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公开(公告)号：US20170060096A1
公开(公告)日：2017-03-02
申请号：US15244178
申请日：2016-08-23
Applicant: SEIKO INSTRUMENTS INC.
Inventor： Kazumi SAKUMOTO , Kotaro WATANABE , Minoru SANO
CPC classification number: G04G19/12
Abstract: An electronic timepiece which can reduce currents flowing in a pull-down resistor or a pull-up resistor when a crown switch is turned on includes a first switch that is connected to a signal line, a second switch, and a one-shot pulse signal generation circuit. The first switch is inserted into the signal line. One end of the second switch is connected to the signal line on a rear stage of the first switch. The other end of the second switch is connected to a power source. The one-shot pulse signal generation circuit generates a one-shot pulse signal by using a reference clock signal. The second switch is controlled by the one-shot pulse signal.
Abstract translation: 当冠状开关接通时，可以减少在下拉电阻或上拉电阻中流动的电流的电子钟表包括连接到信号线，第二开关和单触发脉冲信号的第一开关 一代电路。 第一个开关插入信号线。 第二开关的一端连接到第一开关的后级上的信号线。 第二开关的另一端连接到电源。 单触发脉冲信号产生电路通过使用参考时钟信号产生单触发脉冲信号。 第二个开关由单触发脉冲信号控制。
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公开(公告)号：US20160139569A1
公开(公告)日：2016-05-19
申请号：US14938968
申请日：2015-11-12
Applicant: SEIKO INSTRUMENTS INC.
Inventor： Kosuke YAMAMOTO , Kenji OGASAWARA , Kazuhiro KOYAMA , Kazumi SAKUMOTO , Tamotsu MAESAWA , Tomohiro IHASHI , Ayumi MATSUMOTO , Akira TAKAKURA
CPC classification number: G04G19/06 , G04C10/02 , G04G3/00 , G04G17/02 , G04G19/00 , G04G19/08 , G04G19/10
Abstract: An electronic timepiece includes a solar power source, a voltage stabilizer circuit that generates a constant voltage by using power supplied from the solar power source, and a control circuit that clocks the time by driving a rotating body at first hand operation speed and at second hand operation speed which is faster than the first hand operation speed. The control circuit selects a voltage of the solar power source so as to drive the rotating body in a case of the first hand operation speed, and selects at least any one voltage of the constant voltage and the voltage of the solar power source so as to drive the rotating body in a case of the second hand operation speed.
Abstract translation: 电子钟表包括：太阳能电源，通过使用从太阳能电源供给的电力产生恒定电压的稳压电路;以及控制电路，其通过以第一手操作速度驱动旋转体和秒针来控制时间 操作速度比第一手操作速度快。 控制电路在第一手操作速度的情况下选择太阳能源的电压以驱动旋转体，并且选择太阳能源的恒定电压和电压的至少一个电压，以便 在二手操作速度的情况下驱动旋转体。
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3.发明申请公开(公告)号：US20140071794A1
公开(公告)日：2014-03-13
申请号：US14013120
申请日：2013-08-29
Applicant: SEIKO INSTRUMENTS INC.
Inventor： Kosuke YAMAMOTO , Saburo MANAKA , Kazumi SAKUMOTO , Kenji OGASAWARA , Keishi HONMURA , Satoshi SAKAI
Abstract: A stepping motor control circuit includes: a rotation detection unit that detects a induced signal exceeding a predetermined reference threshold voltage which is generated by a stepping motor in a detection section divided into at least three sections, and detects a rotation state on the basis of a pattern indicating whether the induced signal exceeding a reference threshold voltage is detected in each of the sections; and a control unit that selects a main drive pulse depending on the rotation state detected by the rotation detection unit from a plurality of main drive pulses which are different from each other in energy, and drives the stepping motor. When the induced signal exceeding a reference threshold voltage is not detected in an initial section, the rotation detection unit detects the induced signal by shifting an end position of at least one section other than the initial section to a rear side by a predetermined amount.
Abstract translation: 步进电机控制电路包括：旋转检测单元，其检测超过由划分为至少三个部分的检测部中由步进电机产生的预定参考阈值电压的感应信号，并基于 指示在每个部分中是否检测到超过参考阈值电压的感应信号的模式; 以及控制单元，其根据由旋转检测单元检测的旋转状态，从能量彼此不同的多个主驱动脉冲中选择主驱动脉冲，并驱动步进电机。 当在初始部分中没有检测到超过参考阈值电压的感应信号时，旋转检测单元通过将除了初始部分之外的至少一个部分的结束位置向后侧移动预定量来检测感应信号。
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公开(公告)号：US20160266554A1
公开(公告)日：2016-09-15
申请号：US15035691
申请日：2014-10-17
Applicant: SEIKO INSTRUMENTS INC.
Inventor： Kenji OGASAWARA , Akira TAKAKURA , Kazumi SAKUMOTO , Tamotsu MAESAWA , Kazuhiro KOYAMA , Tomohiro IHASHI , Kosuke YAMAMOTO , Ayumi MATSUMOTO
Abstract: An electronic device includes at least an acquisition unit, an input unit, a time correction amount calculation unit, and a transmitting unit. A timepiece includes at least a receiving unit, a power storage unit, a drive unit, and a control unit. The input unit receives an input of the time displayed by the display unit of the timepiece. The time correction amount calculation unit calculates a time correction amount for correcting the time of the timepiece from a difference between the time, the input of which is received by the input unit and the current time acquired by the acquisition unit. The transmitting unit transmits the time correction amount to the timepiece by using light. The receiving unit receives the time correction amount. The power storage unit stores electricity by using power converted from the light. The drive unit drives the indicating hand. The control unit corrects the time displayed by the indicating hand, based on the time correction amount received, by the receiving unit . The control unit controls a power storage period in the power storage unit and a receiving period in the receiving unit so as to receive the time correction amount in the receiving period.
Abstract translation: 电子设备至少包括获取单元，输入单元，时间校正量计算单元和发送单元。 钟表至少包括接收单元，蓄电单元，驱动单元和控制单元。 输入单元接收由钟表的显示单元显示的时间的输入。 时间校正量计算单元根据由输入单元接收的时间与由获取单元获取的当前时间之间的差来计算用于校正时钟的时间的时间校正量。 发送单元通过使用光将时间校正量发送到时计。 接收单元接收时间校正量。 电力存储单元通过使用从光转换的电力来存储电力。 驱动单元驱动指示手。 控制单元基于由接收单元接收的时间校正量来校正由指示手显示的时间。 控制单元控制蓄电单元的蓄电期间和接收单元的接收期间，以便在接收期间内接收时间校正量。
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5.发明申请公开(公告)号：US20140071795A1
公开(公告)日：2014-03-13
申请号：US14013146
申请日：2013-08-29
Applicant: SEIKO INSTRUMENTS INC.
Inventor： Saburo MANAKA , Kenji OGASAWARA , Kazumi SAKUMOTO , Keishi HONMURA , Kosuke YAMAMOTO , Satoshi SAKAI
Abstract: A rotation detection circuit detects an induced current flowing through a drive coil of a stepping motor in a detection section divided into a plurality of sections, and detects a rotation state of the stepping motor on the basis of a pattern indicating whether or not the induced current exceeds a predetermined reference value in each of the sections. A control unit selects a drive pulse corresponding to the rotation state detected by the rotation detection unit, and supplies a drive current to a drive coil to rotatably drive the stepping motor. The rotation detection unit carries out detection by selecting a detection direction of the induced current in the sections after the first section on the basis of whether or not the induced current exceeding each of a plurality of reference values is detected plural times in the first section.
Abstract translation: 旋转检测电路检测在划分为多个部分的检测部中流过步进电动机的驱动线圈的感应电流，并且基于表示感应电流的图案来检测步进电动机的旋转状态 在每个部分中超过预定的参考值。 控制单元选择与由旋转检测单元检测到的旋转状态对应的驱动脉冲，并向驱动线圈提供驱动电流以可旋转地驱动步进电机。 旋转检测单元基于在第一部分中是否检测到多个参考值中的每一个以上的感应电流被多次检测，在第一部分之后的部分中选择感应电流的检测方向来进行检测。
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Patent Agency Ranking
6.发明申请公开(公告)号：US20130170328A1
公开(公告)日：2013-07-04
申请号：US13713060
申请日：2012-12-13
Applicant: SEIKO INSTRUMENTS INC.
Inventor： Saburo MANAKA , Kenji OGASAWARA , Kazumi SAKUMOTO , Keishi HONMURA , Kosuke YAMAMOTO
IPC: G04C3/14
Abstract: A rotation detection unit configured to detect the condition of rotation of a stepping motor on the basis of an induced signal generated in a drive coil of the stepping motor in a detection period in which the condition of rotation of the stepping motor is detected and a control unit configured to rotationally drive the stepping motor by supplying a drive signal to the drive coil of the stepping motor within the driving period in which the stepping motor is rotationally driven are provided. The driving period and part of the detection period are configured to overlap with each other in a first time interval, and the control unit stops supply of the drive signal to the drive coil of the stepping motor in the first time interval.
Abstract translation: 一种旋转检测单元，被配置为在检测步进电动机的旋转条件的检测时段中，基于在步进电动机的驱动线圈中产生的感应信号来检测步进电动机的旋转状态， 通过在步进电动机旋转驱动的驱动期间内设置驱动步进电动机的驱动信号的单元，该驱动信号被提供给步进电动机的驱动线圈。 驱动期间和检测期间的一部分被配置为在第一时间间隔内彼此重叠，并且控制单元在第一时间间隔内停止向步进电机的驱动线圈供应驱动信号。
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公开(公告)号：US20170075310A1
公开(公告)日：2017-03-16
申请号：US15122619
申请日：2014-11-18
Applicant: SEIKO INSTRUMENTS INC.
Inventor： Tamotsu MAESAWA , Kazumi SAKUMOTO , Keisuke TSUBATA , Tetsuya NOBE
CPC classification number: G04C10/02 , G04G19/00 , G04G21/04 , H01L31/02021 , H02J7/35 , H02S40/38 , Y02E10/50
Abstract: A proposed electronic apparatus is capable of charging a secondary battery and performing data communication using a solar cell while suppressing effects of ambient light even when the intensity of light radiated to the solar cell is low. The electronic apparatus includes a control circuit 202 and a resistance 205. The control circuit 202 receives data based on an output voltage of a solar cell 201. The resistance 205 is connected between electrodes of the solar cell 201. The control circuit 202 controls a resistance value of the resistance 205 based on whether during an operation of receiving data or not.
Abstract translation: 所提出的电子设备能够对二次电池充电，并且即使当照射到太阳能电池的光的强度低时也能够使用太阳能电池进行数据通信，同时抑制环境光的影响。 电子设备包括控制电路202和电阻205.控制电路202基于太阳能电池201的输出电压接收数据。电阻205连接在太阳能电池201的电极之间。控制电路202控制电阻 基于是否在接收数据的操作期间电阻205的值。
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公开(公告)号：US20160080078A1
公开(公告)日：2016-03-17
申请号：US14854931
申请日：2015-09-15
Applicant: SEIKO INSTRUMENTS INC.
Inventor： Kenji OGASAWARA , Akira TAKAKURA , Kazumi SAKUMOTO , Tamotsu MAESAWA , Kazuhiro KOYAMA , Tomohiro IHASHI , Kosuke YAMAMOTO , Ayumi MATSUMOTO
IPC: H04B10/114
CPC classification number: H04B10/114 , H04B10/116
Abstract: To perform stable communication in communication by an optical signal. An electronic device includes a display part having a light source which transmits an optical signal, a direction detection part detecting a direction of a display screen of the display part and a controller transmitting data by the optical signal from the display part to an electronic timepiece when the direction of the display screen detected by the detection part becomes a predetermined direction.
Abstract translation: 通过光信号进行通信的稳定通信。 一种电子设备包括具有发送光信号的光源的显示部分，检测显示部分的显示屏幕的方向的方向检测部分以及通过光信号将数据从显示部分发送到电子钟表的控制器， 由检测部检测到的显示画面的方向成为规定的方向。
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9.发明申请公开(公告)号：US20130182542A1
公开(公告)日：2013-07-18
申请号：US13737032
申请日：2013-01-09
Applicant: SEIKO INSTRUMENTS INC.
Inventor： Kosuke YAMAMOTO , Akira TAKAKURA , Kenji OGASAWARA , Saburo MANAKA , Kazumi SAKUMOTO , Keishi HONMURA
Abstract: A control circuit selects a drive pulse group corresponding to the detected voltage of a power cell from among plural drive pulse groups each including plural types of main drive pulses, and selects a drive pulse according to the detected condition of rotation of a stepping motor from among main drive pulses included in the selected drive pulse group or a correction drive pulse having larger energy than the main drive pulses. When the control circuit selects a main drive pulse initially by selecting the drive pulse group, the control circuit selects the main drive pulse having the largest energy in the selected drive pulse group. A drive pulse group selection circuit drives the stepping motor by the main drive pulse in the drive pulse group selected by the control circuit or the correction drive pulse via a main drive pulse output circuit and a correction drive pulse output circuit.
Abstract translation: 控制电路从包括多种主驱动脉冲的多个驱动脉冲组中选择对应于功率单元的检测电压的驱动脉冲组，并根据检测到的步进电机的旋转条件从 包括在所选择的驱动脉冲组中的主驱动脉冲或具有比主驱动脉冲更大的能量的校正驱动脉冲。 当控制电路首先通过选择驱动脉冲组选择主驱动脉冲时，控制电路选择所选择的驱动脉冲组中具有最大能量的主驱动脉冲。 驱动脉冲组选择电路通过主驱动脉冲输出电路和校正驱动脉冲输出电路，通过由控制电路选择的驱动脉冲群中的主驱动脉冲或校正驱动脉冲来驱动步进电机。
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公开(公告)号：US20200313583A1
公开(公告)日：2020-10-01
申请号：US16801816
申请日：2020-02-26
Applicant: Seiko Instruments Inc.
Inventor： Tetsuya NOBE , Satoshi SAKAI , Kazumi SAKUMOTO , Kosuke YAMAMOTO , Akihito OKUMURA
Abstract: A motor driving apparatus including a driving circuit for supplying a first pulse with which a first coil included in a two-phase stepping motor generates a first magnetic flux, a second pulse with which a second coil included in the stepping motor generates a second magnetic flux opposite to the first magnetic flux, a third pulse with which the first coil generates the second magnetic flux, and a fourth pulse with which the second coil generates the first magnetic flux, to the stepping motor. The driving circuit supplies the second pulse, the third pulse, and the fourth pulse in this order to the stepping motor in a state of being stopped to start the stepping motor, and supplies the first pulse, the second pulse, the third pulse, and the fourth pulse in this order to the stepping motor after starting to continuously drive the stepping motor.
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