| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Australia | 2 | |
| #3 | Canada | 1 | |
| #4 | China | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Amplification control | |
| #2 | Amplifiers | |
| #3 | Loudspeakers and microphones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Parker Lance | 11 |
| #2 | Maag Clifford | 11 |
| #3 | Jensen Quinn | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5892833A | Gain and equalization system and method | |
| US5712591A | Parallel preamplifier and equalizer | |
| US5717773A | Sound system gain and equalization circuit | |
| CA2121299A1 | Sound system gain and equalization circuit |