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Author Archives: L Kannan

About L Kannan

Kannan has about 20 years of association with NGOs and other groups engaged in rural development. He founded Vortex in 2001 to develop technologies appropriate to rural India. He is also founder of a matriculation school in Tamil Nadu. He is associated with the LRAMP programme of IIT Madras that mentors grassroots innovators. He holds various patents on the vortex ATM design. He completed his B.Tech (Mechanical Engg.) from IIT Madras.

How much power do you need to dispense cash?

Posted on October 31, 2009 by L Kannan

Cash dispensers in ATMs typically have currency stacked in cassettes, with the pieces drawn out from one end of the cassette.  The stack is kept pressed at the other end, so that it advances as pieces are successively drawn out.  … Continue reading →

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