in an electronic servosystem
US3663880A (en) * 1970-09-14 1972-05-16 Diablo Systems Inc Apparatus for controlling the relative position between two relatively movable members

Also Published As

Publication number Publication date
GB1319227A (en) 1973-06-06
CA960772A (en) 1975-01-07
US3731177A (en) 1973-05-01
DE2206303C2 (de) 1985-01-17
DE2206303A1 (de) 1972-09-07
FR2125852A5 (it) 1972-09-29
JPS5117410B2 (it) 1976-06-02
JPS4719812A (it) 1972-09-26

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