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    • 3. 发明授权
    • Electronic timepiece
    • 电子钟表
    • US08644117B2
    • 2014-02-04
    • US13597858
    • 2012-08-29
    • Jun MatsuzakiNorimitsu BabaKatsuyuki HondaToshikazu Akiyama
    • Jun MatsuzakiNorimitsu BabaKatsuyuki HondaToshikazu Akiyama
    • G04C11/02
    • G04R20/04
    • An electronic timepiece can improve the frequency of satellite signal reception and reduce power consumption. Such timepiece, e.g., a wristwatch has a GPS device that executes a reception process that locks onto a GPS satellite and receives satellite signals; a reception control unit that controls the reception process; and a solar panel that detects illuminance. The reception control unit includes an illuminance-based reception control unit that runs a reception process based on the detected illuminance, and a scheduled reception control unit that runs a reception process when a preset scheduled time is reached. The illuminance-based reception control unit stops reception when a satellite is not locked onto within a first locking time, and the scheduled reception control unit stops reception when a satellite is not locked onto in a second locking time that is shorter than the first locking time.
    • 电子钟表可以提高卫星信号的接收频率,降低功耗。 这样的手表,例如手表具有执行锁定在GPS卫星上并接收卫星信号的接收处理的GPS装置, 控制接收处理的接收控制单元; 以及检测照度的太阳能电池板。 接收控制单元包括基于检测到的照度进行接收处理的基于照度的接收控制单元,以及当到达预设的预定时间时进行接收处理的调度接收控制单元。 当卫星未被锁定在第一锁定时间内时,基于照度的接收控制单元停止接收,并且当卫星未被锁定在比第一锁定时间短的第二锁定时间时,调度接收控制单元停止接收 。
    • 4. 发明授权
    • Electronic timepiece
    • 电子钟表
    • US08562207B2
    • 2013-10-22
    • US13172343
    • 2011-06-29
    • Jun Matsuzaki
    • Jun Matsuzaki
    • G04C11/02
    • G04G21/04G04C10/02G04R20/02G04R60/12
    • An electronic timepiece that receives RF signals and displays information suppresses loss of antenna sensitivity to a sufficiently low level while using a metal case without sacrificing display functions. An electronic timepiece 100 has a dial 2 on the face 2a of which time is displayed, a flat antenna 11, and a metal case 3. The flat antenna 11 is disposed on the back 2b side of the dial 2 superimposed on the dial 2 in a direction perpendicular to the dial 2, extends in the plane direction of the dial 2, and receives signals passing through the dial 2. The case 3 has a wall 31 that surrounds the dial 2 and the flat antenna 11 in the plane direction of the dial 2. The flat antenna 11 and case 3 are disposed relative to each other in the plane direction of the dial 2 so that side distance b is greater than or equal to 1 time and less than or equal to 2 times antenna depth a.
    • 接收RF信号和显示信息的电子表能够在不牺牲显示功能的情况下将天线灵敏度的损失抑制在足够低的水平,同时使用金属外壳。 电子钟表100具有在显示时间的表面2a上的表盘2,平面天线11和金属外壳3.平板天线11设置在表盘2的背面2b侧,叠置在表盘2上 垂直于表盘2的方向在表盘2的平面方向上延伸,并且接收通过表盘2的信号。壳体3具有壁31,其围绕表盘2和平面天线11沿着平面方向 平板天线11和壳体3在表盘2的平面方向上相对于彼此设置,使得侧面距离b大于或等于1倍且小于或等于天线深度a的2倍。
    • 9. 发明授权
    • Timekeeping device and satellite signal reception method for a timekeeping device
    • 计时装置和卫星信号接收方法
    • US08116170B2
    • 2012-02-14
    • US12332162
    • 2008-12-10
    • Jun Matsuzaki
    • Jun Matsuzaki
    • G04C11/02G01S19/32G01S19/34
    • G01S19/34G01S19/14G01S19/24G04R20/04
    • A timekeeping device has a reception unit that captures a positioning information satellite and receives satellite signals transmitted from the captured positioning information satellite, a time information generating unit that generates time information based on the satellite signal received by the reception unit, a time display unit that displays time information, and a reception control unit that controls the reception unit. The reception control unit includes a satellite capture control unit that controls the reception unit to run the positioning information satellite capture process, a signal condition detection unit that detects the signal condition of the captured positioning information satellite, a decoding control unit that controls the reception unit to apply a decoding process to the satellite signal transmitted from the captured positioning information satellite, and a reception channel setting unit that sets the reception unit to a single satellite mode or a multi-channel mode based on the signal condition detected by the signal condition detection unit, and the reception unit sets the number of positioning information satellites that can be simultaneously captured and decoded to 1 when set to the single satellite mode, and sets the number of positioning information satellites that can be simultaneously captured and decoded to more than 1 when set to the multi-channel mode.
    • 计时装置具有捕获定位信息卫星并接收从捕获的定位信息卫星发送的卫星信号的接收单元,基于由接收单元接收的卫星信号来生成时间信息的时间信息生成单元,时间显示单元, 显示时间信息,以及控制接收单元的接收控制单元。 接收控制单元包括控制接收单元以运行定位信息卫星捕获处理的卫星捕获控制单元,检测所捕获的定位信息卫星的信号状态的信号状态检测单元,控制接收单元的解码控制单元 对从所捕获的定位信息卫星发送的卫星信号应用解码处理;以及接收信道设定单元,基于由信号状态检测检测到的信号状态,将接收单位设定为单个卫星模式或多信道模式 单元,并且当设置为单个卫星模式时,接收单元将可以同时捕获和解码的定位信息卫星的数量设置为1,并且将可以同时捕获和解码的定位信息卫星的数量设置为大于1, 设置为多通道模式。