Method of forming a grid defining a first relative reference frame
US9121709B2 · kind B2 · utility
1Cited by
10References
19Claims
0Family size
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Key dates
| Filing date | Mar 12, 2013 |
| Grant date | Sep 1, 2015 |
| Priority date | — |
| Expiry date | May 9, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/283
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of projecting into space, from a first object, a plurality of modulated lines to form a grid defining a first relative reference frame, the method includes simultaneously projecting into space from the first object a horizontal grid line and a vertical grid line to form a set of grid lines, modulating the horizontal grid line and the vertical grid line to carry first and second grid words, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.