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CA2312044C - Systeme de servocommande numerique pour lecteurs de disques - Google Patents

Systeme de servocommande numerique pour lecteurs de disques Download PDF

Info

Publication number
CA2312044C
CA2312044C CA002312044A CA2312044A CA2312044C CA 2312044 C CA2312044 C CA 2312044C CA 002312044 A CA002312044 A CA 002312044A CA 2312044 A CA2312044 A CA 2312044A CA 2312044 C CA2312044 C CA 2312044C
Authority
CA
Canada
Prior art keywords
signal
window
reading device
recording medium
arrangement
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 - Fee Related
Application number
CA002312044A
Other languages
English (en)
Other versions
CA2312044A1 (fr
Inventor
Ronald James Kadlec
Thomas James Frederick
Paul Henry Kelley
Philip Saxton Weilbacher
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.)
Sportech PLC
Original Assignee
Rodime PLC
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 Rodime PLC filed Critical Rodime PLC
Priority claimed from CA002235104A external-priority patent/CA2235104C/fr
Publication of CA2312044A1 publication Critical patent/CA2312044A1/fr
Application granted granted Critical
Publication of CA2312044C publication Critical patent/CA2312044C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Landscapes

  • Control Of Position Or Direction (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
CA002312044A 1990-09-18 1991-09-17 Systeme de servocommande numerique pour lecteurs de disques Expired - Fee Related CA2312044C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US58397290A 1990-09-18 1990-09-18
US583,972 1990-09-18
CA002235104A CA2235104C (fr) 1990-09-18 1991-09-17 Systeme de servocommande numerique pour lecteurs de disques

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002235104A Division CA2235104C (fr) 1990-09-18 1991-09-17 Systeme de servocommande numerique pour lecteurs de disques

Publications (2)

Publication Number Publication Date
CA2312044A1 CA2312044A1 (fr) 1992-03-19
CA2312044C true CA2312044C (fr) 2001-12-04

Family

ID=25680145

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002312044A Expired - Fee Related CA2312044C (fr) 1990-09-18 1991-09-17 Systeme de servocommande numerique pour lecteurs de disques

Country Status (1)

Country Link
CA (1) CA2312044C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113835396B (zh) * 2021-11-26 2022-03-04 四川省机械研究设计院(集团)有限公司 Cnc刀具监测方法和系统及调度管理方法和系统
CN114993461B (zh) * 2022-08-08 2022-11-04 成都久和建设设备有限责任公司 一种塔机机构电机振动的检测系统和方法

Also Published As

Publication number Publication date
CA2312044A1 (fr) 1992-03-19

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