| 摘要 |
PROBLEM TO BE SOLVED: To provide a picking sensor that surely informs an operator about a work area despite of a configuration employing a sensor body having a projection and light receiving section and a reflection plate. SOLUTION: The sensor body 14 opposes to the reflection plate 15 and a light receiving photodiode 20 receives a light projected from a projection LED 19 and recursively reflected in a detection reflecting face section 31 of the reflection plate 15. The sensor body 14 is provided with a workmanship instruction display section 24 and a workmanship instruction LED 25 lights up in response to a lighting command. The workmanship instruction display section 24 is provided with an auxiliary projection LED 27 and projects a visual light in response to the lighting command. The reflection plate 15 is provided with an auxiliary workmanship instruction display section 32, which is lighted by receiving the visual light from the auxiliary projection LED 27 reflected in a display use reflection member 34 adhered to a slope 33 of the auxiliary workmanship instruction display section 32. |
