| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Australia | 3 | |
| #3 | United States | 2 | |
| #4 | Hong Kong | 1 | |
| #5 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Telecommunications | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Alarm systems | |
| #2 | Telephonic communication | |
| #3 | Radio navigation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nicholls David | 4 |
| #2 | Clift Bruce Graham | 2 |
| #3 | Clift Bruce G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4808972A | Security system with false alarm inhibiting | |
| AU7347787A | Improved security system | |
| SG29284G | Security monitoring system | |
| GB2033121A | Security monitoring system | |
| GB1498514A | Electronic intrusion detection devices | |
| AU8033275A | False alarm inhibitor | |
| AU7939975A | Improvements in electronic detection devices |