BR0206455A - Método e dispositivo de gravação de portador de gravação - Google Patents

Método e dispositivo de gravação de portador de gravação

Info

Publication number
BR0206455A
BR0206455A BR0206455-3A BR0206455A BR0206455A BR 0206455 A BR0206455 A BR 0206455A BR 0206455 A BR0206455 A BR 0206455A BR 0206455 A BR0206455 A BR 0206455A
Authority
BR
Brazil
Prior art keywords
recording
intensity level
mark
carrier
period
Prior art date
Application number
BR0206455-3A
Other languages
English (en)
Inventor
Johannes Hendrikus Mari Spruit
Johannes Josephus Leon Vlerken
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of BR0206455A publication Critical patent/BR0206455A/pt

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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • 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
    • G11B7/0045—Recording
    • G11B7/00456—Recording strategies, e.g. pulse sequences
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

"MéTODO E DISPOSITIVO DE GRAVAçãO DE PORTADOR DE GRAVAçãO". A invenção refere-se a um método de gravação de portador de gravação óptica para formar marcas e ressaltos pela irradiação de um feixe de irradiação sobre uma superfície de gravação de um portador de gravação óptica, o feixe de irradiação para cada marca a ser gravada sendo ajustado para pelo menos um nível de intensidade de gravação (P~ w~) capaz de formar uma marca durante um período de marca (31) e para cada ressalto entre as marcas para pelo menos um nível de intensidade de fundo (P~ 0~) incapaz de formar uma marca durante um período de ressalto (32). A invenção refere-se também a um dispositivo de gravação para executar um tal método. Quando gravando um sinal oscilante sobre o portador de gravação, de modo a obter uma melhor relação sinal oscilante para ruído durante a gravação, é proposto, de acordo com a invenção, que o nível de intensidade de fundo (P~ 0~) seja temporariamente elevado para um nível de intensidade intermediário (P~ i~) durante um período intermediário (34). De preferência, o mencionado nível de intensidade intermediário (P~ i~) é ajustado dentro de uma faixa entre 1,5 e 6, em particular entre 2 e 4 vezes o nível de intensidade de fundo (P~ 0~).
BR0206455-3A 2001-11-15 2002-10-18 Método e dispositivo de gravação de portador de gravação BR0206455A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01204361 2001-11-15
PCT/IB2002/004339 WO2003042986A2 (en) 2001-11-15 2002-10-18 Optical record carrier recording method and recording apparatus

Publications (1)

Publication Number Publication Date
BR0206455A true BR0206455A (pt) 2004-01-13

Family

ID=8181240

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0206455-3A BR0206455A (pt) 2001-11-15 2002-10-18 Método e dispositivo de gravação de portador de gravação

Country Status (12)

Country Link
US (1) US7330415B2 (pt)
EP (1) EP1449208A2 (pt)
JP (2) JP2005509993A (pt)
KR (1) KR20040062630A (pt)
CN (1) CN1585974A (pt)
AR (1) AR037372A1 (pt)
BR (1) BR0206455A (pt)
MX (1) MXPA04004646A (pt)
MY (1) MY129692A (pt)
RU (1) RU2326452C2 (pt)
TW (1) TWI242767B (pt)
WO (1) WO2003042986A2 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ560844A (en) * 2005-03-08 2008-08-29 Pharmacia & Upjohn Co Llc Anti-MAdCAM antibody compositions
EP2569769B1 (en) * 2010-05-11 2014-04-16 Thomson Licensing Method applying a pulsed laser beam for reading of an optical disc and respective apparatus
US20190282147A1 (en) 2018-03-16 2019-09-19 Thomas J. Shaw Blood Collection Tube Holder with Single Needle

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63279431A (ja) * 1987-05-09 1988-11-16 Sony Corp 情報記録方法
US5642343A (en) * 1990-06-29 1997-06-24 Hitachi, Ltd. Magnetooptic disc apparatus and recording medium
JP3266971B2 (ja) * 1992-03-23 2002-03-18 松下電器産業株式会社 光学情報の記録方法
US5602806A (en) * 1995-06-28 1997-02-11 International Business Machines Corporation Magneto-optical recording device capable of reducing thermal interference between recording pits
JPH0935269A (ja) 1995-07-19 1997-02-07 Mitsubishi Chem Corp 光学的情報記録媒体の記録方法
JP2981645B2 (ja) * 1995-09-19 1999-11-22 富士通株式会社 光磁気記録方法
US5715228A (en) * 1995-11-24 1998-02-03 Sony Corporation Optical recording apparatus
JP3022770B2 (ja) * 1996-04-16 2000-03-21 三菱化学株式会社 光記録方法、装置及び光記録媒体
JP3366973B2 (ja) * 1996-10-18 2003-01-14 富士通株式会社 光記録媒体の情報記録方法
ID21808A (id) * 1996-12-20 1999-07-29 Matsushita Electric Ind Co Ltd Metoda rekaman optik dan perekam optik
EP1056077B1 (en) * 1999-05-19 2006-05-10 Mitsubishi Kagaku Media Co., Ltd. Phase change optical recording by divided recording pulses
WO2001022412A1 (fr) * 1999-09-20 2001-03-29 Hitachi, Ltd. Appareil d'enregistrement/reproduction d'information
JP2002008237A (ja) * 2000-06-23 2002-01-11 Fujitsu Ltd 情報記録方法及びその実施に使用する情報記録装置

Also Published As

Publication number Publication date
WO2003042986A2 (en) 2003-05-22
US20040257951A1 (en) 2004-12-23
EP1449208A2 (en) 2004-08-25
MY129692A (en) 2007-04-30
US7330415B2 (en) 2008-02-12
KR20040062630A (ko) 2004-07-07
TWI242767B (en) 2005-11-01
AR037372A1 (es) 2004-11-03
RU2326452C2 (ru) 2008-06-10
RU2004117857A (ru) 2005-03-20
CN1585974A (zh) 2005-02-23
JP2005509993A (ja) 2005-04-14
WO2003042986A3 (en) 2004-06-10
MXPA04004646A (es) 2004-08-12
JP2007335075A (ja) 2007-12-27

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDA DE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2055 DE 25/05/2010.