Invention Grant
US08264929B2 Optical medium recognition system and method with an optical drive having plural lasers
有权
具有多个激光器的光驱的光学介质识别系统和方法
- Patent Title: Optical medium recognition system and method with an optical drive having plural lasers
- Patent Title (中): 具有多个激光器的光驱的光学介质识别系统和方法
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Application No.: US10722712Application Date: 2003-11-25
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Publication No.: US08264929B2Publication Date: 2012-09-11
- Inventor: Dirk Erickson , Ed Beeman , Thomas L. Pratt , Christiaan Steenbergen , Charles Robert Weirauch
- Applicant: Dirk Erickson , Ed Beeman , Thomas L. Pratt , Christiaan Steenbergen , Charles Robert Weirauch
- Applicant Address: US TX Round Rock
- Assignee: Dell Products L.P.
- Current Assignee: Dell Products L.P.
- Current Assignee Address: US TX Round Rock
- Agency: Hamilton & Terrile, LLP
- Agent Robert W. Holland
- Main IPC: G11B7/00
- IPC: G11B7/00 ; G11B7/24

Abstract:
An optical medium associated with a first type of optical drive laser, such as a blue laser, embeds identification information readable by a second type of optical drive laser, such as a red laser associated with DVD media or an IR laser associated with CD media, in order to reduce the time used by the optical drive to recognize media. An attempt to read the embedded identification information by the second laser that succeeds provides the optical drive with the information to proceed with use of the optical medium using the first laser. An attempt to read the embedded identification information that fails provides the optical drive with the opportunity to detect whether the optical medium is associated with the second laser so that a single spindle kick of the optical medium by the optical drive determines whether the optical medium is associated with either of two types of lasers.
Public/Granted literature
- US20050111327A1 Optical medium recognition system and method Public/Granted day:2005-05-26
Information query
IPC分类: