Optics: measuring and testing – Inspection of flaws or impurities – Bore inspection
Reexamination Certificate
2007-04-17
2007-04-17
Stafira, Michael P. (Department: 2877)
Optics: measuring and testing
Inspection of flaws or impurities
Bore inspection
C356S241600
Reexamination Certificate
active
10476574
ABSTRACT:
A method and apparatus for obtaining geometrical data relating to the internal surface of the ear canal and/or ear whereby a probe having a light emitting distal portion is inserted into the ear canal, the method including the steps of:directing light from a distal portion of a probe to illuminate at least one point of the internal circumferential surface of the ear and/or ear canal,receiving the light reflected from the illuminated surface, and directing the received light to at least one light sensitive element to generate an output, andanalyzing the output to determine the distance from the probe to the internal surface of the ear and/or ear canal at points of the circumference.
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Jensen Preben Damgård
Olesen Tom
Dykema Gossett PLLC
Oticon A/S
Stafira Michael P.
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