HK58888A - Optically readable disc - Google Patents
Optically readable discInfo
- Publication number
- HK58888A HK58888A HK588/88A HK58888A HK58888A HK 58888 A HK58888 A HK 58888A HK 588/88 A HK588/88 A HK 588/88A HK 58888 A HK58888 A HK 58888A HK 58888 A HK58888 A HK 58888A
- Authority
- HK
- Hong Kong
- Prior art keywords
- optically readable
- readable disc
- disc
- optically
- readable
- Prior art date
Links
Classifications
-
- 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
- G11B7/24018—Laminated discs
- G11B7/24021—Laminated discs provided with a special shape or structure for centering or eccentricity prevention, e.g. alignment
-
- 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
- G11B7/24015—Air-sandwiched discs
-
- 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
- G11B7/24097—Structures for detection, control, recording operation or replay operation; Special shapes or structures for centering or eccentricity prevention; Arrangements for testing, inspecting or evaluating; Containers, cartridges or cassettes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8300479A NL8300479A (nl) | 1983-02-09 | 1983-02-09 | Optisch uitleesbare plaat. |
Publications (1)
Publication Number | Publication Date |
---|---|
HK58888A true HK58888A (en) | 1988-08-12 |
Family
ID=19841383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK588/88A HK58888A (en) | 1983-02-09 | 1988-08-04 | Optically readable disc |
Country Status (9)
Country | Link |
---|---|
US (1) | US4899329A (pl) |
EP (1) | EP0117576B1 (pl) |
JP (1) | JPS59138030U (pl) |
KR (1) | KR920005447B1 (pl) |
CA (1) | CA1211558A (pl) |
DE (1) | DE3462293D1 (pl) |
ES (1) | ES285581Y (pl) |
HK (1) | HK58888A (pl) |
NL (1) | NL8300479A (pl) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5216664A (en) * | 1983-02-09 | 1993-06-01 | U.S. Philips Corporation | Optically readable disc with a centering member fixed to a transparent substrate |
JPS6085724U (ja) * | 1983-11-17 | 1985-06-13 | シャープ株式会社 | 光メモリ円板 |
EP0192244B1 (en) * | 1985-02-18 | 1990-06-13 | Hitachi Maxell Ltd. | An optical disc |
JPS6252740A (ja) * | 1985-09-02 | 1987-03-07 | Canon Inc | 光学的記録媒体 |
JPH0521757Y2 (pl) * | 1985-11-01 | 1993-06-03 | ||
JPS62192945A (ja) * | 1986-02-20 | 1987-08-24 | Sony Corp | 情報デイスク |
NL8601330A (nl) * | 1986-05-26 | 1987-12-16 | Philips Nv | Werkwijze voor het vervaardigen van een optisch uitleesbare plaat, alsmede plaat vervaardigd volgens de werkwijze. |
JPH0680550B2 (ja) * | 1991-06-05 | 1994-10-12 | ソニー株式会社 | 情報ディスク用ターンテーブル |
DE4421034A1 (de) * | 1994-06-16 | 1995-12-21 | Ibm | Rotierbare Platte zur Speicherung von Information |
DE10064806A1 (de) * | 2000-12-22 | 2002-07-18 | Schott Glas | Festplattensubstrat mit Spindel |
JP5134285B2 (ja) * | 2007-05-18 | 2013-01-30 | 株式会社日立エルジーデータストレージ | 光ディスク体 |
KR20110078844A (ko) * | 2009-12-31 | 2011-07-07 | 사단법인 한국전자정보통신산업진흥회 | 투과형 광디스크 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3304527A (en) * | 1965-04-26 | 1967-02-14 | Ibm | Magnetic holding and aligning device |
US3430966A (en) * | 1967-04-03 | 1969-03-04 | Gauss Electrophysics Inc | Transparent recording disc |
US3815146A (en) * | 1973-04-09 | 1974-06-04 | Teletype Corp | Record-turntable assembly and method of making |
JPS53130156A (en) * | 1977-04-21 | 1978-11-13 | Iseki Agricult Mach | Grainnbag holder |
DE2821297C3 (de) * | 1978-05-16 | 1981-09-17 | Teldec Telefunken-Decca-Schallplatten Gmbh, 2000 Hamburg | Verfahren zur Herstellung eines plattenförmigen Informationsträgers |
FR2437668A1 (fr) * | 1978-09-29 | 1980-04-25 | Thomson Csf | Disque optique protege |
FR2477750A1 (fr) * | 1980-03-07 | 1981-09-11 | Thomson Csf | Cassette pour disque optique |
JPS56137555A (en) * | 1980-03-27 | 1981-10-27 | Sony Corp | Optical disc cassette and disc driving method |
JPS5756332U (pl) * | 1980-09-17 | 1982-04-02 | ||
DE3170951D1 (en) * | 1980-11-03 | 1985-07-18 | Philips Corp | Optical disc cartridge |
US4365258A (en) * | 1981-05-18 | 1982-12-21 | Eastman Kodak Company | Optical disc unit, fabrication method and cooperating write and/or read apparatus |
JPS58130451A (ja) * | 1982-01-29 | 1983-08-03 | Toshiba Corp | 情報記憶媒体 |
US4477894A (en) * | 1982-08-10 | 1984-10-16 | Rca Corporation | Protective cartridge for disc record |
NL8300478A (nl) * | 1983-02-09 | 1984-09-03 | Philips Nv | Optisch uitleesbare geheugenschijf. |
-
1983
- 1983-02-09 NL NL8300479A patent/NL8300479A/nl not_active Application Discontinuation
- 1983-05-02 US US06/490,801 patent/US4899329A/en not_active Expired - Fee Related
-
1984
- 1984-02-02 CA CA000446584A patent/CA1211558A/en not_active Expired
- 1984-02-03 DE DE8484200146T patent/DE3462293D1/de not_active Expired
- 1984-02-03 EP EP84200146A patent/EP0117576B1/en not_active Expired
- 1984-02-06 ES ES1984285581U patent/ES285581Y/es not_active Expired
- 1984-02-06 JP JP1984014199U patent/JPS59138030U/ja active Granted
- 1984-02-06 KR KR1019840000542A patent/KR920005447B1/ko not_active IP Right Cessation
-
1988
- 1988-08-04 HK HK588/88A patent/HK58888A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
KR840008875A (ko) | 1984-12-19 |
ES285581Y (es) | 1986-05-01 |
JPS59138030U (ja) | 1984-09-14 |
ES285581U (es) | 1985-10-01 |
US4899329A (en) | 1990-02-06 |
EP0117576B1 (en) | 1987-01-28 |
DE3462293D1 (en) | 1987-03-05 |
EP0117576A1 (en) | 1984-09-05 |
CA1211558A (en) | 1986-09-16 |
NL8300479A (nl) | 1984-09-03 |
JPH0333938Y2 (pl) | 1991-07-18 |
KR920005447B1 (ko) | 1992-07-04 |
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