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i-stamp / electromagnetic stamp

i-stamp
i-stamp

The i-stamp do not need to engrave ,it follow the the principle of electromagnetic induction. It can adsorb magnetic ink
by changing the electromagnetic distribution on the grid surface of the bottom plate. Users can store pattern in it through
the micro-USB, and can also use a electromagnetic pen to sign a signature or draw a pattern on the electromagnetic
plate surface which can be recorded in the i-stamp memory.

University

College of Manufacturing Science and Engineering, Sichuan University

College of Manufacturing Science and Engineering, Sichuan University
Chengdu, China

Dongyuan Liu,
College of Manufacturing Science and Engineering, Sichuan University

Ding yang,
College of Manufacturing Science and Engineering, Sichuan University

Yan ma,
College of Manufacturing Science and Engineering, Sichuan University

Yunyan zhou,
College of Manufacturing Science and Engineering, Sichuan University