Abstract: A heat dissipation device for a computing unit includes a fan unit, a signal receiving unit, a time unit and a control unit. The signal receiving unit receives a satellite positioning signal, and generates a signal strength according to the satellite positioning signal. The time unit generates a real-time signal. The control unit is electrically connected to the fan unit, the signal receiving unit and the time unit, and adjusts a rotation speed of the fan unit according to the signal strength and the real-time signal so as to achieve heat dissipation. The present disclosure further includes a control method of the heat dissipation device.

Abstract: A method for measuring coordinate position include detecting the distance of a target relative to a portable electronic device to generate a measurement signal corresponding to the distance, sensing a relative position of the target to generate a azimuth angle corresponding to the relative position, detecting the movement of the portable electronic device to generate an inertial signal corresponding to the movement, obtaining positioning information of the portable electronic device, converting the measurement signal into distance data, converting the inertial signal into a tilt angle, calculating coordinate difference information with the tilt angle, the distance data and the azimuth angle, and calculating coordinate position of the target with the positioning information and the coordinate difference information.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for switching a secondary cell to a primary cell. A user equipment (UE) monitors a first radio condition of the UE for beams of a primary cell and a second radio condition for beams of one or more secondary cells configured for the UE in carrier aggregation. The UE transmits a request to configure a candidate beam of at least one candidate secondary cell as a new primary cell in response to the first radio condition not satisfying a first threshold and the second radio condition for the at least one candidate secondary cell satisfying a second threshold. A base station determines to reconfigure at least one secondary cell as the new primary cell. The base station and the UE perform a handover of the UE to the new primary cell.

Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.

Abstract: A method for measuring coordinate position include detecting the distance of a target relative to a portable electronic device to generate a measurement signal corresponding to the distance, sensing a relative position of the target to generate a azimuth angle corresponding to the relative position, detecting the movement of the portable electronic device to generate an inertial signal corresponding to the movement, obtaining positioning information of the portable electronic device, converting the measurement signal into distance data, converting the inertial signal into a tilt angle, calculating coordinate difference information with the tilt angle, the distance data and the azimuth angle, and calculating coordinate position of the target with the positioning information and the coordinate difference information.

Abstract: A method for simulating a physical-keyboard signal includes executing a monitoring program in an operating system, receiving at least one input key code signal by the monitoring program, sending the input key code signal to an embedded controller, looking up a key mapping table by the embedded controller according to the input key code signal to obtain a keyboard scan code signal corresponding to the input key code signal, sending the obtained keyboard scan code signal to the operating system, and performing a corresponding function by the operating system according to the keyboard scan code signal.

Abstract: A system and method for monitoring an offline state of an electronic device includes a dock and the electronic device. The dock includes a connection pin. The electronic device includes a connection port and an embedded controller, wherein a GPIO pin of the embedded controller is coupled to the connection port, the connection port is coupled to the connection pin, and the GPIO pin detects whether the connection port is in a first or second potential state. The connection port is in the first potential state in an online state, and is in the second potential state in an offline state. The embedded controller counts the number of signal transmissions by a second frequency, until the embedded controller detects that the connection port is in the online state. The embedded controller calculates an interrupt period according to the number of signal transmissions and the second frequency.

Abstract: The invention provides a method and a device for heating an electronic component and an electronic apparatus using the method/device. A heater is disposed at the electronic component. The heating method includes following steps: driving the heater according to a duty ratio by using electrical energy of a power module. If the output voltage of the power module is greater than a first threshold, set the duty ratio as a first ratio. If the output voltage of the power module is less than a second threshold, set the duty ratio as a second ratio. If the output voltage of the power module is between the first threshold and the second threshold, adjust the duty ratio so that the difference between the output voltage of the power module and the second threshold is positively proportional to the duty ratio.

Abstract: A method for entering an operation mode in a low-temperature environment is applicable in a situation that plural electronic devices in an electronic apparatus are not activated. Through performing the method, the electronic apparatus obtains a temperature of each electronic device after receiving a request of a user. Then the electronic apparatus determines whether the temperatures of all the electronic devices reach a threshold value. If the temperatures of at least two electronic devices do not reach the threshold value, the electronic apparatus generates a plurality of corresponding enable signals for the electronic devices having the temperatures lower than the threshold value. The waveforms of the enable signals vary alternately. The electronic apparatus transfers the enable signals to a plurality of corresponding heaters. Being activated by the received enable signal, each of the heaters heats the corresponding electronic device.

Abstract: A boot determining method of an electronic device is used to determine whether to boot the electronic device having at least one storage. The boot determining method includes: receiving a start signal; detecting an ambient temperature; detecting whether the at least one storage has a heating module; comparing the ambient temperature with a temperature threshold; reading storage information; determining type(s) of the at least one storage according to the storage information; and determining whether to boot the electronic device after receiving the starting signal, according to a determining condition. The determining condition includes the type(s) of the at least one storage; whether the environment temperature is lower than the temperature threshold; and whether each of the at least one-storage has the heating module.

Abstract: A booting method for low temperature environment and an electronic apparatus therefor are provided. The booting method includes the following steps: reading a booting process record from a memory unit of the electronic apparatus; executing a booting process according to the booting process record, wherein the booting process includes a plurality of booting subroutines; and when executing one of the booting subroutines, updating the booting process record stored in the memory unit of the electronic apparatus corresponding to the booting subroutine, wherein the booting subroutines include providing a power output by controlling a power supply unit of the electronic apparatus, and an output value of the power output gradually increases as executing the booting subroutines sequentially.

Abstract: An electronic system, and a method and an apparatus for saving data of the electronic system are provided. The electrical system includes a central processing unit (CPU), a temperature sensor, a first controller, a second controller, a first storage device and a second storage device. When the CPU enters a suspend mode and the first controller detects a temperature of the electronic system to be lower than a threshold value through the temperature sensor, the second controller notify the application program to trigger the CPU to enter a hibernation mode, and operation data is moved from the first storage device to the second storage device.

Abstract: A booting method for low temperature environment and an electronic apparatus therefor are provided. The booting method includes the following steps: reading a booting process record from a memory unit of the electronic apparatus; executing a booting process according to the booting process record, wherein the booting process includes a plurality of booting subroutines; and when executing one of the booting subroutines, updating the booting process record stored in the memory unit of the electronic apparatus corresponding to the booting subroutine, wherein the booting subroutines include providing a power output by controlling a power supply unit of the electronic apparatus, and an output value of the power output gradually increases as executing the booting subroutines sequentially.

Abstract: The invention provides a method and a device for heating an electronic component and an electronic apparatus using the method/device. A heater is disposed at the electronic component. The heating method includes following steps: driving the heater according to a duty ratio by using electrical energy of a power module. If the output voltage of the power module is greater than a first threshold, set the duty ratio as a first ratio. If the output voltage of the power module is less than a second threshold, set the duty ratio as a second ratio. If the output voltage of the power module is between the first threshold and the second threshold, adjust the duty ratio so that the difference between the output voltage of the power module and the second threshold is positively proportional to the duty ratio.

Abstract: An electronic system, and a method and an apparatus for saving data of the electronic system are provided. The electrical system includes a central processing unit (CPU), a temperature sensor, a first controller, a second controller, a first storage device and a second storage device. When the CPU enters a suspend mode and the first controller detects a temperature of the electronic system to be lower than a threshold value through the temperature sensor, the second controller notify the application program to trigger the CPU to enter a hibernation mode, and operation data is moved from the first storage device to the second storage device.

Abstract: A hard disk temperature monitoring device for monitoring a temperature of a hard disk in a computer system is provided. A hard disk stores an operating system. A basic input/output system (BIOS) has a setting configuration. When the setting configuration is a first setting value, operation of the hard disk is restored. When the setting configuration is a second setting value, the operation of the hard disk is stopped. A thermal sensor detects a temperature of the hard disk. A keyboard controller (KBC) is electrically connected to the thermal sensor via a data transmission channel for detecting the temperature of the hard disk in real time. If the KBC detects that the temperature of the hard disk rises to a first predetermined temperature, the setting configuration is set to the second setting value, and the BIOS stops the operation of the hard disk according to the second setting value.

Abstract: An automatic thermal throttling protection method is described. a computer system executes a main BIOS for initializing an embedded controller when the computer system is power on or boots. And the sub BIOS of the embedded controller is also executed. The sub BIOS of the embedded controller obtains an upper temperature limit and a lower temperature limit set by the main BIOS, and obtains a temperature of the CPU through a thermal sensor. The sub BIOS of the embedded controller compares the temperature of the CPU with the upper temperature limit. When the temperature of the CPU is higher than the upper temperature limit, the sub BIOS sends a system control interrupt event to the main BIOS through the embedded controller. When receiving the SCI event, the main BIOS enables a throttling function to perform a throttling operation on the CPU or shuts down the computer system.

Abstract: An apparatus and method are provided to monitor the current temperature of a hard drive in a computer system protect, and protect the hard drive from being overheated. The apparatus includes a thermal sensor and a data input/output module. The hard drive stores at least one application program. The thermal sensor senses a current temperature of the hard drive. When the thermal sensor senses that the current temperature of the hard drive ascends to a first preset temperature, the data input/output module ceases the hard drive from being accessed. When the thermal sensor senses that the current temperature of the hard drive descends to a second preset temperature, the data input/output module allows the hard drive to be accessed.

Abstract: A boot determining method of an electronic device is used to determine whether to boot the electronic device having at least one storage. The boot determining method includes: receiving a start signal; detecting an ambient temperature; detecting whether the at least one storage has a heating module; comparing the ambient temperature with a temperature threshold; reading storage information; determining type(s) of the at least one storage according to the storage information; and determining whether to boot the electronic device after receiving the starting signal, according to a determining condition. The determining condition includes the type(s) of the at least one storage; whether the environment temperature is lower than the temperature threshold; and whether each of the at least one-storage has the heating module.

Abstract: An automatic testing device and method are provided to automatically test a computer system that has an electric component and a battery. First of all, a power control module controls the electricity supplied from the battery to the electric component. Next, when the computer system enters a designated mode, a battery-related component status is retrieved from a recording module through a connection interface. Afterwards, according to the battery-related component status, the computer system obtains testing information to determine whether the electric component operates normally. Since the power control module, the connection interface and the recording module are internal elements commonly configured computer system, the proposed device and method facilitate the testing tasks without any external instruments.