Displacement sensing by comparing matrices of pointwise measurements
US7082378B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2004 |
| Grant date | Jul 25, 2006 |
| Priority date | — |
| Expiry date | Nov 18, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D2205/90
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Determining a displacement of a substantially rigid item relative to a frame of reference between a first time and a second time is described. At the first time, a first set of pointwise measurements of a physical property of the item taken at a plurality of fixed locations relative to the frame of reference is acquired. At the second time, a second set of pointwise measurements of the physical property taken at the plurality of fixed locations is acquired. A first matrix derived from the first set of pointwise measurements is compared to a second matrix derived from the second set of pointwise measurements to determine the displacement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.