557results about "Electric winding" patented technology

SUMMARY OF THE INVENTION An object of the present invention is to provide a timepiece rate control device that realizes statistical pulse control with zero average external force using a single or opposing actuator, and electronic hacking including a contactless brake with zero wear. [Solution] A rate control device comprising: at least one actuator arranged opposite a balance oscillator; detection means for detecting the oscillator phase; and a control circuit for selectively executing a statistical control mode in which a probability function is generated based on the phase difference between the output of the detection means and an external reference oscillator, and symmetrical pulses are applied in an even half-cycle phase window to make the average external force zero, and a stop mode in which the actuator is continuously or intermittently driven in response to an external command to apply a brake torque and stop the oscillator.

An object of the present invention is to provide a timepiece rate stabilizer that uses an external reference but does not directly inject mechanical vibrations into the balance, and that can stabilize the rate over a long period of time with extremely low power consumption. [Solution] We provide a rate stabilizer for mechanical watches that is based on a statistical driving method with constant pulse width and amplitude and autonomously switches between four modes based on actual current consumption: normal mode using phase shift, ΔΣ1 bit stream mode, low detune frequency hopping mode, and chirp search mode.Without modifying the hairspring at all, we achieve both rate stability and low power consumption while maintaining constant instantaneous energy.

A decorative plate is placed on one surface side of a solar cell. The decorative plate includes a plurality of first inclined surface and a through hole. The plurality of first inclined surfaces are formed from one side to an other side. The first inclined surfaces rise from the solar cell side. The first inclined surfaces rise from the one side to the other side. The through hole is formed in at least a part between adjacent first inclined surfaces. A region of the decorative plate located on the one side of the through hole and a region of the decorative plate located on the other side of the through hole are provided in positions that do not overlap in plan view.

An electronic watch may include a housing defining a side wall, a display, a front cover positioned over the display, and an input system configured to receive a rotational input and a translational input. The input system may include a crown including a knob external to the housing and a rotor coupled to the knob and configured to rotate in response to the rotational input and translate in response to the translational input. The input system may further include a first laser module configured to direct a first laser beam onto the rotor and receive first reflected light from the rotor, a second laser module configured to direct a second laser beam onto the rotor and receive second reflected light from the rotor. The electronic watch may further include a processing system coupled to the first and second laser modules and configured to determine a parameter of the rotational input.

One aspect of the utility model relates to a watch dial comprising an autonomous lighting device, the autonomous lighting device (3) comprises the following functional elements: at least one light emitting source (4), an autonomous power supply unit (21), and a control unit (7) used for managing the operation of the at least one light emitting source (4), the dial (2a, 2b) is formed by a plurality of assemblies (9a, 9b) through stacked layers (10, 11, 12, 13, 14), the plurality of layers (10, 11, 12, 13, 14) are connected together via stacked layers (10, 11, 12, 13, 14) and each comprise one or more functional elements of the autonomous lighting device (3).

A mechanical timepiece includes: a hairspring; a permanent magnet; a soft magnetic core; a control circuit for performing rate adjustment based on a counter-electromotive voltage caused in a coil by a motion of the permanent magnet accompanying a forward direction motion and a reverse direction motion of the balance wheel. The permanent magnet is arranged so that, under a state in which the hairspring is brought to an equilibrium length, a direction of magnetization is directed to the first end portion side or the second end portion side.

A control circuit of a timepiece motor (2), including a bipolar permanent magnet (6), a stator (4) defining two isthmi (12a &12b) and two rest positions for the rotor, and a coil (18) mounted on the stator. The control circuit can determine the position of the rotor at rest. An electric pulse generator (22) for detecting an external magnetic field formed by a circuits for: measuring the electrical current in the coil after an electrical pulse has been triggered, comparing the measured electrical current with a reference current, measuring the time allowing measuring a rise time between triggering of the electrical pulse and the next time the electrical current flowing in the coil reaches the reference current, and processing the rise time to be able to determine whether the measured rise time indicates the presence of a given external magnetic field passing through the two isthmi.

An electronic watch may include a housing defining a side wall, a display, a front cover positioned over the display, and an input system configured to receive a rotational input and a translational input. The input system may include a switch element positioned within the housing and defining a first opening along a top of the switch element, a crown including a knob external to the housing, and a shaft assembly coupled to the knob and extending through a second opening in the side wall of the housing and through the first opening in the switch element, the shaft assembly defining an actuation feature configured to actuate the switch element in response to the translational input, and a rotation sensing system configured to detect the rotational input.

A socket with watch charging function is provided, including a socket body, wherein the socket body has a socket input end and a mains jack, and the socket body is further provided with a power module and a watch charger, wherein an input end of the power module is connected to the socket input end, an output end of the power module is connected to a power supply input end of the watch charger, for the power module to convert the mains electricity into adapted direct current to supply power to the watch charger, and the watch charger is used to charge an electronic watch.

The invention relates to the field of electronic equipment, and discloses wearable equipment. The wearable device comprises a shell, a display screen and a battery, the display screen and the shell are fixedly connected and define a containing space, and the battery is contained in the containing space; the display screen comprises a display panel, a transparent substrate, a first solar panel and a first cover plate, and the transparent substrate is arranged on the side, opposite to the containing space, of the display panel; the first solar panel is arranged in a first area of the first surface, opposite to the accommodating space, of the transparent substrate, and the first solar panel is electrically connected with the battery; the first cover plate is arranged on the side, opposite to the containing space, of the first solar panel, and the space between the first cover plate and the transparent substrate is filled with optical cement. The first solar panel is integrated in the display screen, on one hand, high-grade waterproof and dustproof effects on the first solar panel can be achieved, on the other hand, the solar energy receiving efficiency of the first solar panel can be improved, and the wearable device can achieve high-efficiency charging through the first solar panel.

The oscillator is controlled with high precision. [Solution] (b) an Arnold-Tan evaluation means having a sweep program that continuously or discretely scans injection points, measures the response of the oscillator at each injection point, and determines the most stable injection point; (c) a control means that calculates and sets injection parameters for the actuator based on the phase detection signal of the sensor and the evaluation, and controls the actuator based on a control law based on Arnold-Tan stability analysis; and (d) an optimization means that evaluates the vibration state after injection and dynamically optimizes the injection parameters based on the control effect.

The utility model relates to the technical field of quartz watches, in particular to a stable anti-falling quartz watch, which comprises a main watchcase, a watchband arranged on the main watchcase, a case inner cavity and an anti-falling screw groove arranged on the main watchcase, an internal thread and a watchcase bottom cover arranged in the case inner cavity, a sinking groove through hole and a protective disc arranged on the watchcase bottom cover, an anti-falling screw pin arranged in the sinking groove through hole, and a protective disc arranged on the protective disc. The anti-disengaging screw pin is provided with a pin cap, the protective disc is provided with external threads and stable elastic columns, the pin cap is provided with an anti-loosening pressing pad, the anti-disengaging screw pin is provided with an arc-shaped inverted face, the arc-shaped inverted face is provided with a first abrasion-resistant layer, the anti-loosening pressing pad is provided with a second abrasion-resistant layer, the pin cap is provided with an inner hexagonal groove, a cross-shaped groove is formed in the inner hexagonal groove, and the meter shell bottom cover is provided with a buckling groove. The stable anti-falling performance between the watchcase bottom cover and the bottom of the main watchcase is improved, and the watchcase bottom cover can be conveniently and rotatably detached from the main watchcase.

The present invention provides a watch equipped with a device for illuminating the display space, which is relatively easy to manufacture and fit into the watch by passing it through the inner surface of the flange. [Solution] The watch (2) comprises a flange (14), an inner surface (28) defining a display space (70) on its side, and an illumination device (20) having at least one light source (10) powered by a power source on the watch. The illumination device more specifically comprises at least one translucent element (12) forming a flange arranged above the at least one light source, a lower injection surface (22) configured to allow most of the light (30) provided by the at least one light source to be injected into at least the translucent element, a lateral exit surface (26) from which at least the majority of the light injected into at least the translucent element can exit, and an intermediate surface (24) configured to receive at least the majority of the injected light without any prior reflection and substantially reflect at least the majority of the injected light toward the lateral exit surface.

A method for the fine adjustment of the rate of a mechanical oscillator with an oscillating inertial mass, equipped, in a first step, with an actuator made of material suitable for irreversible local micro-expansion under the action of laser fires, to impart to an inertia-block a radial travel during suitable laser fires on a writing zone of the actuator, in a second step, the initial rate of the oscillator is set and measured, in a third step, the direction and the value of the deviation required to achieve a predetermined rate range, and of the travel to be imparted to inertia-blocks are calculated, in a fourth step, a writing zone is subjected to femtosecond laser fires to create expansion lines by local molecular expansion to radially deform the actuator, in a fifth step the rate is measured and the third step and fourth step are repeated if required.

To provide an electronic clock which, when composing an electronic clock differing in case size, enables prevention of increase in the cost thereof and furthermore enables improvement of the reception performance thereof.SOLUTION: The electronic clock comprises: a case; an indicator; a nameplate; a drive mechanism for driving the indicator; a bottom plate to which the drive mechanism is attached; an antenna which is located between the nameplate and the bottom plate in a lateral view when viewing from a direction parallel to the surface of the nameplate; and a circuit board. The antenna includes a tabular radiation electrode, a tabular ground electrode, and a dielectric substance which is located between the radiation electrode and the ground electrode in a lateral view. The circuit board is electrically conducted to the radiation electrode via a power feeding member, and the radiation electrode comprises a protrusion that protrudes to the outside of the bottom plate in a plan view when viewing from a direction orthogonal to the surface of the nameplate.SELECTED DRAWING: Figure 2

The invention relates to a horological movement comprising a striking mechanism of a watch including a vibrating element and a striking device of said vibrating element comprising a hammer fixed overhanging a structure of the horological movement by means of strips of a flexible guide, said strips being both arranged so as to extend in directions intersecting at a point materialising an instantaneous centre of rotation C disposed along an axis T tangent to the vibrating element.

An object of the invention is to prevent a positional deviation of a hand while reducing power consumption. A watch includes: a plurality of hands; a plurality of motors configured to drive or brake the plurality of hands, respectively; a pulse generation unit configured to supply, to the plurality of motors, a drive pulse for driving the hands and a lock pulse for braking the hands; and a control unit configured to control an operation mode including a normal hand movement mode and a tactile read mode, and the pulse generation unit supplies the lock pulse to the motors when the control unit shifts the operation mode to the tactile read mode.

A timepiece including at least one external timepiece element including a visible face formed of at least a first opaque part and at least a second transparent or translucent part, the at least one external timepiece element including an autonomous lighting device including the following functional elements: at least one light source capable of generating a light in the visible face of the external timepiece element; a self-contained power supply unit; and a control unit configured to manage the operation of the light source; the at least one external timepiece element being formed by an assembly of a plurality of stacked layers connected together and each including one or more functional elements of the autonomous lighting device.

It suppresses malfunctions caused by static electricity. [Solution] The electronic clock comprises a substrate having an antenna, a metal plate-shaped member, and a case having a metal side wall facing the end face of the plate-shaped member, and housing the substrate and the plate-shaped member. The plate-shaped member is electrically connected to the side wall of the case, and a gap is provided between a part of the plate-shaped member and the side wall. The electronic clock may also include a conductive member interposed between the plate-shaped member and the side wall of the case to electrically connect the plate-shaped member and the side wall.

To enable confirmation of whether a user's position has been correctly detected. [Solution] The alarm clock comprises a timekeeping unit (331) that keeps time, a sensor (21) whose output changes depending on the position of surrounding objects, a setting unit (332) that sets a first time based on user input, an image generating unit (336) that generates an image, and a sound control unit (335) that plays an alarm sound when the time kept by the timekeeping unit reaches a time determined depending on the first time. The image generating unit generates an image regardless of the output of the sensor during a first time period that includes a time before the first time, and executes a sensor response image generation process that generates an image depending on the output of the sensor during a second time period that is different from the first time period.

An electronic device and a control method are provided. The electronic device includes: a housing with an accommodating space, where the housing is provided with a groove surrounding the accommodating space, and a first dielectric and a second dielectric are disposed on a sidewall of the groove; and a bezel, where at least part of the bezel is disposed in the groove; and the bezel is capable of rotating around an axial direction of the housing in the groove.

Provided is a stepping motor control device that prevents a terminal voltage of a battery from decreasing even when a plurality of motors are driven simultaneously at a high speed. The stepping motor control device includes: a control unit configured to control a driving unit that drives a plurality of motors including a first motor driven at a prescribed driving cycle, and a second motor driven at a driving cycle that is the same as or an integral multiple of the driving cycle of the first motor to drive the motors by outputting a driving pulse; and a storage unit configured to store a width of the first driving pulse and a width of the second driving pulse. When a sum of a pulse width of the first driving pulse and a pulse width of the second driving pulse is longer than the driving cycle of the first motor, in the driving cycle of the first motor, a part of the first driving pulse and at least a part of the second driving pulse are simultaneously output, and a pause period is provided, in which neither the first driving pulse nor the second driving pulse is output after the first driving pulse and the second driving pulse are output and before a start timing of a next driving cycle of the first motor.

This invention relates to a watch movement including a generator. The electromechanical watch movement (2) includes pointer-type time display devices (25, 26) and is provided with: at least one electromechanical motor for driving at least one indicator of the pointer-type time display; and a generator (20) including a rotor (20A) and associated with a balance wheel (22) coaxial with the time display device. The watch movement includes a first wheel (40) provided with a shaft (36) coaxial with the indicator, which in a primary embodiment is guided to rotate by a fixed cylindrical tube (30). At least one gear shaft (26) of the time display device is rotatably mounted around the fixed cylindrical tube (30). The first wheel (40) meshes with the rotor of the generator and is fixedly connected to the balance wheel on a side opposite the pointer-type time display, such that the balance wheel can rotate the rotor of the generator via the first wheel.

The application discloses a forward and reverse clock movement, which comprises a shell, an MCU controller, a transmission structure, a first coil motor, a second coil motor and a rotor magnet which are arranged in the shell; the transmission structure comprises multiple-stage gears which are sequentially and mutually meshed, and a gear for being connected with a pointer is a pointer gear; the rotor magnet is fixedly connected with a first-stage gear of the multiple-stage gears; the MCU controller inputs a first driving pulse current into a first coil of the first motor coil to generate a magnetic field so as to make the first-stage gear rotate, and further make the pointer gear rotate forward; the MCU controller inputs a second driving pulse current into a second coil of the second motor coil to generate a magnetic field so as to make the first-stage gear rotate, and further make the pointer gear rotate reversely. When time needs to be corrected, a direction with a small rotation amplitude of the pointer is selected to be adjusted forward or reversely, so that the time can be corrected more quickly and accurately.

Disclosed is an electronic timepiece, including: a tilt switch mounted in a predetermined position; and at least one processor that changes an operation mode of the electronic timepiece, based on a duration for which there is no change in an output signal of the tilt switch, from a normal mode to a first power saving mode in which power consumption is suppressed more than in the normal mode.

A timepiece includes a first display including a hand, a second display, a solar panel provided at a position having a possibility that external light is blocked by the hand that is displaying time, and at least one processor that controls an operation mode of the first display and the second display. The at least one processor switches the operation mode between a first mode in which the hand of the first display displays the time and a second mode in which the hand is evacuated to a predetermined evacuation position that makes the external light that is blocked by the hand less as compared to in the first mode and the second display displays the time.

A method for switching a wristwatch (1) from a first power mode to a second power mode, comprising: using an accelerometer (23) for detecting a wristturn, and switching said wristwatch (1) from said first power mode to said second power mode when a wristturn has been detected, wherein said step of detecting a wristturn comprises: detecting that an orientation of the wristwatch (1) is in a starting position, wherein said step of detecting that the orientation is in the starting position comprises detecting that the orientation of the wristwatch (1) is held within a first range for a defined time; detecting that an orientation of the wristwatch (1) is then in a final position, wherein said step of detecting that the orientation is in the final position comprises detecting that the orientation is in a second range different from said first range, and in response to a detection that the orientation of the wristwatch (1) is in the second range, detecting that the wristwatch (1) remains substantially immobile during a predetermined duration.