| 摘要 |
<p>The present invention relates to an infrared sensor module and a robot cleaner using the same. The infrared sensor module includes a reflector having multiple reflection areas, wherein the reflection areas have different reflection characteristics; and an infrared sensor formed to face the reflector, irradiating infrared light to the reflector, and finding out a reflection area of the reflector from which infrared light is reflected by analyzing the quantity of the infrared light reflected from the reflector.</p> |
