Electronic timepiece with thermoelectric element

Details Electronic timepiece with thermoelectric element Electronic timepiece with thermoelectric element

1995-07-25

1996-05-14

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With supplemental power source

368203, 307 48, 307 72, 310306, 320 2, 320 61, G04B 100, G04C 300, H02J 332

Patent

active

055174680

ABSTRACT:
In an electric timepiece using a small and thin thermoelectric element wherein a first insulator made of silicon is on the heat absorbing side and a second insulator made of silicon is on the heat radiating side, when a temperature difference is applied thereon such that the temperature on the heat absorbing side is higher than that on the heat radiating side, heat is transferred in a direction from the insulator 101 to the insulator. In that case, electrons move toward the insulator on the heat radiating side in a n-type semiconductor. Holes move toward the insulator on the heat radiating side in a p-type semiconductor. The n-type semiconductor and the p-type semiconductor are electrically connected in series via a connector and therefore, the heat transfer is converted into current and an electromotive force can be provided between output terminals. Further, the electromotive force is stored in an electric storage means. A time display means is operated by the electromotive force from the electric storage means.

REFERENCES:
patent: 4106279 (1978-08-01), Martin et al.
patent: 4165477 (1979-08-01), Comte
patent: 4213292 (1980-07-01), Dolezal et al.
patent: 4320477 (1982-03-01), Baumgartner

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