Abstract: A radiocommunication device, configured to implement a communication method, including an antenna for picking up at least one set of electromagnetic waves and/or for radiating at least one first group of data and/or at least one second group of data. The device further includes at least one first radiocommunication circuit, configured to receive at least one set of electromagnetic waves and/or to transmit at least one first group of data, and at least one second radiocommunication circuit, configured to receive at least one set of electromagnetic waves and/or to transmit at least one second group of data.

Abstract: A timepiece including a microgenerator (100), formed by a stator (20) including permanent magnets (25) and a rotor (10) including coils (11) and at least one light-emitting diode (31, 32), which is powered, either directly or indirectly via an electrical and/or electronic circuit, by at least one of the coils which supplies an electric current induced when it rotates relative to the stator (20). The rotor carries all of the electrical and electronic equipment formed by the at least one light-emitting diode, the coils and, where appropriate, the electrical and/or electronic circuit.

Abstract: A method for manufacturing a part by alloying a precious metal with boron, wherein: a quantity of precious metal reduced to powder form is provided; a quantity of a nano-structured micrometric boron powder is provided; the precious metal powder is mixed with the nano-structured micrometric boron powder to obtain a mixture; the mixture is compacted by applying a uniaxial pressure; the mixture is subjected to a spark plasma sintering or flash sintering treatment, or to a hot isostatic pressing (HIP) treatment, to obtain an ingot of a precious metal/boron alloy, and the ingot is machined to obtain the part, or the ingot is reduced to powder form by a micronisation treatment and the powder is treated to obtain the part. Additionally, a gold/boron alloy.

Abstract: A method for manufacturing a timepiece component. The method includes: providing a timepiece component (1); breaking the timepiece component (1) into a plurality of pieces (10); and depositing the pieces (10) on a support (2) and creating a desired pattern to be reassembled having interstices (1). The support (2) is then transferred into a mould and a preform (3) is placed on the pieces (10). The assembly is then heated to a temperature higher than the vitreous transition temperature of the preform (3) and a force is applied on the preform to fill the interstices (11) and obtain a reassembled timepiece component (1?). The assembly is then cooled below the vitreous transition temperature of the preform (3) to form the reassembled timepiece component (1?) whereupon the timepiece component (1?) is machined to the required dimensions.

Abstract: A mechanism (1) including a magnetic gear (2) including a first wheel (6B) and a second wheel (6C) provided with a first magnetic toothing (10) and a second magnetic toothing (12) respectively. The first and second magnetic toothings are respectively formed by first and second teeth made of a soft ferromagnetic material; and the magnetic gear (2) further includes a third wheel (6A) arranged between the first and second wheels (6B, 6C) and provided with a third magnetic toothing (8) formed by permanent magnetic poles, in particular by bipolar magnets. In general, the first wheel is a drive wheel, whereas the second wheel is driven into order to carry out a function or transmit a torque. The third intermediate wheel is preferably mounted such that it can rotate freely.

Abstract: A watch case including a middle and a hollow bezel provided with a near-field communication device including at least one microcircuit connected to an antenna, the bezel being removably mounted on the middle and formed by an assembly of two lining elements that could define a housing within which the near-field communication device is arranged, the first and second lining elements of the bezel being assembled together with a reversible fastening device.

Abstract: Provided is a device for fastening a back on a middle portion of a watch. The back includes a cover arranged to form a bearing surface with the middle portion and a body arranged to rest in the middle portion. The device includes an indexing ring disposed between the back and the middle portion, and the ring includes at least one lower catch arranged to cooperate with the back and ensure the indexing with the back and an upper catch are arranged to cooperate with the middle portion and ensure the indexing of the back and ring assembly in relation to the middle portion, and the upper catch has a height greater than that of the lower catch, or vice versa.

Abstract: A method (100) for depositing a coating on a substrate (1), which coating at least partially absorbs visible light, in order to form an item (10), such as a timepiece component.

Abstract: A decorative item is made of a ceramic material, where ceramic material includes a carbide phase and an oxide phase, the carbide phase being present in a percentage by volume comprised between 50 and 95% and the oxide phase being present in a percentage by volume comprised between 5 and 50%. The decorative item is manufactured by a method of powder metallurgy.

Abstract: A trim component (10) including a substrate (11) having a trim face (110) and including a decorative area (12, 13), a first portion (111) of the trim face (110) being defined by the decorative area (12, 13), the remainder of the trim face (110) defining a second portion (112) of the trim face (110), the first portion (111) of the trim face (110) having a refractive index different from that of the second portion (112) of the trim face (110), the whole of the the trim face (110) being covered with a transparent and/or translucent coating (14) with a thickness of between 5 nm and 1 ?m so as to give the trim face (110) interference colours, the colour of the first and second portions (111, 112) of the trim face (110) being different.

Abstract: A photoluminescent material comprising, by weight, between 19.8% and 54.8% of a polymer matrix, between 45% and 80% of a photoluminescent compound, between 0.2% and 5% of a first dye system and optionally between 0% and 1% of a porous silica, and a second dye system and additives, the total percentage of the second dye system and additives being between 0% and 15%, the first dye system comprising one or more dyes chosen from a trichromy of pigments formed by green pigments, blue pigments and red pigments, and a synthetic black pigment. Also, to an item coated with this photoluminescent material or made as a whole from the photoluminescent material.

Abstract: An item (10) including a substrate (1) and a multilayer coating (20) deposited on the substrate (1), the multilayer coating (20) being formed by combining a plurality of layers (21, 22, 23, 24) including a binder and pigments, the coating (20) including pigments of different particle sizes.

Abstract: A photoluminescent material including, by weight, between 19.3% and 54.3% of a polymer matrix, between 45% and 80% of a photoluminescent compound, between 0.5% and 15% of a zirconium oxide, between 0.2% and 7% of an optical brightener and optionally between 0% and 5% of an aluminium oxide, between 0% and 0.3% of a porous silica, a dye system and additives, the total percentage of the dye system and additives being between 0% and 15%. Also, an item coated with this photoluminescent material or made as a whole from said photoluminescent material.

Abstract: A photoluminescent material including by weight a polymer matrix in a percentage comprised between 19.99% and 54.99%, a photoluminescent compound in a percentage comprised between 45% and 80%, porous silica in a percentage comprised between 0.01% and 1% and optionally a dye system and additives with a total percentage for the dye system and additives comprised between 0% and 15%. Also, an article made from or coated with this photoluminescent material.

Abstract: A method (100) for depositing over a substrate (1) a coating (20) absorbing visible light for the formation of an item (10), such as a watch component, including: providing a substrate (1); depositing an underlayer (21) covering at least one portion of the substrate (1) by application of a first liquid mixture including a binder, a solvent and pigments having a d90 percentile of nanometric dimension, the underlayer (21) being formed by evaporation of said solvent; depositing a stack (25) of a plurality of layers (22, 23, 24) with different particle sizes between each layer n of the stack (25) by successive application of a plurality of liquid mixtures including a binder, a solvent and pigments with different particle sizes; each layer of the stack (25) being formed by evaporation of the solvent and each layer n at least partially covering a preceding layer n?1.

Abstract: Method for adjusting the rate of a basic oscillator of a watch arranged to oscillate at a nominal frequency N0, with a master oscillator generating an excitation frequency NE approximately equal to an integer multiple of this nominal frequency N0, the master oscillator subjecting the watch to excitation or a modulated motion during a transition phase after which the basic oscillator is stabilised at the excitation frequency NE, and a state of display correction method with a winder for mechanical or automatic watches, moving a support carrying the watch and comprising a state of display correction oscillator, having a lower variation of rate value than the initial variation of rate value DI of this basic oscillator, and oscillating at a correction frequency NC to impose oscillation or a motion on the watch, during a state of display correction phase whose duration is adjusted to exactly correct a state of display error measured at the initial moment of actuation.

Abstract: A portable modular unit for inspecting in a timepiece the presence of a lubricating agent, or of an epilame, having fluorescent markers, from an excitation luminous flux of white light. The modular unit includes an optical housing forming a first module, a portable white light source (200) emitting an excitation luminous flux forming a second module, and a portable magnifying device forming a third module. The optical housing includes a first mounting interface for removably mounting the portable white light source on the optical housing, the first mounting interface being configured so that the excitation luminous flux emitted by the portable white light source is directed in the direction of the excitation filter; and a second mounting interface for removably mounting the portable magnifying device on the optical housing, the second mounting interface being configured so that the magnifying device is opposite the inspection opening.

Abstract: A method for laser additive manufacturing of a mechanical part includes providing a laser beam the operation of which will be controlled by a computer into which is introduced a CAD computer file which is cut into one or more strata which, once superimposed, allow to form the structure of the desired mechanical part, disposing a substrate in a manufacturing enclosure wherein an atmosphere of a neutral gas is created, depositing on the substrate at least a first layer of a powder of a first metallic material to be melted, levelling the first layer, subjecting by means of the laser beam the first layer to a selective melting step, if necessary, depositing on the substrate a second layer, levelling the second layer and subjecting this second layer to a step of selective melting, removing the excess material and cleaning the assembly and subjecting the part to finishing operations.

Abstract: A correction method for a super-regenerative receiver being configured to resonate at at least one oscillator resonant frequency reference value and comprising at least one control stage, at least one varactor, at least one reference system and, at least one oscillator. The method includes at least one setup of at least one reference signal value by the at least one reference system, at least one comparison of at least one oscillator frequency actual value of the at least one oscillator with the at least one reference signal value by the at least one reference system and at least one adjustment of at least one gain of the at least one control stage.

Abstract: A rotary piezoelectric motor (1), in particular for a timepiece, including a rotor (3) configured to rotate and actuate a mechanical device, and a stator (2) configured to rotate the rotor (3), the stator (2) including a piezoelectric actuator provided with a resonator (29) arranged to perform an oscillatory motion, and a fixed element (4). The resonator in a movable element (5) arranged at a distance from the fixed element (4) and connected to the fixed element (4), the piezoelectric actuator being configured to move the movable element (5) against the rotor (3) to make it rotate, the movement of the movable element (5) making the rotor (3) rotate in a first direction.