| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a displacement sensor that is small in depth width.SOLUTION: The displacement sensor 1 comprises a floodlighting element 2, a light-receiving lens 4, a reflection plate 5 for reflecting a light having passed through the light-receiving lens 4, a light-receiving element 6 having a light-receiving surface 6a for receiving the light reflected by the reflection plate 5 and outputting a signal corresponding to the position of light on the light-receiving surface 6a, and a case for accommodating these optical components and having a detection surface 1x that transmits the light emitted from the floodlighting element 2 and transmits the light reflected at an object to be detected, the reflection plate 5 reflecting a light that is along a light-receiving axisφb of the light-receiving lens 4 toward the light-receiving element 2 and detection surface 1x side.</p> |
