Class / Patent application number | Description | Number of patent applications / Date published |
368155000 | ELECTRICAL TIME BASE | 28 |
20090135678 | ELECTRONIC CIRCUIT CONTROLLING THE OPERATION OF PERIPHERAL MEMBERS OF THE WATCH - The electronic circuit ( | 05-28-2009 |
20090180357 | ATOMIC BEAM OPTICAL FREQUENCY ATOMIC CLOCK AND A PRODUCING METHOD THEREOF - An atomic clock at optical frequency based on atomic beam and a method for generating the atomic clock comprises: The atomic beam ( | 07-16-2009 |
20090238044 | Electronic Clock - Provided is an electronic clock which makes no erroneous determination of rotation detection and suppresses unnecessary current consumption even when being provided with the second hand having a large moment of inertia. The electronic clock uses a first detection mode determination circuit | 09-24-2009 |
20100220558 | Real Time Clock - Various apparatuses, methods and systems for a real time clock are disclosed herein. For example, some embodiments provide a real time clock including a clock generator having a first input connected to a clock signal and a second input connected to a time set signal. The clock generator produces a time change signal at an output of the clock generator. Counters, each adapted to track a different unit of time, are connected to the time change signal. The clock generator is adapted to generate a pulse on the time change signal for each pulse of the time set signal, and to generate separate pulses on the time change signal for consecutive pulses on the clock signal and the time set signal. | 09-02-2010 |
20120300597 | ELECTRONIC TIMEPIECE - Lubricating apparatuses ( | 11-29-2012 |
20140362671 | ELECTRONIC MOVEMENT INCLUDING A MOTOR FOR A TIMEPIECE - The electronic timepiece movement ( | 12-11-2014 |
20150085625 | STEPPING MOTOR AND TIMEPIECE PROVIDED WITH STEPPING MOTOR - Disclosed is a stepping motor including a rotor, a plurality of coils and a switching mechanism. The stepping motor simultaneously or sequentially applies driving pulses to the coils to rotate the rotor by a predetermined step angle, and while the driving pulses are being applied to part of the coils, the switching mechanism switches the rest of the coils other than the part of the coils driven by the driving pulses into a high impedance state. | 03-26-2015 |
20150124571 | MEASUREMENT INFORMATION MANAGEMENT SYSTEM, MEASUREMENT DEVICE, MEASUREMENT INFORMATION MANAGEMENT METHOD, AND MEASUREMENT INFORMATION MANAGEMENT PROGRAM - A measurement information management system includes: a measurement device; and a mobile information device, in which the measurement device includes a detail information generation unit which generates detail information including position information obtained by measuring position information, a title information transmission unit which transmits title information for identifying the detail information to the mobile information device, and a detail information transmission unit which transmits the detail information to the mobile information device according to a transmission request signal, and the mobile information device includes a detail information request unit which transmits the transmission request signal of the detail information of which the estimated transfer time necessary for transmitting the detail information corresponding to the title information transmitted from the measurement device from the measurement device to the mobile information device is determined to be shorter than a predetermined threshold value set in advance, to the measurement device. | 05-07-2015 |
20160098014 | MOTOR DRIVER DEVICE WITH A HOROLOGICAL MOTOR DRIVER AND AN ASSOCIATED CONFIGURATION CIRCUIT - The motor driver of an horological motor consumes an important part of the electrical energy of the electronic circuit due to the fact that configuration data has to be transferred to configuration registers before each turn/step. In order to reduce the power consumption a circuitry is proposed, which detects a change in at least one of the configuration registers. This detection is used to trigger a refresh of the configuration registers only when actually a change in at least one of these configuration registers occurs. | 04-07-2016 |
20160139569 | ELECTRONIC TIMEPIECE AND CONTROL METHOD OF ELECTRONIC TIMEPIECE - 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. | 05-19-2016 |
368156000 | Solid state oscillating circuit type | 12 |
20140204720 | CONSTANT VOLTAGE CIRCUIT AND ANALOG ELECTRONIC CLOCK - There are provided a constant voltage circuit that features low current consumption and stable operation, and an analog electronic clock provided with the constant voltage circuit. The constant voltage circuit includes a differential amplifier circuit which is turned on/off by a predetermined signal and which controls the voltage of a gate of an output transistor on the basis of a reference voltage and a feedback voltage that are received, a switch circuit which is connected to an output terminal of the differential amplifier circuit and which is turned on/off by a predetermined signal, and a voltage holding circuit which is connected between the gate of the output transistor and a power supply terminal and which has a resistor and a capacitor connected in series. An analog electronic clock provided with the foregoing constant voltage circuit that supplies a voltage to at least an oscillation circuit and a frequency division circuit. | 07-24-2014 |
368157000 | For reciprocating or oscillating element | 11 |
20080316871 | Drive Device, Particularly for a Clockwork Mechanism - A drive device formed by etching a wafer. The drive device includes a drive element that can sequentially mesh with a driven element and an actuating element that can displace the drive element according to a hysteresis movement thereby driving the driven element. Placement of the drive element on an outer edge of the wafer enables an interfacing of the drive element with a driven element placed opposite therefrom. A clockwork mechanism including a drive device of the aforementioned type and an input gear that can be rotationally driven by the drive device is also provided. | 12-25-2008 |
20140198626 | PIEZOELECTRIC MOTOR, LIQUID EJECTING APPARATUS, AND CLOCK - A piezoelectric motor includes a piezoelectric element having a piezoelectric layer, and a first and a second electrodes, the first electrode provided on one surface side of the piezoelectric layer, and the second electrode provided on the other surface side of the piezoelectric layer; a piezoelectric actuator having a vibrating member anchored to the first electrode of the piezoelectric element; and a rotational shaft with which the vibrating member makes contact and is rotated thereby. The piezoelectric layer includes a vertical vibration excitation region, provided toward the center of the piezoelectric layer in the widthwise direction, that elicits vertical vibrations, and two groups of bending vibration excitation regions, one group disposed on either side of the vertical vibration excitation region so that two opposing diagonal pairs are formed; and the polarization direction of the vertical vibration excitation region and one of the groups of the bending vibration excitation regions in the piezoelectric layer is inverted relative to the other group of the bending vibration excitation regions. | 07-17-2014 |
368158000 | Balance wheel type | 1 |
20140064044 | RESONATOR WITH MATCHED BALANCE SPRING AND BALANCE - The invention relates to a resonator comprising a balance spring formed in a single crystal quartz with crystallographic axes x, y, z, where the x axis is the electrical axis and the y axis is the mechanical axis, and cooperating with a balance. According to the invention, the thermal expansion coefficient of the balance is comprised between +6 ppm.° C | 03-06-2014 |
368159000 | Crystal | 8 |
20090257320 | RESONATOR, UNIT HAVING RESONATOR, OSCILLATOR HAVING UNIT AND ELECTRONIC APPARATUS HAVING OSCILLATOR - An electronic apparatus comprises a display portion and at least one oscillating circuit comprising an amplifier, at least one resistor, a plurality of capacitors, and a unit having a case and a resonator. The resonator is vibratable in a flexural mode and has first and second vibrational arms, and at least one groove is formed in at least one of opposite main surfaces of each of the first and second vibrational arms, and at least one mounting arm protrudes from the base portion and extends in a common direction with at least one of the first and second vibrational arms. An output signal of the at least one oscillating circuit comprising the resonator is a clock signal for use in operation of the electronic apparatus to display time information at the display portion. | 10-15-2009 |
20100080088 | TIME BASE DEVICE FOR A WATCH - The time base device for a watch includes at least one electric motor coil ( | 04-01-2010 |
20100246340 | RESONATOR MOUNTED IN A CASE INCORPORATING A WATCH MODULE - The invention concerns an electronic watch comprising an electric motor ( | 09-30-2010 |
20110305120 | FIRST AND SECOND ORDERS TEMPERATURE-COMPENSATED RESONATOR - The invention relates to a temperature-compensated resonator including a body used in deformation, wherein the core ( | 12-15-2011 |
20120039153 | PIEZOELECTRIC VIBRATION PIECE, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC DEVICE AND RADIO-CONTROLLED TIMEPIECE - A piezoelectric vibration piece that can ensure good drive level characteristics and a piezoelectric vibrator, oscillator, electronic device and radio-controlled timepiece in which the piezoelectric vibration piece is used are provided. The width of the base-end side of the grooves | 02-16-2012 |
20140192628 | PIEZOELECTRIC VIBRATING PIECE, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC APPARATUS, AND RADIO-CONTROLLED TIMEPIECE - A piezoelectric vibrating piece includes a pair of vibrating arm portions, a base portion which is arranged between a pair of vibrating arm portions, and connecting portions which connect proximal end portions of a pair of vibrating arm portions and a proximal end portion of the base portion. Narrow width portions are provided at the base of the base portion. | 07-10-2014 |
20140269227 | TIMEPIECE DEVICE AND METHOD OF OPERATION THEREOF - A timepiece device includes a control unit for time keeping, which is synchronizable by a clock generator. The timepiece device has at least two crystal oscillators built respectively by at least one crystal unit, whereby a first crystal oscillator with a first crystal unit and with a predetermined nominal oscillation frequency is suitable for use as the clock generator of the control unit during a vehicle standby mode, and whereby the oscillation frequency of the first crystal oscillator is at least temporarily measured and adjustable by a second crystal oscillator with a second crystal unit whose nominal oscillation frequency is higher than that of the first crystal oscillator. In a method of operation of the timepiece device, the oscillation frequency of the second crystal oscillator is compensated against the temperature by the software inside the control unit. | 09-18-2014 |
20160065132 | CRYSTAL OSCILLATION CIRCUIT AND ELECTRONIC TIMEPIECE - To provide a crystal oscillation circuit low in current consumption and stably short in oscillation start time. A crystal oscillation circuit is equipped with a crystal vibrator, a feedback resistor, a bias circuit, a constant voltage circuit, and an oscillation inverter configured by a constant current inverter. The oscillation inverter is configured so as to be controlled by currents based on input signals from the bias circuit and the crystal vibrator and driven by an output voltage of the constant voltage circuit. | 03-03-2016 |
368160000 | For reciprocating or oscillating element | 6 |
20100085843 | ELECTROSTATIC MOTOR INCLUDING AN ACTUATOR - The electrostatic motor includes an electrostatic actuator ( | 04-08-2010 |
20100097900 | LOCKING MECHANISM FOR TIMEPIECE DRIVE MODULE - Device for the locking and unitary incrementation of a drive module ( | 04-22-2010 |
20120230159 | AT LEAST FIRST AND SECOND ORDER TEMPERATURE-COMPENSATED RESONATOR - A temperature compensated resonator including a body used in deformation, the core of the body including a first material. The body includes at least a first and second coating allowing the resonator to have substantially zero first and second order temperature coefficients. The temperature compensated regulator can be used in the field of time and frequency bases. | 09-13-2012 |
20120250469 | Apparatus and Method of Keeping Time of Day Over an Industrial Temperature Range - Various embodiments of the invention relate generally to real-time clock circuit, and more particularly to systems, devices and methods of integrating two oscillators in one real-time clock circuit to generate accurate time of day over an industrial temperature range. A primary oscillator is employed to generate a first high precision clock while having a higher frequency and consuming more power; a secondary oscillator is employed to generate a second clock that has a low frequency and consumes less power, but may not meet the time accuracy requirement. When the real-time clock is provided with sufficient power (MSN mode), time of day is constantly tracked by the primary oscillator, but when the real-time clock is powered by a battery (SLEEP mode), time of day is tracked by the secondary oscillator while the primary oscillator is switched on at an update frequency to compensate errors in the time of day. | 10-04-2012 |
20130250741 | ANALOG ELECTRONIC WATCH - The analog electronic watch includes: a crystal oscillator; an oscillator circuit; a frequency divider circuit; an output control circuit; a constant voltage circuit; and a cell. The constant voltage circuit and the output control circuit are powered from the cell. The oscillator circuit and the frequency divider circuit are powered from the constant voltage circuit. The constant voltage circuit is capable of outputting a first constant voltage and a second constant voltage in a switchable manner. The second constant voltage is a voltage which is equal to or lower than a cell voltage. The first constant voltage is a voltage which is smaller than the second constant voltage. The constant voltage is switched to the second constant voltage in a period of outputting the motor drive pulse. | 09-26-2013 |
368167000 | Tuning fork | 1 |
20160179058 | TUNING FORK OSCILLATOR FOR TIMEPIECES | 06-23-2016 |