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1. (WO2017149526) A METHOD AND APPARATUS FOR COOPERATIVE USAGE OF MULTIPLE DISTANCE METERS

Pub. No.:    WO/2017/149526    International Application No.:    PCT/IL2017/050220
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Thu Feb 23 00:59:59 CET 2017
IPC: G01C 3/10
G01C 3/18
G01S 17/08
G01S 17/42
Applicants: MAY PATENTS LTD.
Inventors: BINDER, Yehuda
Title: A METHOD AND APPARATUS FOR COOPERATIVE USAGE OF MULTIPLE DISTANCE METERS
Abstract:
A method and apparatus for an angle meter cooperatively using two or more non-contact distance meters for measuring distances to a surface along substantially parallel lines. The measured distances are used for estimating or calculating the angle to the surface and the distance to the surface. The distance meters may use optical means, where a visible or non-visible light or laser beam is emitted and received, acoustical means, where an audible or ultrasound sound is emitted and received, or an electro¬ magnetic scheme, where radar beam is transmitted and received. The distances may be estimated using a Time-of-Flight (TOF), homodyne or heterodyne phase detection schemes. The distance meters may share the same correlator, signal conditioning circuits, or the same sensor. Two or more angle meters may be used defining parallel or perpendicular measurement planes, for measuring angles between surfaces, and for estimating physical dimensions such as length, area or volume.