DISTANCE DETECTING APPARATUS, DISTANCE DETECTING METHOD, COMPUTER PROGRAM, AND COMPUTER-READABLE RECORDING MEDIUM

Provided is a distance detecting apparatus including a detecting unit that is inserted in an external auditory canal and includes a light emitting unit that emits light onto an eardrum and a plurality of light receiving units that each receive the light emitted from the light emitting unit and refle...

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Bibliographic Details
Main Authors WADA SEIJI, TANAKA AKICHIKA, TSUBOI TOSHIMITSU, ASAKAWA TAKESHI, SAZUKA NAOYA
Format Patent
LanguageEnglish
Published 05.06.2014
Subjects
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
PHYSICS
TESTING
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Summary:Provided is a distance detecting apparatus including a detecting unit that is inserted in an external auditory canal and includes a light emitting unit that emits light onto an eardrum and a plurality of light receiving units that each receive the light emitted from the light emitting unit and reflected by a light cone of the eardrum, and a distance estimating unit configured to estimate a distance from a target inserted in the external auditory canal together with the detecting unit to the eardrum based on light intensity and distribution detected by each of the light receiving units.
Bibliography:Application Number: US201214131719