Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7236508 | Application of complex codes to maximize feeder link utilization | Ying Feria, Donald C. D. Chang, Ming U. Chang | 2007-06-26 |
| 7068733 | Sampling technique for digital beam former | Donald C. D. Chang, Kar W. Yung | 2006-06-27 |
| 6888499 | Signal processing circuit for communicating with a modular mobile terminal and method therefor | Donald C. D. Chang, Kar W. Yung, John I. Novak, III | 2005-05-03 |
| 6807397 | Method for identifying growth limits of handheld services for mobile satellite communications | Donald C. D. Chang, Kar W. Yung, David C. H. Cheng, John I. Novak, III, Frank Taormina +1 more | 2004-10-19 |
| 6791495 | Modular mobile terminal for satellite communication | Donald C. D. Chang, Kar W. Yung, John I. Novak, III | 2004-09-14 |
| 6667715 | Signal processing circuit for communicating with a modular mobile satellite terminal and method therefor | Donald C. D. Chang, Kar W. Yung, John I. Novak, III | 2003-12-23 |
| 6606307 | Techniques for utilization of bandwidth space assets | Donald C. D. Chang, Kar W. Yung, David C. H. Cheng, John I. Novak, III, Frank Taormina +1 more | 2003-08-12 |
| 6501941 | Method for identifying growth limits of handheld services for mobile satellite communications | Donald C. D. Chang, Kar W. Yung, David C. H. Cheng, John I. Novak, III, Frank Taormina +1 more | 2002-12-31 |
| 6496146 | Modular mobile terminal for satellite communication | Donald C. D. Chang, Kar W. Yung, John I. Novak, III | 2002-12-17 |
| 5969674 | Method and system for determining a position of a target vehicle utilizing two-way ranging | Kenneth Yu Huang, Donald C. D. Chang | 1999-10-19 |
| 5903549 | Ground based beam forming utilizing synchronized code division multiplexing | Ken Yu Huang, Donald C. D. Chang, William W. Mayfield | 1999-05-11 |
| 4627079 | Method and apparatus for acquiring and tracking a communications signal | — | 1986-12-02 |