Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9270301 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems | Kim Kaltiokallio | 2016-02-23 |
| 8903022 | Dual channel reception | — | 2014-12-02 |
| 8838049 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems | Kim Kaltiokallio | 2014-09-16 |
| 8768408 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems | Kim Kaltiokallio | 2014-07-01 |
| 8755834 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems | Kim Kaltiokallio | 2014-06-17 |
| 8665995 | Dual channel transmission | — | 2014-03-04 |
| 8126421 | Radio receiver | — | 2012-02-28 |
| 7937051 | Apparatus and method for measuring the level of RF signals, and a transmitter including a wide band measurement circuit | — | 2011-05-03 |
| 7844233 | Passive amplification of signals | — | 2010-11-30 |
| 7668527 | Multi-function passive frequency mixer | — | 2010-02-23 |
| 7646211 | Circuit and apparatus for reducing interference of digital signals | — | 2010-01-12 |
| 7630700 | Multi-function passive frequency mixer | — | 2009-12-08 |
| 7620376 | Method and arrangement for performing analog signal processing and measuring between a signal source and a load | — | 2009-11-17 |
| 7415247 | Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems | Kim Kaltiokallio | 2008-08-19 |
| 7330070 | Method and arrangement for optimizing efficiency of a power amplifier | — | 2008-02-12 |
| 7288995 | Power amplifier of a transmitter | — | 2007-10-30 |
| 6963735 | Method and arrangement for receiving a frequency modulated signal | — | 2005-11-08 |
| 6324389 | Method and circuit arrangement for processing a received signal | — | 2001-11-27 |
| 6288606 | Linear power amplifier arrangement and method for its operation | Tapani Ekman, Seppo Rosnell | 2001-09-11 |
| 6144243 | Method and circuit arrangement for reducing offset voltage of a signal | — | 2000-11-07 |
| 6131021 | Method for extending the RSSI range and radio transceiver operating in accordance with this method | Peter Lussenhop | 2000-10-10 |
| 6018277 | Series of strip lines for phasing and balancing a signal | — | 2000-01-25 |
| 5963855 | Method for extending the RSSI range and radio transceiver operating in accordance with this method | Peter Lussenhop | 1999-10-05 |
| 5519885 | Method to generate different frequency signals in a digital radio telephone | — | 1996-05-21 |
| 5450620 | Circuit for controlling the transmit power level in a booster amplifier for a digital mobile phone system | — | 1995-09-12 |