Methods and apparatus for correcting a software clock from an accurate clock
US4575848A · kind A · utility
14Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 1984 |
| Grant date | Mar 11, 1986 |
| Priority date | — |
| Expiry date | Feb 1, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04R40/06
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Apparatus and methods for correcting a software clock remote from an accurate clock, which include determining the error between the remote software clock and accurate clock, and in addition to periodically downloading the correct time to the software clock, a correction factor is also downloaded which attempts to correct the error.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.