INFORMATION ACQUISITION APPARATUS
First Claim
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1. An information acquisition apparatus comprising:
- a first unit including a photoreceiver that receives first reflected light reflected at an object, and that outputs a signal corresponding to light intensity of the first reflected light; and
a second unit separately provided from the first unit, the second unit including a calibrator that has a stable reflectance and that outputs second reflected light to the photoreceiver, the second reflected light being used for comparing the light intensity of the first reflected light.
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Abstract
A component measurement apparatus includes: a first unit including a sensor module that receives first reflected light reflected at a measured portion, and that outputs a signal corresponding to light intensity of the first reflected light; and a second unit separately provided from the first unit, the second unit including a calibration plate that has a stable reflectance and that outputs second reflected light to the sensor module, the second reflected light being used for comparing the light intensity of the first reflected light.
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Citations
8 Claims
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1. An information acquisition apparatus comprising:
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a first unit including a photoreceiver that receives first reflected light reflected at an object, and that outputs a signal corresponding to light intensity of the first reflected light; and a second unit separately provided from the first unit, the second unit including a calibrator that has a stable reflectance and that outputs second reflected light to the photoreceiver, the second reflected light being used for comparing the light intensity of the first reflected light. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification