JPH035218U - - Google Patents

Info

Publication number
JPH035218U
JPH035218U JP6414289U JP6414289U JPH035218U JP H035218 U JPH035218 U JP H035218U JP 6414289 U JP6414289 U JP 6414289U JP 6414289 U JP6414289 U JP 6414289U JP H035218 U JPH035218 U JP H035218U
Authority
JP
Japan
Prior art keywords
recording
information
area
reproducing
playback
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
JP6414289U
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 JP6414289U priority Critical patent/JPH035218U/ja
Publication of JPH035218U publication Critical patent/JPH035218U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)

Description

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

第１図は本考案の光デイスクの第１の実施例を
示す構成図、第２図は本考案の光デイスクの第２
の実施例を示す構成図、第３図は従来の光デイス
クの例を示す構成図である。 １，１１，２１…光デイスク、２，１２，２２
…記録トラツク、３，１３，２３…リードイン領
域、４，１４，２４…情報記録／再生領域、５−
１，５−２…ピツト、６…ランド部、８…光スポ
ツト、９，１９，２９…リードアウト領域。 FIG. 1 is a configuration diagram showing a first embodiment of the optical disk of the present invention, and FIG. 2 is a configuration diagram showing a second embodiment of the optical disk of the present invention.
Fig. 3 is a block diagram showing an example of a conventional optical disk. 1, 11, 21...optical disk, 2, 12, 22
... Recording track, 3, 13, 23... Lead-in area, 4, 14, 24... Information recording/playback area, 5-
1, 5-2... Pit, 6... Land portion, 8... Light spot, 9, 19, 29... Lead-out area.

Claims (1)

【実用新案登録請求の範囲】 (1) 情報の記録／再生が行なわれる情報記録／
再生領域と、前記情報記録／再生領域の外側又は
内側に配置された、この情報記録／再生領域に情
報の記録／再生を行なう際に必要な記録／再生制
御情報が記録されたリードイン領域と、前記情報
記録／再生領域の内側又は外側に配置されたリー
ドアウト領域とを表面に有する光デイスクにおい
て、前記情報記録／再生領域の記録／再生情報の
記録密度よりも前記記録／再生制御情報の記録密
度が低い前記リードイン領域を備えたことを特徴
とする光デイスク。 (2) 前記記録／再生情報の記録密度に対して前
記記録／再生制御情報の径方向及び／又は周方向
の記録密度が低いことを特徴とする実用新案登録
請求の範囲第１項記載の光デイスク。[Scope of claim for utility model registration] (1) Information recording/reproduction where information is recorded/reproduced
a playback area; and a lead-in area, which is arranged outside or inside the information recording/playback area, and in which recording/playback control information necessary for recording/playback of information in the information recording/playback area is recorded. , in an optical disk having a lead-out area disposed inside or outside the information recording/reproducing area on the surface, the recording/reproducing control information is lower than the recording density of the recording/reproducing information in the information recording/reproducing area. An optical disc comprising the lead-in area with low recording density. (2) The light according to claim 1 of the utility model registration claim, characterized in that the recording density of the recording/reproducing control information in the radial direction and/or circumferential direction is lower than the recording density of the recording/reproducing information. disc.
JP6414289U 1989-05-31 1989-05-31 Pending JPH035218U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6414289U JPH035218U (en) 1989-05-31 1989-05-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6414289U JPH035218U (en) 1989-05-31 1989-05-31

Publications (1)

Publication Number Publication Date
JPH035218U true JPH035218U (en) 1991-01-18

Family

ID=31594817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6414289U Pending JPH035218U (en) 1989-05-31 1989-05-31

Country Status (1)

Country Link
JP (1) JPH035218U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008031771A (en) * 2006-07-31 2008-02-14 Daiwa Seiko Inc Tent for fishing
JP2008217989A (en) * 2000-11-21 2008-09-18 Yamaha Corp Optical disk recording apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5687238A (en) * 1979-12-14 1981-07-15 Matsushita Electric Ind Co Ltd Optical recording and reproducing device
JPS58175110A (en) * 1982-04-06 1983-10-14 Keiji Suzuki Disc recording system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5687238A (en) * 1979-12-14 1981-07-15 Matsushita Electric Ind Co Ltd Optical recording and reproducing device
JPS58175110A (en) * 1982-04-06 1983-10-14 Keiji Suzuki Disc recording system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008217989A (en) * 2000-11-21 2008-09-18 Yamaha Corp Optical disk recording apparatus
JP4670895B2 (en) * 2000-11-21 2011-04-13 ヤマハ株式会社 Optical disk recording device
JP2008031771A (en) * 2006-07-31 2008-02-14 Daiwa Seiko Inc Tent for fishing

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