JPH0212770U - - Google Patents
Info
- Publication number
- JPH0212770U JPH0212770U JP1989003455U JP345589U JPH0212770U JP H0212770 U JPH0212770 U JP H0212770U JP 1989003455 U JP1989003455 U JP 1989003455U JP 345589 U JP345589 U JP 345589U JP H0212770 U JPH0212770 U JP H0212770U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- section
- disk
- signal recording
- recording section
- 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
Links
- 239000000758 substrate Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
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
- G11B23/0014—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 record carriers not specifically of filamentary or web form
- G11B23/0021—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 record carriers not specifically of filamentary or web form discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
Description
第1図は本考案のコンパクトデイスクの斜視図
、第2図は本考案のコンパクトデイスクの要部拡
大断面図、第3図は本考案によるデイスク基板の
ストーキング態様図、第4図は従来のデイスク基
板のストーキング態様図である。
図面の主要符号、10……コンパクトデイスク
、11……デイスク基板、12……中央孔、13
……信号開始部、14……非信号記録区間、15
……ピツト、16……信号終了部、17……信号
記録区間、18……表面、18′……裏面、19
……環状の突出部。
Fig. 1 is a perspective view of the compact disk of the present invention, Fig. 2 is an enlarged sectional view of essential parts of the compact disk of the present invention, Fig. 3 is a stalking mode diagram of the disk substrate of the present invention, and Fig. 4 is a conventional disk. It is a stalking mode diagram of a board|substrate. Main symbols in the drawings: 10...compact disk, 11...disk substrate, 12...center hole, 13
...Signal start part, 14...Non-signal recording section, 15
... Pit, 16 ... Signal end section, 17 ... Signal recording section, 18 ... Front side, 18' ... Back side, 19
...An annular protrusion.
Claims (1)
13までの非信号記録区間14と、デイジタル信
号をもつてピツト15が無数に形成された信号開
始部13から信号終了部16までの信号記録区間
17を有するコンパクトデイスク10において、
前記中央孔12から信号開始部13までの非信号
記録区間14の表面18またはその裏面18′に
所定の大きさの環状突出部19をデイスク基板1
1と一体に形成したことを特徴とする環状突出部
を有するコンパクトデイスク。 A non-signal recording section 14 from the central hole 12 of the disk substrate 11 to the signal start section 13, and a signal recording section 17 from the signal start section 13 to the signal end section 16, in which a countless number of pits 15 are formed with digital signals, are shown. In the compact disk 10 having,
An annular protrusion 19 of a predetermined size is formed on the front surface 18 or the back surface 18' of the non-signal recording section 14 from the central hole 12 to the signal start section 13 on the disk substrate 1.
1. A compact disk having an annular protrusion formed integrally with the disk.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR880011170 | 1988-07-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0212770U true JPH0212770U (en) | 1990-01-26 |
Family
ID=31492730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989003455U Pending JPH0212770U (en) | 1988-07-09 | 1989-01-13 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPH0212770U (en) |
CN (1) | CN2054931U (en) |
DE (1) | DE8815125U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5060292U (en) * | 1973-10-01 | 1975-06-03 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2768862B2 (en) * | 1991-12-16 | 1998-06-25 | シャープ株式会社 | Optical disc and surface treatment method thereof |
US5453975A (en) * | 1991-12-16 | 1995-09-26 | Sharp Kabushiki Kaisha | Optical disc with surface coating and manufacturing method therefor |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5020203U (en) * | 1973-06-18 | 1975-03-07 | ||
JPS6245772B2 (en) * | 1980-07-10 | 1987-09-29 | Meidensha Electric Mfg Co Ltd |
-
1988
- 1988-12-05 DE DE8815125U patent/DE8815125U1/de not_active Expired
-
1989
- 1989-01-13 JP JP1989003455U patent/JPH0212770U/ja active Pending
- 1989-07-05 CN CN89213609U patent/CN2054931U/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5020203U (en) * | 1973-06-18 | 1975-03-07 | ||
JPS6245772B2 (en) * | 1980-07-10 | 1987-09-29 | Meidensha Electric Mfg Co Ltd |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5060292U (en) * | 1973-10-01 | 1975-06-03 |
Also Published As
Publication number | Publication date |
---|---|
CN2054931U (en) | 1990-03-21 |
DE8815125U1 (en) | 1989-01-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0212770U (en) | ||
JPH0310260U (en) | ||
JPS63129273U (en) | ||
JPS6172778U (en) | ||
JPS63168653U (en) | ||
JPS6365180U (en) | ||
JPS6423720U (en) | ||
JPH0323847U (en) | ||
JPH0328531U (en) | ||
JPH0426411U (en) | ||
JPS63181109U (en) | ||
JPS60102757U (en) | disk player | |
JPH03102176U (en) | ||
JPH02144170U (en) | ||
JPS637695U (en) | ||
JPS648231U (en) | ||
JPH042374U (en) | ||
JPS63122945U (en) | ||
JPS6043229U (en) | magnetic therapy device | |
JPS6198268U (en) | ||
JPS60120517U (en) | floppy magnetic disk | |
JPS6222729U (en) | ||
JPH0268396U (en) | ||
JPS6442573U (en) | ||
JPS63168601U (en) |