US PATENT DOCUMENTS 4,948,246 A 8/1990 Shigematsu 5,006,721 A 4, 1991 Cameron
et al. 5,040,116 A 8/1991 Evans, Jr. et al. 5,313,063 A 5, 1994 Netzer 5,760,390 A 6/1998 …

(57) ABSTRACT A distance measuring system and method employing a laser distance
sensor may have utility in various applications. In accordance with one aspect of the present …

An inner diameter measuring device comprises an object to be measured supporting
carriage, being arranged movably along a rail installed on an upper Surface of a bed and …

Thus, one object is to provide a robot cleaner which can accurately recognize the obstacle
situation in an area to be cleaned. According to an aspect of the present invention, there is …

One embodiment provides a method for identifying a target object of a pipe wall, including:
positioning a pipe inspection robot within a pipe; emitting, using a terahertz (THz) beam …

One aspect provides a method, including: operating a mobile pipe inspection platform to
obtain sensor data for the interior of a pipe; analyzing, using a processor, the sensor data …

(57) ABSTRACT A method is provided for measurement of the thickness of any deposit of
material on the inner wall of a pipeline at least partly filled with a medium including …

An inner diameter measuring device, comprising an image pickup unit (2) provided at a
base end of a frame unit (6) and for picking up an image of a forward end side, a centering …

(57) ABSTRACT A system includes a vessel floating on a body of water. The system also
includes at least one conduit extending from the vessel to below the body of water. The …

An inner diameter measuring device, comprising a measure ment carriage traveled in
straight direction, pipe holding frames disposed at front and rear positions and for mounting …