Electronic sewing machine

A sewing machine having a housing, stitch forming instrumentalities disposed in said housing and including a needle vertically and laterally reciprocated to penetrate a fabric to be sewn and a fabric feeding device for transporting the fabric relative to the needle, and electronic memory for storing stitch control data selectively and sequentially reading out said data to control the stitch forming instrumentalities, the sewing machine comprising a plurality of interchangeable control panels, said housing being formed with an opening, said control panels being attachably-removable and selectively mounted on said housing to cover up said opening, each of said control panels including a number of operating elements having at least pattern selecting switches, signal producing means operative in response to a selective manipulation of said operating elements to produce electric signals, and indicating means operative in response to said electric signals to electrically indicate a selected pattern, said control panels being partly and electrically differently specified from each other in accordance with selected patterns;

• and electronic control means mounted in said housing and electrically connected to the selected control panel and operative to control the stitch forming instrumentalities in accordance with the signals received from the selected control panel;
• said electronic control means including changeover switch means positioned in said housing and switched over to a predetermined position corresponding to a selected control panel and adapted to set said electronic means in a condition to respond to the signals from said selected control panel.