JPH01109853U - - Google Patents

Info

Publication number
JPH01109853U
JPH01109853U JP236788U JP236788U JPH01109853U JP H01109853 U JPH01109853 U JP H01109853U JP 236788 U JP236788 U JP 236788U JP 236788 U JP236788 U JP 236788U JP H01109853 U JPH01109853 U JP H01109853U
Authority
JP
Japan
Prior art keywords
control data
disk
data area
recording
detects
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.)
Pending
Application number
JP236788U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP236788U priority Critical patent/JPH01109853U/ja
Publication of JPH01109853U publication Critical patent/JPH01109853U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示すブロツク図、
第２図はその要部の信号波形図である。 １……光デイスク、４……光学ヘツド、８……
フオーカスサーボ回路、１０……ＢＰＦ、１１…
…コンパレータ、１３……ワンシヨツトマルチ、
１４……Ｍ―ＣＯＭ。 FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a signal waveform diagram of the main part. 1... Optical disk, 4... Optical head, 8...
Focus servo circuit, 10... BPF, 11...
...Comparator, 13...One-shot multi,
14...M-COM.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 任意のデータを記録するデータエリアとそれ自
身の特性を示すコントロールデータを特定の信号
形態にて記録したコントロールデータエリアとを
有するデイスクを用いる情報記録再生装置におい
て、上記デイスクの半径方向に沿つて移動する再
生ヘツドと、この再生ヘツドにより、上記デイス
クから再生される信号の形態を判断することによ
つてコントロールデータを検知し、上記コントロ
ールデータエリアの位置検出を行なう検出回路と
を備えたことを特徴とする情報記録再生装置。 In an information recording/reproducing device using a disk having a data area for recording arbitrary data and a control data area for recording control data indicating its own characteristics in a specific signal form, the device moves along the radial direction of the disk. and a detection circuit that detects the control data by determining the form of the signal reproduced from the disk by the reproduction head, and detects the position of the control data area. Information recording and reproducing device.
JP236788U 1988-01-12 1988-01-12 Pending JPH01109853U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP236788U JPH01109853U (en) 1988-01-12 1988-01-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP236788U JPH01109853U (en) 1988-01-12 1988-01-12

Publications (1)

Publication Number Publication Date
JPH01109853U true JPH01109853U (en) 1989-07-25

Family

ID=31203071

Family Applications (1)

Application Number Title Priority Date Filing Date
JP236788U Pending JPH01109853U (en) 1988-01-12 1988-01-12

Country Status (1)

Country Link
JP (1) JPH01109853U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0334154A (en) * 1989-06-29 1991-02-14 Fujitsu Ltd Disk device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59201271A (en) * 1983-04-28 1984-11-14 Toshiba Corp Magnetic disk device
JPS6467775A (en) * 1987-09-09 1989-03-14 Toshiba Corp Disk device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59201271A (en) * 1983-04-28 1984-11-14 Toshiba Corp Magnetic disk device
JPS6467775A (en) * 1987-09-09 1989-03-14 Toshiba Corp Disk device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0334154A (en) * 1989-06-29 1991-02-14 Fujitsu Ltd Disk device

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