Class / Patent application number | Description | Number of patent applications / Date published |
368076000 | With mechanical or electromechanical driven display | 75 |
20100002547 | WATCH FITTED WITH AN ELECTRIC MOTOR CONTROL CASE - The invention concerns an electronic watch ( | 01-07-2010 |
20110103194 | Linear Clock - The Linear Clock is a clock comprising: a timer circuit for maintaining hours and minutes for the time of day, a segment member having an adjustable length, an hour display showing the hour of the day, and a control circuit. The control circuit is responsive to the timer circuit and coupled to the segment member and the hour display. The control circuit positions the starting point and stopping point of the segment member to adjust the length and position of the segment member thereby indicating the elapsed portion of an hour of the day maintained by the timer circuit. The control circuit also causes the hour display to show the hour of the day. | 05-05-2011 |
20110103195 | Watch Assembly Having a Plurality of Time-Coordinated Belts - A watch for providing a digital time display comprises a movement mechanism disposed in a case that includes a number of continuous belts. The belts each have a numerical indicia consistent with hours, minutes and optionally second. The belts mounted over opposed drums, and the drums are rotated through gear engagement motors to move the belts. The arrangement of belts and drums are mounted on a frame separate from the case. The motors are operated to move the belts to cause the numerical indicia of the combined belts to register with one or more windows visible through a transparent cover to provide a time display. The belts may be oriented to overlap one another. The watch includes a microcontroller for controlling the operation of the motors, an optical sensor to determining the position of the belts, and a wirelessly rechargeable battery pack for powering the motors. | 05-05-2011 |
20120026843 | Stepping motor with a coded pole pattern - The present invention relates to a stepping motor with a magnet pole pattern having a predetermined pattern around the circumference of the stepping motor. In one embodiment, the pattern relates to a code having a unique single maximum autocorrelation peak over the period of the code. Example codes include Barker codes, PN codes, Kasami codes, Golomb ruler codes, and other codes. In one embodiment, the rotor and stator have a matching pole pattern. In one embodiment, the drive is arranged to align the poles in an inline configuration, alternatively, the drive may be arranged to align the poles in a diagonal configuration. In a further embodiment, one or more sets of poles are provided on the stator, each set being offset rotationally by a partial pole spacing. In one embodiment, the rotor is initially synchronized with the stator by capturing the rotor using a single unambiguous lock-in position based on the code autocorrelation. | 02-02-2012 |
20120057435 | Drive control apparatus, timepiece apparatus, and electronic apparatus - The invention is intended to allow a motor to be driven normally even when an output voltage of a primary power source unit varies. A motor drive control unit configured to attenuate a charge of a secondary cell by an electromotive force of a solar cell to a level lower than the charge at that moment before driving the motor, and then intensify the charge of a level higher than the charge at that moment after having driven the motor is provided. | 03-08-2012 |
20120134242 | DEVICE FOR POSITIONING A BRIDGE ON A PLATE - Positioning device ( | 05-31-2012 |
20120170426 | Analogue electronic timepiece - A stepping motor for driving time hands, a stepping motor for driving a calendar, and a stepping motor for driving chronograph hands are all housed in a bottom plate of a movement of an analogue electronic timepiece. The stepping motor for driving chronograph hands is connected to a battery can via a battery pressing piece. The stepping motor for driving chronograph hands is arranged such that a larger amount of external magnetic field passes that stepping motor than the other stepping motors via the battery can and the battery pressing piece. The rotational drive of the stepping motor for driving chronograph hands can be made stable even under the presence of the external magnetic field by setting a drive force of the stepping motor for driving chronograph hands larger than the drive forces of the other stepping motors. | 07-05-2012 |
20130182542 | STEPPING MOTOR CONTROL CIRCUIT, MOVEMENT, AND ANALOGUE ELECTRONIC TIMEPIECE - 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. | 07-18-2013 |
20130194899 | WATCH ASSEMBLY HAVING A PLURALITY OF TIME-COORDINATED BELTS - A watch for providing a digital time display comprises a movement mechanism disposed in a case that includes a number of continuous belts. The belts each have a numerical indicia consistent with hours, minutes and optionally second. The belts mounted over opposed drums, and the drums are rotated through gear engagement motors to move the belts. The arrangement of belts and drums are mounted on a frame separate from the case. The motors are operated to move the belts to cause the numerical indicia of the combined belts to register with one or more windows visible through a transparent cover to provide a time display. The belts may be oriented to overlap one another. The watch includes a microcontroller for controlling the operation of the motors, an optical sensor to determining the position of the belts, and a wirelessly rechargeable battery pack for powering the motors. | 08-01-2013 |
20140071794 | STEPPING MOTOR CONTROL CIRCUIT, MOVEMENT AND ANALOG ELECTRONIC TIMEPIECE - 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. | 03-13-2014 |
20140098646 | ELECTROMAGNETIC TIMEPIECE MOTOR AND METHOD OF MANUFACTURING THE SAME - An electronic timepiece movement including a timepiece motor formed by an assembly comprising a frame made of non-magnetic material and a rotor housed in said frame; and method of manufacturing a motor of this type wherein the frame is first made with a lateral aperture, said frame including a first part and a second part each carrying a bearing, the first part or the first and second parts of the frame being elastically deformable. Next, the rotor is mounted in the frame through the lateral aperture therein by increasing the distance between the two bearings of the frame via the elastic deformation of the first part or of the first and second parts of said frame, said elastic deformation being provided in particular for the insertion of the two rotor pivots into the two respective bearings of the pre-formed frame. | 04-10-2014 |
20150071042 | DRIVING UNIT AND TIMEPIECE - A driving unit includes a rotor, a plurality of vibratory members, and a driving circuit. The vibratory members each include an action part in contact with the outer periphery of the rotor and a motional part including an expansion-and-contraction driver to expand and contract in response to an applied voltage. The motional part allows the action part to slide along the rotational direction of the rotor. The driving circuit applies voltages to the expansion-and-contraction drivers. The vibratory members are disposed in such a way that the action parts of the vibratory members hold the rotor between the action parts. | 03-12-2015 |
20150131412 | TIMEPIECE WITH DISPLAY DEVICES - A watch including a case in which there is arranged a control system, which includes a time base and is arranged to be able to perform several functions, the watch further including at least two analogue display elements and a digital display controlled independently by the control system, the watch further including a control acting on the control system. The watch is arranged in a first, normal operating mode to provide the user with a time indication by the analogue display elements driven by the control system fitted with the time base, and the watch is arranged in a second, special operating mode to allow the user to select a function via the control, to display on the digital display a value associated with the selected function, and to move an analogue display element opposite the value associated with the selected function. | 05-14-2015 |
20150316895 | THERMOCOMPENSATED CHRONOMETER CIRCUIT - An electronic module including at least one electric motor for driving an analog display, a clock module including a time base delivering a clock signal connected to a divider circuit, the divider circuit delivering a reference signal sent to a control circuit arranged to control the electric motor, the clock module further including a measuring and correction circuit arranged between the time base and the divider circuit and delivering an intermediate compensated signal. The time base, the compensation module, the divider circuit, and the control circuit are arranged in a same case to form the clock module. | 11-05-2015 |
368077000 | Rotating disk | 3 |
20090154298 | CLOCK - A clock comprising concentric rings of slots slits for indicating time by fully illuminating an appropriate one of the slots. Full illumination is propagated from one slot to an adjacent slot by causing all of the slots in a ring of slots to briefly light up sequentially, thus causing a flash of light to propagate around the ring of slots, thus more clearly showing passage of a second, a minute et as the illumination was switched from the one slot to the adjacent slot. | 06-18-2009 |
20130235705 | POINTER TYPE TIMEPIECE - A high-speed rotating wheel rotates at high speed by a third stepper motor which meshes with a portion of teeth of a ratchet wheel. A transmission projection of the ratchet wheel moves within an elongated hole of a transmission wheel which rotates with the movement of the hour hand. The ratchet wheel rotates at high speed, and a display wheel rotates at high speed by the high speed rotation of the ratchet wheel via a feed wheel. When normally moving the hour hand, the ratchet wheel rotates with the transmitting wheel and the portion of teeth of the ratchet wheel is made to approach the high-speed rotating wheel. When the display of the display wheel changes, the high-speed rotating wheel meshes with the portion of teeth of the ratchet wheel and rotates the ratchet wheel at high-speed. Accordingly, the date display of the display wheel can be quickly changed. | 09-12-2013 |
20150131413 | TIMEPIECE COMPRISING A DECOUPLING BETWEEN THE ENERGY TRANSMISSION MEANS AND THE COUNTING MEANS - The invention concerns a timepiece comprising a timepiece movement cooperating with a display device, the timepiece movement comprising a mechanical energy source and a system of energy transmission from the energy source to at least one resonator including a first distribution device controlled by the at least one resonator. According to the invention, the timepiece also comprises a counting system mounted between the at least one resonator and the display device, and including a second distribution device controlled by the at least one resonator and cooperating with the display device to uncouple the energy transmission means from the counting means. | 05-14-2015 |
368079000 | Optical | 2 |
20120147711 | TIME INDICATION DEVICE - A time indication device includes a time display body, a controller, an hour hand module, a minute hand module, and a second hand module. The hour hand module includes an hour hand ring placed around the time display body. An hour hand driving unit connected to the controller, and controlled by the controller to drive the hour hand ring to rotate around the time display body. An hour hand projecting unit, fixed to the hour hand ring, for projecting an hour hand on the time display body. Thus, when the hour hand ring is driven by the hour hand driving unit to rotate around the time display body, it is shown that the hour hand moves on the time display body. The minute hand module and the second hand module have nearly the same structure as the hour hand module. | 06-14-2012 |
20150309479 | TIME MEASUREMENT DEVICE - A time measurement device includes: a higher-digit indication hand that is configured to indicate a higher digit of a measured time; a lower-digit indication hand that is configured to reciprocate and indicate a lower digit of the measured time on a forward route and on a return route; a first drive unit that is configured to drive the higher-digit indication hand; a second drive unit that is configured to drive the lower-digit indication hand; a time counter that is configured to measure a time; a first drive controller that is configured to control the first drive unit to drive the higher-digit indication hand based on the measured time measured by the time counter; and a second drive controller that is configured to control the second drive unit to drive the lower-digit indication hand based on the measured time measured by the time counter, the second drive controller reciprocating the lower-digit indication hand at a predetermined period, and the first drive controller moving the higher-digit indication hand at a time interval equal to or less than a half of the predetermined period. | 10-29-2015 |
368080000 | Hand and dial | 56 |
20090016172 | Analog Electronic Watch - An analog electronic watch of the present invention includes: a display unit ( | 01-15-2009 |
20090103398 | CHRONOGRAPH WATCH - The present invention concerns a chronograph watch fitted with a going train including:
| 04-23-2009 |
20090129209 | WATCH MOVEMENT OF THE FLY-BACK CHRONOGRAPH TYPE AND TIMEPIECE PROVIDED WITH SUCH A MOVEMENT - A description is given of a watch movement of the fly-back chronograph type comprising a frame carrying connected a finishing gear train capable of being train kinematically to a chronograph gear train comprising at least one chronograph runner having a chronograph spindle intended to carry a first member for displaying seconds. The movement comprises a fly-back runner coaxial with the chronograph runner and having a fly-back spindle intended to carry a second member for displaying seconds. The fly-back spindle is hollow and passed through by the chronograph spindle, the fly-back runner being mounted rotationally with reference to the frame by means of a bearing. Among other advantages, this construction makes it possible to isolate the chronograph runner from the fly-back runner. | 05-21-2009 |
20090285057 | Stepping motor drive circuit and analog electronic clock - The present invention aims to generate a proper drive pulse in accordance with a motor. A plurality of duty generating circuits each generates a signal at a duty ratio different from one another. A main drive pulse generating circuit uses an output signal of the plurality of the duty generating circuits to generate a drive pulse, and a motor driver circuit rotates and drives a stepping motor. The stepping motor drives the hands of a display unit. When a rotation detecting circuit detects that the stepping motor is not rotated, a correction drive pulse generating circuit uses a signal from one of the duty generating circuits to output a correction drive pulse, and the motor driver circuit forcedly rotates and drives the motor by the correction drive pulse. | 11-19-2009 |
20090316535 | Stepping motor control circuit and analog electronic timepiece - The present invention aims to prevent a nonrotation state from being brought about even when a drive allowance is changed by variations in a stepping motor or the like. A pulse down counter circuit outputs pulse down control signal for subjecting main drive pulse to control pulse down when time is counted for a predetermined time period. When a detecting signal exceeding a reference threshold voltage detected by a rotation detecting circuit is detected at a first detection section at start of a rotation detecting time period, a control circuit resets the pulse down counter circuit. Thereby, a main drive pulse generating circuit is not subjected to control pulse down by the pulse down counter circuit, and therefore, it is prevented that the main drive pulse is subjected to pulse down unnecessarily. | 12-24-2009 |
20100091616 | TIMEPIECE WITH DYNAMIC, ANALOGUE DISPLAY OF THE TIME - A timepiece with a dynamic, analogue display of the time. The timepiece has a first hand which rotates at a first speed and a second hand which rotates at a second speed, wherein the time is displayed with respect to a time unit when the two hands coincide in that the angular position of the coincidence indicates the current time of the time unit viewed on a dial. | 04-15-2010 |
20100149924 | Stepping motor controller and analog electronic timepiece - An invention allows a stepping motor to be reliably driven to rotate when initializing the driving and allows power consumption of the stepping motor to be reduced. The controller, when initializing the driving (for example, replacing a battery), controls a main drive pulse generator to drive a stepping motor using a main drive pulse having a maximum energy and sets the generation cycle of a pulse down control signal of a pulse down counter for pulsing down the main drive pulse to a first cycle to drive the stepping motor, and when pulsing down the main drive pulse to that having a predetermined energy, changes the generation cycle of the pulse down control signal of the pulse down counter to a second cycle. | 06-17-2010 |
20100165796 | Stepping motor control circuit and analogue electronic watch - According to a stepping motor control circuit of the invention, a rotation detecting period is divided into a first segment for detecting an induced signal generated at least in a second quadrant by the rotation of a rotor immediately after driving of a main driving pulse, a second segment being provided after the first segment for detecting the induced signal in a third quadrant, and a third segment provided after the second segment and, when a stepping motor detects the induced signal exceeding a reference threshold voltage in the first segment and the second segment, a control circuit controls a pulse down counter circuit to output a pulse down control signal. | 07-01-2010 |
20100172219 | Stepping motor control circuit and analogue electronic timepiece - The present invention aims to prevent a main drive pulse from being moved to a rank having a potential to cause a non-rotating state. A detection segment for detecting a rotating state of a stepping motor is divided into a first segment immediately after the drive with a main drive pulse, a second segment, and a third segment and, when the stepping motor is rotated by the main drive pulse, the main drive pulse is not changed when a detection signal exceeding a reference threshold voltage is detected at least in the first and second segments. When it is detected only in the first and third segments, or detected only in the third segment, the rank is moved upward and, when it is not detected in any segment, or detected only in the first segment, the rank is moved upward after the drive with a corrective drive pulse. When it is detected only in the second segment or detected only in the second and third segments, the rank is moved downward. | 07-08-2010 |
20100177603 | PIEZOELECTRIC DRIVE DEVICE AND ELECTRONIC DEVICE - A piezoelectric drive device includes a piezoelectric actuator and a rotation transfer device. The piezoelectric actuator includes a vibrator and a rotor that is rotated in one specific direction by the vibrator. The rotation transfer device transmits rotational energy from the rotor to a driven rotating body, and includes an elastic device that stores rotational energy and a rotation limiting device having a drive wheel and a driven wheel. The rotation transfer device allows the driven wheel to rotate a specific angle, and restricts driving the drive wheel. The elastic device and the rotation limiting device are disposed so that rotational energy transmitted from the rotor is transmitted through one to the other of the elastic device and the rotation limiting device. The rotor, the elastic device, and the rotation limiting device render a serial path for transmitting rotational energy. | 07-15-2010 |
20100220556 | Stepping motor control circuit and analog electronic watch - A stepping motor control circuit includes a rotation detecting means which detects an induced signal generated by rotation of a rotor of a stepping motor, and detects a rotation state of the stepping motor according to whether the induced signal exceeds a predetermined reference threshold voltage in a predetermined detection section, and a control means which controls driving of the stepping motor by using any one of a plurality of main driving pulses having energies different from each other or a correction driving pulse having energy higher than energy of each main driving pulse according to a detection result of the rotation detecting means. The control means allows the main driving pulse to be down when a rotation state, in which an extra driving force of the main driving pulse is small, continuously occurs by a predetermined first number of times, and allows the main driving pulse to be down even if the rotation state having a small extra driving force does not continuously occur by the predetermined first number of times when a rotation state having a large extra driving force is large has occurred under a condition in which at least the rotation state having the small extra driving force continuously occurs. | 09-02-2010 |
20100238767 | Stepping motor control circuit and analog electronic watch - A stepping motor control circuit includes a rotation detecting means which detects an induced signal generated by rotation of a rotor of a stepping motor, and detects a rotation state of the stepping motor according to whether the induced signal exceeds a predetermined reference threshold voltage in a predetermined detection section, and a control means which controls driving of the stepping motor by using any one of a plurality of main driving pulses having energies different from each other or a correction driving pulse with energy higher than energy of each main driving pulse according to a detection result of the rotation detecting means. The detection section is divided into a first section immediately after driving by the main driving pulse, a second section after the first section and a third section after the second section. During the driving of the stepping motor by the main driving pulse, when the rotation detecting means has detected an induced signal exceeding a first reference threshold voltage in the first section and the second section, if an induced signal exceeding a second reference threshold voltage lower than the first reference threshold voltage is not detected in the third section, the control means drives the stepping motor by using the correction driving pulse. | 09-23-2010 |
20100238768 | Stepping motor control circuit and analogue electronic timepiece - A stepping motor control circuit and an analogue electronic timepiece can optimize a rank change operation of a main drive pulse by properly determining an available driving force thus realizing the reduction of the power consumption. A detection interval in which a rotation state of a stepping motor is detected is divided into a first interval immediately after driving with a main drive pulse, a second interval which comes after the first interval, and a third interval which comes after the second interval, and a rotation state is detected. A control circuit looks up an interval table which makes respective main drive pulses stored in the control circuit and a length of the second interval, sets the second interval which corresponds to energy of the present main drive pulse. A detection interval determination circuit determines the interval or the intervals in which an induction signal which exceeds a reference threshold voltage is generated. The control circuit performs a pulse control of the main drive pulse based on the determination. | 09-23-2010 |
20100254226 | Stepping motor control circuit and analog electronic watch - A stepping motor control circuit includes a rotation detecting means for detecting an induced signal generated by rotation of a rotor of a stepping motor, and detecting a rotation state of the stepping motor according to whether the induced signal exceeds a predetermined reference threshold voltage in a predetermined detection section, and a control means for controlling driving of the stepping motor by using any one of a plurality of main driving pulses having energy different from each other or a correction driving pulse having energy higher than energy of each main driving pulse according to a detection result of the rotation detecting means. The detection section is divided into a first section immediately after driving with the main driving pulse, a second section after the first section, a third section after the second section, and a fourth section after the third section, and the control means lengthens the third section subsequent to the second section when the rotation detecting means has detected an induced signal exceeding the reference threshold voltage in the second section, and controls the driving of the stepping motor by selecting a driving pulse based on a pattern of an induced signal in the first to fourth sections. | 10-07-2010 |
20100322036 | TIMEPIECE HAND, MOVEMENT FOR DRIVING SUCH A HAND AND CORRESPONDING TIMEPIECE - A hand for a timepiece including a base is intended to be driven by a drive member of a clock movement to rotate about a first axis of rotation, the base being extended by a first index portion. The latter defines a support for a second index portion intended to be driven in terms of rotation with respect to the support about a second axis of rotation substantially perpendicular to the first axis of rotation by a drive mobile of the clock movement. The hand can be driven conventionally to display the time, in relation to graduations borne by a dial, while rotation of the second index portion allows additional information to be displayed which may be independent of the time. The resulting bulk of this structure is modest and visually de-clutters the display area of the timepiece while allowing several timekeeping complications to be displayed simultaneously. | 12-23-2010 |
20110007610 | Chronograph timepiece - In a chronograph timepiece in which the chronograph hands are electrically rotated by a motor drive pulse and are mechanically zero-restoring-controlled, a basic drive control unit controls a motor so as to drive the chronograph hands when it is detected by a contact portion and a setting releasing detection portion that the setting of the chronograph hands by a setting mechanism has been released. | 01-13-2011 |
20110013492 | Chronograph timepiece - A chronograph timepiece makes it possible to make sure that it normally operates at the time of an initial starting operation such as system resetting without having to perform a difficult operation or the like. When a system reset signal is input to a system reset terminal and it is detected that initial starting has been effected, a processing unit enables a time hand and a chronograph hand to move after permitting the time hand to perform a predetermined demonstration hand movement when both a start/stop switch and a reset switch have not been simultaneously operated; when these switches have been simultaneously operated, the processing unit enables the time hand and the chronograph hand to move without permitting demonstration hand movement. | 01-20-2011 |
20110051562 | ANALOGUE DISPLAY DEVICE INCLUDING A PLANETARY GEAR DRIVE - The invention concerns a timepiece ( | 03-03-2011 |
20110063953 | ANALOG ELECTRONIC TIMEPIECE AND STEPPING MOTOR DRIVING METHOD - An analog electronic timepiece including, a plurality of hands, a plurality of stepping motors, a maximum speed of at least one stepping motor being different from that of another stepping motor, and a fast-forward control section to simultaneously drive at least two of the plurality of stepping motors, the fast-forward control section composed of, a speed judging section to judge the slowest speed among maximum speeds of stepping motors, a drive control section to simultaneously drive the stepping motors at the speed judged by the speed judging section, an end judging section to judge whether a further hand to be moved remains when drive of the stepping motors at the speed judged by the speed judging section ends, and a control section to make the speed judging section, the drive control section, and the end judging section operate again when the hand to be moved remains. | 03-17-2011 |
20110122733 | Stepping motor control circuit and analog electronic timepiece - A stepping motor control circuit includes a rotation detection portion that detects a rotation condition of a stepping motor, and a control portion that drives and controls the stepping motor by a correction drive pulse P | 05-26-2011 |
20110141857 | Stepping motor control circuit and analogue electronic watch - A stepping motor control circuit includes a rotation detection circuit that detects an induced signal and detects whether or not the induced signal exceeds a predetermined reference threshold voltage in a detection segment having a plurality of detection areas, and a control unit that determines the state of rotation of a stepping motor on the basis of a pattern indicating whether or not the induced signals exceed the reference threshold voltage and, on the basis of the result of detection, controls the driving of the stepping motor with anyone of a plurality of main drive pulses different from each other in energy or a correction drive pulse having larger energy than the main drive pulse. An ineffective area is provided between at least the two detection areas, and the control unit determines the state of rotation of the stepping motor without considering the induced signal. | 06-16-2011 |
20110141858 | HAND POSITION DETECTING DEVICE AND ELECTRONIC TIMEPIECE - A hand position detecting device including: a first gear rotating with a minute hand; a second gear rotating with a second hand; a first detection target portion that is provided on the first gear and identifiable by light irradiation; a second detection target portion that is provided on the second gear and identifiable by light irradiation; and a detector, wherein the second detection target portion is formed to be divided into a plurality of parts over a predetermined angular range out of a center angle of 360° of the second gear, and a presence-or-absence pattern of the second detection target portion in an angular range of successive N (N represents one of 5 to 10) angular segments with any angular segment being set as a start point is made different when the angular segment of the start point is different. | 06-16-2011 |
20110158053 | Chronograph timepiece - Provided is a chronograph timepiece to perform a system reset by an easy-to-understand operation for users, including a crown, an operating unit that at least starts and resets a time period measurement, a time hand drive unit that keeps time of day based on a clock signal for electrically driving a time hand so as to indicate the timed time of day, a chronograph hand drive unit that measures a time period based on a chronograph signal in response to the start for electrically driving a chronograph hand so as to indicate a measured time period and to reset the time period measurement in response to the reset directed by the operating unit, and a control unit that resets the time hand drive unit in response to a reset directed by the crown and resets the chronograph hand drive unit in response to the reset directed by the operating unit. | 06-30-2011 |
20110158054 | Stepping motor control circuit and analogue electronic watch - The invention enables accurate detection of the state of rotation even when the timing of generation of a induced signal is changed due to the relative change of a drive energy with respect to a load. A plurality of types of detection segments are provided as the detection segments for detecting the state of rotation of a stepping motor, and a control circuit selects one of the detection segments, determines the state of rotation of the stepping motor using a detection pattern of an induced signal VRs in the selected detection segment according to the extent of the reserve driving capacity of a main drive pulse, and controls the driving of the stepping motor on the basis of any one of a plurality of the main drive pulses having energies different from each other or a correction drive pulse having energy larger than the respective main drive pulses on the basis of the result of determination. | 06-30-2011 |
20110188352 | Stepping motor control circuit and analogue electronic watch - The invention provides a stepping motor control circuit including a rotation detecting circuit configured to detect an induced signal generated according to the state of rotation of a stepping motor, and a control unit configured to select any one of a plurality of drive pulses having different energy from each other according to the result of detection detected by the rotation detecting circuit and controls the drive of the stepping motor alternately with the selected drive pulses having different polarities from each other, wherein if the difference of detected time points of the induced signals generated when driving the stepping motor with the drive pulses having the same energy and different polarities is not shorter than a predetermined time, the control unit changes the drive pulse to a drive pulse having a larger energy than that of the above-described drive pulse and drives the stepping motor. | 08-04-2011 |
20110205853 | Electronic watch, method of processing the same, and program therefor - An electronic watch compares a value counted by an internal counter, which is read by the internal counter when a driving timing signal of a chronograph hand is output, with a counted value stored in a counted value storage unit in advance and, if they match, determines that a driving timing signal of the time-of-day hand and the driving timing signal of the chronograph signal overlap with each other, and performs a process of delaying or advancing the driving timing of the time-of-day hand. | 08-25-2011 |
20110235472 | Stepping motor control circuit and analog electronic timepiece - A stepping motor control circuit and an analog electronic timepiece which can detect a rotation state including intermediate stopping more accurately are provided. A rotation detection circuit, in detecting whether or not an induction signal generated by the rotation of a stepping motor exceeds a predetermined reference threshold voltage during a detection period having a plurality of sections, detects whether or not the induction signal with inverted polarity exceeds a predetermined reference threshold voltage during a predetermined section, and a control unit immediately performs a drive control of the stepping motor with a correction drive pulse when it is determined that there is a sign of intermediate stopping of the stepping motor based on a result of detection by the rotation detection circuit. | 09-29-2011 |
20110242946 | Stepping motor control circuit and analog electronic timepiece - It is configured to include: a secondary battery as a power supply that supplies power at least to a stepping motor; a rotation detection portion that detects a rotation state of the stepping motor; a control portion that drives the stepping motor by selecting a drive pulse having energy corresponding to the rotation state of the stepping motor from a plurality of drive pulses; and a solar battery that charges the secondary battery. Upon determination that it is possible to rotate the stepping motor by an overcharge indicating drive pulse having predetermined energy, the control portion drives the stepping motor by changing a current drive pulse to an overconsuming drive pulse having larger energy than the overcharge indicating drive pulse. It thus becomes possible to suppress deterioration of a secondary battery caused by overcharge without having to provide a dedicated voltage detection circuit, such as a comparator circuit. | 10-06-2011 |
20110317524 | TIMEPIECE DEVICE WITH MULTIPLE-HAND - A timepiece device with multiple-hand includes: one or more hands driven to rotate by one or more driving motors; one or more gear train mechanisms include gears which transmit a rotation movement of the driving motors to the hands; and a support plate which supports the gears; wherein the gears include: a first gear which includes a pair of gear members provided on front and rear sides of the support plate; a second gear which meshes with a gear member provided on the rear side to transmit a rotation movement of one of the driving motors to the first gear; and a third gear which meshes with a gear member provided on the front side to transmit a rotation movement of one of the driving motors to the hands. | 12-29-2011 |
20110317525 | TIMEPIECE DEVICE WITH MULTIPLE-HAND - A timepiece device with multiple-hand which can be miniaturized and made thin as a whole has a configuration where a hour hand hour wheel positioned close to an hour hand to which a rotation movement of a 3rd motor via an hour hand gear train mechanism and a functional hand hour wheel positioned close to a functional hand to which a rotation movement of a 4th motor via a functional hand gear train mechanism are arranged on a front side of a support plate, and a 4th wheel positioned close to a second hand and a 2nd wheel positioned close to a minute hand are arranged on a rear side of the support plate. | 12-29-2011 |
20120014227 | Stepping motor control circuit and analog electronic timepiece - A detection interval in which the rotation status of a stepping motor is divided into a first interval immediately after driving executed by a main driving pulse, a second interval later than the first interval, and a third interval later than the second interval. The driving is executed by a correction driving pulse and the main driving pulse is increased, when a control circuit drives the stepping motor in a driving way different from a driving way at the time of exceeding a predetermined voltage in a case where the voltage of a secondary battery is lowered to be equal to or less than the predetermined voltage and when a rotation detection circuit and a detection time comparison determination circuit detect an induced signal exceeding a first reference threshold voltage in the first interval and the second interval and do not detect the induced signal exceeding a second reference threshold voltage lower than the first reference threshold voltage in the third interval. | 01-19-2012 |
20120044787 | Stepping motor control circuit and analogue electronic watch - The invention is intended to achieve detection of a source voltage without providing a voltage detection circuit and allow a drive stop while holding correct drive pulse information when the source voltage is lowered to a predetermined level or below. A detection segment for detecting the state of rotation of a stepping motor is divided into a plurality of segments and, when a pattern of an induced signal detected in the respective segments is a pattern which indicates that the voltage of a secondary battery is lowered to the predetermined voltage or below, the control circuit memorizes a polarity of the drive pulse used in the last driving in a polarity memory and stops the driving of the stepping motor. When the voltage of the secondary battery is restored to the predetermined voltage or higher, the driving is restarted by a main drive pulse having a polarity opposite from the polarity memorized in the polarity memory. | 02-23-2012 |
20120257480 | CHRONOGRAPH MECHANISM - The chronograph mechanism includes a control device and a chronograph gear train designed to be driven directly or indirectly by a barrel, this chronograph gear train including a second-counter mobile and a mobile with a first precision corresponding to a first fraction of a second. The chronograph mechanism also includes at least one indicator which displays the seconds and first fractions of a second of the duration measured. The chronograph gear train includes an additional mobile ( | 10-11-2012 |
20120287759 | STEPPING MOTOR CONTROL CIRCUIT AND ANALOGUE ELECTRONIC TIMEPIECE - A reverse rotation drive pulse includes a first pulse and a second pulse continuing from the first drive pulse and having a polarity opposite from that of the first drive pulse, a rotor is driven in the normal direction by the first pulse so that an axis of magnetic pole of the rotor rotates in the normal direction to a position beyond a notched potion nearest in the same direction, and then in the reverse direction by the second pulse to a position at which the same moves beyond the stable static position, and in the first segment and the second segment, a braking force with respect to the rotor is inhibited by connecting the detecting resistance of the coil in series and also the detection of rotation is performed. | 11-15-2012 |
20120287760 | STEPPING MOTOR CONTROL CIRCUIT AND ANALOG ELECTRONIC TIMEPIECE - A voltage detection circuit detects a voltage of a secondary cell that powers a stepping motor. A rotation detection circuit detects a rotation state of the stepping motor, and a control unit selects a main driving pulse for driving the stepping motor based on the detected rotation state from plural kinds of driving pulses having different energies. An analog display unit announces that the voltage of the secondary cell becomes a predetermined reference voltage when the voltage detection circuit detects that the voltage of the secondary cell becomes the predetermined reference voltage. When the control unit selects a predetermined main driving pulse before the voltage detection circuit detects that the voltage of the secondary cell becomes a current reference voltage, the control unit sets the reference voltage to the predetermined reference voltage higher than the current reference voltage. | 11-15-2012 |
20120300595 | MOTOR DRIVE DEVICE AND ANALOGUE ELECTRONIC TIMEPIECE - A secondary cell supplies drive power to a motor of an analogue electronic timepiece, and a state detection circuit detects whether or not a state at the time of driving the motor is a predetermined state. A cell voltage detection circuit detects a voltage of the secondary cell at intervals corresponding to a detection result by the state detection circuit. A control unit drives the motor by selecting a drive pulse of energy corresponding to a detection result of the cell voltage detection circuit out of drive pulses of different energies. When the state detection circuit detects that a state at the time of driving the motor is the predetermined state, the cell voltage detection circuit detects the voltage of the secondary cell at intervals shorter than intervals when the state detection circuit detects that the state at the time of driving the motors is not the predetermined state. | 11-29-2012 |
20130033970 | ANALOG ELECTRONIC TIMEPIECE - An analog electronic timepiece includes a plurality of hands; a dial plate having scales for time display; a driving unit that drives the hands so that the hands are driven independently of each other; and a control unit that transmits a drive signal to the driving unit and moves the hands to allow the hands to point to positions set for the respective hands. The control unit (i) allows each hand to point to one of positions of one o'clock to nine o'clock and twelve o'clock among the scales to indicate that a digit in a predetermined place represented by each hand is one of “1” to “9” and “0”; and (ii) expresses a numerical value by a combination of digits corresponding to the respective positions pointed by the respective hands. | 02-07-2013 |
20130077450 | ELECTROMECHANICAL TIMEPIECE PROVIDED WITH AN ADDITIONAL FUNCTION - Electromechanical timepiece fitted with a gear train including an hour hand and a minute hand for the current time display on the dial side of the timepiece. The timepiece is arranged to provide at least one additional piece of information relating to a magnitude of time, or to a non-time related piece of information. The timepiece further includes an additional indicator hand arranged to display the additional information, the additional indicator hand being mounted on the back cover side of the timepiece on an arbour of the gear train of the timepiece, so that the additional indicator hand and the hour hand and/or minute hand rotate at the same time and at the same angle, the hour hand and/or the minute hand being driven either to display the current time, or to enable the additional indicator hand to indicate the additional information. | 03-28-2013 |
20140064040 | ANALOG ELECTRONIC TIMEPIECE - An analog electronic timepiece includes a stepping motor, a gear train mechanism having gears, a pointer, a drive control unit, a control content changing unit, and a pointer position adjustment unit. If an operational command to rotate the pointer to a different moving target position is obtained while an operational control for rotating the pointer to a certain moving target position is in progress, the control content changing unit terminates the control and changes a control content to an operational control according to the command. If the reverse rotation driving operation is being performed, the pointer position adjustment unit performs an adjustment operation for removing shifting between a predicted position of the printer and an actual position of the pointer which occurs because of rotational input from the stepping motor not being transmitted to the pointer due to gaps relating to the mesh of the gears. | 03-06-2014 |
20140071795 | STEPPING MOTOR CONTROL CIRCUIT, MOVEMENT, AND ANALOG ELECTRONIC TIMEPIECE - 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. | 03-13-2014 |
20140153371 | TIMEPIECE DEVICE WITH MULTIPLE-HAND - A timepiece device with multiple-hand which can be miniaturized and made thin as a whole has a configuration where a hour hand hour wheel positioned close to an hour hand to which a rotation movement of a 3rd motor via an hour hand gear train mechanism and a functional hand hour wheel positioned close to a functional hand to which a rotation movement of a 4th motor via a functional hand gear train mechanism are arranged on a front side of a support plate, and a 4th wheel positioned close to a second hand and a 2nd wheel positioned close to a minute hand are arranged on a rear side of the support plate. | 06-05-2014 |
20140286138 | ANALOG ELECTRONIC TIMEPIECE - An analog electronic timepiece, including: a stepping motor; a first indicating unit which makes a step rotation by a predetermined first rotation angle according to the step drive; a second indicating unit which makes a step rotation by a second rotation angle which is smaller than the first rotation angle in conjunction with the step rotation of the first indicating unit; an independent rotation control unit; an interlocking rotation control unit; and a rotation selection unit which activates the independent rotation control unit when current processing is in an operation mode where the rotation position of the first indicating unit is changed or in an operation state where the rotation position of the first indicating unit is temporarily changed and which activates the interlocking rotation control unit when a setting relating to a final rotation position of the first indicating unit is fixed. | 09-25-2014 |
20140328148 | WRISTWATCH STRUCTURE, ELECTRONIC CORE FOR WRISTWATCH, AND METHOD FOR MANUFACTURING WRISTWATCH - The present invention provides a wristwatch structure, an electronic core for a wristwatch, and a method for manufacturing the wristwatch. The wristwatch structure comprises: a dial; an indicator designed with the dial; an electric driving component connected to the indicator, for driving the indicator and actuating it; and an electronic core having an integrated circuit unit packaged therein, the electronic core also having a plurality of two-dimensional joints distributed on an external surface thereof, wherein the electric driving component is electrically connected to the integrated circuit unit of the electronic core via one set of joints among the two-dimensional joints. The present invention can improve compatibility for various designs, thereby shortening the product development cycle. | 11-06-2014 |
20140340998 | SINGLE HAND TIMEPIECE - A single hand timepiece having
| 11-20-2014 |
20140355393 | CLOCK MECHANISM FOR STORING AND DISPLAYING TIME INFORMATION - Mechanism ( | 12-04-2014 |
20140355394 | CLOCK MECHANISM FOR STORING AND DISPLAYING TIME INFORMATION - Clock movement ( | 12-04-2014 |
20150016230 | TIMEPIECE MECHANISM, TIMEPIECE MOVEMENT AND TIMEPIECE - A mechanism ( | 01-15-2015 |
20150092522 | STEPPING MOTOR AND TIMEPIECE - Disclosed is a stepping motor including a rotor, a stator which includes a rotor accommodating hole, a pair of outer notches to determine positions of saturated magnetic fluxes and inner notches disposed on an inner periphery of the stator around the rotor accommodating hole, the inner notches determining stably stationary positions of the rotor, and a coil block configured by a coil wound around a coil core which is magnetically coupled to the stator, and the outer notches are disposed on an outer periphery of the stator on opposite sides of the rotor accommodating hole. And a line that connects narrowest portions between the outer notches and the rotor accommodating hole and extends through a center of the rotor accommodating hole shifts by a predetermined angle from a line that extends through the center of the rotor accommodating hole and is orthogonal to an extending direction of the stator. | 04-02-2015 |
20150309477 | ANALOG ELECTRONIC TIMEPIECE - An analog electronic timepiece including: a second hand; a driver configured to drive the second hand; a current time display processor configured to control the driver to move the second hand at a first time interval such that the second hand indicates a second of a current time; and a measured time display processor configured to control the driver to move the second hand at a second time interval different from the first time interval such that the second hand indicates a second of a measured time. | 10-29-2015 |
20160041531 | BIOFEEDBACK WATCHES - A watch comprising a deadfront window; a first OLED display disposed beneath the deadfront window such that the first OLED display can be observed through the deadfront window when the first OLED display is active; a movement for tracking time, the movement having a first portion that resides beneath the deadfront window and a second portion that protrudes through the deadfront window; and time-indicating members disposed above the deadfront window, the time indicating members being secured to the second portion of the movement. | 02-11-2016 |
20160139565 | Energy Harvesting Timer - An energy harvesting timer includes a wireless charging module, a plurality of hands, and a driving module. The hands are connected to the wireless charging module. At least one of the hands serves as a receiving antenna of the wireless charging module. The driving module is connected to the wireless charging module and the hands, receiving energy from the wireless charging module to actuate the hands. | 05-19-2016 |
20160161920 | ELECTRONIC TIMEPIECE - An electronic timepiece has a time display unit including a dial made from a non-conductive material, and hands; and a movement that drives the hands. The movement includes a circuit board, a planar antenna attached to the circuit board, a stepper motor that drives the hands, and a battery. The planar antenna, the stepper motor, and the battery are disposed to positions overlapping the time display unit in plan view, and not overlapping each other in plan view. | 06-09-2016 |
20160178402 | ELECTROMECHANICAL APPARATUS COMPRISING A CAPACITIVE DEVICE FOR DETECTION OF THE ANGULAR POSITION OF A WHEEL SET, AND METHOD FOR DETECTION OF THE ANGULAR POSITION OF A WHEEL SET | 06-23-2016 |
20160202666 | HAND-MOVING MECHANISM AND TIMEPIECE | 07-14-2016 |
368081000 | Having motor located in hand | 2 |
20100182878 | CHRONOGRAPH - A chronograph with a chronograph driving mechanism through which a chronograph hand staff of a chronograph hand can be driven in rotation, with a rattrapante hand staff, arranged coaxially to the chronograph hand staff, of a first rattrapante hand that can be driven in superimposed position with the chronograph hand. The chronograph hand staff and rattrapante hand staff are connected to one another in locked-rotation, wherein the rotation of the rattrapante hand staff can be blocked in order to display a split time. A second rattrapante hand is connected frictionally with a second rattrapante hand staff arranged coaxially to the chronograph hand staff. The chronograph hand and the second rattrapante hand can be driven in movement synchronously in superimposed position, wherein the rotation of both rattrapante hand staffs can be blocked independently from one another in order to display two different lap times. | 07-22-2010 |
20160033939 | STEPPING MOTOR CONTROL CIRCUIT, SEMICONDUCTOR DEVICE, AND ANALOG ELECTRONIC TIMEPIECE - A stepping motor control circuit includes a drive pulse generation section that generates forward-rotation drive pulses that drive a stepping motor stepwise in a forward rotation direction and reverse-rotation drive pulses that drive the stepping motor stepwise in a reverse rotation direction and a forward/reverse rotation switching control section that switches the drive pulses outputted to the stepping motor from one of the forward-rotation drive pulses and the reverse-rotation drive pulses to the other, and the forward/reverse rotation switching control section switches the drive pulses outputted to the stepping motor from one of the forward-rotation drive pulses and the reverse-rotation drive pulses to the other and then provide a predetermined period before the other drive pulses are outputted to the stepping motor. | 02-04-2016 |