Abstract: A hand-held electronic device hand-held electronic device. A sensing surface is adopted to detect fingerprints and a contact of an object on the sensing surface. Storage stores a fingerprint signature. A controller is configured to determine whether a composition of detected fingerprints matches with the fingerprint signature and determine at least one character of the contact. The at least one character comprises a location on which the object contacts the sensing surface.

Abstract: A data transmission method for a data transmission system including a first device and a second device is disclosed. The method comprises the steps of transmitting a clock signal to synchronize the first device and the second device; transmitting a mode signal from the first device to the second device, wherein the mode signal indicates a transmission mode between the first device and the second device; and transmitting a serial data between the first device and the second device based on the clock signal, wherein the length of the serial data is determined based on the transmission mode.

Abstract: A portable electronic device includes a connector including first and second data pins and a power pin; a battery charging circuit configured to receive a charging current and a power voltage from an external device via the power pin and charge a battery according to the charging current; and a processor configured to make the first and second data pins, which are shorted by the external device, open and obtain an identification code via the first and second data pins from the external device after the first and second data pins are opened, wherein if the identification code matches a specific code, the processor sends a requirement to the external device, and the power voltage and the charging current received by the battery charging circuit are increased by the external device in response to the requirement.

Abstract: A mobile electronic system including a mobile electronic device and a charging accessory is provided. The mobile electronic device includes a first connector and a battery. The charging accessory includes a second connector. The first connector and the second connector are configured to couple the mobile electronic device and the charging accessory. When the charging accessory is coupled to an alternating-current voltage and the mobile electronic device, the charging accessory converts the alternating-current voltage into a direct-current voltage, detects an instantaneous voltage of the battery, determines the value of the direct-current voltage according to the instantaneous voltage, and outputs the direct-current voltage to charge the battery.

Abstract: A portable electronic device includes a connector including first and second data pins and a power pin; a battery charging circuit configured to receive a charging current and a power voltage from an external device via the power pin and charge a battery according to the charging current; and a processor configured to make the first and second data pins, which are shorted by the external device, open and obtain an identification code via the first and second data pins from the external device after the first and second data pins are opened, wherein if the identification code matches a specific code, the processor sends a requirement to the external device, and the power voltage and the charging current received by the battery charging circuit are increased by the external device in response to the requirement.

Abstract: An electronic system includes a first wireless transceiving module having a device identification code and a portable device. The portable device may include a second wireless transceiving module, and a processor. The second wireless transceiving module obtains the device identification code from the first wireless transceiving module. When the second wireless transceiving module obtains the device identification code from the first wireless transceiving module, the processor checks whether the device identification code matches to a pre-built identification code; and when the device identification code matches to the pre-built identification code, the portable device automatically determines a position of the portable device, and displays a map related to the position of the portable device in a display.

Abstract: A hand-held electronic device hand-held electronic device. A sensing surface is adopted to detect fingerprints and a contact of an object on the sensing surface. Storage stores a fingerprint signature. A controller is configured to determine whether a composition of detected fingerprints matches with the fingerprint signature and determine at least one character of the contact. The at least one character comprises a location on which the object contacts the sensing surface.

Abstract: A handheld electronic device is provided. The handheld electronic device includes a storage unit, a touch display unit and a processing unit. The storage unit stores a first program. The touch display unit displays an input interface of a second program, in which the input interface includes virtual keys. The processing unit is electrically connected to the storage unit and the touch display unit. The processing unit determines that a first program activation signal is received when the input interface is displayed on the touch display unit and executes the first program in the storage unit such that the first program to processes the operation input of the input interface.

Abstract: A touch-controlled electronic device with a wireless communication function and a method for reducing wireless signal interference to a touch sensing function are disclosed. The electronic device includes a wireless communication module, a touch sensing module and a synchronous signal interface. By the synchronous signal interface, a synchronous signal is transmitted between the wireless communication module and the touch sensing module and, accordingly, the transmission of the wireless signal is staggered from the timing that receiver electrodes of the touch sensing module receive sensed signals. Thus, wireless signal interference to the touch sensing function of the touch sensing module is suppressed.

Abstract: A mobile electronic system including a mobile electronic device and a charging accessory is provided. The mobile electronic device includes a first connector and a battery. The charging accessory includes a second connector. The first connector and the second connector are configured to couple the mobile electronic device and the charging accessory. When the charging accessory is coupled to an alternating-current voltage and the mobile electronic device, the charging accessory converts the alternating-current voltage into a direct-current voltage, detects an instantaneous voltage of the battery, determines the value of the direct-current voltage according to the instantaneous voltage, and outputs the direct-current voltage to charge the battery.

Abstract: The invention provides a method for an electronic device for automatically detecting and identifying a peripheral device. The electronic device comprises a connector having a first pin and a second pin and connects to a peripheral device through the connector. The method comprises the steps of determining whether the peripheral device is connected to the connector; reading a first state of the first pin and the second pin when determining that the peripheral device is connected to the connector; setting a voltage of the first pin to a first voltage level and then reading a second state of the first pin and the second pin; and identifying the peripheral device according to the first state and the second state. The invention also provides an electronic device and an electronic system utilizing the above-mentioned method.

Abstract: A method for avoiding an erroneous touch on a touch panel in a portable electronic device includes the steps of: determining whether a triggering event is received; enabling a sensor when the triggering event is received; detecting a distance between the portable electronic device and an object by the sensor; and determining a predetermined touch pressure threshold of the touch panel according to the detected distance.

Abstract: A touch-controlled electronic device with a wireless communication function and a method for reducing wireless signal interference to a touch sensing function are disclosed. The electronic device includes a wireless communication module, a touch sensing module and a synchronous signal interface. By the synchronous signal interface, a synchronous signal is transmitted between the wireless communication module and the touch sensing module and, accordingly, the transmission of the wireless signal is staggered from the timing that receiver electrodes of the touch sensing module receive sensed signals. Thus, wireless signal interference to the touch sensing function of the touch sensing module is suppressed.

Abstract: An electronic system includes a first wireless transceiving module having a device identification code and a portable device. The portable device may include a second wireless transceiving module, and a processor. The second wireless transceiving module obtains the device identification code from the first wireless transceiving module. When the second wireless transceiving module obtains the device identification code from the first wireless transceiving module, the processor checks whether the device identification code matches to a pre-built identification code; and when the device identification code matches to the pre-built identification code, the portable device automatically determines a position of the portable device, and displays a map related to the position of the portable device in a display.

Abstract: An electronic system includes a first wireless transceiving module having a device identification code and a portable device. The portable device may include a second wireless transceiving module, a storage module, and a processor. The second wireless transceiving module obtains the device identification code from the first wireless transceiving module. The storage module may store at least one set of data, wherein each set of data may comprise a pre-built identification code and a corresponding pre-assigned instruction. When the second wireless transceiving module obtains the device identification code from the first wireless transceiving module, the processor may be able to search for the at least one set of data to check whether the device identification code matches to the pre-built identification code stored in the storage module; and when the device identification code matches to the pre-built identification code, the processor may automatically execute the corresponding pre-assigned instruction.

Abstract: A detachable wireless communication module and a method for activating the same are disclosed. The detachable communication module, to be connected to a corresponding host connector of an electronic device, includes a housing, a short-range radio frequency module embedded into the housing, and a module connector. When the wireless communication module is detachably connected to the electronic device, the housing becomes a portion of a casing of the electronic device. The module connector, disposed on the housing, is detachably connected to the host connector of the electronic device. The module connector is used for communication between the short-range radio frequency module and a host circuitry of the electronic device. When the wireless communication module is detachably connected to the electronic device, a contact of the module connector is used for module detection to indicate that the short-range radio frequency module is embedded in the wireless communication module.

Abstract: The invention provides a method for an electronic device for automatically detecting and identifying a peripheral device. The electronic device comprises a connector having a first pin and a second pin and connects to a peripheral device through the connector. The method comprises the steps of determining whether the peripheral device is connected to the connector; reading a first state of the first pin and the second pin when determining that the peripheral device is connected to the connector; setting a voltage of the first pin to a first voltage level and then reading a second state of the first pin and the second pin; and identifying the peripheral device according to the first state and the second state. The invention also provides an electronic device and an electronic system utilizing the above-mentioned method.

Abstract: A method for avoiding an erroneous touch on a touch panel in a portable electronic device includes the steps of: determining whether a triggering event is received; enabling a sensor when the triggering event is received; detecting a distance between the portable electronic device and an object by the sensor; and determining a predetermined touch pressure threshold of the touch panel according to the detected distance.

Abstract: A data transmission method for a data transmission system including a first device and a second device is disclosed. The method comprises the steps of transmitting a clock signal to synchronize the first device and the second device; transmitting a mode signal from the first device to the second device, wherein the mode signal indicates a transmission mode between the first device and the second device; and transmitting a serial data between the first device and the second device based on the clock signal, wherein the length of the serial data is determined based on the transmission mode.

Abstract: A portable electronic device equipped with multi-function high speed bus and the relevant method is provided in the invention. The portable electronic device includes a main electronic apparatus for connecting to an expansion device through an expansion pack. The central processing unit (CPU) of the main electronic apparatus is connected to the host controller by a first system bus. The host controller is connected to the expansion pack by a multi-function high speed bus. The first system bus is electrically connected to the CPU and includes P signal lines; the multi-function high speed bus includes Q signal lines, where Q<P. The host controller bridges the signals from P signal lines of the first system bus and the signals from the Q signal lines of the multi-function high speed bus. The host controller receives the signals from the first system bus in M clock cycles and outputs the signals to the multi-function high speed bus in N clock cycles, where N>M.