METHOD AND DEVICE FOR DETERMINING THE POSITION OF AT LEAST ONE POINT OF REFLECTION ON AN OBSTACLE

Title:

METHOD AND DEVICE FOR DETERMINING THE POSITION OF AT LEAST ONE POINT OF REFLECTION ON AN OBSTACLE

Document Type and Number:

WIPO Patent Application WO2005061985

Kind Code:

A3

Abstract:

The invention relates to a method for determining the position (x, y) of at least one point of reflection (R_1-2) on an obstacle (200). According to traditional methods of this kind a first distance (r₁) between the point of reflection (R_1-2) and a first position (x₁) of a distance measuring device is calculated by evaluating a time period between the emission of a transmission signal and reception of a reflection signal. In order to state the unsharp position of the point of reflection thereby obtained even more precisely, in addition to the first distance (r₁), a second distance (r₂) of the point of reflection is calculated with respect to a second position (x₂) of the distance measuring device in analogy to the calculation of the first distance (r₁) and then a defined position (x, y) is calculated from the pair of variates (x₁, r₁) (x₂, r₂) so obtained using the triangulation method.

Inventors:

GOTZIG HEINRICH (DE)
ECKSTEIN OLIVER (DE)
HENRY MARION (DE)
JUNG THOMAS (DE)
JECKER NICOLAS (DE)

Application Number:

PCT/EP2004/053242

Publication Date:

September 08, 2006

Filing Date:

December 02, 2004

Export Citation:

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Assignee:

VALEO SCHALTER & SENSOREN GMBH (DE)
GOTZIG HEINRICH (DE)
ECKSTEIN OLIVER (DE)
HENRY MARION (DE)
JUNG THOMAS (DE)
JECKER NICOLAS (DE)

International Classes:

G01S15/46; G01S15/931

Foreign References:

EP0987563A2	2000-03-22
EP1361459A1	2003-11-12
US20030128153A1	2003-07-10

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