JPH0461417B2 - - Google Patents

Info

Publication number
JPH0461417B2
JPH0461417B2 JP7401984A JP7401984A JPH0461417B2 JP H0461417 B2 JPH0461417 B2 JP H0461417B2 JP 7401984 A JP7401984 A JP 7401984A JP 7401984 A JP7401984 A JP 7401984A JP H0461417 B2 JPH0461417 B2 JP H0461417B2
Authority
JP
Japan
Prior art keywords
digital signal
stamper
disk
signal
digital
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
Application number
JP7401984A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60217544A (ja
Inventor
Koichi Azuma
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP7401984A priority Critical patent/JPS60217544A/ja
Publication of JPS60217544A publication Critical patent/JPS60217544A/ja
Publication of JPH0461417B2 publication Critical patent/JPH0461417B2/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
    • 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
    • G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
    • G11B23/42—Marks for indexing, speed-controlling, synchronising, or timing

Landscapes

  • Manufacturing Optical Record Carriers (AREA)
JP7401984A 1984-04-13 1984-04-13 ディジタル信号再生用テストディスクの製造方法 Granted JPS60217544A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7401984A JPS60217544A (ja) 1984-04-13 1984-04-13 ディジタル信号再生用テストディスクの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7401984A JPS60217544A (ja) 1984-04-13 1984-04-13 ディジタル信号再生用テストディスクの製造方法

Publications (2)

Publication Number Publication Date
JPS60217544A JPS60217544A (ja) 1985-10-31
JPH0461417B2 true JPH0461417B2 (zh) 1992-09-30

Family

ID=13534978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7401984A Granted JPS60217544A (ja) 1984-04-13 1984-04-13 ディジタル信号再生用テストディスクの製造方法

Country Status (1)

Country Link
JP (1) JPS60217544A (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2699349B2 (ja) * 1987-04-20 1998-01-19 松下電器産業株式会社 光デイスクテストデイスクおよびその製造方法
JP2770427B2 (ja) * 1989-06-13 1998-07-02 ソニー株式会社 基準光ディスク
JP2776205B2 (ja) * 1993-07-30 1998-07-16 ティアック株式会社 検査用ディスク及びその製造方法

Also Published As

Publication number Publication date
JPS60217544A (ja) 1985-10-31

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees