摘要:
The method includes: associating different cell phones to different enciphering and deciphering keys of an asymmetric encryption algorithm. Access information of the network lock corresponding to the cell phone is enciphered by the corresponding enciphering key. Then, the enciphered network lock is stored in the cell phone, and the corresponding deciphering key is recorded in an inerasable memory of the cell phone. The original plaintext access information of the network lock and the enciphering key is stored only in a service provider of the communication network. When the cell phone tries to access the communication network, it deciphers the enciphered network lock using the deciphering key stored in the inerasable memory to verify the network lock of the cell phone.
摘要:
A device for ring tone output. The device comprises a phone speaker, a ringing speaker, a receiver, a switching device and a micro-controller. The receiver acquires audio data via a traffic channel. The audio data comprises a ring tone. The switching device receives the ring tone and selectively transmits the ring tone to the phone speaker and the ringing speaker. The micro-controller directs the switching device to transmit the ring tone to the ringing speaker.
摘要:
A device for ring tone output. The device comprises a phone speaker, a ringing speaker, a receiver, a switching device and a micro-controller. The receiver acquires audio data via a traffic channel. The audio data comprises a ring tone. The switching device receives the ring tone and selectively transmits the ring tone to the phone speaker and the ringing speaker. The micro-controller directs the switching device to transmit the ring tone to the ringing speaker.
摘要:
The method includes: associating different cell phones to different enciphering and deciphering keys of an asymmetric encryption algorithm. Access information of the network lock corresponding to the cell phone is enciphered by the corresponding enciphering key. Then, the enciphered network lock is stored in the cell phone, and the corresponding deciphering key is recorded in an inerasable memory of the cell phone. The original plaintext access information of the network lock and the enciphering key is stored only in a service provider of the communication network. When the cell phone tries to access the communication network, it deciphers the enciphered network lock using the deciphering key stored in the inerasable memory to verify the network lock of the cell phone.
摘要:
A method and related apparatus for reducing power consumption of a cell phone. The method includes: when the cell phone is in an idle state, connecting to a base station after a time interval several times that of the discrete receiving (DRX) time interval assigned by the base station so as to still maintain a logged-in state to the base station but to decrease radio transmissions and save power.
摘要:
A portable electronic device with power failure recovery, powered by a main power source, the device comprising a power detection module, a processor, a timing unit and a power management unit. The power detection module detects an output characteristic from the main power source and asserts an interrupt signal if the characteristic is below a threshold value. The processor asserts a turn-off signal and an enable signal in response to the interrupt signal. The timing unit asserts a notification signal at a predetermined time interval when the enable signal is asserted. Upon receipt of the turn-off signal, the power management unit disconnects the main power source from a circuit block. Moreover, the power management unit reconnects the main power source to the circuit block when the notification signal is asserted and the output characteristic of the main power source is beyond the threshold value.
摘要:
An address space expansion method implemented by the electronic device which includes a storage unit, wherein the storage unit includes a first storage unit and a second storage unit, comprising: responding to the user operation to generate a target address; determining whether a address range of the target address is less than or equal to a predetermined address range, and generating a corresponding control signal; enabling the first storage unit or the second storage unit according to the generated corresponding control signal; acquiring a physical address corresponding to the target address and providing the physical address to the enabled storage unit according to the corresponding control signal and a predetermined converting rule; accessing and performing a reading/writing operation for data corresponding to the physical address of the enabled storage unit.
摘要:
A foldable electronic device and a detection method. The detection method determines whether the foldable electronic device is in an open position or a closed position according to a detected sound wave received by a microphone of the foldable electronic device.
摘要:
A power saving method for a mobile device in a wireless communication system is disclosed. The power saving method comprises obtaining a first parameter according to a first signal transmitted between the mobile device and a first network; estimating a first power consumption of the mobile device in the first network according to the first parameter and a first radio access technology (RAT) employed in the first network; determining whether the first network is suitable according to at least a comparison of the first power consumption with a second power consumption of the mobile device in a second network, wherein the second network employs a second RAT different from the first RAT; and switching to a the second network when the first network is not suitable.
摘要:
An exemplary system for assisting a driver while reversing his or her car is used in conjunction with the car being fitted with a real-time information acquiring module to collect information concerning a road behind the car. The system includes a wireless communication device for wirelessly communicating with the real-time information acquiring module. The wireless communication device includes a detection module to detect movement information of the car, and a control module to compare the movement information with pre-stored standard parameter information. The standard parameter information can include the acceleration value of the car becoming zero, and a backward movement beginning within 20 seconds after the acceleration value becomes zero. The control module signals the real-time information acquiring module when the movement information matches the pre-stored standard parameter information. The wireless communication device further includes a display to display information of the road at the rear of the car.