Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9510093 | Device and method for hum signal compensation in analog telephony signals | — | 2016-11-29 |
| 9225825 | Method and apparatus for line testing | Alberto Canella | 2015-12-29 |
| 9031211 | Audio processing apparatus | Gerfried Krampl, Peter Linortner, Christian Jenkner, Thomas Ferianz, Joachim Pichler +1 more | 2015-05-12 |
| 9025733 | Method and apparatus for line testing | Alberto Canella | 2015-05-05 |
| 9014367 | DC/DC converter for a subscriber line interface circuit, system, method and apparatus | — | 2015-04-21 |
| 8995623 | Communication line testing with protective devices in place | Michael Schoenberger, Alberto Canella | 2015-03-31 |
| 8908752 | Line testing | Bernhard Zojer, Thomas Ferianz, Thomas Linder | 2014-12-09 |
| 8867736 | Device for controlling a supply voltage for a terminal | Richard Gaggl, Christian Jenkner | 2014-10-21 |
| 8787559 | Codec circuit for POTS system | Christian Jenkner, Richard Gaggl, Joachim Pichler | 2014-07-22 |
| 8339145 | Line testing | Alberto Canella, David Schwingshackl | 2012-12-25 |
| 8243916 | CODEC circuit for POTS system | Christian Jenkner, Richard Gaggl, Joachim Pichler | 2012-08-14 |
| 8130912 | Line testing | Bernhard Zojer, Thomas Ferianz, Thomas Linder | 2012-03-06 |
| 8111824 | Control circuit for controlling a DC supply voltage for a terminal | Richard Gaggl, Christian Jenkner | 2012-02-07 |
| 8102970 | Method and apparatus for line testing | Alberto Canella | 2012-01-24 |
| 7184543 | Method and circuit arrangement for controlling a subscriber line interface circuit | Herbert Zojer | 2007-02-27 |
| 7046797 | Telephone system with controllable ringing voltage | Alberto Canella | 2006-05-16 |
| 7010120 | Method for adjusting a ringing signal current in a subscriber line and circuit arrangement | Herbert Zojer | 2006-03-07 |
| 6980648 | Telephone system with current regulation in the constant current region | Alberto Canella | 2005-12-27 |