The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 23, 2002
Filed:
Sep. 22, 2000
Shigeki Okazaki, Sayama, JP;
Yam Fei Lian, Singapore, SG;
Yew Teng Too, Singapore, SG;
Bin Chye Lim, Singapore, SG;
Creative Technology LTD, Singapore, SG;
Abstract
In a CD drive , a tracking subsystem comprising tracking detector , a control processor and tracking actuator assembly , is coupled to photodiodes A-F, to have the lens assembly track a data track on a disc . A vibration detector subsystem comprising a vibration detector , the control processor , and the speed setting function , is also coupled to photodiodes A-F, and the vibration detector subsystem disables the tracking subsystem and detects vibration of the lens assembly at a resonant speed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile