Patent · US Active

Laser distance meter

US8068215B2 · kind B2 · utility

1Cited by

3References

8Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Torsten Gogolla · Schaan, LI
Andreas Winter · Feldkirch, AT
Helmut Seifert · Serba, DE
Gero Schusser · Nastätten, DE

Key dates

Filing date	Dec 10, 2008
Grant date	Nov 29, 2011
Priority date	—
Expiry date	Dec 10, 2028

Classification

Technology area (CPC G)Physics
CPC primaryG01S17/32
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An electro-optic laser distance meter (1, 1′) has a hand-held housing (2), an electric radiation source (3) for generating a bundled light beam (4), and receiving optics (5) with a photoreceiver (7) for receiving parts of the light beam (4) that is backscattered in a reception beam bundle (9) from a measurement object (8), with the photoreceiver (7) being arranged along the reception axis (E) in the focal point (6), extending in a plane transverse to the reception axis (E), and being partially shadowed inside the reception beam bundle (9) by a polarization filter (10, 10′, 10″, 10′″).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.