Inventor
Heikki Tuusa
Inventor
Tampere, FI
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems67%
H02HEmergency protective circuit arrangements22%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters11%
PatentTitleYear
5,157,574'Overvoltage protector for rectifier/inverter bridges'19925,140,514'Regulation of D.C. voltage of a pulse-width modulated rectifier using spatial vectors in a stationary coodinate system'19925,091,841'Procedure for the control of frequency converter and rectifier/inverter bridges, and a modulator unit designed for implementing the procedure'19925,038,244'Device for overvoltage protection of a rectifier bridge feeding a d.c. motor and for control of the d.c. motor during emergency braking'19915,031,087'Procedure for the selection of a bridge or bridge section in a rectifier bridge unit, and a bridge selector unit designed for implementing the procedure'19914,907,144'Frequency converter and a method of applying same'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to KONE OY (1)· patent assignee history
1990–1992Based in Tampere, FI· patent location history
1991–1992Patents assigned to KONE ELEVATOR GMBH (5)· patent assignee history
1992Based in Tatipere, FI· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KONE ELEVATOR GMBH | 5 | 1991–1992 |
| KONE OY | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tampere, FI | 5 | 1990–1992 |
| Tatipere, FI | 1 | 1992 |