Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5734683 | Demodulation of an intermediate frequency signal by a sigma-delta converter | Jaakko Hulkko, Lauri T. Siren | 1998-03-31 |
| 5701106 | Method and modulator for modulating digital signal to higher frequency analog signal | Juha Pikkarainen | 1997-12-23 |
| 5613235 | Operation of a radiotelephone in a synchronous extended standby mode for conserving battery power | Raimo Kivari | 1997-03-18 |