| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 3 | |
| #2 | Canada | 2 | |
| #3 | Germany | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Japan | 2 | |
| #6 | Netherlands | 2 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Electrical machinery and energy | |
| #3 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Television | |
| #2 | Electric switches | |
| #3 | Amplification control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Severson Verne L | 5 |
| #2 | Tomfohrde Charles E | 3 |
| #3 | Hines William E | 2 |
| #4 | Baane Eru Saabuson | 2 |
| #5 | Chiyaarusu Ii Tomufuudo | 1 |
| #6 | Uiriamu Ii Hainzu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2431760A1 | Coaxial cable switching circuit - has differential comparator with inputs connected to centre conductor and shield of cable via high impedance circuits | |
| GB2021360A | Composite video automatic gain control amplifier | |
| US4271403A | Coaxial cable switching circuit |