Electronic timepiece with solar cell
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United States of America Patent
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Jul 22, 2014
Grant Date -
Jun 13, 2013
app pub date -
Dec 7, 2012
filing date -
Dec 9, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
To provide an electronic timepiece with a solar cell whereby a movement can be reduced in size and whereby a calendar function using a calendar wheel can be achieved, an electronic timepiece with a solar cell is provided with: a solar cell, a character plate, a ground plate arranged on a back surface of the solar cell, a ring-shaped date wheel arranged between the character plate and the ground plate, and a circuit board electrically connected to an electrode of the solar cell via a conduction spring. The conduction spring is arranged on the inside of the date wheel when in plan view seen from the character plate side. In comparison to a case where a conduction spring is provided to the outside of a date wheel, the movement can be reduced in size, and because the date wheel can be arranged, a calendar function can be achieved.
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