| 摘要 |
PROBLEM TO BE SOLVED: To secure a connection state with an arbitrary sewing machine easily in the case where a control panel is shared by a plurality of sewing machines.SOLUTION: A control panel 10 performs wireless communication of setting data or a command with a sewing machine 110, and includes: a panel side communication unit 17 for performing non-contact type short-range wireless communication with a sewing machine side communication unit 119 provided at the sewing machine; and a communication control unit 19 for periodically transmitting polling data for requesting a reply for maintaining a communication connection state from the panel side communication unit.SELECTED DRAWING: Figure 2 |
