Inventor
Robert E. Jansen
Inventor
Byron, MN, US
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 transducer14%
H04BTransmission14%
G02BOptical elements, systems or apparatus7%
G04BMechanically-driven clocks or watches7%
G05FSystems for regulating electric or magnetic variables7%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems7%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters7%
H03KPulse technique7%
H03MCoding7%
H04LTransmission of digital information, e.g. telegraphic communication7%
PatentTitleYear
7,205,749'Power line communication using power factor correction circuits'20077,188,995'Tourbillon'20077,162,159'Position demodulation through polarization of the transmitted beam in an optical wireless link'20076,744,034'Micro-electromechanical apparatus and method with position sensor compensation'20046,549,155'Signal conversion using coarse and fine digital to analog converters'20035,287,046'Method and system for actuator control for direct access storage devices'19944,152,736'Magnetic disk file'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1994Patents assigned to IBM (2)· patent assignee history
1979–2007Based in Rochester, MN, US· patent location history
1994–2007Based in Byron, MN, US· patent location history
2003–2007Patents assigned to TEXAS INSTRUMENTS INC (4)· patent assignee history
2007Patents assigned to WTACH U LICENSE AG (1)· patent assignee history
2007Based in Zug, CH· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEXAS INSTRUMENTS INC | 4 | 2003–2007 |
| IBM | 2 | 1979–1994 |
| WTACH U LICENSE AG | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Byron, Minnesota, US | 4 | 1994–2007 |
| Rochester, Minnesota, US | 2 | 1979–2007 |
| Zug, CH | 1 | 2007 |