Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7190703 | Method and device for synchronizing base stations of a mobile communications network | — | 2007-03-13 |
| 7085276 | System for synchronizing communications system components coupled via a communications network | — | 2006-08-01 |
| 6559696 | Circuit arrangement for generating a clock-pulse signal having a frequency synchronous with a reference clock-pulse signal | Eduard Zwack | 2003-05-06 |
| 6123677 | Obtaining data on hearing capacity | Bernd Waldmann | 2000-09-26 |
| 5430707 | Method and apparatus for communicating operating information between centralized and decentralized equipment of a communication system | Eduard Zwack, Peter Strohmeier, Friedrich Geissler | 1995-07-04 |
| 4835481 | Circuit arrangement for generating a clock signal which is synchronous in respect of frequency to a reference frequency | Friedrich Geissler, Eduard Zwack | 1989-05-30 |
| 4376988 | Method and circuitry arrangement for refreshing data stored in a dynamic MOS memory | Volker Ludwig | 1983-03-15 |