Strathern Audio Limited
13Patents
0Active
13Granted
30Portfolio score
Filing activity: Nov 27, 1974 → Feb 17, 1978
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3966330A | Phonograph record detecting arrangement | Physics | 35 | Expired |
| US4156801A | Pattern voice coil loudspeaker with baffles touching diaphragm | Electricity | 20 | Expired |
| US4026611A | Bearing arrangement | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4065188A | Linear bearing for parallel tracking arm | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4023130A | Pivoted arm control arrangements | Physics | 8 | Expired |
| US3992018A | Method and apparatus for use in cleaning a gramophone disc | Physics | 6 | Expired |
| US4046386A | Control device | Physics | 6 | Expired |
| US4024473A | Stroboscopic device | Physics | 4 | Expired |
| US4032158A | Method and apparatus for indicating angular displacement | Physics | 4 | Expired |
| US4105961A | Phonograph pick-up arm control arrangement | Physics | 4 | Expired |
| US4059030A | Mechanical gearing | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4114060A | Electric motor | Electricity | 2 | Expired |
| US4088902A | Channel coupling | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.