Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8380218 | Transponder subsystem for supporting location awareness in wireless networks | Walter Hirt | 2013-02-19 |
| 7356019 | Method and apparatus for converting optical signals to radio channels | Walter Hirt, Beat Weiss | 2008-04-08 |
| 7289815 | Transponder subsystem for supporting location awareness in wireless networks | Walter Hirt | 2007-10-30 |
| 7062687 | Apparatus and method for setting a data rate in a wireless communication system | Wolfgang Schott | 2006-06-13 |
| 7016403 | Apparatus and method for determining the quality of a digital signal | Walter Hirt | 2006-03-21 |
| 6968279 | Apparatus and method for determining a pulse position for a signal encoded by a pulse modulation | Walter Hirt | 2005-11-22 |
| 6850709 | Apparatus and method for improved connectivity in wireless optical communication systems | Hirt Walter, Brian R. Ingham | 2005-02-01 |
| 6823284 | Geolocation subsystem | Pierre R. Chevillat, Wolfgang Schott | 2004-11-23 |
| 6643469 | Method for improved wireless optical communication and frames for use in a wireless optical communication system | Walter Hirt | 2003-11-04 |
| 6442145 | Robust method and apparatus enabling multi-mode wireless optical communication | Martin De Lange, Walter Hirt | 2002-08-27 |
| 6424442 | Optical transmitter and transceiver module for wireless data transmission | Heinz Richard, Beat Weiss | 2002-07-23 |
| 6377376 | Optoelectronic transceiver having emission angle equal to reception angle | Walter Hirt | 2002-04-23 |
| 5818826 | Media access control protocols in a wireless communication network supporting multiple transmission rates | Peter Dirk Hortensius, Patrick K. Kam, Parviz Kermani, Danny N. McKay, Mahmoud Naghshineh +2 more | 1998-10-06 |
| 5808760 | Wireless optical communication system with adaptive data rates and/or adaptive levels of optical power | — | 1998-09-15 |
| 5280535 | Semiconductor laser diode deposited on a structured substrate surface | Heinz Jaeckel, Heinz P. Meier | 1994-01-18 |
| 5271075 | Fiber optic switch with remote optical powering | Peter L. Heinzmann, Oliver Martin, Johann Mueller | 1993-12-14 |
| 5259049 | Self-aligned optical waveguide to laser structure and method for making the same | Gian-Luca Bona, Heinz Jaeckel, David J. Webb | 1993-11-02 |
| 5247597 | Optical fiber alignment | Armin U. Blacha, Peter Vettiger | 1993-09-21 |
| 5218584 | Integrated optical head structure | — | 1993-06-08 |
| 5150437 | Electro-optical scanner | — | 1992-09-22 |
| 4809257 | Hierarchical distributed infrared communication system | Dieter Gantenbein, Eduard P. Mumprecht | 1989-02-28 |
| 4764984 | Fluorescent sensors for infrared free-space links in data communication systems | Hilmar Franke | 1988-08-16 |
| 4422088 | Bus arrangement for interconnecting circuit chips | — | 1983-12-20 |
| 4402090 | Communication system in which data are transferred between terminal stations and satellite stations by infrared signals | Hans R. Mueller | 1983-08-30 |
| 4400616 | Document card containing information in holographic form | Pierre R. Chevillat | 1983-08-23 |