Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612728 | Full color TFEL edge emitter printing system | Zoltan K. Kun, David Leksell, Gerald J. Faychak | 1997-03-18 |
| 5325207 | Facsimile machine using thin film electroluminescent device for spot scanning | David Leksell, Zoltan K. Kun | 1994-06-28 |
| 5227696 | Power saver circuit for TFEL edge emitter device | — | 1993-07-13 |
| 5138347 | Thin film electroluminescent edge emitter structure with optical lens and multi-color light emission systems | Zoltan K. Kun, David Leksell, Robert Mazelsky | 1992-08-11 |
| 5126727 | Power saving drive circuit for TFEL devices | — | 1992-06-30 |
| 5118987 | Multi-layer structure and method of constructing the same for providing TFEL edge emitter modules | David Leksell, Zoltan K. Kun, William A. Barrow, Carl W. Laakso | 1992-06-02 |
| 5043632 | TFEL edge emitter structure with uniform light emission filter | David Leksell | 1991-08-27 |
| 5043715 | Thin film electroluminescent edge emitter structure with optical lens and multi-color light emission systems | Zoltan K. Kun, David Leksell, Robert Mazelsky | 1991-08-27 |
| 5032795 | Defect position locator for cable insulation monitoring | Gergory D. Matthews, Michael E. Golbaugh | 1991-07-16 |
| 5025321 | Facsimile machine using thin film electroluminescent device | David Leksell, Zoltan K. Kun | 1991-06-18 |
| 5015959 | Sense wire signal enhancements for insulation defect detection | Gregory Dale Matthews | 1991-05-14 |
| 4950957 | Extended ion sources and method for using them in an insulation defect detector | Peter J. Chantry | 1990-08-21 |
| 4947160 | Multiplexed thin film electroluminescent edge emitter structure and electronic drive system therefor | David Leksell | 1990-08-07 |
| 4931684 | Digitally scanned extended electron source in vacuum | Michael Edward Colbaugh | 1990-06-05 |
| 4899044 | Optically coupled remote sensor apparatus and system | J. Richard Hansen, Robert M. Oates | 1990-02-06 |
| 4899184 | Multiplexed thin film electroluminescent edge emitter structure and electronic drive system therefrom | David Leksell | 1990-02-06 |
| 4891597 | Synchronous detection and location of insulation defects | — | 1990-01-02 |
| 4698497 | Direct current magneto-optic current transformer | Robert C. Miller | 1987-10-06 |
| 4694243 | Optical measurement using polarized and unpolarized light | Robert C. Miller | 1987-09-15 |
| 4683421 | Drift compensation technique for a magneto-optic current sensor | Robert C. Miller | 1987-07-28 |
| 4613811 | Faraday current sensor with fiber optic compensated by temperature, degradation, and linearity | Eugene G. Vaerewyck, Cheng-Lin Chen | 1986-09-23 |
| 4612500 | Temperature stabilized Faraday rotator current sensor by thermal mechanical means | Cheng-Lin Chen, Eugene G. Vaerewyck | 1986-09-16 |
| 4540937 | Electronic circuitry with self-calibrating feedback for use with an optical current sensor | — | 1985-09-10 |