Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694068 | Digital phase-locked loop (PLL) having multilevel phase comparators | — | 1997-12-02 |
| 5642357 | Transmission signal processing circuit which can determine an optimum stuff threshold value corresponding to a sort of a tributary unit of an input signal | Makoto Suzuki | 1997-06-24 |
| 5604774 | Fully secondary DPLL and destuffing circuit employing same | Masaaki Itoh | 1997-02-18 |