JPS57103111A - Centering device for recording track of recording disk - Google Patents

Centering device for recording track of recording disk

Info

Publication number
JPS57103111A
JPS57103111A JP17997680A JP17997680A JPS57103111A JP S57103111 A JPS57103111 A JP S57103111A JP 17997680 A JP17997680 A JP 17997680A JP 17997680 A JP17997680 A JP 17997680A JP S57103111 A JPS57103111 A JP S57103111A
Authority
JP
Japan
Prior art keywords
disk
recording
track
light
centering device
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
JP17997680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6349283B2 (enrdf_load_stackoverflow
Inventor
Takashi Nishio
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.)
Pioneer Video Corp
Universal Pioneer Corp
Original Assignee
Pioneer Video Corp
Universal Pioneer 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 Pioneer Video Corp, Universal Pioneer Corp filed Critical Pioneer Video Corp
Priority to JP17997680A priority Critical patent/JPS57103111A/ja
Publication of JPS57103111A publication Critical patent/JPS57103111A/ja
Publication of JPS6349283B2 publication Critical patent/JPS6349283B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture

Landscapes

  • Manufacturing Optical Record Carriers (AREA)
JP17997680A 1980-12-19 1980-12-19 Centering device for recording track of recording disk Granted JPS57103111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17997680A JPS57103111A (en) 1980-12-19 1980-12-19 Centering device for recording track of recording disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17997680A JPS57103111A (en) 1980-12-19 1980-12-19 Centering device for recording track of recording disk

Publications (2)

Publication Number Publication Date
JPS57103111A true JPS57103111A (en) 1982-06-26
JPS6349283B2 JPS6349283B2 (enrdf_load_stackoverflow) 1988-10-04

Family

ID=16075270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17997680A Granted JPS57103111A (en) 1980-12-19 1980-12-19 Centering device for recording track of recording disk

Country Status (1)

Country Link
JP (1) JPS57103111A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02210680A (ja) * 1988-10-31 1990-08-22 Rozefu:Kk グルーブの照明方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56153506A (en) * 1980-03-31 1981-11-27 Polygram Gmbh Centering unit for providing central hole on disk

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56153506A (en) * 1980-03-31 1981-11-27 Polygram Gmbh Centering unit for providing central hole on disk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02210680A (ja) * 1988-10-31 1990-08-22 Rozefu:Kk グルーブの照明方法

Also Published As

Publication number Publication date
JPS6349283B2 (enrdf_load_stackoverflow) 1988-10-04

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