Abstract: A regulating member for a horological movement includes an oscillating weight, for example a balance, a balance spring including a flexible strip wound about itself in a plurality of turns, the strip having a predefined rigidity to allow the oscillating weight to undergo a rotary oscillatory motion, and the strip including an outer end of the strip. The regulating member includes a resilient device for compensating for external pressure, connecting the outer end to a first support that is immobile with respect to the horological movement, the resilient compensation device being configured to adapt its stiffness according to the external pressure in order to compensate for an effect of the external pressure on the regulating member. Additionally, the horological movement includes the regulating member.

Abstract: A non-acoustic alarm for a portable object includes an electromagnetic motor which can be electrically controlled in order to generate a vibratory effect. The electromagnetic motor includes a movable magnetic circuit and a stationary magnetic circuit. The movable magnetic circuit includes a coil, a ferromagnetic core coupled to a magnetic cage forming an extension of the ferromagnetic core. The magnetic assembly of the movable magnetic circuit constitutes a movable magnetic mass of the non-acoustic alarm capable of generating the vibratory effect. The non-acoustic alarm includes resilient connection elements resiliently connecting the movable magnetic circuit to the stationary magnetic circuit. The resilient connection elements are shaped to guide and ensure that the movable magnetic circuit undergoes a linear, or quasi-linear, oscillatory motion during the electrical control of the electromagnetic motor.

Abstract: A method for measuring the medium frequency of a digital signal derived from a reference periodic signal generated by an electronic oscillator (quartz oscillator) forming a timepiece (2) which includes an analogue time display device and a continuous rotation electromechanical transducer (generator or continuous rotation motor) which is kinematically linked to this display device and wherein the medium rotational speed is regulated by a regulation device. The medium frequency of the digital signal is determined by a measurement device (70) without galvanic contact with the movement of the timepiece. The measurement method makes it possible to determine the rate of the timepiece and the precision of the electronic oscillator based on regulation impulses detected by a magnetic sensor (72) and over a measurement period limited to the duration of an inhibition cycle of periods of the reference periodic signal.

Abstract: A horological movement includes an escapement with a magnetic system to generate magnetic force impulses, so as to sustain the oscillation of the mechanical resonator associated with the escapement. In order to make possible an effective self-starting of the assembly formed of the mechanical resonator and of the escapement during a winding of the barrel, after a stop of the horological movement due to the unwound barrel spring, the escape wheel includes teeth and the pallet assembly includes two mechanical pallet-stones arranged to receive, upon starting, at least one mechanical force impulse of the escape wheel via one of the teeth thereof, the mechanical force impulse generating a starting force torque on the pallet assembly that is transmitted to the balance of the mechanical resonator to begin an oscillation of the latter so that the assembly can operate normally after a starting phase.

Abstract: A liquid crystal display device, the display device including: two facing transparent substrates designated respectively front substrate and rear substrate, the front substrate being same disposed on the observer side, the front and rear substrates being provided on the inner faces thereof with transparent structured electrodes whereof the superposition defines shape pixels switchable between two optical states, the electrodes being connected to a voltage source via a control circuit, forming a cell closed by a sealing frame for receiving in the spaced delimited by the substrates and the sealing frame a liquid crystal composition; and a decorative pattern in direct contact with the front substrate or the rear substrate.

Abstract: A regulating member (1) for a horological movement including an oscillating weight, for example a balance, and a balance spring including a flexible strip (2) wound about itself in a plurality of turns, the strip (2) having a predefined rigidity to allow the oscillating weight to undergo a rotary oscillatory motion, the strip (2) including an outer end (9), wherein the regulating member (1, 10) includes a temperature-compensating resilient device configured to adapt the stiffness thereof as a function of the temperature to compensate for the effect of temperature on the regulating member (1, 10), the resilient device including a resilient element (5) connecting the outer end (9) to a first support (7) that is stationary relative to the horological movement, as well as preloading means (6) for applying a variable force or torque to the resilient element (5) as a function of the temperature.

Abstract: A member for a horological movement including an oscillating mass, for example a balance, a flexible guide including at least two main flexible blades connecting a movable support to the oscillating mass to enable the oscillating mass to make a rotary movement about a virtual pivot, wherein the regulating member includes an elastic device for compensating for the temperature arranged so as to connect the movable support to a securing device for securing the regulating member on the horological movement, the elastic compensation device being configured to adapt its stiffness according to the temperature in order to compensate for the effect of temperature on the regulating member.

Abstract: 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.

Abstract: A horological movement includes a striking mechanism of a watch including a vibrating element and a device for striking the vibrating element including a hammer fastened cantilevered to a structure of the horological movement through blades of a flexible guide. The blades are arranged so as to extend according to directions parallel to an axis T tangent to the vibrating element.

Abstract: A regulating member for a horological movement including an oscillating mass, for example a balance, a flexible guide including at least two flexible blades connecting a rigid support to the oscillating mass to enable the oscillating mass to make a rotary movement about a virtual pivot, the regulating member including an elastic device for compensating for the external pressure, the elastic compensation device being arranged in series with the rigid support, so as to connect the rigid support to means for securing the regulating member to the horological movement, the elastic compensation device being configured to adapt its stiffness according to the external pressure in order to compensate for the effect of external pressure on the regulating member.

Abstract: A regulating member (10) for a horological movement including a balance, a balance spring including a flexible strip (2) coiled on itself in several turns, the strip (2) having a predefined rigidity to enable the balance to perform a rotary oscillatory movement, the strip including an outer end (9). The regulating member (10) includes a resilient device for compensating the direction of gravity with respect to the regulating member (10), the resilient device adapting its stiffness according to gravity to compensate for the effect of gravity on the regulating member, the resilient device including a resilient element (5) connecting the outer end (9) to a first non-movable support (7) with respect to the horological movement, as well as prestressing means (6) for applying a variable force or torque on the resilient element (5) according to the direction of gravity with respect to the regulating member (10).

Abstract: A method for tracing a digital information element in a computer system including electronic devices of users and a system for archiving digital information elements including a blockchain-type distributed database, the method including a step of making the digital information element from the electronic device of one of the users, a step of archiving the digital information element, the archiving step including a substep of generating an identification element of the version of the digital information element, the method including a step of adding the identification element signed with a secure element associated to this user and/or to their electronic device in the distributed database, the addition step including a substep of encrypting the identification element from a cryptographic algorithm and the secure element, the cryptographic algorithm including at least one metric variable associated to the user.

Abstract: A method for manufacturing a timepiece component including successive steps of: providing a timepiece component (1); breaking the timepiece component (1) into a plurality of pieces (10); depositing the pieces (10) on a support (2) and creating a desired pattern to be reassembled, the pattern having interstices (1) between the various pieces (10) of the timepiece component (1); transferring the support (2) into a mould adapted by hot forming and placing a preform (3) on the pieces (10) of the timepiece component; heating the whole to a temperature higher than the vitreous transition temperature of the preform (3) and applying a force on the preform to fill the interstices (11) and obtain a reassembled timepiece component (1?); cooling the whole below the vitreous transition temperature of the preform (3) to form the reassembled timepiece component (1?); recovering the reassembled timepiece component (1?) and machining it to the required dimensions.

Abstract: A time-limited power generation device (100) for a timepiece (1000), including a manoeuvring member (1) manoeuvrable by a user against an elastic return (2) arranged to indirectly drive an electric generator (6) for generating an electric current for a limited time period, and including a toothed member (3) movable with a degree of freedom relative to said manoeuvring member (1) and delimiting therewith a separate chamber (20) for receiving each elastic return (2), held compressed in its chamber (20) between a pre-stressed position of rest and a maximum compression position, between a first support banking (11) that includes the manoeuvring member (1) and a second support banking (32) that includes the toothed member (3), arranged to be driven by the elastic return (2) for driving the electric generator (6) directly or indirectly through a geartrain.

Abstract: A timepiece includes a mechanical movement with a mechanical oscillator and an electronic device for regulating the medium frequency of this mechanical oscillator. It includes an electromagnetic transducer and an electric converter which includes a power supply capacitor for powering the regulation circuit. The electromagnetic transducer is arranged to supply a voltage signal exhibiting first voltage lobes in first half-alternations and second voltage lobes in second half-alternations of the oscillations of the mechanical oscillator. The regulating device includes a load pump arranged to store momentarily electric loads which are extracted selectively in different time zones according to a time drift detected in the functioning of the mechanical oscillator relative to an auxiliary oscillator, particularly quartz-based. The electric loads extracted are rendered after a certain delay to the power supply capacitor also according to the time drift detected.

Abstract: One aspect of the invention relates to a polymerisable composition for a solid polymer electrolyte comprising a first polymer comprising a first moiety capable of coordinating cations of an alkaline metal and/or of an alkaline-earth metal and a photo-activable and/or heat-activable second moiety, an oligomer having at least two photo-activable and/or heat-activable groups, a second polymer comprising a third moiety comprising a salt of an alkaline metal or of an alkaline-earth metal, a solvent, and a polymerisation initiator allowing initiating polymerisation between the second moiety of the first polymer and the photo-activable and/or heat-activable groups of the oligomer by the action of a temperature comprised between 20° C. and 150° C. or of a radiation.

Abstract: A device is for fastening a back on a middle of a watch. The back includes a cover arranged to form a bearing surface with the middle and a body arranged to rest in the middle. The device includes a ring disposed between the back and the middle, the ring being arranged to ensure the water resistance and indexing of the back. The ring includes an upper part ensuring the water resistance and a median part including positioning to ensure precise placement of the back.

Abstract: A digital display device including, from top to bottom, a first red filter, a transflective liquid crystal display cell, a second red filter and an emissive display cell, the transflective liquid crystal display cell displaying information using at least one first seven-segment digit and the emissive display cell providing a plurality of juxtaposed light points which are arranged so as to provide a display formed by at least one second seven-segment digit.

Abstract: A winding device includes a motor for driving a watch holder carrying at least one automatic watch with a mobile oscillating mass, and a multimeter for measuring a variation in a resistive torque opposed to the motor by the watch holder equipped with watches, depending on a degree of winding of the watches. The multimeter includes a speed meter to determine a speed and/or a variation in the speed of the motor, a torque meter to determine a value of a torque and/or a variation in the torque at the watch holder, and/or a current meter to determine a value of a current and/or a variation in the current of an electric motor.

Abstract: A method for manufacturing a luminescent hand for a horological movement, preferably for a watch. The method includes providing a support comprising a light guide and structuring an emergent surface of the light guide so as to extract a maximum amount of light from the luminescent hand. The luminescent hand includes, over a lower face, a layer of luminescent material including one or more deposit(s) of fluorescent material, opposite a light source. The light source is laced at locations close to the axis of rotation or away from the axis of rotation but at a distance from the luminescent material. Thus, the light source is not placed on the luminescent hand.