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BRPI0418819A - método e aparelho para determinar o tipo de um disco digital versátil - Google Patents

método e aparelho para determinar o tipo de um disco digital versátil

Info

Publication number
BRPI0418819A
BRPI0418819A BRPI0418819-5A BRPI0418819A BRPI0418819A BR PI0418819 A BRPI0418819 A BR PI0418819A BR PI0418819 A BRPI0418819 A BR PI0418819A BR PI0418819 A BRPI0418819 A BR PI0418819A
Authority
BR
Brazil
Prior art keywords
digital disc
type
versatile digital
determining
oscillation signal
Prior art date
Application number
BRPI0418819-5A
Other languages
English (en)
Inventor
Ricky Chang
Allen Lu
Original Assignee
Via Tech Inc
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
Priority claimed from CNB200410088448XA external-priority patent/CN1312690C/zh
Application filed by Via Tech Inc filed Critical Via Tech Inc
Publication of BRPI0418819A publication Critical patent/BRPI0418819A/pt

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G11B19/125—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of carrier data format

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Rotational Drive Of Disk (AREA)
  • Automatic Disk Changers (AREA)

Abstract

Método e aparelho para determinar o tipo de um disco digital versátil. O presente invento descreve um método e um aparelho para determinar o tipo de um disco digital versátil (DVDs). O método inclui configurar parâmetros relativos, obter um sinal de oscilação a partir de um DVD, configurar um fator de divisão de freqüência, e dividir a freqüência do sinal de oscilação pelo fator de divisão de freqüência. Então, o tempo exigido para o disco digital versátil girar uma volta acionado pelo motor de um tocador, é configurado como unidade de tempo para calcular a freqüência do sinal de oscilação dividido. Finalmente, o tipo de disco digital versátil é determinado de acordo com a freqüência do sinal de oscilação.
BRPI0418819-5A 2004-05-25 2004-12-03 método e aparelho para determinar o tipo de um disco digital versátil BRPI0418819A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US57466504P 2004-05-25 2004-05-25
CNB200410088448XA CN1312690C (zh) 2004-05-25 2004-10-29 数字多功能光盘种类判断方法与装置
PCT/CN2004/001409 WO2005117008A1 (fr) 2004-05-25 2004-12-03 Procede et dispositif pour determiner le type de disques numeriques universels

Publications (1)

Publication Number Publication Date
BRPI0418819A true BRPI0418819A (pt) 2007-11-13

Family

ID=35451101

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0418819-5A BRPI0418819A (pt) 2004-05-25 2004-12-03 método e aparelho para determinar o tipo de um disco digital versátil

Country Status (2)

Country Link
BR (1) BRPI0418819A (pt)
WO (1) WO2005117008A1 (pt)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7570561B2 (en) 2004-05-25 2009-08-04 Bryan Tai Method for determining type of digital versatile discs
US7746745B2 (en) 2004-05-25 2010-06-29 Ricky Chang Method for determining the type of digital versatile disc
US7843786B2 (en) 2002-10-24 2010-11-30 Yi-Chung Chan Discrimination method of optical storage medium
US7995434B2 (en) 2003-10-31 2011-08-09 Tian Holdings, Llc Method and apparatus for generating absolute time in pregroove data

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI316702B (en) 2003-09-15 2009-11-01 Tian Holdings Llc Discriminating method of an optical disc device for ascertaining the format of an loaded optical disc
US7626907B2 (en) 2004-05-25 2009-12-01 Ricky Chang Method and apparatus for determining type of digital versatile disc

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4491943B2 (ja) * 2000-09-22 2010-06-30 ソニー株式会社 光ディスクドライブおよび光ディスク判別方法
JP2003016641A (ja) * 2001-06-28 2003-01-17 Matsushita Electric Ind Co Ltd 光ディスク装置及び光ディスク判別方法
TNSN03009A1 (en) * 2001-07-02 2005-04-08 Koninkl Philips Electronics Nv Record carrier and apparatus for scanning the record carrier
JP2003078392A (ja) * 2001-09-04 2003-03-14 Sony Corp 自動追従型バンドパスフィルタおよび光ディスク再生装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7843786B2 (en) 2002-10-24 2010-11-30 Yi-Chung Chan Discrimination method of optical storage medium
US7995434B2 (en) 2003-10-31 2011-08-09 Tian Holdings, Llc Method and apparatus for generating absolute time in pregroove data
US7570561B2 (en) 2004-05-25 2009-08-04 Bryan Tai Method for determining type of digital versatile discs
US7746745B2 (en) 2004-05-25 2010-06-29 Ricky Chang Method for determining the type of digital versatile disc

Also Published As

Publication number Publication date
WO2005117008A1 (fr) 2005-12-08
WO2005117008A8 (fr) 2006-11-23

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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 AS 4A, 5A, 6A E 7A ANUIDADES.

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 2158 DE 15/05/2012.