| 摘要 |
An instruction drop-off warning system ( 1 ), which warns of drop-off of an instruction sheet (L) attached on a work ( 20 ) in a production line ( 40 ), comprises an IC tag ( 5 a), which is incorporated in the instruction sheet L and is used for storing identification information, an instruction-management system ( 2 ), which manages the identification information of the instruction sheet (L) attached on the work ( 10 ) as instruction information ( 4 ), and a handy terminal ( 6 ), which includes a reader/writer ( 3 ) for reading and writing identification information from and into an IC tag ( 5 b) and which stores the instruction information ( 4 ) received from the instruction-management system ( 2 ). In the instruction drop-off warning system, the handy terminal ( 6 ) is used for comparing the identification information being read from the instruction sheet (L) attached on the work ( 20 ), with the instruction information ( 4 ), so that a detection is made for warning whether or not any instruction sheet (L) has dropped off.
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