| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 25 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Telecommunications | |
| #3 | Electrical machinery and energy | |
| #4 | Audio-visual technology | |
| #5 | Control |
| # | Technology | |
|---|---|---|
| #1 | Tuning resonant circuits | |
| #2 | Amplification control | |
| #3 | Transmission | |
| #4 | Resonators | |
| #5 | Television | |
| #6 | Demodulation | |
| #7 | Magnets and transformers | |
| #8 | AC and DC conversion devices | |
| #9 | Alarm systems | |
| #10 | Generation of oscillations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Priem Dipl-Ing Rudolf | 6 |
| #2 | Busse Dipl-Ing Hermann | 2 |
| #3 | Brooke Hugh Allan | 2 |
| #4 | Guenther Dipl-Ing Ulrich | 1 |
| #5 | Heer Hans-Werner | 1 |
| #6 | Sahlmann Hermann | 1 |
| #7 | Martin Anthony Wyard | 1 |
| #8 | Jarvis Hugh Gordon | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE687515C | Arrangement for the elimination of low-frequency interference in a coil system with several coils that are essentially the same | |
| DE755217C | Feedback circuit for cathode ray tubes, especially for television purposes | |
| DE685672C | Method for amplitude modulation without significant secondary frequency modulation of a self-excited tube transmitter for recording physical processes | |
| DE670561C | Station scale for radio receivers u. like |