Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7239493 | Method for preventing the generation of excessive high voltage | Angela Burnett, Michael Maiorano, Charles Hardinge | 2007-07-03 |
| 7030575 | Deflection supply voltage feedback control in conjunction with frequency change | Snehali Choksi, Robert Gries, Kevin M. Williams, Robert Watson | 2006-04-18 |
| 6847404 | Video display protection circuit | Dal Frank Griepentrog | 2005-01-25 |
| 6661188 | Cathode ray tube filament voltage control with a multifrequency deflection scanner | — | 2003-12-09 |
| 6282071 | Frequency dependent X-ray protection for a multimedia monitor | — | 2001-08-28 |
| 5982641 | High-voltage power supply for video display apparatus | — | 1999-11-09 |
| 5475286 | Deflection waveform correction circuit | Kenneth Jay Helfrich | 1995-12-12 |
| 5355058 | Horizontal deflection waveform correction circuit | Joseph C. Stephens | 1994-10-11 |
| 5323092 | Deflection waveform correction circuit | Kenneth Jay Helfrich, Joseph C. Stephens | 1994-06-21 |
| 5118999 | Focus coil current generator for a cathode ray tube | Leroy W. Nero | 1992-06-02 |