G04C10/00

Micro-Power Generator Suitable for an Electronic Device, Electronic Device Comprising Such a Micro-Power Generator

Provided is a micro-power generator suitable for a wearable, portable or moving electronic device, including a rotor wheel including a multipole magnetic array of a circular design, such as a multipole magnetic ring or disc, which multipole magnetic array has an inner radius r3 and an outer radius r4, at least one stator which is a multipole metal stator including at least one stator coil having a plurality of windings for producing an electric voltage, and a base plate onto which the rotor wheel and the stator are mounted. The at least one stator is fixedly connected to the base plate. The rotor wheel is pivotally connected to the base plate by a pivoting mechanism which allows for a rotation of the rotor wheel about a pivot axis perpendicular to a first plane in which the rotor wheel extends, which pivot axis preferably has a concentric orientation to the rotor wheel. The rotor wheel is provided on one side of the base plate, and the rotor wheel has a centre of mass that has an eccentric position with respect to the pivot axis.

Electromechanical transducer and electronic timepiece

Provided is an electromechanical transducer to be detachably attached to an electronic device, the transducer including: first and second plates; a rotor rotating around a rotating shaft supported by the plates; a fixed substrate disposed between the plates and facing the rotor; a charged portion having sub-regions disposed on the rotor at intervals in a rotating direction thereof so as to face the fixed substrate; an opposing electrode disposed on the fixed substrate so as to face the rotor; an adjusting unit for adjusting sliding properties of the rotating shaft, the adjusting unit being provided for at least one of the plates; and a gear train coupled to the rotating shaft. The gear train transmits motive power generated by the rotor rotated by electric power of the electronic device to the electronic device or transmits motive power generated by a change in orientation of the electronic device to the rotor.

Electromechanical transducer and electronic timepiece

Provided is an electromechanical transducer to be detachably attached to an electronic device, the transducer including: first and second plates; a rotor rotating around a rotating shaft supported by the plates; a fixed substrate disposed between the plates and facing the rotor; a charged portion having sub-regions disposed on the rotor at intervals in a rotating direction thereof so as to face the fixed substrate; an opposing electrode disposed on the fixed substrate so as to face the rotor; an adjusting unit for adjusting sliding properties of the rotating shaft, the adjusting unit being provided for at least one of the plates; and a gear train coupled to the rotating shaft. The gear train transmits motive power generated by the rotor rotated by electric power of the electronic device to the electronic device or transmits motive power generated by a change in orientation of the electronic device to the rotor.

Electronically Controlled Mechanical Timepiece
20230024159 · 2023-01-26 ·

An electronically controlled mechanical timepiece includes: a rotor including a rotary shaft, a pinion that is provided on the rotary shaft and to which torque from a mainspring is transmitted, and a rotor magnet attached to the rotary shaft, the rotor being configured to rotate by the torque; a generator that includes a coil and a stator and that is configured to generate power by rotation of the rotor; a main plate that contains a magnetic material, that has an opposing surface opposed to the stator, and that is configured to support the rotary shaft of the rotor; wherein in a cross-sectional view viewed from a direction perpendicular to an axial direction of the rotary shaft, a center of the stator along the axial direction is disposed farther toward the opposing surface side than a center of the rotor magnet along the axial direction.

Electronically Controlled Mechanical Timepiece
20230024159 · 2023-01-26 ·

An electronically controlled mechanical timepiece includes: a rotor including a rotary shaft, a pinion that is provided on the rotary shaft and to which torque from a mainspring is transmitted, and a rotor magnet attached to the rotary shaft, the rotor being configured to rotate by the torque; a generator that includes a coil and a stator and that is configured to generate power by rotation of the rotor; a main plate that contains a magnetic material, that has an opposing surface opposed to the stator, and that is configured to support the rotary shaft of the rotor; wherein in a cross-sectional view viewed from a direction perpendicular to an axial direction of the rotary shaft, a center of the stator along the axial direction is disposed farther toward the opposing surface side than a center of the rotor magnet along the axial direction.

Connected, mechanical winding watch
11703810 · 2023-07-18 · ·

An electronic watch having a timekeeper logic unit set to control a display of the time. A controller is in communication with an external device or with internet through a wireless interface of the watch. A mechanical energy harvester system is set to transform mechanical energy deriving from the movements of a wearer to electrical energy. A power manager circuit stores the electrical energy in a battery and/or in a capacitor, and to supply the logic unit, the controller and the wireless interface with energy stored in the battery and/or in the capacitor.

Display device and timepiece
11693370 · 2023-07-04 · ·

A display device includes a display panel that has a curved part at least at a part of an outer edge of the display panel. The display device also includes a bent connector that is arranged along the curved part and electrically connected to the display panel.

Display device and timepiece
11693370 · 2023-07-04 · ·

A display device includes a display panel that has a curved part at least at a part of an outer edge of the display panel. The display device also includes a bent connector that is arranged along the curved part and electrically connected to the display panel.

Self-adjustable horological oscillator

A horological movement (6) including: a plate (7); a mechanical resonator (8) including an oscillating balance (11) rotatably mounted relative to the plate (7), and a spiral spring (22) coupled to the balance (11); an electromagnetic regulator (29) coupled to the mechanical resonator (8) to regulate the frequency of the oscillations of the balance (11), and including at least one permanent magnet (30) fixedly mounted relative to the plate (7), at least one coil (31), a quartz or silicon resonator (32) and an electronic circuit (33) connected to the resonator (32) and to the coil (31), all mounted on the balance (11) while being completely included in an inner cavity (18) delimited by the latter.

Electronic timepiece
11537083 · 2022-12-27 · ·

An electronic timepiece suppresses loss of power generating performance of a solar panel, and suppresses drop loss of antenna performance. The electronic timepiece has a pivot; a dial that transmits a light through which the pivot passes; an antenna having a radiating electrode through which the pivot passes; and a solar panel through which the pivot passes and which is disposed between the dial and the radiating electrode. The solar panel has a power generating part that converts light to electrical energy, and is disposed, in a plan view through the thickness direction of the dial, superimposed with the radiating electrode. Part or all of the outside circumference of the radiating electrode is disposed outside the power generating part in plan view.