Abstract: A power supply controlling system is configured to supply power to a load and includes a first power supply device having a first outputting voltage and current to the load, a second power supply device having a second outputting voltage and current to the load, and a buck converter which is selectively connected to the first power supply device or the second power supply device first and is then connected in parallel with the power supply device without converter and the load. The buck converter is selectively connected to the power supply device with a higher voltage, and controls the output voltage of the converter to make it conform to the voltage of the other power supply device, so as to connect the two power supply devices in parallel and output current to the load.

Abstract: A dual battery power management system, its battery controller and method for controlling the same have been provided. The dual battery power management system includes a load module, a battery controller, a first battery and a second battery. The battery controller is electrically connected to the load module for receiving an electrical requirement demanded by the load module. The battery controller is provided with a DC-DC converter and a serial-parallel switch. The first battery is employed to provide a first input voltage which is converted to a converted DC voltage by the DC-DC converter. The second battery is electrically connected to the serial-parallel switch and is used to provide a second input voltage. Upon the aforementioned electrical requirement, the battery controller controls the series-parallel switch to be operated at a serial mode or a parallel mode.

Abstract: A noise cancellation processing method, device and apparatus are provided. The noise cancellation processing method includes: collecting first voice data in a surrounding environment by using a noise-cancelling earphone in response to detecting that the noise-cancelling earphone is in a wearing state and a noise cancellation mode is enabled; extracting to-be-recognized voiceprint feature information according to the first voice data; identifying similarities between registered voiceprint feature information stored in a registered voiceprint database and the to-be-recognized voiceprint feature information entry by entry; and in response to at least one of the similarities being greater than a first preset threshold, performing a preset action in the noise-cancelling earphone.

Abstract: The present invention provides a blockchain-based method and system for processing a traffic violation event. The method includes: obtaining traffic violation reporting information provided by a first vehicle node stored in a blockchain; obtaining an associated evidence data identifier in the traffic violation reporting information; obtaining, according to the evidence data identifier, evidence data provided by a second vehicle node stored in the blockchain; and determining, according to the traffic violation reporting information and the associated evidence data, whether the traffic violation reporting information is valid. In the present invention, each vehicle node in the blockchain automatically collects data of a traffic violation event, so that credible traffic violation determining is completed based on an intelligent contract, and credibility and tamper resistance of traffic violation determining is improved based on recording information of a plurality of associated blockchain nodes.

Abstract: A smart ring includes an antenna chip and a metal ring used as an antenna, and the antenna chip is electrically connected to the metal ring to form an antenna circuit. The metal body of the smart ring is designed as a composition structure of the antenna circuit, that is, the antenna is integrated into the metal ring, the space for accommodating the antennas and the cost for additional physical antennas are saved, and the design flexibility and the competitiveness of the product are improved. Nickel-zinc ferrite is unnecessary, which can reduce the cost. The ring can keep the radiation characteristic of the circular antenna that is not susceptible to the interference from human body. The metal body of the ring is a metal structure, which can fulfill both of strength requirement and texture requirement of the structure, and at the same time has good antenna characteristics.

Abstract: A wireless transmission system comprises an antenna component, a wireless module including a processing unit and a power controlling unit, a tuner connected between the antenna component and the wireless module, and a sensor connected to the wireless module. The tuner is configured to adjust an output bad of the power controlling unit according to a received signal strength indication of the wireless transmission system being greater than a predetermined threshold value, such that multiple different load values are provided for the power controlling unit. The sensor is configured to detect and record a current consumption value corresponding to each load value. In response to the wireless module emitting signals via the antenna component, the processing unit selects the load value corresponding to the lowest of the current consumption values and applies the selected load value to the output load of the power controlling unit.

Abstract: An infusion device includes an infusion pump and an infusion tube assembly. The infusion tube assembly includes a first tube body connected to the infusion pump, a tube joint structure having first, second and third tube joints, a second tube body, and a clamping device on the second tube body. The clamping device is to clamp the second tube body. An infusion method includes instructing the infusion pump to perform an infusion operation. When bubbles are detected in a liquid in the infusion tube assembly, the infusion pump is instructed to stop the infusion operation and a bubble alarm is generated. After the infusion pump stops the infusion operation, it is determined whether a pressure of the liquid first drops to a first pressure value and then rises to a second pressure value. If yes, a rinsing operation is performed.

Abstract: A liquid amount control device includes a position detector, a pump, a driver and a controller. The pump is connected with a first tip and configured to suck up the liquid out of the test tube. The driver is connected with the pump and configured to drive the pump to move. The controller is configured to: (1) control the driver to drive a first suction end of the first tip to enter a detection region of the position detector to obtain an end height position of the first suction end; (2) control the driver to drive the first suction end of the first tip to enter the liquid by a first entering depth according to the end height position; and (3) control the pump to suck up the liquid in the test tube through the first tip.

Abstract: A dual-band antenna includes a first conductive portion, a ground layer, a ground portion, a second conductive portion and a third conductive portion. The first conductive portion has a resonant cavity. The ground portion extends from the ground layer toward the first conductive portion. The second conductive portion extends from the ground layer toward the first conductive portion. The third conductive portion extends from the ground layer toward the first conductive portion. The second conductive portion and the third conductive portion are disposed symmetrically with respect to the ground portion.

Abstract: An input method for an electronic device comprises steps of retrieving operation data according to a touch point made by a user on an input interface; generating a pending input pattern in response to the operation data of the touch point; retrieving a matched character corresponding to the pending input pattern, in response to a defined mapping relation of a plurality of input patterns and a plurality of characters; outputting the matched character.

Abstract: A smart ring includes an antenna chip and a metal ring used as an antenna, and the antenna chip is electrically connected to the metal ring to form an antenna circuit. The metal body of the smart ring is designed as a composition structure of the antenna circuit, that is. the antenna is integrated into the metal ring, the space for accommodating the antennas and the cost for additional physical antennas are saved, and the design flexibility and the competitiveness of the product are improved. Nickel-zinc ferrite is unnecessary, which can reduce the cost. The ring can keep the radiation characteristic of the circular antenna that is not susceptible to the interference from human body. The metal body of the ring is a metal structure, which can fulfill both of strength requirement and texture requirement of the structure, and at the same time has good antenna characteristics.

Abstract: An object searching method is disclosed. The object searching method includes the following operations: receiving an user message; analyzing an object name from the user message; obtaining a locator corresponding to the object name according to a locator mapping table; detecting a locator distance and a locator direction of the locator; generating a description string according to the locator distance, the locator direction, and a feature direction map; generating a voice message according to the description string and the object name; and broadcasting the voice message.

Abstract: A method of group establishment for multi-login authentication user implemented by a switching device, the method comprises steps of receiving, by the switching device, group configuration information, carried by a first network signal, of at least one communication device including an eSIM card, wherein the group configuration information includes eSIM card information; and establishing, by the switching device, a communication group list which allows the communication devices on the list to interacts each other via the switching device for data sharing.

Abstract: A computer mouse includes at least one first fingerprint recognition device disposed on an outside surface of the computer mouse, and configured to recognize fingerprint data; and an output converting unit connected to the first fingerprint recognition device, wherein a mapping relation of a plurality of fingerprint data and a plurality of output characters is pre-stored in the output converting unit, and one of the output characters is outputted, by the output converting unit, in response to the received fingerprint data coming from the first fingerprint recognition device.

Abstract: An intelligent pillbox with volume detection includes an open-close structure, a first structure, an air pressure sensing module and a processor. The first structure is movably configured on the open-close structure, and moves in and out of the containing space of the open-close structure to generate a constant volume difference. The air pressure sensing module is configured in the containing space for measuring the multiple air pressure values in the airtight space. The intelligent pillbox with volume detection calculates the medicine volume by the constant volume differences and the air pressure change when the patient takes out the medicine from the medicine box. It not only can avoid the patient taking wrong medicine, but also can detect the number of remaining medicine and remind the patient to replenish the medicine in the medicine box.

Abstract: A computer mouse includes at least one first fingerprint recognition device disposed on an outside surface of the computer mouse, and configured to recognize fingerprint data; and an output converting unit connected to the first fingerprint recognition device, wherein a mapping relation of a plurality of fingerprint data and a plurality of output characters is pre-stored in the output converting unit, and one of the output characters is outputted, by the output converting unit, in response to the received fingerprint data coming from the first fingerprint recognition device.

Abstract: An unmanned aerial vehicle (UAV) including a vehicle body and an airflow thruster is provided. The vehicle body has a center hub, an airflow guiding structure and an outer circumferential portion. An interior of the airflow guiding structure is interconnected between the center hub and the outer circumferential portion. The center hub has an airflow inlet. The outer circumferential portion has a plurality of lateral guiding outlets facing downward and corresponding to a gravity direction of the gravity direction of the unmanned aerial vehicle. The airflow thruster is disposed inside the center hub for generating a plurality of jet streams, such that the jet streams flow to the lateral guiding outlets through the airflow guiding structure to generate a propulsion.

Abstract: An input method for an electronic device comprises steps of retrieving operation data according to a touch point made by a user on an input interface; generating a pending input pattern in response to the operation data of the touch point; retrieving a matched character corresponding to the pending input pattern, in response to a defined mapping relation of a plurality of input patterns and a plurality of characters; outputting the matched character.

Abstract: A three-dimensional printer with detecting printing accuracy and a method for detecting printing accuracy is provided. The three-dimensional printer with printing accuracy detection includes a three-dimensional model conversion unit, a printing path locating unit, a printing path drawing unit, and a comparison unit. An actual printing path is drawn according to the real-time captured location information of a nozzle head of the three-dimensional printer and compared with a predetermined printing path, which may implement the detection of printing accuracy. The method for detecting printing accuracy may implement the accuracy detection of the three-dimensional printer and be capable of detecting the accuracy for the three-dimensional printer. The method for detecting printing accuracy also reminds an operator to check and maintain printing accuracy of the three-dimensional printer.

Abstract: An unmanned vehicle includes a vehicle body having an accommodating space, an arm assembly coupled to the vehicle body, and a floating member connected to a bottom surface of the vehicle body. The arm assembly includes a first rotating member, a second rotating member coupled to the first rotating member, and a propeller. The propeller includes a rotatable axle coupled to the second rotating member and extending along a rotating axis. The second rotating member can turn the propeller by rotating the rotatable axle about the rotating axis. The first rotating member can rotate and effect a movement of the second rotating member so as to selectively adjust the rotatable axle to align the rotating axis with a first axial direction and a second axial direction. The arm assembly can rotate relative to the vehicle body to selectively rotate into or out of the accommodating space.