Abstract: A method for estimating the state of charge or discharge of a battery or cell of a system having a low power consumption, such as a portable object, which includes at least one power management circuit connected to a battery or cell, and a processing unit of a module connected to the power management circuit. At least one battery voltage value is communicated by the power management circuit to the processing unit of the module to run an algorithm for controlling the state of charge or discharge of the battery, which algorithm is stored in the processing unit so as to provide the state of charge or discharge of the battery or cell.

Abstract: The invention relates to a method for manufacturing an epilame mechanical part (2) comprising a substrate (4) made of a first material, the method comprising at least: a step (10) of depositing an epilame product (6) consisting of a second material on the substrate (4), said deposition being carried out in the form of a projection onto the substrate (4) of at least one collimated or localised beam (12; 12A, 12B) of material containing the epilame product (6); and a step (11) of treating the second material to ensure the cohesion of the components on the substrate (4).

Abstract: A horological resonator mechanism, including a structure and an anchoring unit from which is suspended at least one inertial element arranged to oscillate along a first degree of freedom in rotation RZ about a pivoting axis extending along a first direction Z, the inertial element being subjected to return forces exerted by a virtual pivot including a plurality of substantially longitudinal elastic strips, each fastened, at a first end to the anchoring unit, and at a second end to the inertial element. Each elastic strip is deformable essentially in a plane XY perpendicular to the first direction Z. The anchoring unit is suspended from the structure by a flexible suspension arranged to allow the mobility of the anchoring unit along a plurality of degrees of freedom including at least two in the plane XY, along a direction X and along a direction Y orthogonal to the direction X.

Abstract: A navigation instrument including an orientation angle calculation unit, in particular the first and second orientation angles, wherein the orientation angle calculation unit is configured to be able to determine the first and second orientation angles in a given order and also in reverse order; and wherein the calculation unit is arranged to be able to choose between said given order and said reverse order, to calculate the first and second orientation angles, based on a comparison between an indicator of a risk of error, quantifying a risk of instability of said unit during the determination of the first and second orientation angles, and a predetermined threshold.

Abstract: The invention relates to a device (1) for pinning up to the stud and setting an active length of a balance-spring (2) for a horological movement, this balance-spring (2) being arranged in coils along a determined length, this device (1) comprising a push-button (6) arranged to hold the balance-spring (2) mechanically at a location of the length of this balance-spring (2). The invention also relates to a process for setting the active length of the balance-spring by means of the device (1) for setting and adjusting the active length of the balance-spring.

Abstract: A case (2) for a wristwatch (1) including: a middle part (4) including a wall (10) having two attachment areas (12) of the bracelet (24) disposed on either side of a plane (P) transverse to the middle part (4) substantially perpendicular to a back (20) of the case (2); two horns (6) capable of ensuring the complete attachment of the bracelet (24) to the middle part (4) by being connected to different ends of this bracelet (4), said horns (6) being removably and slidably attached to said attachment areas (12), and the back (20) attached to a mounting area (21) of the case (2) participating in blocking the horns (6) in translation in a direction of sliding (D) on the middle part (4) parallel to a central axis (A) of the case (2).

Abstract: Timepiece (1) comprising at least one mechanical movement (10) including at least a main plate (2), a resonator (11) and energy storage and distribution means (3) connected to an escape wheel set (4) by a going train (5), wherein at least one of the wheel sets, comprised in the going train (5) or an escapement mechanism (6) to which the escape wheel set (4) belongs, and which cooperates with the resonator (11), and which moves in a jerky or reciprocating motion during operation of the resonator (11), is a display wheel set (7) which includes at least two distinct pictures or patterns (8), which are arranged to move in succession before a fixed point of the main plate (2), during operation of the resonator (11), and to display thereon a sequence of animated images.

Abstract: A system for adjusting an illumination function of a watch including an external timepiece element with an autonomous lighting device, the system including a portable electronic device with a communication unit and a controller to control this communication unit, the lighting device being formed by an assembly of stacked layers connected together and each including one or more of the following functional elements: a light source for generating light in a visible face of the body of the at least one external timepiece element; a self-contained power supply unit; a communication module; and a control unit to control the switching on or off of the light source and to control the communication module, the external timepiece element and the device to be connected to each other to adjust the illumination of the external timepiece element.

Abstract: A timepiece including at least one timepiece external element including a visible face formed by a transparent or translucent body including an autonomous lighting device, the timepiece external element being formed by an assembly of a plurality of stacked layers connected together, each including one or more of the following functional elements of the lighting device: at least one light source capable of generating light in the visible face of the timepiece external element; a self-contained power supply unit; and a control unit configured to manage the operation of the light source; the at least one light source being configured to produce localised light on a point or quasi-point area of the visible face of the timepiece external element, so as to produce localised illumination on the timepiece external element.

Abstract: A dial for a watch including an autonomous lighting device including the following functional elements: at least one luminous source, an autonomous power supply unit, and a control unit for managing the operation of the at least one luminous source, the dial 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.

Abstract: An attachment part for attaching a free end of an outer last coil of a balance spring of a horological movement, this balance spring taking the form of a ribbon wound in coils and being delimited by first and second faces which extend parallel to and at a distance from one another, the attachment part including elastically deformable clamping means which are arranged to be brought into contact with the free end of the outer last coil of the balance spring in order to exert a resilient clamping force on this free end so as to guarantee the immobilisation thereof, this resilient clamping force being exerted along at least a first line of contact (A; B) on the first face of the balance spring and along a contact surface (S) on the second face.

Abstract: 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.

Abstract: A bracelet clasp of the folding clasp type including a base element (10) whose first and second long sides are formed respectively of first (1) and second (2) spars, at least one leaflet (3, 4) which is pivotable and articulated on the first and/or the second short side of the base element (10), and at least one cover (5, 6) pivoting and articulated on the at least one leaflet (3, 4). The base element (10) includes first (11) and second (12) openings joined to the first (1) and second (2) spars so that they constitute the flexible member, a pressure exerted simultaneously on each of the spars (1, 2) in a direction transverse to the clasp leading to an elastic deformation of the spars (1, 2) and to the unbolting of the at least one cover (5, 6) of the base element (10) to allow the wearer to open the clasp.

Abstract: A watch including a dial including a fixed portion superimposed on a portion movable in rotation including a surface on which are arranged areas with visual appearances different from each other, the fixed portion including at least one through opening emerging on at least one of the areas, the movable portion being kinematically connected to a control member so as to be rotated by actuating the control member and being configured so that when it is rotated, the areas of different visual appearance appear successively through the opening.

Abstract: One aspect of the invention relates to a device (100) for maintaining or limiting the shake, in at least one direction, of a timepiece component (30), said device comprising a stationary structure (20) arranged to abuttingly receive at least one surface of said component (30), and a rotary bolt (10), cooperating with said stationary structure (20), the rotary bolt (10) being rotatable about an axial direction (A) between a first angular position, referred to as the unlocking position, allowing said component (30) freedom of movement and a second angular position, referred to as the locking position, limiting the travel of said component (30) relative to the stationary structure (20) in said at least one direction, characterised in that said second angular position, referred to as the locking position, of the rotary bolt (10) is secured by resilient return means (3).

Abstract: A resilient casing ring (200) for casing a horological movement (10) inside a watch case (100) including a middle (110). The casing ring (200) includes an annular body (205) with a central axis (Z), and fastening tabs (210) carried by the annular body (205) and cooperating with the middle (110) to form a bayonet casing system (300) by rotation of the resilient casing ring (200) relative to the middle (110) about the central axis (Z), between an insertion position and a locked position. The casing ring (200) includes resilient retaining element cooperating with the horological movement (10) and exerting an axial force parallel to the central axis (Z) on the horological movement (10) by elastic deformation of the resilient retaining element when the resilient casing ring (200) is in the locked position in the middle (110).

Abstract: A watch (50) including an electromechanical movement provided with a stepper motor (2) and a control circuit (20) of the motor, and means for contactless communication with an external communication device (100), including an antenna formed by the coil (18) of the motor and arranged to receive an amplitude-modulated magnetic signal according to the encoded data. The communication means are arranged to generate electrical detection pulses supplied to the coil of the motor with a pulse frequency corresponding to an encoding frequency of the magnetic signal.

Abstract: A smart watch (1) including a case (100) having a middle (110), a horological movement (10) housed in the middle (110) and having a processing unit (13) and a communication module (12) electrically connected to electrical conductors (18) in the horological movement (10). The smart watch (1) also includes a common-ground device formed by a conductive resilient ring (200) having an annular body (205) with a central axis (Z), fastening tabs (210) carried by the annular body (205) and cooperating with the middle (110) to form a bayonet locking system (300) by the rotation of the conductive resilient ring (200) relative to the middle (110), about the central axis (Z), between an insertion position and a locked position. The conductive resilient ring (200) includes conductive lugs (250) in electrical contact with the electrical conductors (18) when the conductive resilient ring (200) is in the locked position in the middle (110).

Abstract: A fitting (20) for holding a flat component (1), including radial support stops (2; 3), and a chamber (40) bordered by jaws (21; 22) including clamping surfaces (310; 320) for holding the component (1), open on one side by a recess (41; 42) to perform an operation on the component (1), this fitting (20) is deformable between an open position and a closed position around the component (1) tightened by said jaws (21; 22) subjected to a closing force exerted by manoeuvring means arranged to bring these jaws (21; 22) closer to each other.

Abstract: A control module (10) of an electronic appliance including a push-piece (11) including a striker element (111), and a switch (12) adapted to occupy a connected state and an idle state. The striker element (111) is configured to drive the switch (12) into the connected state or into the idle state when the push-piece (11) is acted on. A shock absorber (116) is provided to absorb, by deforming elastically, a part of the forces involved when the striker element (111) drives the switch (12) into the connected state or into the idle state, at least when said forces are above a predetermined threshold.