Abstract: A braking mechanism of a wheeled device is provided, including: a main body, configured to be connected to the wheeled device including at least one wheel; an adjusting member, disposed on the main body and including a rod and a first abutting member adjustably positioned on the rod; a braking member, movably disposed on the main body; and an elastic member, abutted between the first abutting member and the braking member so that the braking member is biased by the force of the elastic member toward the at least one wheel to frictionally contact the at least one wheel.

Abstract: A braking mechanism of a wheeled device is provided, including: a main body, configured to be connected to the wheeled device including at least one wheel; an adjusting member, disposed on the main body and including a rod and a first abutting member adjustably positioned on the rod; a braking member, movably disposed on the main body; and an elastic member, abutted between the first abutting member and the braking member so that the braking member is biased by the force of the elastic member toward the at least one wheel to frictionally contact the at least one wheel.

Abstract: A display driving integrated circuit includes a common voltage buffer configured to provide a common voltage to a display panel and when a line outputting the common voltage and a gate line are short-circuited, apply a first current to the gate line or receive a second current from the gate line; a current generator configured to sum currents respectively corresponding to the first current and the second current and output an output current obtained by the summing; and a current detector configured to convert the output current into an output voltage and output a high or low signal based on a result of comparing the output voltage with a preset voltage.

Abstract: A display driving circuit including a reference voltage generator configured to generate a plurality of reference voltages, a buffer circuit configured to generate an output voltage based on a reference voltage, from among the reference voltages, applied to an input node thereof, and a precharging circuit configured to precharge the input node based on a first control signal in a transition period, which is a time period between a first point in time at which a first reference voltage is applied to the input node and a second point in time at which a second reference voltage is applied to the input node, may be provided.

Abstract: A display driving integrated circuit includes a common voltage buffer configured to provide a common voltage to a display panel and when a line outputting the common voltage and a gate line are short-circuited, apply a first current to the gate line or receive a second current from the gate line; a current generator configured to sum currents respectively corresponding to the first current and the second current and output an output current obtained by the summing; and a current detector configured to convert the output current into an output voltage and output a high or low signal based on a result of comparing the output voltage with a preset voltage.

Abstract: A transmission device for a bicycle includes a housing, a mandrel, an assembling member, a transmission assembly, a derailleur assembly and a clutch assembly. The mandrel is rotatably disposed on the housing and extends along an axial direction. The assembling member has a driving gear. The transmission assembly is rotatably disposed on the housing and engaged with the driving gear. The derailleur assembly includes a first derailleur gear and a second derailleur gear. The transmission assembly is engaged with the first derailleur gear and the second derailleur gear. The clutch assembly includes a clutch member.

Abstract: A transmission device for a bicycle includes a housing, a mandrel, an assembling member, a transmission assembly, a derailleur assembly and a clutch assembly. The mandrel is rotatably disposed on the housing and extends along an axial direction. The assembling member has a driving gear. The transmission assembly is rotatably disposed on the housing and engaged with the driving gear. The derailleur assembly includes a first derailleur gear and a second derailleur gear. The transmission assembly is engaged with the first derailleur gear and the second derailleur gear. The clutch assembly includes a clutch member.

Abstract: Provided is a manual centrifugal device, including a rotating platform disposed with a rotating shaft, and a plurality of blood storage tubes fixed to the rotating platform at a regular intervals, wherein the rotating platform and the plurality of blood storage tubes rotate relative to the plane of placement during centrifugation. Further provided is a method for separating blood. The centrifugal device is driven manually to centrifugally separate blood cells and blood plasma, thereby greatly reducing the medical cost of blood examination and providing a more convenient and simple blood separation method for the low-resource areas.

Abstract: A knuckle-print identification system includes a database, a knuckle-print capturing unit and a processing unit electrically connected to the database and the knuckle-print capturing unit. The database stores a comparison data module. The comparison data module includes two end positions of each of all first knuckle-prints and two end positions of each of all second knuckle-prints of three finger portions in a close state, and data representing relative relationships thereof. The knuckle-print capturing unit captures knuckle-print images of the three finger portions.

Abstract: An anti-theft structure of a dual-locking lock includes a lock body, an electronic lock, a key lock and a key. The electronic lock is disposed on the lock body. The key lock includes a lock head and a plug cap. The lock head is combined with the lock body and has a front side surface with a key hole. The plug cap covers over the front side surface of the lock head, and has an inner portion with a chamber, and a circumferential surface provided with a window communicating with the chamber. The key includes a head and an extension arm perpendicularly extending from one side of the head. The head can be put into the chamber from the window and then inserted into the key hole and then rotated by an angle to perform unlocking or locking. With the above-mentioned structure, the good anti-theft effect is obtained.

Abstract: A fingerprint recognition system of a portable electronic device is provided, including a database, a detecting unit and a processing unit which are electrically connected to the processing unit, the database including a contrast data module which includes fingerprint characteristic data and knuckle characteristic data of three preset fingers, the detecting unit for detecting fingerprints and knuckles to be inspected of three fingers to be inspected and transmitting a signal to the processing unit, the processing unit transferring the signal into a real-time data module, the processing unit contrasting the real-time data module and the contrast data module to obtain a verification match rate, the processing unit having a preset match rate, wherein when the verification match rate is greater than or equal to the preset match rate, the processing unit determines that the three fingers to be inspected match the three preset fingers.

Abstract: A temperature-controlled power supply system is disclosed. The temperature-controlled power supply system comprises a power source, for supplying input power; a rechargeable battery module, for receiving the input power for power storage; a charging unit, coupled between the power source and the rechargeable battery module, for charging the rechargeable battery module with the input power; a temperature sensing unit, coupled to the rechargeable battery module, for sensing a temperature of the rechargeable battery module; and a current control unit, coupled to the temperature sensing unit and the charging unit, for controlling a current for charging the rechargeable battery module according to the temperature of the rechargeable battery module.

Abstract: A configurable power supply system is disclosed. The configurable power supply system comprises a power source for providing input power, a switch, coupled to the power source, for enabling a bypass path for outputting the input power to an output node as an output power when turned on; a rechargeable battery module for storing the input power for outputting a battery power; a charging unit, coupled between the power source and the rechargeable battery module, for charging the rechargeable battery module with the input power; a converting unit, coupled to the rechargeable battery module, for converting the battery power to generate the output power; and a control unit, coupled to the switch, the charging unit, and the converting unit, for controlling functions of the switch, the charging unit, and the converting unit.

Abstract: A boost DC-DC converter with an inrush current protection device is disclosed. The boost DC-DC converter includes an output stage, including a high-side transistor for providing an output current, a low-side transistor for sinking the output current, a pass transistor for passing through the output current to an output node, an inductor coupled to the high-side transistor, the low-side transistor, and the pass transistor for passing through the output current, and an output capacitor coupled to the pass transistor for boosting an output voltage at the output node, and a protection diode parallel connected to the inductor and the low-side transistor for preventing an inrush current from passing through the inductor and the pass transistor to the output node.

Abstract: A battery switching charger includes a PWM signal generator, a switching circuit, an inductor, a resistor and an analog-to-digital converter. The PWM signal generator is utilized for generating a PWM signal. The switching circuit includes cascoded transistors controlled by the PWM signal for generating an output voltage. The inductor is utilized for receiving the output voltage. The resistor is coupled between the inductor and a charge terminal of the battery switching charger, where the charge terminal is connected to a battery when the battery is being charged by the battery switching charger. The analog-to-digital converter is coupled to the PWM signal generator and the resistor, and is utilized for receiving voltages of two terminals of the resistor to generate control data to the PWM signal generator. In addition, the PWM signal generator adjusts a duty cycle of the PWM signal according to the control data.

Abstract: A battery switching charger includes a PWM signal generator, a switching circuit, an inductor, a resistor and an analog-to-digital converter. The PWM signal generator is utilized for generating a PWM signal. The switching circuit includes cascoded transistors controlled by the PWM signal for generating an output voltage. The inductor is utilized for receiving the output voltage. The resistor is coupled between the inductor and a charge terminal of the battery switching charger, where the charge terminal is connected to a battery when the battery is being charged by the battery switching charger. The analog-to-digital converter is coupled to the PWM signal generator and the resistor, and is utilized for receiving voltages of two terminals of the resistor to generate control data to the PWM signal generator. In addition, the PWM signal generator adjusts a duty cycle of the PWM signal according to the control data.

Abstract: A temperature-controlled power supply system is disclosed. The temperature-controlled power supply system comprises a power source, for supplying input power; a rechargeable battery module, for receiving the input power for power storage; a charging unit, coupled between the power source and the rechargeable battery module, for charging the rechargeable battery module with the input power; a temperature sensing unit, coupled to the rechargeable battery module, for sensing a temperature of the rechargeable battery module; and a current control unit, coupled to the temperature sensing unit and the charging unit, for controlling a current for charging the rechargeable battery module according to the temperature of the rechargeable battery module.

Abstract: A configurable power supply system is disclosed. The configurable power supply system comprises a power source for providing input power, a switch, coupled to the power source, for enabling a bypass path for outputting the input power to an output node as an output power when turned on; a rechargeable battery module for storing the input power for outputting a battery power; a charging unit, coupled between the power source and the rechargeable battery module, for charging the rechargeable battery module with the input power; a converting unit, coupled to the rechargeable battery module, for converting the battery power to generate the output power; and a control unit, coupled to the switch, the charging unit, and the converting unit, for controlling functions of the switch, the charging unit, and the converting unit.

Abstract: A current detection device for a buck-boost DC-DC converter is disclosed. The current detection device comprises a detecting terminal coupled to two low-side transistors of the buck-boost DC-DC converter, and only one current sensing unit for detecting a current flowing through the detecting terminal, to detect an output current of the buck-boost DC-DC converter.

Abstract: A method for performing refreshing control of a direct current (DC)-to-DC converter includes: monitoring at least one duration of a control signal of a switching unit of the DC-to-DC converter to determine a statistics result, the duration corresponding to a duty cycle of the control signal; and based upon the statistics result, performing refreshing control on a bootstrap capacitor within the DC-to-DC converter. In particular, the step of monitoring the duration of the control signal of the switching unit of the DC-to-DC converter to determine the statistics result further includes monitoring whether a length of the duration falls within a predetermined range, wherein the statistics result represents a number of times that the length of the duration falls within the predetermined range. For example, the statistics result represents the number of times that the length of the duration successively falls within the predetermined range. An associated apparatus is also provided.