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Patent Searching and Data


Title:
電子時計
Document Type and Number:
Japanese Patent JP7324081
Kind Code:
B2
Abstract:
To provide an electronic timepiece 1 which improves accuracy of determination of a state of a secondary battery 60 without increasing the number of components.SOLUTION: An electronic timepiece 1 has a secondary battery 60, an acquisition unit 41 for acquiring information on a voltage change amount of the secondary battery 60 due to constant load operation performed at a predetermined time, and a determination unit 42 for determining a state of the secondary battery 60 on the basis of the information regarding to the voltage change amount.SELECTED DRAWING: Figure 2

Inventors:
Kidoguchi Asumi
Sekine Akira
Akira Kato
Application Number:
JP2019143963A
Publication Date:
August 09, 2023
Filing Date:
August 05, 2019
Export Citation:
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Assignee:
Citizen Watch Co., Ltd.
International Classes:
G04G19/00; G04C10/00; G04C10/02
Domestic Patent References:
JP2018169298A
JP2011226866A
JP2004279107A
JP2015210106A
Foreign References:
WO2008013299A1
WO1998006013A1
Attorney, Agent or Firm:
Patent Attorney Corporation Haruka International Patent Office