Abstract: When an operation block is placed in a placing groove to electrically connect a connection module of the operation block to a control module that correspond in position to the placing groove, the control module sends an identification information of the operation block to a head-mounted display. The head-mounted display identifies the operation block according to the identification information thereof, and displays an augmented reality image corresponding to the operation block.

Abstract: A digital power supply device is provided. The digital power supply device comprises a digital power supply controller, a switch and a control module. The digital power supply controller includes a first digital power supply module configured to generate and provide a first electric energy to a first load via a first path; and a second digital power supply module configured to generate a second electric energy. The switch is electrically connected to the second digital power supply module. The control module is configured to send a control command to the switch to control the switch electrically connected to the first path or a second path. An operation method of a digital power supply device is also provided.

Abstract: A digital power supply device is provided. The digital power supply device comprises a digital power supply controller, a switch and a control module. The digital power supply controller includes a first digital power supply module configured to generate and provide a first electric energy to a first load via a first path; and a second digital power supply module configured to generate a second electric energy. The switch is electrically connected to the second digital power supply module. The control module is configured to send a control command to the switch to control the switch electrically connected to the first path or a second path. An operation method of a digital power supply device is also provided.

Abstract: A multi battery power system includes an electronic device and an extension dock. The electronic device includes a first power storage module, a first connector, a second connector and a power conversion module. The first power storage module includes a first power storage unit. The first connector is coupled to the first power storage module. The power conversion module is coupled between the first power storage unit and the second connector, and converts power stored in the first power storage unit into a converted output voltage and transmits the converted output voltage to the second connector. The extension dock includes a third connector and an electrical load. The third connector is paired with and selectively connected to the second connector of the electronic device. The electrical load is coupled to the third connector, and selectively receives the converted output voltage from the electronic device via the third connector.

Abstract: A method for efficient wireless communications includes transmitting a connection request via a communications apparatus to a peer device to try to establish a connection with the peer device to trigger a Circuit Switch Fallback (CSFB) procedure; starting a predetermined timer via the communications apparatus when transmitting the connection request; and when there is no response message received from the peer device by the time the predetermined timer expires, transmitting the connection request again via the communications apparatus to the peer device at least once to retry to establish the connection with the peer device.

Abstract: A method for efficient wireless communications includes transmitting a tracking area update (TAU) request message by a communications apparatus to a peer device to initiate a TAU procedure; receiving a paging message by the communications apparatus from the peer device after transmitting the TAU request message; and in response to receipt of the paging message, retransmitting the TAU request message by the communications apparatus to the peer device to reinitiate the TAU procedure immediately or transmitting a request message by the communications apparatus to the peer device immediately, without waiting a predetermined time period.

Abstract: A boost converter circuit includes a first boost module, a first detecting unit, a second boost module and a first detecting unit. The first boost module includes a first comparing control unit. The first detecting unit is coupled to the first boost module, and the first detecting unit adjusts a first input signal of the first comparing control unit according to a first signal of the first boost module. A second boost module is connected in parallel to the first boost module, and the second boost module includes a second comparing control unit. The second detecting unit is coupled to the second boost module, and the first detecting unit adjusts a second input signal of the second comparing control unit according to a second signal of the second boost module.

Abstract: A power management method and an electronic system using the same are provided. The electronic system includes a display device and an auxiliary device, and has dual batteries and two subsystems. By detection and control mechanisms of the subsystems, the electronic system may allow the display device to maintain in a full power state, in the case where the external power is available or the power of the auxiliary device is sufficient. On the other hand, the auxiliary device may apply to the display device, such as a notebook computer, and the battery time may also be extended since the computer has two batteries.

Abstract: A boost converter and a drive control module thereof are provided. The boost converter includes a inductor, a power switch, a PWM control circuit and the drive control module. The inductor is coupled between the input terminal and the output terminal. The power switch is coupled between a inductor and a ground end. The PWM control circuit is provided to provide the PWM control signal to the gate of the power switch to control the conducting state of the power switch, and the conversion output voltage at the second end. Based on the current load state of the boost converter in operation, the drive control module outputs the gate electronic potential signal to the PWM control circuit according to the input voltage or the conversion output voltage, and the PWM control circuit adjusts the voltage amplitude of the PWM control signal correspondingly.

Abstract: A wireless communication device for enhancing a data rate for a packet-switched (PS) data service is provided. The device comprises a processor configured to reference cell information corresponding to a first subscriber identity card to maintain mobility for a second subscriber identity card by using the referenced cell information when performing the PS data service with a first service network for the first subscriber identity card.

Abstract: A multi battery power system includes an electronic device and an extension docking. The electronic device includes a first power storage module, a first connector, a second connector and a power conversion module. The first power storage module includes a first power storage unit. The first connector is coupled to the first power storage module. The power conversion module is coupled between the first power storage unit and the second connector and converts power stored in the first power storage unit into a converted output voltage and transmits the converted output voltage to the second connector. The extension docking includes a third connector and an electrical load. The third connector is paired with and selectively connected to the second connector of the electronic device. The electrical load is coupled to the third connector, and selectively receives the converted output voltage from the electronic device via the third connector.

Abstract: An apparatus for auto-regulating the input power source of a driver is provided. The apparatus includes a load detector and a controller. The load detector detects a load current and outputs a detection signal according to the load current. The controller is coupled to the load detector and receives the detection signal. The controller provides an operation voltage between a first voltage and a second voltage, wherein the first voltage is lower than the second voltage. The operation voltage is supplied to the driver and regulated flexibly according to different load demand. In the light loading, the device for auto-regulating the input power source can improve the use efficiency of electric power.

Abstract: A wireless communication device for eliminating performance degradation of a packet-switched (PS) data service. The device comprises a processor configured to receive a request to perform the PS data service with a first subscriber identity card, reduce a plurality of scheduled monitoring tasks associated with a second subscriber identity card, and perform the PS data service with the first subscriber identity card while using the reduced plurality of scheduled monitoring tasks to maintain mobility or receive network messages with the second subscriber identity card.

Abstract: A boost converter circuit includes a first boost module, a first detecting unit, a second boost module and a first detecting unit. The first boost module includes a first comparing control unit. The first detecting unit is coupled to the first boost module, and the first detecting unit adjusts a first input signal of the first comparing control unit according to a first signal of the first boost module. A second boost module is connected in parallel to the first boost module, and the second boost module includes a second comparing control unit. The second detecting unit is coupled to the second boost module, and the first detecting unit adjusts a second input signal of the second comparing control unit according to a second signal of the second boost module.

Abstract: A multiphase power supply device and a current adjusting method thereof are provided in the application. The multiphase power supply device outputs power sources and currents with different phases to a microprocessor, and a detection module detects present temperature values of each phase power source to adjust currents of each phase power source to achieve thermal balance. The multiphase power supply device further can automatically measure the power efficiency and display results including the detected temperature values of each phase power source and the power efficiency on a screen, and thus the user can know the operation efficiency of the power supply device conveniently.

Abstract: A communications apparatus includes a processor coupled to at least one RF transceiver and at least one baseband processing device and capable of communicating with a first wireless network belonging to a first RAT and a second wireless network belonging to a second RAT having a higher data transmission throughput than the first RAT. A first processor logic unit of the processor performs an enhanced cell search procedure via the RF transceiver to find one or more cell(s) belonging to the second RAT having stronger signal strength and/or better signal quality than a predetermined threshold, which are not included in a broadcast neighbor cell list. A second processor logic unit of the processor determines a suitable cell from among the cell(s) and performs a cell reselection procedure to camp on the suitable cell.

Abstract: A wireless communication device for enhancing a data rate for a packet-switched (PS) data service is provided. The device comprises a processor configured to reference cell information corresponding to a first subscriber identity card to maintain mobility for a second subscriber identity card by using the referenced cell information when performing the PS data service with a first service network for the first subscriber identity card.

Abstract: A wireless communication device for eliminating performance degradation of a packet-switched (PS) data service. The device comprises a processor configured to receive a request to perform the PS data service with a first subscriber identity card, reduce a plurality of scheduled monitoring tasks associated with a second subscriber identity card, and perform the PS data service with the first subscriber identity card while using the reduced plurality of scheduled monitoring tasks to maintain mobility or receive network messages with the second subscriber identity card.

Abstract: A power management method and an electronic system using the same are provided. The electronic system includes a display device and an auxiliary device, and has dual batteries and two subsystems. By detection and control mechanisms of the subsystems, the electronic system may allow the display device to maintain in a full power state, in the case where the external power is available or the power of the auxiliary device is sufficient. On the other hand, the auxiliary device may apply to the display device, such as a notebook computer, and the battery time may also be extended since the computer has two batteries.

Abstract: A power supply, an over voltage protection (OVP) apparatus, and an OVP method are provided. The present invention employs the OVP apparatus for monitoring a core power. When a voltage level of the core power is higher than a reference voltage, the OVP apparatus disables a power supply unit. As such, the present invention is adapted for avoiding damage to a capacitor of a conversion unit or load caused by abnormal boost of the voltage level of the core power.