| 摘要 |
To provide a compact sensor device for the automatic door assembly, which can be mounted and dismounted easily to a support member and be effective to secure the safety in the doorway vicinity, a activation sensor ( 1 ) for opening a door ( 3 ) and a safety sensor ( 2 ) for keeping the door ( 3 ) open are supported in a fashion overlapped one above the other in a direction conforming to the direction in which they are secured to a support member ( 5 ).
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