Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809296 | Method for transmitting data via the lines of a power supply system | Walter Braun | 1989-02-28 |
| 4800363 | Method for data transmission via an electric distribution system and transmission system for carrying out the method | Walter Braun, Urs Hanselmann, Bruno Maibach, Peter Schranz | 1989-01-24 |
| 4799238 | Differential phase shift keying method for the transmission of data | Walter Braun | 1989-01-17 |