Abstract: A method for preventing a person from taking a dangerous selfie is executed by a mobile electronic apparatus including a multi-axis sensing device and an image acquisition device disposed on a surface of the mobile electronic apparatus. The method includes the following steps: using the image acquisition device operating in a shooting mode to capture an image of the person in a background; using the multi-axis sensing device to detect orientation information of the mobile electronic apparatus; determining whether the person is in a potentially dangerous environment according to the orientation information and the image; and enabling the image acquisition device to suspend or exit the shooting mode when the person is in the potentially dangerous environment.

Abstract: A monitoring system and a monitoring method thereof are provided. The monitoring system includes a thermal imaging device and a processor. The thermal imaging device obtains a thermal imaging image. The processor is coupled to the thermal imaging device. The processor determines a separating distance between a reference thermal source and a target thermal source in the thermal imaging image. The reference thermal source corresponds to a reference position, and the target thermal source corresponds to a target person. The processor determines a current posture corresponding to the target thermal source in the thermal imaging image. The processor transmits an alarm signal according to the separating distance and the current posture. Accordingly, the misgivings for the privacy violation may be ceased, and it is adapted for low light environment.

Abstract: A clamshell electronic device is provided. The clamshell electronic device includes a device body, a cover, an auxiliary display unit and an orientation adjustment mechanism. The cover pivots on the device body, and the cover includes a cover notch. The auxiliary display unit is disposed on the device body, wherein the auxiliary display unit is adapted to be rotated between a first unit orientation and a second unit orientation. The orientation adjustment mechanism is connected to the cover and the auxiliary display unit, wherein when the cover is in a first cover orientation relative to the device body, the cover covers the device body, and the auxiliary display unit is in the first unit orientation and corresponds to the cover notch.

Abstract: A walking aid device including a moving body, a message receiving element, a positioning element, and a processor is provided. The message receiving element, the positioning element, and the processor are respectively disposed at the moving body, and the message receiving element and the positioning element are respectively electrically coupled to the processor. The message receiving element is configured to receive a message from a target, and the positioning element is configured to locate a position of the moving body. When the message from a target is received by the message receiving element, the processor determines an orientation of the target according to the message, and the positioning element locates the position of the moving body. The processor produces a position data according to the orientation of the target and the position of the moving body, and controls the moving body to move to where the target is located.

Abstract: A rotational positioning mechanism includes a base, a rotational shaft, a rotational plate, at least two first switches and a positioning assembly. The rotational shaft is pivoted to the base. The rotational plate is connected to the rotational shaft and is configured to rotate relative to the base along with the rotational shaft. The rotational plate has at least two first positioning portions. The two first switches are respectively disposed at the two first positioning portions. The positioning assembly is disposed at the base, and comprises a positioning component configured to form a structural interference with any one of the first positioning portions or remove the structural interference. After the positioning component forms the structural interference with any one of the first positioning portions, the positioning component abuts against the corresponding first switch, and the degree of rotational freedom of the rotational plate and the rotational shaft are restricted.

Abstract: A password power switch circuit for an electronic device includes a thermal energy conversion circuit and a programmable control chip. The thermal energy conversion circuit is used for generating a plurality of sensing temperatures. The programmable control chip is coupled to the thermal energy conversion circuit for storing a password and generating a power-on signal to a central processing device of the electronic device according to a plurality of locations corresponding to the plurality of sensing temperatures and a plurality of locations corresponding to the password. The central processing device determines at least one operation associated with the electronic device according to the power-on signal.

Abstract: An omnidirectional wheel is provided. The omnidirectional wheel includes a plurality of major brackets, a plurality of minor brackets, a plurality of major wheels and a plurality of minor wheels. The major brackets include a first major bracket. The minor brackets include a first minor bracket. The major wheels include a first major wheel, wherein the major wheels are connected to the respective major brackets, the first major wheel is connected to the first major bracket, the first major wheel is rotatable around a first axis, and the first major bracket extends in a first extending direction. The minor wheels include a first minor wheel, wherein the minor wheels are connected to the respective minor brackets, the first minor wheel is connected to the first minor bracket, the first minor wheel is rotatable around a second axis, and the first minor bracket extends in a second extending direction.

Abstract: A portable electronic apparatus and a battery temperature control method thereof are provided. The portable electronic apparatus includes a battery module and a temperature adjustment module. The temperature adjustment module is coupled to the battery module and configured to obtain a temperature value of the battery module from the battery module. The temperature adjustment module heats or cools the battery module according to the temperature value of the battery module to control the temperature of the battery module.

Abstract: A movable carrier includes a main body, a first wheel, a driving module, a first support member, a second wheel, a seat, a first handle and two first switches. The first wheel is pivotally connected to the main body. The driving module is disposed in the main body. The first support member is connected to the driving module. The second wheel is pivotally connected to the first support member. The seat is disposed on the main body. The first handle is pivotally connected to the seat and has a trigger portion. The first switches are disposed on the seat. When the first handle rotates with respect to the seat and the trigger portion triggers the first switch, the driving module drives the first support member to rotate with respect to the main body, so as to increase or decrease a distance between the first wheel and the second wheel.

Abstract: This invention provides a wireless input device, including a primary battery set, a backup battery, an electricity generating device, an energy-storage/charging device, and a switching device. The primary battery set provides electricity to the wireless input device. The backup battery provides electricity to the wireless input device when the primary battery set does not have sufficient electricity. The electricity generating device generates electricity in response to clicking/pressing operations to the wireless input device. The energy-storage/charging device is coupled to the backup battery and the electricity generating device. The energy-storage/charging device stores the electricity generated by the electricity generating device and charges the backup battery when the stored electricity has reached a predetermined volume. The switching device is coupled to the primary battery set and the backup battery.

Abstract: A walker apparatus is provided. The walker apparatus includes a base, a plurality of wheels, a connection bracket, a handle unit and an actuating unit. The wheels are connected to the base. The connection bracket pivots on the base. The handle unit is disposed on the connection bracket. The actuating unit is connected to the base and the connection bracket. The actuating unit moves the connection bracket between a getting-up orientation and a walking-assistance orientation relative to the base. The user can stand up from a sitting position using the walker apparatus without external assistance from other people.

Abstract: A brake module is provided. The brake module includes a first brake lever, a second brake lever, a moveable member, a first cable, a second cable, a first brake unit, a second brake unit, a third cable and a fourth cable. The first cable connects the first brake lever and the moveable member. The second cable connects the second brake lever and the moveable member. The third cable connects the first brake unit and the moveable member. The fourth cable connects the second brake unit and the moveable member. When a lever force is applied to the first cable or the second cable, the third cable applies a first brake force to the first brake unit, the fourth cable applies a second brake force to the second brake unit, and the lever force is smaller than the sum of the first brake force and the second brake force.

Abstract: A portable electronic device is provided and includes a first display module, a second display module, a keyboard device, a sensing unit and a control unit. The second display module is pivotally connected to the first display module. The sensing unit is configured to sense a position of the keyboard device relative to the second display module to output a sensing signal. The control unit is configured to control a displaying image of the second display module according to the sensing signal.

Abstract: A brake module is provided. The brake module is for braking at least one omnidirectional wheel, and the omnidirectional wheels include at least one major wheel and a plurality of minor wheels. The brake module includes a base, a first brake arm, a first major brake block and a first minor brake block. The first major brake block is disposed on the first brake arm. The first minor brake block is disposed on the first brake arm. When the first brake arm is in a first orientation, the first major brake block and the first minor brake block are separated from the omnidirectional wheel, and when the first brake arm is in a second orientation, the first major brake block abuts the major wheel, and the first minor brake block abuts one of the minor wheels.

Abstract: A supporting stand includes a base and a bracket. The base has a sliding rail structure, and the sliding rail structure includes a first rail and a second rail. The bracket is slidably disposed on the sliding rail structure and adapted to slide along the first rail and the second rail. When the bracket slides along the first rail, the bracket moves upward or downward, and when the bracket slides along the second rail, a tilting angle of the bracket relative to the base is changed.

Abstract: An air-charging unmanned aerial vehicle set is provided, including a charging unmanned aerial vehicle and a functional unmanned aerial vehicle. The charging unmanned aerial vehicle includes a first unmanned aerial vehicle body, a plurality of first propeller units, a rotation stage, a first battery slot and a second battery slot. The first propeller units are disposed on the first unmanned aerial vehicle body. The rotation stage is disposed on the first unmanned aerial vehicle body. The first battery slot and the second battery slot are disposed on the rotation stage. The functional unmanned aerial vehicle includes a second unmanned aerial vehicle body, a plurality of second propeller units, a third battery slot and a battery cover. The second propeller units, the third battery slot and the battery cover are disposed on the second unmanned aerial vehicle body.

Abstract: An emergency call circuit for an electronic device includes a dial button, a wireless communication module, an emergency call button and a logic circuit. The wireless communication module is used for dialing an emergency call according to a dial signal generated by the dial button when the wireless communication device is shut down. The logic circuit is used for transmitting an emergency call detecting signal generated by the emergency call button to the wireless communication module and a power circuit of the electronic device, wherein the power circuit supplies a first power source to the logic circuit and the wireless communication module when the electronic device is shut down.

Abstract: A mobile device includes a body, a motor, a transmission assembly and two driven components. The motor and the transmission assembly are disposed at the body. The transmission assembly includes a differential, two shafts and two stoppers. The differential is coupled to the motor. The two shafts are respectively coupled to the two opposite sides of the differential. The two stoppers are respectively disposed corresponding to the two shafts. The two driven components are respectively connected to the two shafts. When one of the two shafts is locked by the corresponding stopper, the motor may still drive the other shaft and the driven component connected thereto to rotate relative to the body through the differential. A transmission assembly is also provided.

Abstract: A mobile carrier includes a first frame, a directional wheel pivoted to the first frame, a second frame pivoted to the first frame, a steering adjustment mechanism connected to the second frame, and a steering wheel. The steering adjustment mechanism includes a first rotating element and a second rotating element coupled to the first rotating element. When a first rotating axis of the first rotating element is perpendicular to a plane, the first and the second rotating elements are locked to each other and are capable of rotating around the first rotating axis simultaneously. When a second rotating axis of the second rotating element is perpendicular to the plane, rotational degree of freedom of the first rotating element is restricted, and the second rotating element is capable of rotating around the second rotating axis relative to the first rotating element. A steering adjustment mechanism is also provided.

Abstract: A charging method for an electronic device comprising a battery for supplying power, the method comprises obtaining an allowable charging time and a remaining electricity information of the battery when the electronic device connects to a charger; determining a charging procedure according to the allowable charging time and the remaining electricity information; and performing the charging procedure to charge the battery with the charger; wherein the allowable charging time is a period of time that the electronic device is capable of being charged.