Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8498428 | Fully integrated small stereo headset having in-ear ear buds and wireless connectability to audio source | Johannes Lucas Schreuder, Jan-Willem Zweers | 2013-07-30 |
| 8005431 | Controlling attenuation of an antenna signal in a communication terminal to reestablish a lost communication link | Jacobus Cornelis Haartsen | 2011-08-23 |
| 7928705 | Switched mode voltage converter with low-current mode and methods of performing voltage conversion with low-current mode | Jacobus Cornelis Haartsen, Tjapko Uildriks | 2011-04-19 |