Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11576589 | Apparatus, system and method of respiratory inductance plethysmography with measurement bands | — | 2023-02-14 |
| 8965304 | Multi-mode I/O circuitry supporting low interference signaling schemes for high speed digital interfaces | Tarmo Ruotsalainen, Jussi-Pekka Tervaluoto | 2015-02-24 |
| 8063776 | Sensor data sharing | — | 2011-11-22 |
| 8023923 | Mixer circuit | Jussi-Pekka Tervaluoto, Tarmo Ruotsalainen | 2011-09-20 |
| 7710262 | Sensor data sharing | — | 2010-05-04 |
| 7702293 | Multi-mode I/O circuitry supporting low interference signaling schemes for high speed digital interfaces | Tarmo Ruotsalainen, Jussi-Pekka Tervaluoto | 2010-04-20 |
| 7336937 | Compensation of a DC offset in a receiver | Jussi-Pekka Tervaluoto, Joni Jäntti | 2008-02-26 |
| 7319385 | Sensor data sharing | — | 2008-01-15 |
| 7239183 | Active current mode sampling circuit | Jussi-Pekka Tervaluoto, Tarmo Ruotsalainen | 2007-07-03 |
| 7061409 | Techniques for sample rate conversion | Joni Jäntti | 2006-06-13 |
| 7058463 | Method and apparatus for implementing a class D driver and speaker system | Tarmo Ruotsalainen, Jussi-Pekka Tervaluoto | 2006-06-06 |
| 6819177 | Electronic circuit for a switching power amplifier and method for switching the output stage of a switching power amplifier | Tarmo Ruotsalainen, Jussi-Pekka Tervaluoto, Jani Kauppinen | 2004-11-16 |
| 6680634 | Self calibrating digital delay-locked loop | Joni Jäntti | 2004-01-20 |
| 6575915 | Method and apparatus for identifying heartbeat | Seppo Nissila, Jari Miettinen, Hannu Sorvoja | 2003-06-10 |
| 6577258 | Adaptive sigma-delta data converter for mobile terminals | Tarmo Ruotsalainen, Jussi-Pekka Tervaluoto, Jani Kauppinen | 2003-06-10 |
| 6554773 | Method and arrangement for blood pressure measurement | Seppo Nissila, Hannu Sorvoja, Mika Niemimaki, Mika Sorvisto | 2003-04-29 |
| 6535155 | Method and apparatus for suppressing tones induced by cyclic dynamic element matching (DEM) algorithms | Tarmo Ruotsalainen, Jussi-Pekka Tervaluoto, Jani Kauppinen | 2003-03-18 |
| 6507171 | Method and apparatus for measuring battery charge and discharge current using a direct analog-to-digital conversion of a charge/discharge replica current | Tarmo Ruotsalainen, Jussi-Pekka Tervaluoto, Jani Kauppinen | 2003-01-14 |
| 6473019 | Low capacitance, low kickback noise input stage of a multi-level quantizer with dithering and multi-threshold generation for a multi-bit sigma-delta modulator | Tarmo Ruotsalainen, Jussi-Pekka Tervaluoto | 2002-10-29 |
| 6466087 | Method and apparatus providing digital error correction for a class D power stage | — | 2002-10-15 |
| 6445318 | Method and apparatus for providing signal dependent dither generator for sigma-delta modulator | Tarmo Ruotsalainen, Jussi-Pekka Tervaluoto | 2002-09-03 |
| 6426714 | Multi-level quantizer with current mode DEM switch matrices and separate DEM decision logic for a multibit sigma delta modulator | Tarmo Ruotsalainen, Jussi-Pekka Tervaluoto | 2002-07-30 |
| 6407532 | Method and apparatus for measuring battery charge and discharge current | — | 2002-06-18 |
| 6312387 | Method and apparatus for identifying heartbeat | Seppo Nissila, Jari Miettinen, Hannu Sorvoja | 2001-11-06 |
| 6282439 | Method of measuring vital function and measuring device | — | 2001-08-28 |