Abstract: A device for loading and applying a cosmetic composition may comprise an applicator comprising an electric heater member, a container containing the composition, the container comprising a housing configured to receive at least part of the applicator so as to load the applicator with the composition, and an electrical circuit configured to power the heater member. The circuit may be configured so that the power supply to the heater member is automatically modified, leading to an increase in the electric power that is dissipated by the heater member when said heater member is received in the housing, when a predefined condition relating to the at least part of the applicator being received in the housing is satisfied.

Abstract: A generator for exciting a piezoelectric transducer, includes at least one digital processor unit. The digital processor unit is configured to operate at least in an iterative operation stage including more than two successive iterations. Each iteration includes: exciting the transducer at a plurality of frequencies in a frequency band about a set-point frequency; during transducer excitation, acquiring one or more values related to at least one electrical magnitude associated with the excitation of the transducer for a plurality of frequencies in the frequency band; and analyzing the values acquired to determine a new set-point frequency for a subsequent iteration.

Abstract: A piezoelectric spraying system may include a case defining at least one housing to receive at least one removable refill. The removable refill may include at least one reservoir configured to contain a product to be sprayed, at least a portion of at least one piezoelectric sprayer device, and at least one product supply system for the piezoelectric sprayer device. The piezoelectric spraying system may further include an electric motor so as to activate the product supply system of the removable refill, and a controller configured to control one or more operations associated with the motor and the piezoelectric sprayer device.

Abstract: A device for applying a cosmetic or for adding finishing touches to makeup, the device comprising a heater member comprising a resistive track that is printed or that is made by etching a coating that is deposited on a substrate, the device comprising a temperature sensor that is disposed level with the heater member, the temperature sensor being in contact with the substrate, in particular in the form of a circuit that is printed or etched on the substrate.

Abstract: The present invention relates to an assembly comprising: at least two independent refills, each comprising a reservoir containing a composition to be diffused or dispensed, and an electronic memory containing an audio and/or video file or a link that makes it possible to download such a file; and a dispenser or diffuser appliance for dispensing or diffusing a composition, said appliance being arranged to receive both refills simultaneously, to read the content of the electronic memory of at least one of the refills, and to diffuse or dispense the composition contained in said refill.

Abstract: The present invention relates to a refill for a spray device for spraying at least one scented substance, the refill comprising: a reservoir of elongate shape along a longitudinal axis; and a transporter element for transporting the substance by capillarity, the element being of a shape with a bend, being in contact with the substance in the reservoir and having a dispenser end for dispensing the substance, said end being oriented transversally relative to the longitudinal axis.

Abstract: The present invention relates to a cosmetic assembly comprising a cosmetic or dermatological composition contained in a reservoir, the said composition being liquid and comprising, in a physiologically acceptable medium, at least one pulverulent phase, and the said composition having a viscosity ranging from 5 to 500 mPa·s, and to a device for spraying the said composition, comprising a sonotrode (82) that is fed with composition via a hollow channel for feeding with product to be sprayed.

Abstract: The present invention relates to a cosmetic assembly comprising a cosmetic or dermatological composition contained in a reservoir, the said composition being liquid and comprising, in a physiologically acceptable medium, at least 10% by weight of water and at least one water-soluble coloring agent; and a device for spraying a cosmetic composition, comprising a container containing the said liquid cosmetic composition, equipped with a piezoelectric spraying mechanism for spraying the cosmetic composition in the form of droplets.

Abstract: A device for spraying a cosmetic or dermatological composition may comprise an ultrasound or electrostatic spray head, an airflow generator for entraining a spray of composition particles atomized by the spray head and a conditioning device, the conditioning device arranged to modify the temperature of the outgoing stream of air.

Abstract: A spray head for spraying a cosmetic or dermatological composition, in particular for application to the human body, may include a sonotrode for transmitting ultrasound vibration from a transducer to an ejection surface for ejecting particles of composition, the sonotrode including a channel for feeding the composition to the ejection surface. The channel may present a narrow portion between a composition inlet into the sonotrode and the composition outlet to the ejection surface.

Abstract: A device for spraying a cosmetic composition may include a sonotrode, the sonotrode having an end collar defining an ejection surface for ejecting particles of composition, the collar being suitable for bending under the effect of vibration of the sonotrode.

Abstract: An assembly includes a refill containing at least one composition, and an appliance that is configured to receive the refill so as to extract the composition from the refill. The appliance also includes a detector system for detecting at least one portion in relief of the refill. The at least one portion in relief may be associated with at least one item of information, in particular information that is associated with the composition. The detector system may further include at least one switch having a membrane that can be actuated by at least one portion in relief of the refill.

Abstract: A device for loading and applying a cosmetic composition may comprise an applicator comprising an electric heater member, a container containing the composition, the container comprising a housing configured to receive at least part of the applicator so as to load the applicator with the composition, and an electrical circuit configured to power the heater member. The circuit may be configured so that the power supply to the heater member is automatically modified, leading to an increase in the electric power that is dissipated by the heater member when said heater member is received in the housing, when a predefined condition relating to the at least part of the applicator being received in the housing is satisfied.

Abstract: A device for applying a composition may include an independent electrical energy source, at least one heater member that is powered by the independent electrical energy source and a circuit for controlling the power supply to the heater member. The circuit may be configured to power the heater member at least two power settings that differ at least as a function of the depletion state of the independent electrical energy source.

Abstract: A method for dispensing fluid, including flowing fluid from at least one reservoir to a fluid feed chamber of a piezoelectric sprayer device during a spray cycle, and at an end portion of the spray cycle, reversing the direction of flow of the fluid such that the fluid is substantially removed from the fluid feed chamber.

Abstract: A piezoelectric spraying system may include a case defining at least one housing to receive at least one removable refill. The removable refill may include at least one reservoir configured to contain a product to be sprayed, at least a portion of at least one piezoelectric sprayer device, and at least one product supply system for the piezoelectric sprayer device. The piezoelectric spraying system may further include an electric motor so as to activate the product supply system of the removable refill, and a controller configured to control one or more operations associated with the motor and the piezoelectric sprayer device.

Abstract: The present invention relates to an applicator for applying a composition to the human body, the applicator comprising: a support that is configured to be mounted in removable manner on an appliance that enables movement to be transmitted to said support; a reservoir that is secured to the support and that contains the composition, the reservoir being defined, at least in part, by at least one closure element; an applicator element that is secured to the support at least during use; and an opener element that is suitable for acting on the closure element in order to put the reservoir and the applicator element into communication.

Abstract: The invention discloses a device (1) for atomising a product including: a reservoir (10) containing the product, means of atomising the product which include: a wall (20) permeable to the product through which the product is sprayed, an actuator (40) designed to cause the permeable wall (20) to vibrate thereby atomising the product, the device being characterised in that the reservoir contains a porous member (30), in contact with the permeable wall so as to feed product thereto, the porous member occupying substantially the entire volume of the reservoir.

Abstract: A generator for exciting a piezoelectric transducer, includes at least one digital processor unit. The digital processor unit is configured to operate at least in an iterative operation stage including more than two successive iterations. Each iteration includes: exciting the transducer at a plurality of frequencies in a frequency band about a set-point frequency; during transducer excitation, acquiring one or more values related to at least one electrical magnitude associated with the excitation of the transducer for a plurality of frequencies in the frequency band; and analyzing the values acquired to determine a new set-point frequency for a subsequent iteration.