| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 11 | |
| #2 | United States | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Telecommunications | |
| #3 | Control | |
| #4 | Machines | |
| #5 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Stereophonic systems | |
| #2 | Broadcast communication | |
| #3 | Television | |
| #4 | Special information storage | |
| #5 | Unspecified technologies | |
| #6 | Alarm systems | |
| #7 | Code conversion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hill Philip Nicholas Cuthberts | 5 |
| #2 | Watts Graham | 4 |
| #3 | Pickard Christopher James | 2 |
| #4 | Hill Philip N C | 2 |
| #5 | Randall Bruce William | 2 |
| #6 | Frindle Paul | 1 |
| #7 | Willis Matthew James | 1 |
| #8 | Randall Bruce W | 1 |
| #9 | Willis Matthew J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB202017324D0 | Displaying attributes of a time-varying signal | |
| GB9422482D0 | Audio signal processing | |
| GB9422208D0 | Audio signal processing | |
| GB9307934D0 | Mixing audio signals | |
| GB9206651D0 | Video processing | |
| GB9109447D0 | Audio signal processing | |
| GB9102263D0 | Adjusting the level of an audio signal | |
| GB8607553D0 | Digital analogue signal conversion |