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    • 7. 发明授权
    • Sewing machine stitch pattern generation from stitch data stored in static memory
    • 缝纫机缝制图案从STITCH数据存储在静态记忆体中
    • US3855956A
    • 1974-12-24
    • US37678073
    • 1973-07-05
    • SINGER CO
    • WURST J
    • D05B3/02D05B1/04D05B3/00D05B19/00D05B19/02D05B21/00D05C5/02D05C5/06G05B19/40
    • D05B19/10
    • A system is disclosed wherein digital information related to the positional coordinates for each stitch of a predetermined stitch pattern is stored in a static memory. A pulse generator driven in timed relation with the sewing machine produces a timing signal pulse between each successive stitch. These signal pulses are counted up in a counter to provide a time series of progressively increasing binary numbers corresponding to the progressively increasing number of stitches in the pattern. The counter output is applied as the address to the memory to recover as output therefrom the digital information related to the positional coordinates for each stitch of the predetermined pattern. The memory output is applied to a control driving device operatively connected to impart a controlled range of movement to the conventional stitch forming instrumentality of the sewing machine to produce a specific predetermined position coordinate for the needle penetration during each stitch formation.
    • 公开了一种系统,其中与预定针迹图案的每个针迹的位置坐标相关的数字信息被存储在静态存储器中。 与缝纫机定时驱动的脉冲发生器在每个连续针迹之间产生定时信号脉冲。 这些信号脉冲在计数器中向上计数,以提供对应于图案中逐渐增加的针数的逐渐增加的二进制数的时间序列。 将计数器输出作为地址施加到存储器,以从其输出与预定图案的每个针迹的位置坐标相关的数字信息。 存储器输出被施加到操作连接的控制驱动装置,以向缝纫机的传统缝合成形工具赋予受控的移动范围,以在每个针迹形成期间产生用于针穿透的特定预定位置坐标。