Position Orientation Systems, Inc.
9Patents
0Active
9Granted
33Portfolio score
Filing activity: Sep 30, 1982 → Nov 21, 1985
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4776016A | Voice control system | Physics | 484 | Expired |
| US4642786A | Method and apparatus for position and orientation measurement using a magnetic field and retransmission | Physics | 310 | Expired |
| US4622644A | Magnetic position and orientation measurement system | Physics | 167 | Expired |
| US4653102A | Directional microphone system | Electricity | 93 | Expired |
| US4506354A | Ultrasonic position detecting system | Emerging Cross-Sectional Technologies | 90 | Expired |
| US4618822A | Displacement sensing device utilizing adjustable tuned circuit | Human Necessities | 51 | Expired |
| US4823170A | Line of sight measuring system | Physics | 39 | Expired |
| US4576481A | Passive optical position measurement system | Physics | 37 | Expired |
| US4858203A | Omnidirectional distance measurement system | Emerging Cross-Sectional Technologies | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.