| 摘要 |
An apparatus and a method for measuring an infrared ray are provided to measure the infrared ray even in a lighted area by using a projection unit and a light receiving element. A projection unit(100) projects infrared rays having a predetermined waveform. A light receiving unit(200) includes a plurality of light receiving elements for receiving the infrared rays and generating signals corresponding to the infrared rays. A signal processing unit(400) determines light receiving states of the infrared rays generated from the light receiving elements and determines the magnitude of infrared rays from the states of the infrared rays. The magnitude of the signal generated from the light receiving element is proportional to the magnitude of the infrared rays received from the projection part.
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