Optical measurement of drilled holes
First Claim
Patent Images
1. Apparatus comprising:
- an optical probe comprising a tubular probe wall housing of optical glass and a light source that projects imaging illumination through the housing and reflects the illumination by a cone mirror as a ring of light on the inside of a drilled hole;
an optical sensor that forms, by reflections received through an optical lens of the optical probe, an image of the projected ring;
a controller operably coupled to the sensor and determining, from the image, measurements of dimensions of the drilled hole; and
a robotic transport so adapted to the optical probe as to move the optical probe inside the drilled hole to measure the drilled hole at one or more depths.
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Abstract
An apparatus is provided that includes an optical probe; and a robotic transport so adapted to the optical probe as to move the optical probe inside a drilled hole to measure the drilled hole at one or more depths.
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Citations
17 Claims
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1. Apparatus comprising:
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an optical probe comprising a tubular probe wall housing of optical glass and a light source that projects imaging illumination through the housing and reflects the illumination by a cone mirror as a ring of light on the inside of a drilled hole; an optical sensor that forms, by reflections received through an optical lens of the optical probe, an image of the projected ring; a controller operably coupled to the sensor and determining, from the image, measurements of dimensions of the drilled hole; and a robotic transport so adapted to the optical probe as to move the optical probe inside the drilled hole to measure the drilled hole at one or more depths. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of measuring a drilled hole, the method comprising:
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moving by a robotic transport an optical probe inside a drilled hole to measure the drilled hole at one or more depths, the optical probe comprising a tubular probe wall housing of optical glass, a light source that projects imaging illumination through the housing to a cone mirror, an optical lens, and an optical sensor; projecting by the cone mirror the imaging illumination as a ring of light on the inside of the drilled hole; receiving by the optical sensor through the optical lens reflections of the projected ring; and determining from the received reflections, by a controller that is operably coupled to the optical sensor, measurements of the drilled hole. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. Apparatus for optical measurement of a drilled hole, the apparatus comprising:
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an optical probe comprising a tubular probe wall housing of optical glass and a light source that projects imaging illumination through the housing and reflects the illumination by a cone mirror as a ring of light on the inside of the drilled hole; a hand held probe body with the optical probe disposed upon the body; a graphic display operably mounted upon the probe body; an optical sensor positioned in the probe body with respect to the optical probe to receive reflected imaging illumination and operably coupled to the display so as to display received reflections of the ring of light from the inside of the drilled hole; and a controller, operably coupled to the optical sensor, that determines from the received reflected imaging illumination measurements of the drilled hole. - View Dependent Claims (16, 17)
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Specification