Inventor
Delbert A. Hansen
Inventor
Tucson, AZ, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer100%
PatentTitleYear
5,912,874'Calibrating an optical detector to minimize noise from undesired perturbations in disk surface'19995,777,962'Calibrating an optical detector to minimize noise from undesired perturbations in disk surfaces'19985,627,818'Optical disk with marks used for calibrating an optical detector to minimize noise from undesired perturbations in disk surfaces'19975,553,054'Coarse position sensor, and method for locating same, in an optical disk drive'19965,367,513'Focus and tracking servo decoupling system'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1999Patents assigned to IBM (5)· patent assignee history
1994–1999Based in Tucson, AZ, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 5 | 1994–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tucson, AZ, US | 5 | 1994–1999 |