Chan; Yi-Chung

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chan; Yi-Chung.The latest application filed is for "discrimination method of optical storage medium".

Company Profile

0.10.13

Chan; Yi-Chung - Hsin-Tien City Taipei Hsien TW
Chan; Yi-Chung - Taipei TW
Chan; Yi-Chung - Taipei Hsien TW
Chan, Yi-Chung - Shindian City TW
Chan, Yi-Chung - Taipei City TW

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Discrimination method of optical storage medium Grant 7,843,786 - Chan November 30, 2	2010-11-30
Method and device for detecting the signal on a disc having a defect by utilizing an RF signal and its derivatives Grant 7,301,871 - Lai , et al. November 27, 2	2007-11-27
Method and apparatus for long seeking control of pickup head Grant 7,106,670 - Chan , et al. September 12, 2	2006-09-12
Discrimination method of optical storage medium App 20060198268 - Chan; Yi-Chung	2006-09-07
Method and related apparatus for controlling calibration of a stepping motor Grant 7,061,203 - Chan , et al. June 13, 2	2006-06-13
Process for computing eccentric amount of disk upon rotating Grant 7,046,602 - Chan May 16, 2	2006-05-16
Method and device for detecting the signal on a defect disc App 20050195717 - Lai, Yi-Lin ; et al.	2005-09-08
Method And Related Apparatus For Controlling Calibration Of A Stepping Motor App 20040189236 - Chan, Yi-Chung ; et al.	2004-09-30
Method for reducing the turn-back of the track-seeking control in an optical storage device and apparatus thereof Grant 6,757,226 - Chan June 29, 2	2004-06-29
Discrimination method of optical storage medium App 20040081049 - Chan, Yi-Chung	2004-04-29
Method and device of determining the slice level of the radio frequency ripple signal in an optical storage device Grant 6,728,184 - Chan April 27, 2	2004-04-27
Method for deciding the direction of pick-up head of disk driver while crossing tracks Grant 6,680,881 - Chan , et al. January 20, 2	2004-01-20
Long seeking method used in an optical disk drive Grant 6,606,283 - Chan August 12, 2	2003-08-12
Method and apparatus for long seeking control of pickup head App 20030099166 - Chan, Yi-Chung ; et al.	2003-05-29
Process for computing eccentric amount of disk upon rotating App 20030099175 - Chan, Yi-Chung	2003-05-29
Method for deciding the direction of pick-up head of disk driver while crossing tracks App 20030043700 - Chan, Yi-Chung ; et al.	2003-03-06
Long seeking method used in an optical disk drive App 20030031097 - Chan, Yi-Chung	2003-02-13
Bandwidth control circuit and method for track-crossing signals used in optical storage drive App 20030002403 - Chan, Yi-Chung	2003-01-02
Method for track locking in an optical disc drive App 20020136105 - Chan, Yi-Chung	2002-09-26
Method and apparatus applied in an optical storage device for estimating radial speed of disc Grant 6,452,883 - Chan September 17, 2	2002-09-17
Method and apparatus applied in an optical storage device for estimating radial speed of disc App 20010019525 - Chan, Yi-Chung	2001-09-06
Method for reducing the turn-back of the track-seeking control in an optical storage device and apparatus thereof App 20010010669 - Chan, Yi-Chung	2001-08-02
Method and device of determining the slice level of the radio frequency ripple signal in an optical storage device App 20010010673 - Chan, Yi-Chung	2001-08-02

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