Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11482033 | Controllable ultrasonic fingerprint sensing system and method for controlling the system | Farzan Ghavanini, Jonas Tallhage, Frank Riedijk, René Nilsson, Agnieszka Bicz | 2022-10-25 |
| 6720715 | Impulse sound transducer with an elementary block made of piezoelectric material | — | 2004-04-13 |
| 6164135 | Method and device for the structure analysis and/or for detecting the position of layered objects | — | 2000-12-26 |
| 5828627 | Method of and apparatus for producing spherical waves in the ultrasonic range | — | 1998-10-27 |
| 5589636 | Method of and apparatus for the detection of an ultrasonic field | — | 1996-12-31 |
| 5515298 | Apparatus for determining surface structures | — | 1996-05-07 |
| 4977601 | Method of recognizing a fingerprint | — | 1990-12-11 |