Single pivot remote reading compass
US4027398A · kind A · utility
9Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1975 |
| Grant date | Jun 7, 1977 |
| Priority date | — |
| Expiry date | Jun 17, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C17/26
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A remote reading magnetic compass in which a coded compass disc is supported for rotation by a single upper pivot bearing which maintains the disc and associated compass magnet submerged in a damping liquid with positive buoyancy and which provides a selected range of tilt without gimbal mounting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.