OPTICAL METHOD AND APPARATUS FOR DETERMINING A CHARACTERISTIC SUCH AS VOLUME AND DENSITY OF AN EXCAVATED VOID IN A CONSTRUCTION MATERIAL

WIPO Patent Application WO/2012/170580

A3

One or more methods and apparatuses for determining a characteristic, such as volume, of an excavated void of a construction material are provided. The one or more methods may include excavating a void defined in a construction material, interacting with the void using a material interacting device for determining at least one measurement thereof, manipulating the at least one measurement to determine a characteristic of the void such as the volume thereof, obtaining at least one measurement of the material, and determining a characteristic of the void based on the measurements obtained. The apparatus may include at least one material interacting device configured to interact with a surface of a construction material and a surface of a void defined therein for determining at least one respective measurement thereof and manipulate a plurality of the at least one measurement so as determine a characteristic of the void.

JPH04198805	DEVICE FOR DETECTING ROTATIONAL DISPLACEMENT ANGLE
JPS62289707	POSITION MEASURING METHOD FOR STOCK BEING ROLLED

TROXLER ROBERT ERNEST (US)

PCT/US2012/041163

February 28, 2013

June 06, 2012

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TROXLER ELECTRONIC LAB INC (US)
TROXLER ROBERT ERNEST (US)

G01B17/00; G01B17/08; G01N9/36; G01N22/04; G01N23/00; G01N23/227; G01N24/00; G01N27/00; G01N27/92; G01N29/00; G01N29/52; G01N33/00; G01N33/98; G01N35/00; G01N35/10

US20050021285A1	2005-01-27
SU1318812A1	1987-06-23
US6215317B1	2001-04-10
US20070084273A1	2007-04-19
SU930069A1	1982-05-23

NIFONG, Justin, R. (Pllc125 Edinburgh South Drive, Suite 10, Cary NC, US)

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