Closest point of approach calculator
US3939334A · kind A · utility
7Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 2, 1975 |
| Grant date | Feb 17, 1976 |
| Priority date | — |
| Expiry date | Jan 2, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/937
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A manually operative, programmed (dedicated) calculator that computes the nge, bearing, and time of closest point of approach for any number of selected target ships, and also their course and speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.