Control Data Canada Limited
8Patents
0Active
8Granted
29Portfolio score
Filing activity: Jun 19, 1975 → Nov 4, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4879544A | Intrusion detection system | Physics | 205 | Expired |
| US4697185A | Algorithm for radar coordinate conversion in digital scan converters | Physics | 21 | Expired |
| US4419659A | Intrusion detection system using leaky transmission lines | Physics | 19 | Expired |
| US4887069A | Perimeter intrusion detection system with block ranging capabilities | Physics | 13 | Expired |
| US4760362A | Leaky coaxial cable providing inductive coupling by eliminating radiating gaps, and the method of making same | Electricity | 12 | Expired |
| US4300338A | Method of producing coaxial cable | Electricity | 8 | Expired |
| US4356562A | Method and apparatus for demultiplexing electrical signals | Electricity | 3 | Expired |
| US3997255A | Arcuate optical scanning for N-S movement in a map display navigational apparatus | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.