Abstract: An input/output module comprises a module body, a circuit board, and an input/output port. The circuit board is coupled to the module body and has a first surface and a second surface. A second connection portion is disposed on the second surface and electrically connected to a mobile electronic device body. The input/output port is disposed on the first surface and electrically connected to the second connection portion. The input/output port has an insertion end corresponding in position to an opening of the module body and connected to an external transmission connector. Further provided is a mobile electronic device having an input/output module, wherein the input/output module is replaceable such that the mobile electronic device has a transmission interface function and is expandable in applicability.

Abstract: A data transmission selection circuit and method select one of data transmission lines between a mother system and daughter systems and transmit data via the selected transmission line. The circuit includes an inputting module, an outputting module, a switching unit, and a processing unit. The inputting module receives and sends the data. to the switching unit and the outputting module. The processing unit receives a previous switching status data (indicating that one of the data transmission lines and one of the daughter systems are connected and) created by a previous data transmission selection circuit. After analyzing the previous switching status data with an algorithm, the processing unit determines a switching status data. different from the previous switching status data, such that the switching unit connects another one of the data transmission lines and another one of the daughter systems according to the switching status data.

Abstract: A fixing bracket for signal connector adapted to fix a signal connector to a circuit board is provided. The fixing bracket includes a base, a fixing member protruding from a bottom surface of the base and at least two engaging sets protruding from a top surface of the base. The fixing member is adapted to pass through and interfere with the circuit board. Each engaging set includes a first restricting surface and a second restricting surface which are adjacent to each other and perpendicular to the top surface, and a third restricting surface parallel to the top surface. The two first restricting surfaces, the two second restricting surfaces and the two third restricting surfaces of the two engaging sets are used for respectively contacting two first surfaces, two second surfaces and two third surfaces of the signal connector so as to fix the signal connector.

Abstract: A magnetic stripe reader apparatus comprises a first casing, a second casing, a magnetic stripe reader unit, and at least a connecting element. The first casing has an opening, a first positioning portion, and an adjustable fixing portion. The second casing has a second positioning portion disposed corresponding to the first positioning portion, and a through hole disposed corresponding to the adjustable fixing portion. The magnetic stripe reader unit is disposed between the first and second casings, and has a magnetic stripe reader head and a fixing element disposed on a side of the magnetic stripe reader head. In assembly, the connecting element passes through the through hole and connects to the adjustable fixing portion to fix the first and second casings. The second positioning portion and the first positioning portions hold the fixing element, and the magnetic stripe reader head is exposed from the opening.

Abstract: A wireless charging holder and an assembly of an electronic device and the wireless charging holder are provided. The wireless charging holder includes a body, a fixing element, a power line, a first coil, and a first magnetic element. The body is used to hold the electronic device. The fixing element has a first end connecting with the body and a second end fixed on a vehicle. The power line has a third end connecting with the body and a fourth end to plug into a socket. The first coil on the body is electronically connected with the power line. The first magnetic element disposed in the body is adjacent to the first coil. The electronic device having a second coil is fixed by the first magnetic element on the body, and the first coil overlaps the second coil to induce current for charging the electronic device.

Abstract: A wireless rechargeable electronic device includes a body and a replaceable battery pack. The body includes a wireless charging control circuit. The replaceable battery pack includes a battery cell and a wireless charging induced circuit. The wireless charging induced circuit is adapted for generating an induced current, and the induced current is transmitted to the battery cell after passing through the wireless charging control circuit.

Abstract: A backup battery charger charges a backup battery of a handheld electronic device. The handheld electronic device comprises a power supply unit and an electronic component. The power supply unit supplies a power to the electronic component. The backup battery charger is connected to the electronic component, such that the backup battery charger shares with the electronic component the power, uses the power as a charging power, and controllably determines via a control module whether to supply the charging power to the backup battery.

Abstract: A power socket includes a socket main body, a front cover and a safety gate mechanism. The front cover has two openings. The safety gate mechanism includes a casing and a safety gate. The casing located between the socket main body and the front cover has two inserted holes and a protrusion. The inserted holes are aligned with the openings. The safety gate slidably disposed at the casing is dislocated from the protrusion. When the safety gate is at a first position, the safety gate blocks the inserted holes, and two terminals of a plug push the safety gate through the two openings to make the safety gate slide to expose the inserted holes. When an object pushes the safety gate through one of the openings, the safety gate rotates to drive a part of the safety gate to be aligned with the protrusion to avoid exposing the inserted holes.

Abstract: An electronic device with electromagnetic interface protection including a first printed circuit board, a second printed circuit board, a shielding member, and a first fixing member is provided. The shielding member is located between the first printed circuit board and the second printed circuit board. A first end of the shielding member is fixed to the first printed circuit board, and the first fixing member is buckled to a second end of the shielding member so that the shielding member is fixed to the second printed circuit board.

Abstract: A transmission station adapted to provide power to at least one network device and transmit signal to the network device is provided. The transmission station includes a housing, a network hub, and a power supply. The housing has a supporting surface, and the network device is disposed on the supporting surface. The network hub is disposed in the housing and transceives a number of transmission signals. The network hub includes a number of signal-transmitting ports to transmit and receive the transmission signals to each network device respectively. The power supply is disposed in the housing and produces multiple output power and operating power. The power supply provides the operating power to the network hub and the power supply includes a number of power-outputting ports to provide the output power to each network device respectively.

Abstract: An electronic device holder used to be fixed on a moving carrier for holding an electronic device is provided. The electronic device holder includes a holder, a fixing element, a moving unit and at least one first connector. The fixing element fixed on the holder has a first limiting structure. The moving unit disposed between the holder and the fixing element moves relative to the holder. The moving unit has a second limiting structure used to lock with the first limiting structure for fixing the moving unit on a lock position or an open position. The first connector is disposed on the moving unit and used to connect with a second connector when the moving unit is located on the lock position relative to the holder. The electronic device holder integrates functions of holding and charging for the electronic device.

Abstract: A multistage module expansion system and multistage module communication method, applicable to a set-top box, are introduced. The system includes a master module, at least a preceding expansion module, and at least a succeeding expansion module. The master module generates and sends a control instruction to the preceding expansion module and the succeeding expansion module. The preceding expansion module and the succeeding expansion module each determine whether the control instruction is of a type executable by the preceding expansion module and the succeeding expansion module, respectively. If the determination is affirmative, the preceding expansion module creates and sends a preceding data packet to the master module, and the succeeding expansion module creates and sends a succeeding data packet to the preceding expansion module, such that the preceding expansion module sends the succeeding data packet to the master module.

Abstract: A printed circuit board grounding structure for use with a communication apparatus is configured for use with a printed circuit board to contact a grounded casing and thereby form a grounded circuit capable of electromagnetic wave shielding. The printed circuit board ground structure includes a copper conductive layer and a plurality of solder contacts. The copper conductive layer is circumferentially disposed along the periphery of the printed circuit board. The solder contacts are disposed on the copper conductive layer and used for electrically contacting with the casing. The printed circuit board grounding structure prevents deterioration of electromagnetic wave shielding despite oxidation of the copper conductive layer. The circumferentially-disposed copper conductive layer blocks electromagnetic wave generated from inside the printed circuit board, prevents leakage of the electromagnetic wave, and ultimately prevents the electromagnetic wave from interfering with other electronic apparatuses.

Abstract: An open-loop GPS antenna configured on an insulation object is provided. The open-loop GPS antenna includes a feed, a high frequency circuit, a low frequency circuit and a ground. The high frequency circuit includes a first end, connected to the feed, and a second end. The low frequency circuit includes a third end and a fourth end. The third end is disposed parallel to the second end so as to couple to the second end and generate a capacitance effect to transmit a signal. The fourth end is connected to the ground.

Abstract: A signal detection method for a communication apparatus and a signal detection system are provided. The signal detection method is suitable for controlling a test apparatus through an electronic apparatus to run a test on the communication apparatus. In the signal detection method, a designated test apparatus option corresponding to a designated test apparatus is selected from plural test apparatus options. A designated communication protocol is selected from plural wireless communication protocols. A test request is generated according to a model of the designated test apparatus and the designated communication protocol. The test request is transmitted to the designated test apparatus, so that the designated test apparatus performs an initialization process. The designated test apparatus is controlled to perform a signal detection process on the communication apparatus, so that the designated test apparatus generates a detection result.

Abstract: A data transmission selection circuit and method select one of data transmission lines between a mother system and daughter systems and transmit data via the selected transmission line. The circuit includes an inputting module, an outputting module, a switching unit, and a processing unit. The inputting module receives and sends the data. to the switching unit and the outputting module. The processing unit receives a previous switching status data (indicating that one of the data transmission lines and one of the daughter systems are connected and) created by a previous data transmission selection circuit. After analyzing the previous switching status data with an algorithm, the processing unit determines a switching status data. different from the previous switching status data, such that the switching unit connects another one of the data transmission lines and another one of the daughter systems according to the switching status data.

Abstract: A multimedia device includes a body, a first electronic module and a second electronic module. The first electronic module and the second electronic module are pivotally connected onto the body, respectively. The first electronic module and the second electronic module are configured to rotate relatively to the body and capture or display a multimedia information, respectively.

Abstract: A power socket includes a socket main body, a front cover and a safety gate mechanism. The front cover has two openings. The safety gate mechanism includes a casing and a safety gate. The casing located between the socket main body and the front cover has two inserted holes and a protrusion. The inserted holes are aligned with the openings. The safety gate slidably disposed at the casing is dislocated from the protrusion. When the safety gate is at a first position, the safety gate blocks the inserted holes, and two terminals of a plug push the safety gate through the two openings to make the safety gate slide to expose the inserted holes. When an object pushes the safety gate through one of the openings, the safety gate rotates to drive a part of the safety gate to be aligned with the protrusion to avoid exposing the inserted holes.

Abstract: A signal expansion selection device receives a plurality of selection data from users to select one of audio-video signals generated from audio-video apparatuses. Each of the audio-video signals selected by a corresponding one of the users is converted into an audio-video datum for use by the user. The signal expansion selection device includes selection ports, a processing unit, multiplexing modules, and audio-video output ports. The selection ports send the selection data to the processing unit. The processing unit processes the selection data with an algorithm to generate a control command. The multiplexing modules select one of the audio-video signals according to the control command. The processing unit decodes and converts the selected audio-video signal to audio-video data and enables the audio-video data to be sent from one of the audio-video output ports.

Abstract: A power saving method and a handheld electronic device using the same are provided. The method includes the following steps. A trigger signal is received. An user interface is displayed in a touch display panel unit of the handheld electronic device, wherein the user interface includes at least one control item and the at least one control item respectively corresponds to at least one working mode of the handheld electronic device. An operating signal corresponding to one of the at least one control item is received from the touch display panel unit. The working mode of the handheld electronic device is switched according to the operating signal and a working frequency of the handheld electronic device is adjusted according to the working mode.