JPH0134353B2 - - Google Patents

Info

Publication number
JPH0134353B2
JPH0134353B2 JP8402382A JP8402382A JPH0134353B2 JP H0134353 B2 JPH0134353 B2 JP H0134353B2 JP 8402382 A JP8402382 A JP 8402382A JP 8402382 A JP8402382 A JP 8402382A JP H0134353 B2 JPH0134353 B2 JP H0134353B2
Authority
JP
Japan
Prior art keywords
zero
output
signal
detection circuit
length
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
JP8402382A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58201087A (ja
Inventor
Masaoki Takai
Nobuyuki Kaneko
Soju Goto
Masatoshi Nakai
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP8402382A priority Critical patent/JPS58201087A/ja
Publication of JPS58201087A publication Critical patent/JPS58201087A/ja
Publication of JPH0134353B2 publication Critical patent/JPH0134353B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an AC

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
JP8402382A 1982-05-20 1982-05-20 最小反転間隔ビツト長測定装置 Granted JPS58201087A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8402382A JPS58201087A (ja) 1982-05-20 1982-05-20 最小反転間隔ビツト長測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8402382A JPS58201087A (ja) 1982-05-20 1982-05-20 最小反転間隔ビツト長測定装置

Publications (2)

Publication Number Publication Date
JPS58201087A JPS58201087A (ja) 1983-11-22
JPH0134353B2 true JPH0134353B2 (cs) 1989-07-19

Family

ID=13818962

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8402382A Granted JPS58201087A (ja) 1982-05-20 1982-05-20 最小反転間隔ビツト長測定装置

Country Status (1)

Country Link
JP (1) JPS58201087A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11191970A (ja) 1997-12-25 1999-07-13 Asmo Co Ltd 超音波モータ

Also Published As

Publication number Publication date
JPS58201087A (ja) 1983-11-22

Similar Documents

Publication Publication Date Title
EP0254748B1 (en) Device for detecting defect of disc-like recording media
JPH11183325A (ja) 光ディスクの再生信号のジッタ計測装置、光ディスクの再生信号のジッタ計測方法、光ディスクの記録及び／又は再生装置、並びに、光ディスクの再生方法
JPH02297763A (ja) 光学的読取り信号のクロストーク量検出装置
JPH0134353B2 (cs)
JPS61134928A (ja) 記録／未記録信号判定回路
JP2708162B2 (ja) 光ディスク媒体の感度評価方法
JPS6220145A (ja) 光学的情報再生装置
JP2533852B2 (ja) ジツタ−量測定装置
JPH06236553A (ja) 光記録媒体の記録再生方法
JPS6233427Y2 (cs)
JPH0581678A (ja) 光デイスク再生装置
JP2621230B2 (ja) ミラー面検出回路
KR940006891B1 (ko) 광디스크상의 오기록 판단장치
JPS6116070A (ja) 光学的情報の検知装置
JP2799706B2 (ja) 位相比較回路
JP2774278B2 (ja) 光ディスク装置のセクタマーク検出装置
JP2770780B2 (ja) 光ディスクの記録装置および記録方法
JP2626038B2 (ja) 光ディスクドライブ装置
JPS6199943A (ja) 焦点状態検査装置
JPH10143894A (ja) 光ディスクの偏心量測定装置
JPH04113520A (ja) アドレス情報再生装置
JPH0581494A (ja) 光カード記録再生装置
JPS59191174A (ja) 位置信号生成回路
JPH03116581A (ja) アシンメトリ補正装置
JPH0644351B2 (ja) 情報記録再生装置