Issued Patents 1997
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703448 | Shunt-type speed control circuit having transient storage effect for a series or compound motor | — | 1997-12-30 |
| 5680019 | Reverse proportional voltage adjusting circuit system | — | 1997-10-21 |
| 5674169 | Tunnel type or dragon-gate type processing system assembled with selected elements and its related interface means | — | 1997-10-07 |
| 5666257 | DC circuit breaking spark suppressor circuit device | — | 1997-09-09 |
| 5661625 | Circuit device for unstable power source transient state compensation and low voltage cutoff protection of an active controller component | — | 1997-08-26 |
| 5644200 | Driving electrical machine speed controlled power combined system and device | — | 1997-07-01 |
| 5631794 | Differential shunt-type protection circuit | — | 1997-05-20 |
| 5624347 | Electrical machine system capable of load driving and power generation functions and including at least two electrical mechines | — | 1997-04-29 |
| 5620173 | Double-acting distributed pressure vibration proof structure | — | 1997-04-15 |
| 5607369 | Differential motion gear system to control the speed ratio by means of the change of input direction | — | 1997-03-04 |
| 5606492 | Intermittent on/off regulator type DC power supply | — | 1997-02-25 |
| 5598311 | D.C. breaker arc extinguishing circuit | — | 1997-01-28 |