| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Australia | 3 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Audio-visual technology | |
| #3 | Digital networks |
| # | Technology | |
|---|---|---|
| #1 | Transmission | |
| #2 | Broadcast communication | |
| #3 | Digital information transmission | |
| #4 | Loudspeakers and microphones | |
| #5 | Telephonic communication |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schotz Larry | 18 |
| #2 | Steinike William R | 10 |
| #3 | Wolski Mark R | 10 |
| #4 | Lofgren John A | 5 |
| #5 | Buczkiewicz Robert T | 5 |
| Publication | Filing date | Title |
|---|---|---|
| WO9729550A1 | Digital wireless speaker system | |
| AU4777096A | Digital wireless speaker system | |
| US5673323A | Analog spread spectrum wireless speaker system | |
| US5491839A | System for short range transmission of a plurality of signals simultaneously over the air using high frequency carriers | |
| US5299264A | System for short-range transmission of signals over the air using a high frequency carrier |