DE68920162T2 - Zugriffsteuersystem für einen Wandlerkopf. - Google Patents

Zugriffsteuersystem für einen Wandlerkopf.

Info

Publication number
DE68920162T2
DE68920162T2 DE68920162T DE68920162T DE68920162T2 DE 68920162 T2 DE68920162 T2 DE 68920162T2 DE 68920162 T DE68920162 T DE 68920162T DE 68920162 T DE68920162 T DE 68920162T DE 68920162 T2 DE68920162 T2 DE 68920162T2
Authority
DE
Germany
Prior art keywords
control system
access control
converter head
converter
head
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
DE68920162T
Other languages
English (en)
Other versions
DE68920162D1 (de
Inventor
Nobuyuki Horie
Daiji Yamane
Yoshiki Nishioka
Yoshio Yuki
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE68920162D1 publication Critical patent/DE68920162D1/de
Publication of DE68920162T2 publication Critical patent/DE68920162T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G05B19/416—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 control of velocity, acceleration or deceleration
DE68920162T 1988-02-05 1989-02-03 Zugriffsteuersystem für einen Wandlerkopf. Expired - Lifetime DE68920162T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63026265A JP2518885B2 (ja) 1988-02-05 1988-02-05 アクセス制御方式

Publications (2)

Publication Number Publication Date
DE68920162D1 DE68920162D1 (de) 1995-02-09
DE68920162T2 true DE68920162T2 (de) 1995-08-03

Family

ID=12188437

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68920162T Expired - Lifetime DE68920162T2 (de) 1988-02-05 1989-02-03 Zugriffsteuersystem für einen Wandlerkopf.

Country Status (4)

Country Link
US (1) US5043961A (de)
EP (1) EP0327108B1 (de)
JP (1) JP2518885B2 (de)
DE (1) DE68920162T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3959071B2 (ja) * 2004-03-17 2007-08-15 アルプス電気株式会社 位置決め装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2258661B1 (de) * 1974-01-18 1977-08-26 Honeywell Bull Soc Ind
JPS5117410A (ja) * 1974-08-05 1976-02-12 Mansei Kogyo Kk Yomitorisochi
US4099112A (en) * 1976-10-26 1978-07-04 Xerox Corporation Method and means for seeking magnetic tracks
DE3168655D1 (en) * 1980-12-31 1985-03-14 Ibm Magnetic recording disk file
DE3374967D1 (en) * 1982-09-15 1988-01-28 Ampex Improved bang-bang controlled velocity command generator
US4547822A (en) * 1983-08-04 1985-10-15 Tecstor, Inc. Head positioning servo for disk drives
US4591933A (en) * 1983-11-28 1986-05-27 Computer Memories, Incorporated Disk drive head positioner with optimized seek operation
JPS61294671A (ja) * 1985-06-20 1986-12-25 Fuji Electric Co Ltd 磁気デイスクサ−ボ制御装置
JPS6284471A (ja) * 1985-10-09 1987-04-17 Hitachi Ltd 高速検索装置
JPS62139186A (ja) * 1985-12-12 1987-06-22 Fuji Electric Co Ltd ディスク記憶装置のトラック位置決め制御回路
JPS62246183A (ja) * 1986-04-18 1987-10-27 Victor Co Of Japan Ltd ヘツド速度制御方式
JPS63279478A (ja) * 1987-05-08 1988-11-16 Sharp Corp アクセス制御方式
JPH087953B2 (ja) * 1987-05-30 1996-01-29 株式会社東芝 磁気記録再生装置の磁気ヘッド位置決め制御装置

Also Published As

Publication number Publication date
JP2518885B2 (ja) 1996-07-31
JPH01201879A (ja) 1989-08-14
US5043961A (en) 1991-08-27
EP0327108A3 (en) 1989-12-06
DE68920162D1 (de) 1995-02-09
EP0327108B1 (de) 1994-12-28
EP0327108A2 (de) 1989-08-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

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