19results about "Electric power supply circuits" patented technology

Provided are an electric wave correction timepiece, a system, and a control method for the electric wave correction timepiece, which can immediately correct to a local time even in an airport building and can do so without complicated operations. The electric wave correction timepiece is characterized by including a reception unit that receives satellite electric waves containing first time information, a close-range reception unit that receives electric waves containing second time information transmitted from a portable device, an operation unit that accepts an instruction operation, a reception control unit that selectively executes first reception processing that causes the reception unit to operate to acquire the first time information at a preset time, and second reception processing that causes the close-range reception unit to operate to acquire the second time information based on the instruction operation from the operation unit, and a time correction unit that corrects a displayed time based on the first time information acquired in the first reception processing or the second time information acquired in the second reception processing.

The utility model belongs to the field of wearable equipment, and disclose a waterproof performance good children's smart watch, including dial, first watchband and second watchband, both sides of dial all are provided with watchband lug, first watchband and second watchband are connected with the hinge link of dial through watchband lug, dial contains integral waterproof shell, touch display screen and internal electronic structure, the outside of touch display screen is provided with water repellent membrane, the integral waterproof shell is provided with the circumference type table cap corresponding with water repellent membrane, internal electronic structure contains battery, circuit board and charging plate, is provided with computing chip, cellular network chip, GPS positioning chip, storage unit etc. Electronic circuit structure on circuit board, be provided with wireless charging coil on charging plate, the utility model discloses compact and reasonable in design, utilize wireless charging and touch screen combination, watch external does not contain any interface and button, dial waterproof performance is good, not easy to water, is suitable for children to wear.

The clock (100) includes: - a time tracking and display system (122, 110); - a first supercapacitor (SC1); - a photovoltaic panel (106); and - a charging system (128) from the photovoltaic panel (106).The clock (100) further comprises: - a second supercapacitor (SC2); and - a mixer (134) designed to, when a voltage (U1) of the first supercapacitor (SC1) is greater than a certain level (U2), connect the first supercapacitor (SC1), but not the second supercapacitor (SC2), to the tracking and display system (122, 110) to power the latter electrically from the first supercapacitor (SC1), and, when the voltage (U1) of the first supercapacitor (SC1) is equal to the level (U2), connect the second supercapacitor (SC2) in addition to the first supercapacitor (SC1) to the tracking and display system (122, 110) to power the latter electrically from the first and second supercapacitors (SC1, SC2).

This utility model belongs to the field of alarm clocks, specifically an electronic ink-based alarm clock, comprising: an MCU, a USB power detection circuit, a battery power detection circuit, an accelerometer, a temperature and humidity sensor, a real-time clock control circuit, a buzzer, an e-ink screen, a button circuit, a lithium battery, a 3.3V linear voltage regulator circuit, a USB interface, and a charging management circuit. The USB power detection circuit, battery power detection circuit, accelerometer, temperature and humidity sensor, real-time clock control circuit, buzzer, e-ink screen, USB interface, 3.3V linear voltage regulator circuit, and button circuit are all electrically connected to the MCU. The battery power detection circuit is also connected to the lithium battery, and the USB power detection circuit is connected to the USB interface. It features low power consumption, high readability, intelligent management, environmental awareness, and accurate time display, providing users with a more convenient, intelligent, and reliable alarm clock experience.

The application provides a watch support system and method for correcting children's sitting posture, and relates to the technical fields of children's health protection and intelligent wearable devices. The system adopts a polycarbonate low-cost watch support, which is fixed by sticking to a positioning reference of a standard 26cm Chinese textbook in primary school, and is provided with a 45° inclination detection window and a reserved wired charging port. The system is matched with a child intelligent watch with multiple types of distance measuring sensors, and can independently complete sitting posture monitoring, distance determination and double-mode reminding without connecting a mobile terminal. The reading and writing distance is accurately calculated based on the Pythagorean theorem of an isosceles right triangle. The application has the core advantages of positioning standardization, distance measuring precision, endurance persistence, low-cost use and positive incentive, can greatly reduce the correction workload of parents and teachers, help children develop standard reading and writing muscle memory, prevent myopia and scoliosis from the root, and is suitable for reading and writing of 6-12 year-old school-age children in all scenes, and has high popularization value and market prospect.

This application relates to the field of smartwatches, providing a watch capable of emergency charging, including a watch body, a charging module, and a watch strap. The watch body has a first mounting surface and an adjacent first guiding surface on its side. A first charging port is located on the first mounting surface, and the first guiding surface extends inward from the bottom edge of the first mounting surface. The charging module has a storage cavity for a replaceable battery unit, and has an abutment end and a mounting end. The abutment end has a first positioning structure, and the mounting end has a second mounting surface and a second guiding surface. A second charging port is located on the second mounting surface, and the watch strap body has a second positioning structure. This application provides a fast and efficient emergency charging service for the watch body through the battery unit and the charging module. During assembly, the second guiding surface slides downward against the first guiding surface, making the second mounting surface fit more tightly with the first mounting surface, ensuring a stable electrical connection between the second charging port and the first charging port.

The present invention provides a wearable device, a notification method, and a program that can notify the user to charge the device when it is ready to do so. [Solution] The wearable device 1 comprises a notification unit that notifies the user of information, a location information acquisition unit that acquires the user's location information, a battery 106 which is a secondary battery that stores power charged from an external power source, a battery level detection unit 107 that detects the remaining battery level of the secondary battery, and a control unit 101 that executes a notification by the notification unit to encourage charging of the secondary battery based on the location information and the remaining battery level.

Easily make users aware of the effect of reducing power consumption by shutting down electronic devices [Solution] An information terminal acquires power consumption reduction settings input by a user for an electronic device with which it can communicate, predicts a power consumption reduction amount based on the acquired settings, draws an image showing the predicted power consumption reduction amount and displays the image on a display means, and transmits the acquired power consumption reduction settings to the electronic device. The power consumption reduction settings are a communication function of the electronic device, and include a setting to turn off communication functions between the electronic device and the information terminal.

A circuit arrangement for extracting energy from an energy harvester is proposed. The circuit arrangement (1) comprises an integrated circuit (3) connected to the energy harvester (2) and configured to extract energy from the energy harvester, an energy accumulator (4) connected to the integrated circuit for receiving said energy extracted by the integrated circuit, and a switch (5) arranged between the integrated circuit and the energy accumulator for selectively disconnecting the accumulator from the integrated circuit (3). The integrated circuit (3) is configured to output a control signal, said control signal being either inverting or non-inverting and configured to close the switch (5) when the integrated circuit is able to extract energy from the energy harvester (2) and to open the switch when the integrated circuit (3) is not able to extract energy from the energy harvester (2), to thereby disconnect the integrated circuit from the accumulator (4).

The present invention relates to a method for estimating the charging or discharging state of a battery or cell in a low-power system such as a portable object. [Solution] The system comprises at least one power management circuit (3) connected to a battery or cell (2), and a processing unit (14) of a module (4) connected to the power management circuit (3), wherein when a method for estimating the charging or discharging state of the battery or cell (2) is implemented, at least one battery voltage value is communicated by the power management circuit (3) to the processing unit (14) of the module (4), an algorithm for controlling the charging or discharging state of the battery (2) is executed, and the algorithm is stored in the processing unit (14) to provide the charging or discharging state of the battery or cell (2).

This utility model relates to the field of smartwatches, providing a watch and wearable device with a Bluetooth headset, including a watch body and a Bluetooth headset. The watch body has a storage cavity and a limiting cavity connected to each other on its side. The storage cavity has an outward-facing storage opening, and the limiting cavity is embedded in one side of the storage cavity and houses a first magnetic component and a first charging component. The Bluetooth headset has a second magnetic component and a second charging component. This application utilizes the magnetic attraction of the first and second magnetic components to drive the Bluetooth headset from the storage cavity into the limiting cavity, with the headset partially abutting against the limiting cavity. This securely attaches the Bluetooth headset to the limiting cavity, effectively increasing the contact area and friction between the Bluetooth headset and the limiting cavity. This ensures that the Bluetooth headset remains firmly in place even when the watch is shaken or subjected to external force, preventing accidental detachment due to gravity or impact, and greatly improving the stability of the headset when placed.

To mitigate the effects of heat in high-temperature environments. [Solution] The thickness of the side walls of the main case 10a is formed to gradually increase from the top to the bottom. Inside the main case 10a are an analog block 40, which is a heat-resistant material such as a clock mechanism that drives the hands of the clock, and electronic components 41, which are non-heat-resistant materials such as an electronic circuit (integrated circuit) and a battery. The electronic components 41, which are non-heat-resistant materials, are disposed in the lower part of the main case 10a where the thickness of the side walls of the main case 10a is greater than the thickness of the side walls of the main case 10a at the location where the analog block 40, which is a heat-resistant material, is located. This reduces the thermal impact on the electronic components 41, which are non-heat-resistant materials.

This application provides a circuit board assembly and an electronic device. The circuit board assembly includes a detection module, a wireless charging module, and a motherboard. The detection element in the detection module is disposed on a first surface of a substrate, and a first chip is disposed on the first surface or the motherboard. A large area is reserved on the second surface of the substrate. The coil of the wireless charging module is arranged around the outer periphery of the substrate and is wound around a magnet. The magnet is used for magnetic attraction with the wireless charger, and the wireless coil is used for electromagnetic coupling with the wireless charger to achieve charging. The third surface of the magnet is fixed to the second surface of the substrate. The magnet can be set to a large area to reduce its thickness while meeting the magnetic attraction requirements, thereby reducing the thickness of the circuit board assembly and the electronic device. The motherboard and the substrate are electrically connected to achieve signal transmission between them.

The invention relates to a watch comprising a gasket (18) arranged at the periphery of the watch glass (14), an intermediate part (20) laterally surrounding the analog display and defining a radial surface forming or serving as axial stop for the watch glass, a solar cell (30) extending at least mainly between the lower side of the dial and the watch glass and arranged behind the intermediate part, the intermediate part being at least partially formed from a semi-transparent or transparent material and being configured such that incident light can propagate in the intermediate part and subsequently reach the solar cell. The gasket is also at least mainly formed from a semi-transparent or transparent material and the gasket forms an axial continuum with the intermediate part. In variants, the gasket is arranged axially adjacent to the intermediate part or the gasket is axially separated from the intermediate part by a semi-transparent or transparent intermediate medium.

The utility model relates to a kind of illumination recording devices, include a shell unit, a photovoltaic unit, an adjustment unit and a timing unit, the shell unit has a bottom shell, a light-transmitting cover and a shell inner space, photovoltaic unit is installed in the shell unit and accepts illumination to generate electric energy, adjustment unit is installed in the shell inner space, to utilize aforementioned electric energy output a drive signal, and the timing unit is installed in the shell inner space, with a motor and a index member driven by the motor, when the motor accepts the drive signal, the index member can be driven to show a start time, subsequently when the motor has no acceptance the drive signal, the index member can show an end time, can reach without being equipped with microcontroller unit MCU, battery and other parts, with the advantages of energy saving, reduce manufacturing cost and reduce equipment weight.

The present application relates to the technical field of electronic timer, especially to a low-power electronic timer wake-up system and method based on ambient light sensing, which comprises an ambient light sensing unit, a signal processing unit, a wake-up control unit, an electronic timer main control module and a power management module. The sensing unit works in an intermittent sampling mode with duty cycle dynamic configuration to output original photoelectric signals. The signal processing unit tracks the dynamic reference value of ambient light in real time based on a sliding time window difference algorithm, and decouples the light intensity change gradient and the reference deviation. The wake-up control unit builds a two-stage asymmetric verification architecture through a nano-level coarse sieve comparator and a fine verification state mechanism, and outputs the final wake-up enable signal combined with an adaptive weighted matching model. The present application solves the problems of high standby power consumption, susceptibility to ambient light interference and rough energy efficiency management of traditional wake-up circuits, and realizes nano-level ultra-low standby, high confidence wake-up and full-cycle energy efficiency optimization.

Systems and methods for an electronic timepiece are described. The electronic timepiece can include a first processor that controls a clocking operation and a second processor that has an arithmetic processing capacity higher than an arithmetic processing capacity of the first processor. The electronic timepiece can further include an information acquisition circuit that is controlled by the second processor.

This application relates to the field of electronic devices, and discloses a wearable device. The wearable device includes a housing, a display, and a battery. The display and the housing are fastened and enclose accommodation space. The battery is accommodated in the accommodation space. The display includes a display panel, a transparent substrate, a first solar panel, and a first cover plate. The transparent substrate is disposed on a side that is of the display panel and that faces away from the accommodation space. The first solar panel is disposed in a first region on a first surface that is of the transparent substrate and that faces away from the accommodation space, and the first solar panel is electrically connected to the battery. The first cover plate is disposed on a side that is of the first solar panel and that faces away from the accommodation space, and an optically clear adhesive is filled between the first cover plate and the transparent substrate. In this application, the first solar panel is integrated into the display, so that high-level waterproof and dustproof effect can be achieved on the first solar panel, and solar energy reception efficiency of the first solar panel can be further improved. In this way, the wearable device can implement highly efficient charging by using the first solar panel.