Position measurement apparatus that detects location by receiving external signals
US6426719B1 · kind B1 · utility
257Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2000 |
| Grant date | Jul 30, 2002 |
| Priority date | — |
| Expiry date | Apr 5, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A position measurement apparatus comprises at receiving unit, control unit, and detection unit that detect the motion of device, the position of device, or wearing situation of device, and the timing of receiving information by the receiving unit is controlled by the control unit in accordance with the detection results by the detection unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.