IP Library Granted Patent US 8,254,225
Granted Patent B2
US 8,254,225 · App. 13/326,578 · Granted Aug 28, 2012

Method of writing data to a disc, disc drive

Assignee: Lite-On It Corporation
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Quick Facts
Patent No.
US 8,254,225
App. No.
13/326,578
Granted
Aug 28, 2012
Kind
B2
Abstract

The invention relates to a method of writing data to a disc (OD). The method comprised: a) performing a plurality of writing actions in which a plurality of data portions are written to the disc, b) performing a plurality of verification actions in which written data portions are at least partly verified and at least part of the data portions are replaced if needed. The method further comprises a2) performing a decision action for each writing action in which a decision whether or not to perform the verification action for a specific written data portion is taken.

Claims (10)

1. Method of writing data to a disc, the method comprising:

a) performing a plurality of writing actions in which a plurality of data portions are written to the disc,

b) performing a plurality of verification actions in which written data portions are at least partly verified and at least part of the written data portions are replaced if needed, wherein the verification action for the written data portion is not performed if the verification action was already performed for a previously written data portion for a same zone as the written data portion within a predetermined time interval from performing the write action for the written data portion,

wherein the method further comprises

a2) performing a decision action for each writing action in which a decision whether or not to perform the verification action for a specific written data portion is taken.

2. Disc drive arranged to receive a disc, the disc drive comprising an optical pick-up unit, arranged to generate a beam to be scanned over the surface of the disc to read data from or write data to the disc, the disc drive arranged to

a) perform a plurality of writing actions in which a plurality of data portions are written to the disc,

b) perform a plurality of verification actions in which written data portions are at least partly verified and at least part of the data portions are replaced if needed, wherein the verification action for the written data portion is not performed if the verification action was already performed for a previously written data portion for a same zone as the written data portion within a predetermined time interval from performing the write action for the written data portion,

wherein the disc drive further is arranged to

a2) perform a decision action for each writing action in which a decision whether or not to perform the verification action for a specific written data portion is taken.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 14, 2014
From: LITE-ON IT CORP.
To: LITE-ON TECHNOLOGY CORPORATION
Reel/Frame 032892/0554 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 2, 2012
From: CAS, MARC ANGELINE JOZEF; CLAAS, JOHANNES FRANCISCUS PETRUS; GEUSENS, STEFAN
To: PHILIPS & LITE-ON DIGITAL SOLUTIONS CORP.
Reel/Frame 027796/0784 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 2, 2012
From: PHILIPS & LITE-ON DIGITAL SOLUTIONS CORP.
To: LITE-ON IT CORPORATION
Reel/Frame 027796/0970 →
Continuity (2)
Division 12165117 · Jun 30, 2008
Related Publication 20120087223A1 · Apr 12, 2012