H02J7/731

Switched mode power supply charger device, kit, and methods of manufacturing and using such a power supply device

A switched mode power supply charger device for a personal care appliance comprises a power supply cable and a power plug. The power plug comprises a housing comprising a first compartment and a second compartment adjacent the first compartment. A converter is disposed in the first compartment. A communication circuit is disposed in the second compartment.

Recharging device for an electronic or electromechanical watch and assembly thereof

A recharging device for an electronic or electromechanical watch equipped, on the one hand, with a device for the storage of electrical energy for powering electronic components of the watch and, on the other hand, with an auxiliary source of electrical energy adapted to power the device for the storage of electrical energy for recharging thereof. The device includes a casket provided with a support for receiving the watch. The device further includes at least one source of energy configured to supply energy to the auxiliary source of electrical energy, when the watch is placed on the receiving support, so that the auxiliary source of electrical energy converts the received energy into electrical energy and delivers a charge for maintaining a predetermined level of power supply voltage to the device for the storage of electrical energy.

Power management of communication system by DC voltage

An apparatus includes of a first earbud and a second earbud, each including an interface chip and a case. The case includes a case interface chip configured to communicate data with, and transfer power to, interface chips of the first earbud and the second earbud. The case also includes a housing to provide enclosures for the first earbud and the second earbud. The case interface chip is mated with interface chips of the first earbud and the second earbud when the first earbud and the second earbud are inserted in the housing, and wherein the case, the first earbud, and the second earbud are configured to operate at a multiple, different bias voltage levels.

Power management system for an input device

A computer mouse includes a power interface circuit (PIC) electrically and communicatively coupled to a processor(s), the power interface circuit operable to electrically couple to and receive power from a plurality of different types of external power sources including at least a first type of external wireless power source operable to wirelessly provide power to the computer mouse at a voltage and a first current and a second type of external wireless power source operable to wirelessly provide power to the computer mouse at the voltage and a second current. The PIC generates and sends type data to the processor(s) indicating whether the first type or the second type of external wireless power source is wirelessly and electrically coupled to the power interface circuit. The computer mouse changes its power consumption characteristics based on whether the first or second type of external wireless power source is coupled to the PIC.

SOLAR ENERGY MOBILE PHONE CASE/ BACK COVER
20260066674 · 2026-03-05 ·

The Smart Energy Consumption Monitoring System with Integrated Fast Charging and Solar Power provides a comprehensive solution for monitoring and managing energy usage in real-time for mobile devices. The system integrates sensors, data processing units, machine learning algorithms, solar panels, an MPPT module, and a fast-charging module to optimize energy consumption, promote efficiency, and ensure sustainable power supply.

CHARGING STRUCTURE FOR HAIR GROOMING DEVICE
20260061648 · 2026-03-05 ·

A charging structure for a hair grooming device is provided, including a charging base, a grooming device host, and an elastic mechanism. The charging base is provided with a first electrical contact configured to electrically connect to an external power source. The grooming device host is provided with a built-in power supply, and a second electrical contact electrically connected to the built-in power supply. When the first electrical contact contacts the second electrical contact, the elastic mechanism applies elastic adjustment to the first electrical contact or the second electrical contact, thereby establishing an elastic connection between the first electrical contact and the second electrical contact. With the structural configuration described above, the grooming device host operates without needing to connect to the mains power supply. Paired with a charging base for recharging and the elastic adjustment provided by the elastic device, it offers significant user convenience.

AEROSOL-GENERATING SYSTEM WITH CHROMATIC RECOGNITION
20260060325 · 2026-03-05 ·

An aerosol-generating system has an optical sensor disposed on a portion of an exterior surface of the aerosol-generating system. The optical sensor is configured to output sensor data. A controller is operably coupled to the optical sensor. The controller is configured to manipulate one or more operating parameters of an aerosolizer element of the aerosol-generating system based on the optical sensor data.

Charging cradle for smartglasses
12573865 · 2026-03-10 · ·

The present invention relates to the field of chargers, and in particular, to a kind of charging cradle device for smartglasses which may comprise a body member formed with a base portion having one or more platform portions or one or more protruding elements disposed thereon, each having one or more charging station elements comprising one or more magnet members and one or more charging portions, which may include one or more pins, configured to releasably connect to and charge one or more corresponding charging contacts of smartglasses.

Battery pack and state of charge estimation method thereof

A battery pack and a state of charge (SOC) estimation method of the battery pack are provided. The method includes estimating an SOC of the battery pack based on a real-time current flowing through the battery pack, where the real-time current is estimated according to real-time parameters of the battery pack, at least part of the real-time parameters of the battery pack are capable of being acquired by querying a battery pack database with at least partially data preset. With the preceding technical solution, a battery pack can be provided which has a low cost and can accurately estimate the SOC of the battery pack without a current detection resistor.

Earbud electrode alignment

The present disclosure provides to a housing configured to receive an earbud. The housing comprises two power providing charging electrodes configured to charge the earbud when the earbud is positioned in the housing. The housing further comprises a first magnetic element arranged in the housing and having a geometry such that the first magnetic element encircles at least one electrode of the at least two electrodes, where the first magnetic element is configured to generate an attractive force for the earbud in combination with a second magnetic element provided in the earbud.