Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680504 | Apparatus and method for storing and reproducing digital data | — | 1997-10-21 |
| 5675633 | Digital telephone answering set | Jurgen Sienel | 1997-10-07 |
| 5652753 | Digital telephone | Peter Fesseler | 1997-07-29 |
| 5499318 | Method and apparatus for access control based on an audible uttering and timing of the audible uttering | Thomas Hormann, Susanne Dvorak, Uwe Ackermann | 1996-03-12 |
| 5497376 | Method and device for detecting and correcting errors in memory modules | — | 1996-03-05 |
| 5483578 | Method of managing a speech memory, and assembly therefor | Uwe Ackermann, Thomas Hormann | 1996-01-09 |
| 5420912 | Telephone having portable voice control module for playing back speech or performing a hands-free telephone function | Susanne Dvorak, Thomas Hormann | 1995-05-30 |
| 4943911 | System for loading initial program loader routine into secondary computer without bootstrap ROM | Thomas Hormann, Uwe Ackermann | 1990-07-24 |
| 4837808 | Circuit connecting a voice-controlled device to a telephone station and line | Manfred Immendorfer, Thomas Hormann | 1989-06-06 |
| 4763350 | Facility for detecting and converting dial information and control information for service features of a telephone switching system | Manfred Immendorfer, Gebhard Thierer, Helmut Seichter | 1988-08-09 |