Inventor
Rudolf A. Van Doorn
Inventor
Eindhoven, NL
Overview
Patents· 7 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 transducer30%
H04LTransmission of digital information, e.g. telegraphic communication30%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%
H03DDemodulation or transference of modulation from one carrier to another10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
5,455,717'Recording device with temperature-dependent write-current control'19955,408,365'Recording device with temperature-dependent write current control'19955,217,819'Method of manufacturing a thin-film magnetic head and magnetic head'19934,292,593'Method of demodulating a quadphase coded data signal and receiver for carrying out the method'19814,276,650'Method of synchronizing a quadphase receiver and clock synchronization device for carrying out the method'19814,130,806'Filter and demodulation arrangement'19783,938,131'Energizing circuit for a visual display element'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1995Patents assigned to PHILIPS CORP (7)· patent assignee history
1976–1995Based in Eindhoven, NL· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILIPS CORP | 7 | 1976–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Eindhoven, NL | 7 | 1976–1995 |