Problems such as how to notify multiple subscribers of physical device events, managed-data update events, and other telephony-related events were solved by applying this pattern.
Joseph Marie Jacquard created a device which could be affixed to looms, which used a pattern of holes, much like early computer punched CARDS, to direct the textile design.
Joseph Marie Jacquard创造了一种可以附加在织布机上的设备，它使用一个打孔模式(很像早期计算机的穿孔卡片)编织图案。
3
It's a device which identifies its owner through his finger-print pattern.