| 摘要 |
PROBLEM TO BE SOLVED: To provide a motor-driven sewing machine provided with a radio controller for which the position of the radio controller is easily recognized and the consumption of a battery is little. SOLUTION: A sewing machine body 1 and a controller 2 are cordlessly connected by radio without a cable. The controller 2 is provided with an LED lamp 3, prescribed flicker display is performed and the position of the controller 2 is easily recognized. When the controller 2 is not stepped on for a long time, the interval of flickering of the LED lamp 3 is increased corresponding to the time and power such as the battery is saved. COPYRIGHT: (C)2006,JPO&NCIPI
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