| 8767876 |
Filter offset compensation |
— |
2014-07-01 |
| 7742748 |
Signal predistortion in radio transmitter |
Marko Alanen, Jussi Vepsalainen, Jaako Maunuksela |
2010-06-22 |
| 7551688 |
Waveforms for envelope tracking transmitter |
Jarkko Kesti |
2009-06-23 |
| 7522011 |
High pass modulation of a phase locked loop |
Niall Eric Shakeshaft |
2009-04-21 |
| 7522676 |
Method and system for transmitter envelope delay calibration |
— |
2009-04-21 |
| 7519336 |
Method and arrangement for optimizing efficiency of a power amplifier |
Jussi Vepsalainen |
2009-04-14 |
| 7236542 |
Multi-mode envelope restoration architecture for RF transmitters |
— |
2007-06-26 |
| 7123664 |
Multi-mode envelope restoration architecture for RF transmitters |
— |
2006-10-17 |
| 6215988 |
Dual band architectures for mobile stations |
— |
2001-04-10 |
| 6125266 |
Dual band architectures for mobile stations having transmitter linearization feedback |
Kari Kananen |
2000-09-26 |
| 6115585 |
Antenna switching circuits for radio telephones |
Matti I Kangas |
2000-09-05 |
| 5974305 |
Dual band architectures for mobile stations |
— |
1999-10-26 |
| 5898406 |
Antenna mounted diplexer |
— |
1999-04-27 |
| 5787362 |
AM removal from FM signal generated by IQ modulator |
— |
1998-07-28 |
| 5768691 |
Antenna switching circuits for radio telephones |
Matti I Kangas |
1998-06-16 |
| 5752172 |
Distributed transmitter output power control circuit and method for a radio telephone |
— |
1998-05-12 |
| 5551067 |
Amplifier control system |
Jaakko Hulkko, Toivo Vilmi |
1996-08-27 |
| 5446422 |
Dual mode FM and DQPSK modulator |
Heikki Mattila, Jaakko Hulkko |
1995-08-29 |
| 5432473 |
Dual mode amplifier with bias control |
Heikki Mattila, Hannu Pakonen |
1995-07-11 |
| 5392460 |
Dual mode radiotelephone terminal selectively operable for frequency modulated or phase modulated operation |
Heikki Mattila, Jaakko Hulkko |
1995-02-21 |
| 5371481 |
Tuning techniques for I/Q channel signals in microwave digital transmission systems |
Erkki Tiittanen, Heikki Mattila, Tapio Rautava, Kjell Ostman, Mikko Halttunen |
1994-12-06 |
| 5357221 |
Regulation of modulator I and Q signal phasing |
— |
1994-10-18 |
