| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 2 | |
| #3 | Denmark | 2 | |
| #4 | Republic of Korea | 2 | |
| #5 | Norway | 2 | |
| #6 | China | 1 | |
| #7 | Japan | 1 | |
| #8 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Broadcast communication | |
| #2 | Transmission | |
| #3 | Amplification control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Torick Emil L | 7 |
| #2 | Stebbings David W | 6 |
| #3 | Cugnini Aldo G | 5 |
| #4 | Gravereaux Daniel W | 4 |
| #5 | Keller Thomas B | 3 |
| #6 | Keraa Toomasu Bii | 1 |
| #7 | Toritsuku Emiru Eru | 1 |
| #8 | Mcmann Renville H | 1 |
| #9 | Kadin Jeffrey B | 1 |
| #10 | Bod Murray L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4817151A | Selective decoder for compatible FM stereophonic system utilizing companding of difference signal | |
| US4769841A | Receiver for compatible FM stereophonic system utilizing companding of difference signal | |
| US4751734A | Receiver for FM stereophonic broadcasting system utilizing circuits for reducing effects of multipath | |
| US4771464A | FM stereophonic broadcasting system utilizing simultaneous companding and modulation/demodulation | |
| US4752955A | FM stereophonic system having improved compatibility in presence of multipath |