Horology: time measuring systems or devices – Chronological – With supplemental power source
Patent
1997-10-15
1999-03-30
Miska, Vit W.
Horology: time measuring systems or devices
Chronological
With supplemental power source
368205, 136205, G04B 100, G04C 300, H01L 3330
Patent
active
058897356
ABSTRACT:
A thermoelectriocally powered wristwatch has an endothermic plate affixed to the underside of a case back for absorbing external heat, and a thermal conduction plate for conducting the absorbed heat through heat transfer pins to a thermoelectric conversion element which converts the absorbed heat to electricity for powering the wristwatch. Thermal conduction preventive packings formed of a material having low thermal conductivity, such as plastic or rubber, are interposed between the endothermic plate and the case back and between the case back and the thermal conduction plate.
REFERENCES:
patent: 4106279 (1978-08-01), Martin
patent: 4213292 (1980-07-01), Delelac
patent: 5517468 (1996-05-01), Inoue et al.
patent: 5705770 (1998-01-01), Ogasasara et al.
Patent Abstracts of Japan, vol. 096, No. 006 Jun. 28, 1996.
Kawata Masayuki
Takakura Akira
Miska Vit W.
Seiko Instruments Inc.
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