Title:
時計
Document Type and Number:
Japanese Patent JP7408489
Kind Code:
B2
Abstract:
To provide a clock capable of improving power efficiency.SOLUTION: A clock 1 comprises: a first power storage section 6; an electrostatic induction converter 3 for converting electric power supplied from the first power storage section 6 into motive power; a second power storage section 7; a first power generation section 4 that has a first electrostatic induction type power generator 4A for generating electric power of first voltage V1 and stores the electric power of the first voltage V1 generated by the first power generator 4A in the first power storage section 6; and a second power generation section 5 that generates electric power of second voltage V2 lower than the first voltage V1 and stores the electric power of the second voltage V2 in the second power storage section 7.SELECTED DRAWING: Figure 8
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Inventors:
Toshinari Maeda
Takashi Ihara
Makoto Watanabe
Yasuo Kitajima
Takashi Ihara
Makoto Watanabe
Yasuo Kitajima
Application Number:
JP2020096868A
Publication Date:
January 05, 2024
Filing Date:
June 03, 2020
Export Citation:
Assignee:
Citizen Watch Co., Ltd.
International Classes:
G04C10/00; G04G19/00; H02N1/08
Domestic Patent References:
| JP201670846A | ||||
| JP2002323578A | ||||
| JP60211387A | ||||
| JP2010103671A | ||||
| JP2001188636A | ||||
| JP2019174454A | ||||
| JP200911149A |
Foreign References:
| WO2016114176A1 |
Attorney, Agent or Firm:
Toranomon Intellectual Property Office