JPS544107A - Reference signal writing device - Google Patents

Reference signal writing device

Info

Publication number
JPS544107A
JPS544107A JP6970677A JP6970677A JPS544107A JP S544107 A JPS544107 A JP S544107A JP 6970677 A JP6970677 A JP 6970677A JP 6970677 A JP6970677 A JP 6970677A JP S544107 A JPS544107 A JP S544107A
Authority
JP
Japan
Prior art keywords
reference signal
writing device
signal writing
highly accurately
reference signals
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
JP6970677A
Other languages
Japanese (ja)
Other versions
JPS5644494B2 (en
Inventor
Kyosuke Ono
Naoyuki Tamaru
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP6970677A priority Critical patent/JPS544107A/en
Publication of JPS544107A publication Critical patent/JPS544107A/en
Publication of JPS5644494B2 publication Critical patent/JPS5644494B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To highly accurately write reference signals by highly accurately recording synchronous bits for track servo at a preset spacing.
COPYRIGHT: (C)1979,JPO&Japio
JP6970677A 1977-06-13 1977-06-13 Reference signal writing device Granted JPS544107A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6970677A JPS544107A (en) 1977-06-13 1977-06-13 Reference signal writing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6970677A JPS544107A (en) 1977-06-13 1977-06-13 Reference signal writing device

Publications (2)

Publication Number Publication Date
JPS544107A true JPS544107A (en) 1979-01-12
JPS5644494B2 JPS5644494B2 (en) 1981-10-20

Family

ID=13410544

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6970677A Granted JPS544107A (en) 1977-06-13 1977-06-13 Reference signal writing device

Country Status (1)

Country Link
JP (1) JPS544107A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143215A (en) * 1978-04-28 1979-11-08 Nec Corp Servo track writing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143215A (en) * 1978-04-28 1979-11-08 Nec Corp Servo track writing apparatus

Also Published As

Publication number Publication date
JPS5644494B2 (en) 1981-10-20

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