Title:
電子時計
Document Type and Number:
Japanese Patent JP4376342
Kind Code:
B2
Abstract:
An electronic watch which can be small-sized even with an additional mechanism such as a calendar mechanism. In the electronic watch, a rectangular piezoelectric oscillator 32 acting as a piezoelectric actuator is forced at its end face to contact with a beam portion 35, which is mounted on a date ring 31 acting as a second indication member, thereby to drive the date ring 31.
Inventors:
Kenji Suzuki
Akihiro Iino
Akihiro Iino
Application Number:
JP5460099A
Publication Date:
December 02, 2009
Filing Date:
March 02, 1999
Export Citation:
Assignee:
Seiko Instruments Inc.
International Classes:
G04C3/00; G04C3/12; G04C17/00; H02N2/00
Domestic Patent References:
| JP587950A | ||||
| JP1132491A | ||||
| JP7184382A | ||||
| JP63231290A | ||||
| JP7333361A |
Foreign References:
| WO1999007063A1 |
Attorney, Agent or Firm:
Yoshiharu Matsushita