公开(公告)号：US20160018788A1

公开(公告)日：2016-01-21

申请号：US14797416

申请日：2015-07-13

申请人： Seiko Instruments Inc.

发明人： Makoto MITANI ,  Kotaro WATANABE

IPC分类号： G04F5/04

CPC分类号： G04F5/04 ,  G04C10/00 ,  G04G3/00 ,  G04G19/06 ,  G04G19/08 ,  H02M3/1563

摘要： To provide an analog electronic timepiece which prevents a crystal oscillation circuit from malfunctioning even if a battery voltage is lowered at motor loading. An analog electronic timepiece is equipped with a crystal vibrator, an oscillation circuit, a frequency division circuit, a constant voltage circuit, an output control circuit, and a motor. The analog electronic timepiece is configured in such a manner that the constant voltage circuit has a voltage holding circuit connected between a gate of an output transistor and a power supply terminal, and the oscillation circuit and the frequency division circuit are operated with a constant voltage generated by the constant voltage circuit as a power supply.

摘要翻译： 为了提供即使在电动机负载下电池电压降低的情况下也能防止晶体振荡电路发生故障的模拟电子钟表。 模拟电子钟表配备有晶体振子，振荡电路，分频电路，恒压电路，输出控制电路和电动机。 模拟电子钟表被配置成使得恒压电路具有连接在输出晶体管的栅极和电源端子之间的电压保持电路，并且以产生的恒定电压来操作振荡电路和分频电路 由恒压电路作为电源。

公开(公告)号：US09128467B2

公开(公告)日：2015-09-08

申请号：US13534152

申请日：2012-06-27

申请人： Yoshinori Sugai

发明人： Yoshinori Sugai

IPC分类号： G04G19/08 ,  G04C10/00 ,  G04C10/02

CPC分类号： G04C10/02 ,  G04C10/00 ,  G04G19/08

摘要： An electronic instrument has a power unit configured to allow insertion of a cell and to supply an electric power output from the inserted cell, a charging unit configured to charge the cell inserted in the power unit, and a voltage detecting unit configured to detect a voltage value of the cell inserted in the power unit. A cell type determining unit is configured to determine that the cell inserted in the power unit is a secondary cell as a rechargeable battery when the voltage value detected by the voltage detecting unit is a value equal to or lower than a predetermined threshold value and to determine that the cell inserted in the power unit is a primary cell as a non-rechargeable battery when the voltage value detected by the voltage detecting unit is larger than the predetermined threshold value.

摘要翻译： 一种电子仪器，其具有能够插入单元并供给从插入单元输出的电力的功率单元，配置为对插入在电力单元中的单元进行充电的充电单元，以及电压检测单元， 插入电源单元中的单元的值。 小区类型确定单元被配置为当由电压检测单元检测的电压值是等于或低于预定阈值的值时，确定插入电力单元中的单元是二次电池作为可再充电电池，并且确定 当由电压检测单元检测到的电压值大于预定阈值时，插入功率单元中的电池是作为不可再充电电池的主电池。

公开(公告)号：US20150106643A1

公开(公告)日：2015-04-16

申请号：US14174852

申请日：2014-02-07

申请人： Wistron Corporation

发明人： Chih-Yang Lin ,  Ming-Chen Chiu ,  I-Ta Tseng

IPC分类号： G06F11/30

CPC分类号： G06F1/14 ,  G01R19/0084 ,  G01R19/16542 ,  G01R31/2813 ,  G01R31/40 ,  G04G19/02 ,  G04G19/08 ,  G06F1/26 ,  G06F1/28

摘要： A detecting circuit and a configuration status detecting method of a Real-Time Clock (RTC) battery and an electronic apparatus using the same are provided. The detecting circuit includes a power capturing unit, a voltage dividing unit and an output unit. The power capturing unit couples to a power supply output terminal of the RTC battery and captures a power supply signal from the power supply output terminal in response to a detecting-controlled signal. The voltage dividing unit couples to the power capturing unit and is configured to divide the power supply signal captured by the power capturing unit to generate a dividing signal. The output unit couples to the voltage dividing unit to receive the dividing signal, where the output unit generates a detecting result signal related to a configuration status of the RTC battery according to the dividing signal.

摘要翻译： 提供了一种实时时钟（RTC）电池的检测电路和配置状态检测方法以及使用其的电子设备。 检测电路包括功率捕获单元，分压单元和输出单元。 功率捕获单元耦合到RTC电池的电源输出端子，并响应于检测控制信号从电源输出端子捕获电源信号。 分压单元耦合到功率捕获单元，并且被配置为将由功率捕获单元捕获的电源信号划分以产生分频信号。 输出单元耦合到分压单元以接收分频信号，其中输出单元根据分频信号产生与RTC电池的配置状态相关的检测结果信号。

公开(公告)号：US20040246821A1

公开(公告)日：2004-12-09

申请号：US10851435

申请日：2004-05-21

发明人： Teruhiko Fujisawa

IPC分类号： G04C003/00 ,  G04B001/00 ,  H04Q011/00 ,  H04L012/50

CPC分类号： G04G19/12 ,  G04G19/08

摘要： When a time keeping apparatus is in a power saving mode, performing time display is stopped, and the apparatus periodically receives a time data from outside and sets the data to a second time counter 98 and an hour-and-minute time counter 99. When the operation mode of the time keeping apparatus is switched from the power saving mode to the display mode, the apparatus resumes to display the current time based on the counted values in the second time counter 98 and the hour and minute time counter 99.

摘要翻译： 当时间保持装置处于省电模式时，停止执行时间显示，并且设备周期性地从外部接收时间数据，并将数据设置到第二时间计数器98和时分计时器99。当 时间保持装置的操作模式从省电模式切换到显示模式，装置根据第二时间计数器98和时分计数器99中的计数值恢复显示当前时间。

公开(公告)号：US20030146755A1

公开(公告)日：2003-08-07

申请号：US10343503

申请日：2003-02-03

发明人： Koji Kitazawa ,  Hajime Kurihara ,  Motomu Hayakawa ,  Tsukasa Kosuda ,  Katsuyuki Honda

IPC分类号： G05D003/12 ,  G01N027/416 ,  G05D009/00

CPC分类号： G04G19/08 ,  G04C10/00 ,  G09G2330/02

摘要： A voltage and internal resistance of a battery are measured in advance as its capacity decreases. In a flash memory of a device powered by the battery, voltages necessary to drive a motor, an EL display, and a bezel input unit are stored. By comparing the voltage of the battery with a resistor connected as a dummy load and the voltage read from the flash memory, it can be determined whether it is possible to drive the motor, the EL display, or the bezel input unit.

摘要翻译： 预先测量电池的电压和内部电阻，因为其容量降低。 在由电池供电的设备的闪存中，存储驱动电动机，EL显示器和边框输入单元所需的电压。 通过将电池的电压与作为虚拟负载连接的电阻和从闪存读取的电压进行比较，可以确定是否可以驱动电动机，EL显示器或边框输入单元。

公开(公告)号：US6144621A

公开(公告)日：2000-11-07

申请号：US116907

申请日：1998-07-17

申请人： Masahiro Sase

发明人： Masahiro Sase

IPC分类号： G04C3/00 ,  G01R31/36 ,  G04C10/04 ,  G04G19/00 ,  G04G19/08 ,  G04B1/00

CPC分类号： G04G19/08

摘要： A charging type electronic timepiece of the present invention is configured such that a return to a correct time display is achieved after the recovery of the voltage on the basis of time information held by a circuit in case the power-supply voltage has dropped to such an extent as to prohibit a motor drive without causing any interruption of oscillation (a stop of issue of reference signals) and such that in case the extent of the voltage drop is such as to cause an interruption of oscillation, a stop alarm display is given first after the voltage recovery through a storage of the fact of the interruption of the circuit since correct time information is no longer expected to be held by the circuit. This allows the charging type electronic timepiece to minimize the inconvenience that the user must perform a time adjustment and to securely inform the user of a true necessity of time adjustment through a display of its information. It is therefore possible to provide a charging type electronic timepiece ensuring remarkable conveniences and reliability for the user.

摘要翻译： 本发明的充电式电子钟表被配置为使得在电源电压已经下降到这样的情况下，在电路保持的时间信息的基础上恢复电压之后，恢复正确的时间显示 在不引起振荡中断（停止发出参考信号）的情况下禁止电动机驱动的范围，并且在电压降的程度如此导致振荡中断的情况下，首先给出停止报警显示 在电压恢复后通过存储电路中断的事实，因为正确的时间信息不再被期望由电路保持。 这允许充电式电子表能够最小化用户必须执行时间调整的不便，并且通过显示其信息来安全地通知用户时间调整的真正必要性。 因此，可以提供一种充电式电子钟表，为用户提供了显着的便利性和可靠性。

公开(公告)号：US4303997A

公开(公告)日：1981-12-01

申请号：US123844

申请日：1980-02-22

申请人： Toshiaki Saito

发明人： Toshiaki Saito

IPC分类号： G04C3/14 ,  G04C21/02 ,  G04G13/00 ,  G04G13/02 ,  G04G19/08 ,  G04C21/16

CPC分类号： G04G19/08

摘要： Since a button-type battery having the minimum capacity is used for wristwatch, the battery voltage is dropped when power is temporarily consumed. When a step motor consuming much power every second and a buzzer for alarm mechanism operate at the same time, current in quantities flows into these two loads. In result, the battery voltage is dropped and the wristwatch runs down. Therefore, this invention aims to shift the timings of those loads' operations.

摘要翻译： 由于手表使用具有最小容量的按钮式电池，因此当电力暂时消耗时，电池电压下降。 当步进电机每秒消耗大量功率和报警机构的蜂鸣器同时工作时，电流流入这两个负载。 结果，电池电压下降，手表跌落。 因此，本发明旨在改变这些负载操作的时序。

公开(公告)号：US4016476A

公开(公告)日：1977-04-05

申请号：US630811

申请日：1975-11-11

申请人： Shigeru Morokawa ,  Fukuo Sekiya

发明人： Shigeru Morokawa ,  Fukuo Sekiya

IPC分类号： G04G19/04 ,  G04G19/08 ,  H02M3/07 ,  H03K5/003 ,  H03K5/02 ,  H03K19/0185 ,  H03K19/094 ,  H02M7/00

CPC分类号： H03K19/018507 ,  G04G19/04 ,  G04G19/08 ,  H02M3/07 ,  H03K19/094 ,  H03K5/003 ,  H03K5/023

摘要： An input line carrying a square-wave voltage is connected through a capacitor to the drain and via an inverter to the gate of a MOSFET acting as a diode, the relative magnitudes of the drain and gate pulses being so chosen that the FET conducts during alternate half-cycles of the square wave whereby the capacitor is charged during nonconductive half-cycles and is fully discharged to the potential of the source of the FET during conductive half-cycles. If the source is biased by a constant voltage, a square wave in a higher voltage range is available at the drain. If the source is connected to potential through another capacitance, a d-c voltage is available at that electrode. Complementary MOSFET/diodes can be connected in push-pull or in cascade to amplify the input voltage; they may also be combined with supplementary voltage boosters including cascaded stages composed of ordinary diodes and capacitors. The MOSFET/diode may be part of an electronic clock drive.

摘要翻译： 承载方波电压的输入线通过电容器连接到漏极，并且通过反相器连接到用作二极管的MOSFET的栅极，所以选择漏极和栅极脉冲的相对幅度，使得FET在交替期间导通 方波的半周期，由此电容器在非导通半周期期间被充电，并且在导电半周期期间完全放电到FET源极的电位。 如果源被恒定电压偏置，则在漏极处可获得较高电压范围内的方波。 如果源极通过另一个电容连接到电位，那么在该电极处可以获得d-c电压。 互补MOSFET /二极管可以以推挽或级联方式连接，以放大输入电压; 它们还可以与包括由普通二极管和电容器组成的级联级的辅助升压器组合。 MOSFET /二极管可能是电子时钟驱动器的一部分。

公开(公告)号：US20170038742A1

公开(公告)日：2017-02-09

申请号：US15214858

申请日：2016-07-20

申请人： Seiko Epson Corporation

发明人： Katsuyuki Honda

IPC分类号： G04R20/02

CPC分类号： G04R20/02 ,  G01S19/34 ,  G04G19/08 ,  G04R20/04

摘要： An electronic timepiece and control method of an electronic timepiece prevent system shutdowns due to a voltage drop, and increase opportunities to acquire time information. An electronic timepiece 1 has a reception module 50 that receives satellite signals; a storage battery 24 that supplies drive power; a voltage detection circuit 74 that detects the voltage of the storage battery 24; a temperature detector 67 that detects temperature; a reception command unit that instructs receiving satellite signals; and a reception controller that executes a reception process to receive satellite signals in response to a command from the reception command unit. The reception controller executes the reception process when the detected battery voltage is greater than or equal to a threshold set for the detected temperature, and does not execute the reception process when the reserve power is less than the threshold.

摘要翻译： 电子钟表的电子钟表和控制方法防止系统由于电压下降而关闭，并增加获取时间信息的机会。 电子钟表1具有接收卫星信号的接收模块50; 提供驱动电力的蓄电池24; 检测蓄电池24的电压的电压检测电路74; 检测温度的温度检测器67; 指示接收卫星信号的接收命令单元; 以及接收控制器，其执行接收处理以响应于来自所述接收命令单元的命令接收卫星信号。 当检测到的电池电压大于或等于为检测温度设定的阈值时，接收控制器执行接收处理，并且当预留功率小于阈值时不执行接收处理。

公开(公告)号：US08971154B2

公开(公告)日：2015-03-03

申请号：US12502933

申请日：2009-07-14

申请人： Zhiyu Wei

发明人： Zhiyu Wei

IPC分类号： G04C13/00 ,  G04G19/08 ,  G04R20/00

CPC分类号： G04G19/08 ,  G04R20/00

摘要： A method and apparatus for synchronizing a system time in an electronic device are provided. The method may include: when the electronic device is executing a boot process, disabling an external time obtaining function of the electronic device for obtaining an external reference time, obtaining an internal clock time from an internal clock unit of the electronic device and synchronizing a system time of the electronic device with the internal clock time; and when the electronic device has completed the boot process, enabling the external time obtaining function to obtain the external reference time.

摘要翻译： 提供了一种用于在电子设备中同步系统时间的方法和装置。 该方法可以包括：当电子设备正在执行引导过程时，禁用用于获得外部参考时间的电子设备的外部时间获取功能，从电子设备的内部时钟单元获取内部时钟时间并同步系统 电子设备的时间与内部时钟时间; 并且当电子设备完成启动过程时，使外部时间获取功能获得外部参考时间。