| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Telecommunications | |
| #3 | Electrical machinery and energy | |
| #4 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Demodulation | |
| #2 | Transmission | |
| #3 | Resonators | |
| #4 | Amplification control | |
| #5 | Capacitors and switching devices | |
| #6 | Amplifiers | |
| #7 | Tuning resonant circuits | |
| #8 | Generation of oscillations | |
| #9 | Measuring electric variables | |
| #10 | Electric discharge tubes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mare Jehan De | 2 |
| #2 | Bedeau Francois | 1 |
| #3 | Vallette Robert | 1 |
| #4 | Bedeau Jean-Francois | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE540337C | Circuit for frequency conversion by means of a double grille |