CA2049767A1 - Support d'enregistrement en forme de disque - Google Patents

Support d'enregistrement en forme de disque

Info

Publication number
CA2049767A1
CA2049767A1 CA2049767A CA2049767A CA2049767A1 CA 2049767 A1 CA2049767 A1 CA 2049767A1 CA 2049767 A CA2049767 A CA 2049767A CA 2049767 A CA2049767 A CA 2049767A CA 2049767 A1 CA2049767 A1 CA 2049767A1
Authority
CA
Canada
Prior art keywords
disc
recording medium
shaped recording
range
inner diameter
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.)
Granted
Application number
CA2049767A
Other languages
English (en)
Other versions
CA2049767C (fr
Inventor
Katsuaki Tsurushima
Tadao Yoshida
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.)
Sony Corp
Original Assignee
Katsuaki Tsurushima
Tadao Yoshida
Sony Corporation
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 Katsuaki Tsurushima, Tadao Yoshida, Sony Corporation filed Critical Katsuaki Tsurushima
Publication of CA2049767A1 publication Critical patent/CA2049767A1/fr
Application granted granted Critical
Publication of CA2049767C publication Critical patent/CA2049767C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CA002049767A 1990-08-24 1991-08-23 Support d'enregistrement en forme de disque Expired - Fee Related CA2049767C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP22282390 1990-08-24
JP222823/90 1990-08-24
JP208871/91 1991-07-26
JP3208871A JPH056572A (ja) 1990-08-24 1991-07-26 デイスク状記録媒体

Publications (2)

Publication Number Publication Date
CA2049767A1 true CA2049767A1 (fr) 1992-02-25
CA2049767C CA2049767C (fr) 2000-10-31

Family

ID=26517094

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002049767A Expired - Fee Related CA2049767C (fr) 1990-08-24 1991-08-23 Support d'enregistrement en forme de disque

Country Status (2)

Country Link
JP (1) JPH056572A (fr)
CA (1) CA2049767C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995010886A1 (fr) 1993-10-08 1995-04-20 Sony Corporation Processeur de signaux numeriques, procede de traitement de signaux numeriques et support d'enregistrement de donnees
JP2001006210A (ja) 1999-06-22 2001-01-12 Sony Corp 光記録媒体及びディスクカートリッジ
KR100782804B1 (ko) * 2001-07-05 2007-12-06 삼성전자주식회사 고밀도 디스크
KR100788650B1 (ko) * 2001-10-13 2007-12-26 삼성전자주식회사 고밀도 디스크
CN1224028C (zh) * 2003-06-23 2005-10-19 清华大学 一种用于数据存储和读取的小尺寸光盘

Also Published As

Publication number Publication date
CA2049767C (fr) 2000-10-31
JPH056572A (ja) 1993-01-14

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