| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 2 | |
| #3 | Australia | 1 | |
| #4 | Germany | 1 | |
| #5 | Israel | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 | |
| #7 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Digital networks | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Secret communication | |
| #2 | Digital information transmission | |
| #3 | Radio navigation | |
| #4 | Wireless communication networks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mccalmont Arnold M | 6 |
| #2 | Slate Matthew W | 4 |
| #3 | Miller C | 2 |
| #4 | Slate Matthew M | 1 |
| #5 | Girard Alfred L | 1 |
| #6 | Griffiths Andrew S | 1 |
| #7 | Dayton David S | 1 |
| #8 | Miller Charles K | 1 |
| #9 | Sheftelman Eugene H | 1 |
| #10 | Doud Robert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5822430A | System for encoding encryption/decryption information into IFF challenges | |
| US4433211A | Privacy communication system employing time/frequency transformation | |
| US4392021A | Secure facsimile transmission system using time-delay modulation | |
| US4276652A | Secure communication system with improved frequency-hopping arrangement | |
| US4195202A | Voice privacy system with amplitude masking | |
| ZA7104885B | Voice privacy device | |
| US3723878A | Voice privacy device | |
| US3691464A | Asynchronous, swept frequency communication system | |
| US3530470A | Radio ranging system |