Combined heading and depth sensor
US4671120A · kind A · utility
9Cited by
16References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 25, 1983 |
| Grant date | Jun 9, 1987 |
| Priority date | — |
| Expiry date | Apr 25, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C17/26
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A combined heading and depth sensor for acquisition of both compass heading and depth data and transmission of the combined data over a two wire communication link as a single packet of information to a remote data acquisition unit. The sensor includes a remote reading compass assembly, a depth sensor and circuitry to interface the compass and depth sensors to the communication link. A communication protocol is defined permitting addressable interrogation of a plurality of combined heading and depth sensors over the two wire link.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.