Inventor
Robert T. Flegal
Inventor
Beaverton, OR, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information63%
G01RMeasuring electric variables13%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
4,982,183'Alternate polarity symmetric drive for scanning electrodes in a split-screen AC TFEL display device'19914,853,627'Wafer probes'19894,797,667'Split screen electrode structure for TFEL panel'19894,739,320'Energy-efficient split-electrode TFEL panel'19884,733,228'Transformer-coupled drive network for a TFEL panel'19884,691,144'Staggered refresh pulse generator for a TFEL panel'19874,510,461'Phase lock loop having switchable filters and oscillators'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985Patents assigned to TEKTRONIX INC (1)· patent assignee history
1985–1991Based in Beaverton, OR, US· patent location history
1987–1991Patents assigned to PLANAR SYSTEMS INC (5)· patent assignee history
1989Patents assigned to TRIQUINT SEMICONDUCTOR INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PLANAR SYSTEMS INC | 5 | 1987–1991 |
| TEKTRONIX INC | 1 | 1985 |
| TRIQUINT SEMICONDUCTOR INC | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beaverton, OR, US | 7 | 1985–1991 |