Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081935 | Multiple-mode modulator to process baseband signals | Paul Cheng-Po Liang, Koji Takinami | 2011-12-20 |
| 5534768 | Regulated power supply having wide input AC/DC voltage range | Theodore E. Chavannes | 1996-07-09 |
| 5528661 | Diagnostic mechanism for monitoring operational status of remote monitoring and test unit which controllably test and conditions subscriber line circuits | Edward K. W. Siu, James Jollota, Alex Knight | 1996-06-18 |
| 5521959 | Programmable source for supplying controllably variable AC/DC voltage output for telephone line measurement apparatus | Alex Knight, Joseph E. Barron | 1996-05-28 |
| 5440251 | Phase differential measurement circuit | Alex Knight | 1995-08-08 |
| 5144252 | Method and apparatus for transducer measurements on a metallic pair | Edward K. W. Siu | 1992-09-01 |
| 4629836 | Method and apparatus for accessing communication systems | — | 1986-12-16 |