Wrist watch on demand

Wrist watch on demand Author: David Judbarovski, systems engineering, principle inventor judbarovski@gmail.com If you want to know the time, the said watch is asked it from a remote timer. If you locate at places without remote communication, you must activate temporally a channel from timer code chip to indicator. Such wrist watch on demand can work some months without next recharge. Power system of the watch consist of a tiny ultracondensator charged practically instantly and followed by tiny secondary battery being inherently much slow self-recharged. Energy for charger can be as home electric socket, as photovoltaic, as by hand force.

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