| 发明名称 |
Leap-second cure for 1999 GPS rollover problem |
| 摘要 |
The timing system for GPS has a week counter that recycles at intervals of about 20 years. The first recycling will occur on Aug. 22, 1999, producing a time ambiguity in GPS signals. The invention employs a count of leap seconds to resolve the ambiguity and extends the useability of GPS in its present format by more than a century.
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| 申请公布号 |
US5923618(A) |
申请公布日期 |
1999.07.13 |
| 申请号 |
US19960748014 |
申请日期 |
1996.11.12 |
| 申请人 |
TRIMBLE NAVIGATION LIMITED |
发明人 |
NELSON, JR., ROBERT LEONARD;BARTMESS, ROBERT CLIFFORD |
| 分类号 |
G01S1/00;G01S1/02;G01S19/25;(IPC1-7):G04B19/24;G04C11/02;G04C15/00 |
主分类号 |
G01S1/00 |
| 代理机构 |
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