Inventor
David R. Street
Inventor
Oklahoma City, OK, US
Overview
Patents· 11 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 transducer47%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters33%
G01RMeasuring electric variables7%
H03KPulse technique7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
9,893,659'Configuration, frequency registers generating power from motor in supply-loss event'20188,237,385'Systems and methods for detecting position for a brushless DC motor'20127,888,965'Defining a default configuration for configurable circuitry in an integrated circuit'20117,432,677'Closed-loop rotational control of a brushless dc motor'20087,197,410'Predicting loss of frequency lock between a motor control circuit and a motor'20077,062,160'Monitoring current in a motor during acceleration to verify motor frequency lock'20066,876,510'Detecting head landings on a data zone of a data storage disc'20056,664,749'Spindle motor initialization after a control processor reset condition in a disc drive'20036,577,088'Closed loop spindle motor acceleration control in a disc drive'20036,316,988'Voltage margin testing using an embedded programmable voltage source'20016,266,203'Integrated temperature sense circuit in a disc drive'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2008Patents assigned to SEAGATE TECHNOLOGY LLC (8)· patent assignee history
2001–2006Based in Oklahoma City, OK, US· patent location history
2007–2012Based in Allen, TX, US· patent location history
2011–2018Patents assigned to TEXAS INSTRUMENTS INC (3)· patent assignee history
2012Patents assigned to STREET DAVID RAY (1)· patent assignee history
2018Based in Longmont, CO, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEAGATE TECHNOLOGY LLC | 8 | 2001–2008 |
| TEXAS INSTRUMENTS INC | 3 | 2011–2018 |
| STREET DAVID RAYself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oklahoma City, OK, US | 6 | 2001–2006 |
| Allen, Texas, US | 4 | 2007–2012 |
| Longmont, CO, US | 1 | 2018 |