Energy producing system for use in rechargeable wristwatch, has non-null thermal expansion coefficient element that is connected to solid arms, where system is subjected to radiant energy by varying temperature of element

摘要

The system has a non-null thermal expansion coefficient element that is connected to solid arms, where the system is subjected to radiant energy by varying temperature of the element. A vacuum enclosure is isolated from the element, and a rod is located in the vacuum enclosure.