| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | Austria | 1 | |
| #4 | Germany | 1 | |
| #5 | Netherlands | 1 | |
| #6 | Norway | 1 | |
| #7 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Control | |
| #3 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kamber Fredy | 10 |
| #2 | Fredy Kamber | 1 |
| #3 | Kamber F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CH683219A5 | Electronic ballast for a low-pressure gas discharge lamp. | |
| CH683391A5 | Dimmer for electronic transformers provided with low-voltage halogen lamps or for mains voltage lamps. | |
| CH683462A5 | A circuit arrangement for generating an electric voltage command value in dependence on an electrical control voltage. | |
| EP0165893A2 | Brightness control device for a fluorescent lamp | |
| CH620562A5 | Method and device for light brightness control of a gas discharge lamp |