Abstract: A vehicle rearview back-up system includes a backup camera, a display, a calculator, a storage unit, a detector, and a moving unit. The backup camera captures an image of a parking spot when the vehicle is backed-up to a predetermined position. The display displays the captured image and an outlined parking spot in the captured image defined by the driver. The calculator calculates an imaging ratio between the size of the captured image and the size of the outlined parking spot. The display displays a vehicle image in a predetermined region according to the calculated imaging ratio. The detector detects moving direction and moving distance of the vehicle. The moving unit moves the vehicle image in the display according to the moving direction and moving distance of the vehicle, and the calculated imaging ratio for implementing the back-up process of the vehicle.

Abstract: An audio device and a volume adjusting method are provided. The audio device includes a speed sensor, a first FIFO buffer unit, and a second FIFO buffer unit. The audio device generates audio signals by playing multimedia files and stores audio signals to the first FIFO buffer unit. The audio device collects ambient sound signals and stores collected sound signals to the second FIFO buffer unit. The audio device further analyzes stored audio signals and sound signals to determine a waveform of environmental noise signals, and determines a SPL of the environmental noise signals according to the determined waveform. The audio device then compares the determined SPL with a preset SPL and compares the sensed speed with a preset speed if the determined SPL is greater than the preset SPL, and adjusts the volume of audio signals according to a comparison result between the sensed speed and the preset speed.

Abstract: 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.

Abstract: A system for enabling the hands-free use of a mobile telephone in a vehicle includes a processing circuit, a short-range communication unit and a microcontroller unit. The processing circuit calculates positional coordinates of the system. The short-range communication unit connects with the mobile telephones and receives positional coordinates of all nearby mobile telephones. The microcontroller unit receives the positional coordinates of the system and the mobile telephones, determines which mobile telephone is located in a defined position of the vehicle, and creates a wireless connection with the mobile telephone.

Abstract: An electronic device with a function of recognizing multi-touch inputs includes a multi-touch display unit, an input unit receiving multi-touch inputs on the multi-touch display unit, a storage unit, and a processing unit. Each multi-touch input includes a plurality of touch points which forms a touch area. The storage unit stores a table which records a relationship between an area of the touch area of the multi-touch input and a function of the electronic device. The processing unit senses whether there is a multi-touch input on the display unit, computes the area of the touch area of the multi-touch input when there is a multi-touch input on the multi-touch display unit, and determines a function associated with the computed area in the table stored in the storage unit.

Abstract: A direction indicator control system for a vehicle comprising a direction indicator lamp includes a global positioning system (GPS) navigation device, a receiver, and a controller. The GPS navigation device detects a speed of the vehicle and outputs speed information data indicating the speed of the vehicle to the vehicle to the receiver. The controller adjusts a flash frequency of a direction indicator lamp according to the speed information data received by the receiver.

Abstract: A method for arranging icons in an electronic device is provided. The electronic device includes a storage unit storing a table recording icons provided by the electronic device and the number of click frequency of each of the icons. The method includes recording which of the icons is clicked and updating the number of click frequency of the clicked icon in the table, further causing the number of click frequency of the clicked icon to increase one if the icon is clicked. Then, arranging some of the icons according to the number of click frequency recorded in the table if a currently run application is closed.

Abstract: An image capturing device includes an image capturer, a first detector, a second detector, a processor, a cropping module, a storage module and a display screen. The image capturer captures a temporary image. The first detector obtains endpoint coordinates of the temporary image according to a coordinate system. The second detector detects an inclination of the image capturer and defines a virtual horizon corresponding to the image capturer. The processor receives the endpoint coordinates of the temporary image and virtual horizon and determines a deflection angle of the temporary image. The cropping module crops portions of the temporary image to a normal image based on the deflection angle of the temporary image. The storage module stores the normal image.

Abstract: An audio device and a volume adjusting method are provided. The audio device includes a speed sensor, a first FIFO buffer unit, and a second FIFO buffer unit. The audio device generates audio signals by playing multimedia files and stores audio signals to the first FIFO buffer unit. The audio device collects ambient sound signals and stores collected sound signals to the second FIFO buffer unit. The audio device further analyzes stored audio signals and sound signals to determine a waveform of environmental noise signals, and determines a SPL of the environmental noise signals according to the determined waveform. The audio device then compares the determined SPL with a preset SPL and compares the sensed speed with a preset speed if the determined SPL is greater than the preset SPL, and adjusts the volume of audio signals according to a comparison result between the sensed speed and the preset speed.

Abstract: A device and a method for adjusting backlight brightness employed in a display are provided. The electronic device includes a display unit, a backlight unit, a light sensor, a distance sensor, and a control unit. The backlight unit is configured to emit backlight for the display unit. The light sensor is configured to sense ambient brightness of the electronic device in real time. The distance sensor is configured to sense an object within a predetermined coverage area in real time. The control unit is configured to detect whether the ambient brightness changes, evaluate whether the object is sensed by the distance sensor within the predetermined coverage area when detecting that the ambient brightness is low, and not control the backlight unit to adjust the backlight brightness of the display unit when the object is sensed within the predetermined coverage area.

Abstract: An automotive headlamp control device capable of communicating with a vehicle to adjust aiming of headlamps of the vehicle includes a detecting module, a processing module, and a communication module. The detecting module detects any changes in angle of the vehicle in real time. The processing module obtains angle changes from the detecting module, determines whether adjustment of the aiming of the headlamps being needed, generates a control signal, when an adjustment being needed, according to predetermined adjustments associated with different angle changes and being stored in the processing module , to the vehicle to control the vehicle to adjust the aiming of the headlamps accordingly, and transmits the control signal to the vehicle through the communication module.

Abstract: A mobile device includes an acceleration sensing unit, a storage unit, a parameter obtaining unit, and a processing unit. The acceleration sensor senses acceleration of the mobile device. The storage unit stores an operation profile database having a plurality of operation profiles, an operation profile table mapping a sensed acceleration and a current status of a user of the mobile phone to one of the operation profiles, and a parameter obtaining table mapping a sensed acceleration to a parameter. The processing unit determines to obtain which parameter according to the sensed acceleration and the parameter obtaining table, directs the parameter obtaining unit to obtain the determined parameter, determines a current status of the user according to the obtained parameter, and switches the mobile device to a target operation profile according to the sensed acceleration, the determined current status of the user, and the operation profile table. A related method is also provided.

Abstract: A mobile phone and a location update method adapted for the mobile phone are provided. The mobile phone includes a location update processing unit, a location area judging unit, a scope acquiring unit, a scope judging unit, and a selecting unit. When the mobile phone frequently moves back and forth within a predetermined scope of a boundary area of two adjacent location areas, the mobile phone does not perform a location update, and thus the mobile phone does not need send updated location information to a network server and saves a lot of power.

Abstract: The communication device includes a display unit, a communication unit, a speaker, a detecting unit, and a processing unit. The processing unit is used to receive and process audio signals. The speaker is used to reproduce the processed audio signals and emit sound waves. The detecting unit is used to detect the sound waves and acquire an intensity level. The processing unit is also used to compare the intensity level with a predetermined intensity level, disabling the display unit when the intensity level is greater than the predetermined intensity level, and enabling the display unit when the intensity level is smaller than or equal to the predetermined intensity level.

Abstract: The disclosure provides a mobile phone with function to acquire targeted message and method thereof. The method includes steps: recording sub-actions of the mobile phone in response to input signals from a user in a predetermined time period in a coverage area of the base station, acquiring a defined key phrase of each sub-action and grouping all sub-actions associated with a same key phrase into a same action, counting the number of times of the action is performed in the predetermined time period in the coverage area of the base station, judging whether the number of times of the action reaches a preset value, if yes, sending a wireless signal including the key phrase of the action to the base station, and receiving a message including the key phrase within the text body of the message from the base station and displaying the message.

Abstract: A method for adjusting a suspension of communication time of a mobile phone is provided. Wherein the mobile phone receives wireless signals from a base station and transmits signals to the base station. The wireless signals include the suspension of communication time. The method includes decoding the received wireless signal and determining whether there are too many failed attempts to decode wireless signals in a first predetermined time, further determining the mobile phone enters a dead zone of a network, and determining size of dead zone and sensing movement speed of the phone to determine when the mobile phone will leave the dead zone. If the mobile phone will leave the dead zone soon, maintaining the connection with the network, otherwise hanging up the call.

Abstract: An electronic device with a function of recognizing multi-touch inputs includes a multi-touch display unit, an input unit receiving multi-touch inputs on the multi-touch display unit, a storage unit, and a processing unit. Each multi-touch input includes a plurality of touch points which forms a touch area. The storage unit stores a table which records a relationship between an area of the touch area of the multi-touch input and a function of the electronic device. The processing unit senses whether there is a multi-touch input on the display unit, computes the area of the touch area of the multi-touch input when there is a multi-touch input on the multi-touch display unit, and determines a function associated with the computed area in the table stored in the storage unit.

Abstract: A method for capturing videos applied in a video device is provided. The video device includes a video capturing unit having a field of view and a timer. The video device includes a position sensing unit capable of sensing first position information, and an orientation sensing unit. The video device rotatingly receives second position information and personal information periodically. The method included is first to clear the timer and begin the timer again. Then, obtaining the second position information, the personal information, the first position information, and the orientation. Next, forming a coordinate system and converting the first position information and the second position information to a set of coordinates. Then, determining which person correspond to which of the portable communication devices, and associating the personal information with each person. Next, generating a composite image and a composite video comprising the composite images.

Abstract: A method for selectively sending a location update request of a mobile phone is provided. The mobile phone determines whether it has entered a network coverage blind spot. Geographic information of the blind spot is obtained when the mobile phone is determined to have entered a network coverage blind spot, wherein the geographic information includes a length of the blind spot. The mobile phone senses a movement speed of the mobile phone if the network coverage blind spot is one of the predetermined blind spots. The mobile phone further calculates a time the mobile phone is in the blind spot according to the length of the blind spot and the movement speed of the mobile phone, and stop the periodical location update until the calculated time elapsed. The present disclosure further provides a related mobile phone.

Abstract: A mobile phone and a status control method adapted for the mobile phone are provided. The mobile phone communicates with a wireless network, such as GPRS. The mobile phone includes a data reception unit, a processing unit, and a storage unit. The processing unit records a start time and a stop time of each event which defines the running of an application program when data reception unit transfers data packet of the application program, and calculates an average interval time of the application program, and stores the average interval time. When a waiting time reaches the average interval time of the application program in the ready state, the mobile phone enters the standby state in advance, and thus the mobile phone does not need send updated location information to the SGSN and saves a lot of power.