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    • 1. 发明专利
      DE602004018429D1  未知
    • DE602004018429D1
    • 2009-01-29
    • DE602004018429
    • 2004-01-20
    • SEIKO EPSON CORP
    • FURUKAWA TSUNEAKI , NAGASAKA EIICHI , FUKUI KOJI
    • G04F8/02 , G04C3/00 , G04C3/14 , G04F7/08 , G04F8/00 , G04F8/08 , G04G21/02
    • There is provided a multifunction timepiece wherein the visibility of pointers can be improved, and increases in the thickness of the timepiece can be reduced. This timepiece comprises a dial, an hour hand, a minute hand, a pointer, and a movement. The dial has a dial cover and a time display section on the inner periphery thereof. The hour hand is mounted on the time display section and has an hour hand rotating shaft disposed at a different position from the center position of the time display section. The minute hand is mounted on the time display section and has a minute hand rotating shaft disposed at a different position from the center position of the time display section. The pointer is mounted on the time display section and has a pointer rotating shaft. The dimension A from the pointer rotating shaft to the tip of the pointer is greater than the dimension B from the minute hand rotating shaft to the tip of the minute hand. The pointer rotating shaft is disposed at a position away from the hour hand rotating shaft by a distance less than dimension A and greater than dimension B. The movement drives the hour hand, the minute hand, and the pointer.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 6. 发明专利
      DE69510726D1  未知
    • DE69510726D1
    • 1999-08-19
    • DE69510726
    • 1995-05-10
    • SEIKO EPSON CORP
    • FURUKAWA TSUNEAKI , FURUTA NAOSHI , SAKAMOTO YUMI , YOSHIDA KAZUKO
    • B63C11/02 , G01C13/00 , G04G99/00 , G04G1/00
    • A safe and error-free depth measuring device suitable for use in a diver's watch. The pressing of a switch (5A) switches the diver's watch for water depth measuring mode. The output of a pressure sensor (6) is converted by an A/D converter circuit (17) into a digital signal as an initial measured value Da(1). When the initial measured value falls within a range defined by first and second comparative values, D1, D2, this initial measured value is adopted as an initial value. When the initial measured value is smaller than the first comparative value D1, a first value set is used as the initial value. When the initial measured value is greater than the second comparative value D2, a second value set is used as the initial value. The first and second comparative values D1, D2 are values which are not output under normal operating conditions. Namely, D1 is expected in an extraordinarily high altitude area (550 hPa pressure equivalent to 4800 m from sea level). The second comparative value D2 is expected when the watch is switched underwater (1200 hPa equivalent to 3 m deep underwater). By setting the first and second depth values, the watch is free from error even if the watch is switched on, for example, underwater.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 8. 发明专利
      DE69510726T2  未知
    • DE69510726T2
    • 1999-12-02
    • DE69510726
    • 1995-05-10
    • SEIKO EPSON CORP
    • FURUKAWA TSUNEAKI , FURUTA NAOSHI , SAKAMOTO YUMI , YOSHIDA KAZUKO
    • B63C11/02 , G01C13/00 , G04G99/00 , G04G1/00
    • A safe and error-free depth measuring device suitable for use in a diver's watch. The pressing of a switch (5A) switches the diver's watch for water depth measuring mode. The output of a pressure sensor (6) is converted by an A/D converter circuit (17) into a digital signal as an initial measured value Da(1). When the initial measured value falls within a range defined by first and second comparative values, D1, D2, this initial measured value is adopted as an initial value. When the initial measured value is smaller than the first comparative value D1, a first value set is used as the initial value. When the initial measured value is greater than the second comparative value D2, a second value set is used as the initial value. The first and second comparative values D1, D2 are values which are not output under normal operating conditions. Namely, D1 is expected in an extraordinarily high altitude area (550 hPa pressure equivalent to 4800 m from sea level). The second comparative value D2 is expected when the watch is switched underwater (1200 hPa equivalent to 3 m deep underwater). By setting the first and second depth values, the watch is free from error even if the watch is switched on, for example, underwater.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
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