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    • 10. 发明公开
    • Input device for an electronic timepiece
    • 用于电子计时器的输入装置
    • EP0198576A3
    • 1987-04-08
    • EP86300999
    • 1986-02-13
    • SEIKO INSTRUMENTS & ELECTRONICS LTD.
    • Inoue, Yuichi
    • G04G01/00
    • G04C3/005
    • 57 An electronic timepiece on whose case (2) there is mounted an indicia-carrying member (1) which may be moved relatively to the case (2) so as to bring a selected indicium (6) on the indicia-carrying member 1 to a predetermined indicating position (5), an electrical circuit comprising a plurality of switch pins (8a, 8 b, 8c) engageable with the indicia-carrying member (1) or means (7) secured thereto, and an electronic device (21), controlled by said electrical circuit, responsive to the position of the indicia-carrying member (1) characterised in that the indicia-carrying member (1) or means (7) secured thereto has a pattern of electrically conductive and non-conductive areas over which the switch pins (8a, 8b , 8c) pass when the indicia-carrying member (1) is moved over the case (2), at least one portion (7a) of said pattern having a shape which differs from that of the other portions thereof so that, when a switch pin (8a, 8b, 8c)is in contact with said one portion (7a), the electrical signals which are sent to the electronic device (21) can be distinguished thereby from the electrical signals which are sent thereto when there is no switch pin (8 a, 8b, 8c) in contact with said one portion (7a).