CW

Charles R. Watt

DA Dphi Acquisitions: 21 patents #2 of 28Top 8%
📍 Shrewsbury, MA: #1 of 81 inventorsTop 2%
🗺 Massachusetts: #2 of 6,037 inventorsTop 1%
Overall (2005): #141 of 245,428Top 1%
21
Patents 2005

Issued Patents 2005

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
6977873 System and method to adjust the level of re-calibration effort based on disc drive performance Christopher J. Turner, Ron J. Kadlec, Hans Brandon Wach 2005-12-20
6970410 Focus detection in a digital focus servo system Ron J. Kadlec 2005-11-29
6970403 Calibration of tracking error signal offset in a tracking servo system Ron J. Kadlec, Hans Brandon Wach 2005-11-29
6963524 System and method for controlling interrupts in a control system for an optical disc drive Christopher J. Turner, Ron J. Kadlec 2005-11-08
6958957 Digital tracking and focus servo system with TES to FES crosstalk calibration Ron J. Kadlec, Hans Brandon Wach 2005-10-25
6958963 System and method for handling events in an optical disc drive Christopher J. Turner, Ron J. Kadlec, Hans Brandon Wach 2005-10-25
6950380 Detector input dark current offset calibration in an optical disk drive digital servo Ron J. Kadlec, Christopher J. Turner 2005-09-27
6937543 Digital focus servo system with a sliding notch filter Ron J. Kadlec 2005-08-30
6930963 Tracking and focus servo system with head load Ron J. Kadlec, Christopher J. Turner, Hans Brandon Wach 2005-08-16
6922380 Tracking and focus servo system with anti-skate algorithm Ron J. Kadlec 2005-07-26
6906985 Calibration of tracking error signal gain in a tracking servo system Ron J. Kadlec, Hans Brandon Wach, Christopher J. Turner 2005-06-14
6904007 Digital servo system with loop gain calibration Ron J. Kadlec, Hans Brandon Wach 2005-06-07
6901040 Kp and Ki lookup system and method Christopher J. Turner 2005-05-31
6898170 PMAD/PSA digital feedback system Christopher J. Turner 2005-05-24
6891781 Digital servo system with second order compensator Ron J. Kadlec 2005-05-10
6891789 Tracking and focus servo system with automatic media type detector Christopher J. Turner, Ron J. Kadlec 2005-05-10
6885619 Detector input stray light offset calibration in an optical disk drive 2005-04-26
6885620 System and method for recovering from performance errors in an optical disc drive Christopher J. Turner, Ron J. Kadlec 2005-04-26
6882601 Digital servo system with feed-forward control loops Ron J. Kadlec, Hans Brandon Wach 2005-04-19
6876609 System and method for controlling a spin motor Christopher J. Turner 2005-04-05
6847597 Optical disk drive with a digital focus and tracking servo system Ron J. Kadlec, Christopher J. Turner, Hans Brandon Wach 2005-01-25