Construction laser system comprising a rotation laser and a laser receiver, and method
US9207077B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2011 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Apr 15, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C15/004
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A construction laser system comprising at least one rotation laser which has a laser unit and a rotatable deflection means, a laser receiver has a laser beam detector which is designed to generate an output signal when the laser beam impinges on the laser beam detector. An evaluation unit for determining the position of the laser receiver relative to the reference surface and an indicator for the determined position. A controller where a known emission pattern is generated over a sequence of a plurality of revolutions by varying the emission of the laser beam in a manner temporally coupled to the revolution period of the deflection means, and the evaluation unit is designed to identify the reference surface using a sequence of output signals which are each generated by the laser beam detector when the rotating laser beam repeatedly successively impinges, which sequence corresponds to the known emission pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.