IT247679Y1 - Perfezionato disco ottico compatto, o cd. - Google Patents

Perfezionato disco ottico compatto, o cd.

Info

Publication number
IT247679Y1
IT247679Y1 IT1999RM000248U ITRM990248U IT247679Y1 IT 247679 Y1 IT247679 Y1 IT 247679Y1 IT 1999RM000248 U IT1999RM000248 U IT 1999RM000248U IT RM990248 U ITRM990248 U IT RM990248U IT 247679 Y1 IT247679 Y1 IT 247679Y1
Authority
IT
Italy
Prior art keywords
perfected
optical disc
compact optical
compact
disc
Prior art date
Application number
IT1999RM000248U
Other languages
English (en)
Original Assignee
Atop Innovation Spa
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 Atop Innovation Spa filed Critical Atop Innovation Spa
Priority to IT1999RM000248U priority Critical patent/IT247679Y1/it
Publication of ITRM990248V0 publication Critical patent/ITRM990248V0/it
Priority to US09/615,559 priority patent/US6570838B1/en
Publication of ITRM990248U1 publication Critical patent/ITRM990248U1/it
Application granted granted Critical
Publication of IT247679Y1 publication Critical patent/IT247679Y1/it

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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
IT1999RM000248U 1999-11-29 1999-11-29 Perfezionato disco ottico compatto, o cd. IT247679Y1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT1999RM000248U IT247679Y1 (it) 1999-11-29 1999-11-29 Perfezionato disco ottico compatto, o cd.
US09/615,559 US6570838B1 (en) 1999-11-29 2000-07-13 Optical compact disc with an increased memory capacity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999RM000248U IT247679Y1 (it) 1999-11-29 1999-11-29 Perfezionato disco ottico compatto, o cd.

Publications (3)

Publication Number Publication Date
ITRM990248V0 ITRM990248V0 (it) 1999-11-29
ITRM990248U1 ITRM990248U1 (it) 2001-05-29
IT247679Y1 true IT247679Y1 (it) 2002-09-09

Family

ID=11406709

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999RM000248U IT247679Y1 (it) 1999-11-29 1999-11-29 Perfezionato disco ottico compatto, o cd.

Country Status (2)

Country Link
US (1) US6570838B1 (it)
IT (1) IT247679Y1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100782804B1 (ko) * 2001-07-05 2007-12-06 삼성전자주식회사 고밀도 디스크
KR100455381B1 (ko) * 2002-02-28 2004-11-06 삼성전자주식회사 Ｏｄｄ 제품의 성능을 향상시키기 위한 디스크 및 그 제조방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3060460B2 (ja) 1989-05-15 2000-07-10 ソニー株式会社 デイスク、デイスク記録装置及びデイスク記録再生装置
JP2693289B2 (ja) 1991-08-09 1997-12-24 シャープ株式会社 光メモリ
JPH07130092A (ja) * 1993-11-05 1995-05-19 Sony Corp ディスク記録装置、ディスク再生装置およびディスク状記録媒体
JP3547175B2 (ja) * 1994-07-28 2004-07-28 ティアック株式会社 光ディスク再生装置
TW286386B (en) * 1995-04-28 1996-09-21 Philips Electronics Nv Device for reading and/or recording information on a disc-shaped information carrier
JP3063598B2 (ja) * 1995-12-01 2000-07-12 三菱電機株式会社 光ディスクおよび光ディスク装置
JPH10302320A (ja) 1997-04-25 1998-11-13 Sanyo Electric Co Ltd 記録媒体および光ピックアップ装置
JPH11238245A (ja) * 1998-02-24 1999-08-31 Sony Corp 光検出信号処理装置

Also Published As

Publication number Publication date
ITRM990248U1 (it) 2001-05-29
US6570838B1 (en) 2003-05-27
ITRM990248V0 (it) 1999-11-29

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