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The pattern-lock is widely used in smart world, has many number of cases and apply memory of muscle. So, It’s pattern code easy for you to remember, but hard for others to guess. In other words, easy to remember but difficult to memorize.
If using my door this pattern-lock, I will feel the psychological stability and familiar by experience using cell phone. For more number of cases, we designed 3x4 pattern add one more line. Besides, children can affreciate easily by drawing. Also, we add doorbell to reduce the confusion of visitor.
Yong-in si,gyeong-gi do, South Korea
KYUNG HEE UNIVESITY
Suwon-si, Gyeonggi-do,, South Korea
DONG HA KIM SONG E PART