Abstract: A dual band printed antenna that includes a substrate including a first and a second surfaces opposite to each other and conductive holes, a first and a second drivers, a first and a second reflectors and a transmission line is provided. The first driver is disposed on the first surface to generate a radiation pattern of a first frequency band. The first reflector is disposed on the first surface and apart from the first driver. The second driver is disposed on the second surface to generate a radiation pattern of a second frequency band and electrically coupled to the first driver through the conductive holes. The reflector is disposed on the second surface, corresponding to a position of the first driver and apart from the second driver. The transmission line is disposed on the first surface and coupled to a feeding point and a ground point of the first driver.

Abstract: An installing bracket is configured to be assembled to head support rods of a vehicle seat for installing an electronic device. The installing bracket includes a first locking plate and a second locking plate. The first locking plate includes a first locking portion and a first joint portion having first concaves disposed on a first side of the first joint portion. The second locking plate includes a second locking portion and a second joint portion having second concaves disposed on a second side of the second joint portion. The first locking portion is stacked on the second locking portion and locked to each other. The electronic device is locked to the first locking portion and the second locking portion. The first concaves joint with the respective second concaves to define a plurality of assembly holes for the head support rods to penetrate through.

Abstract: An electronic device and its antenna assembly are provided. The electronic device includes a display screen, a metal foothold, a motherboard, and an antenna assembly. The display screen and the motherboard are disposed at two opposite surfaces of the metal foothold. The antenna assembly electrically connected to the motherboard includes a metal frame, a plastic sheet, an antenna, and a conductive sheet. The metal frame is disposed at the metal foothold, and one side of the metal frame has an opening, so that the plastic sheet can be embedded in the opening. The antenna includes an antenna main board disposed at the plastic sheet and a double-sided antenna disposed at two opposite sides of the antenna main board. The conductive sheet is connected to the double-sided antenna and lapped over the metal frame.

Abstract: A network bridge and a network management method are provided, and the network bridge includes a first network interface, an IP address control unit, and an application unit. The first network interface receives a first packet sent from a first apparatus in a first network. The IP address control unit includes an address determination unit and an address replacement unit. The address determination unit determines whether an IP address of the network bridge is in a destination IP address field of the first packet. The address replacement unit replaces an IP address of the first apparatus in a source IP address field of the first packet with a virtual IP address when the IP address of the network bridge is in the destination IP address field of the first packet. The application unit receives the replaced first packet from the IP address control unit and processes the replaced first packet.

Abstract: A connection detection system and a connection detection method are provided. The connection detection system includes a connector, an expansion dock and a signal transmitter. The connector has a first detecting pin and a second detecting pin. The second detecting pin receives a first signal or a second signal from the first detecting pin when the expansion dock is connected to the connector. The signal transmitter is coupled to the connector. The signal transmitter is configured to receive a detection signal through the second detecting pin and determine whether the connector is connected to the expansion dock according to the sensing signal. The signal transmitter provides the first signal to the first detecting pin when the connector is not connected to the expansion dock. The signal transmitter provides the second signal to the second detecting pin when the connector is connected to the expansion dock.

Abstract: A head up display system for a vehicle is provided, including an eye tracking device and a head up display device. The eye tracking device is configured to pre-locate an initial gaze position of a driver of the vehicle before the vehicle starts moving and to detect a gaze position of the driver in real time. The head up display device includes a projector and a processor. The processor is coupled to the eye tracking device and the projector. The processor compares the gaze position with the initial gaze position, and controls the projector to project a display image to a first projection position or a second projection position according to a comparison result, wherein the first projection position corresponds to the initial gaze position and the second projection position corresponds to the gaze position. A control method of a head up display system is also provided.

Abstract: An electronic device includes a first body, a second body, and a palm component. One end of the first body comprises a supporting portion. The second body is pivotally connected to a first side of the supporting portion and comprises a sliding portion. The palm component is pivotally connected to a second side of the supporting portion and comprises a guiding portion. The sliding portion is movably connected to the guiding portion. When the first body is pivotally rotated and expended relative to the second body, the second body is driven to make the sliding portion move along the guiding portion, and the second side of the supporting portion rotates relative to the first end of the supporting portion to make the palm component protrude from the second body. A tilt angle is formed between the second body and the protruding palm component.

Abstract: A case includes a back cover, a housing, and a supporting component. The back cover is used to carry an electronic device. The housing is fixed on one side of the back cover opposite to the side carrying the electronic device. The housing includes an assembled portion. The supporting component is assembled on the assembled portion. The supporting component includes a ring-shaped support, a damping round tube, and an assembled cover. The ring-shaped support has a round shaft, the ring-shaped support rotates with respect to the assembled portion by using the assembled cover as a rotating shaft in a first axial direction, the ring-shaped support rotates with respect to the assembled cover by using the round shaft as a rotating shaft in a second axial direction, and the first axial direction is perpendicular to the second axial direction.

Abstract: An electronic device includes a circuit board and a conductive piece. The circuit board includes a hole and a grounding pad close to the hole. The conductive piece includes an insertion component and an enlarged grounding portion connected to the insertion component. The insertion component of the conductive piece is inserted into the hole of the circuit board and is electrically connected to the grounding pad, and a size of the enlarged grounding portion is larger than that of the hole.

Abstract: A text information displaying method for displaying a message received or generated by a first electronic device on a display of a second electronic device. The text information displaying method includes the steps of: receiving a request of displaying the message; generating a word string according to the request, wherein the word string includes at least one word pattern and at least one character code correspondingly representing the at least one word pattern; transmitting the word pattern and the character code from the first electronic device to the second electronic device; and receiving the at least one word pattern and the at least one character code, and displaying the at least one word pattern corresponding to the message received or generated by the first electronic device on the display according to the character code.

Abstract: A redundant power supply control circuit including a power isolating circuit and a soft start circuit is provided. The power isolating circuit is configured to isolate a first power provided by a first power device from a second power provided by a second power device. When the first power is provided to the redundant power supply control circuit, the power isolating circuit outputs the first power as a main power, and otherwise, the power isolating circuit outputs the second power to a load. The soft start circuit is coupled to the power isolating circuit to receive the main power. The soft start circuit is enabled after the soft start circuit receives the main power, such that the soft start circuit outputs the main power to the load.

Abstract: An internet phone system includes an internet phone main body, at least one expansion device and at least one multiple-layer connecting card. The internet phone main body includes a first connecting port. The at least one expansion device includes a second connecting port. One end of the multiple-layer connecting card is connected to the first connecting port, and the other end is connected to the second connecting port such that the internet phone main body can be electrically connected to the expansion device via the multiple-layer connecting card.

Abstract: An electronic apparatus and a light-emitting module driving circuit thereof are provided. The electronic apparatus includes a light-emitting module and a driving circuit. The driving circuit is coupled to the light-emitting module and is configured to generate a driving signal set to drive the light-emitting module. The driving circuit includes a first driver, a second driver, and a switching circuit. The first driver receives a control signal related to an operation status of the electronic apparatus and generates a first signal set according to the control signal. The second driver includes at least one resistor which receives system power and accordingly generates a second signal set. The switching circuit is coupled to the first driver and the second driver to receive the first signal set and the second signal set, respectively. When the switching circuit does not receive the first signal set, the switching circuit takes the second signal set as the driving signal set.

Abstract: A card insertion structure suited for a portable electronic device is provided. The portable electronic device includes a housing. The card insertion structure includes a base disposed in the housing, a pressing member movably disposed on the base, and a plastic spring strip disposed on the base. A portion of the pressing member is exposed out of the housing. The plastic spring strip leans against the pressing member and the base. A force supplied via an insertion of an electronic card drives the pressing member to deform the plastic spring strip, and after the electronic card passing by the pressing member and being inserted into the card insertion structure between the base and the housing, the pressing member is released and is restored by resilience of the plastic spring strip, and the electronic card is fixed with the housing by the pressing member.

Abstract: A warning device and a mobile carrier assembly are provided. The mobile carrier assembly includes a mobile carrier and a warning device mounted at the outside of the mobile carrier. The warning device includes an energy harvesting unit, a battery, an object sensor and a warning element. The energy harvesting unit is used to retrieve an energy from an environment and convert the energy into an electrical energy. The battery is electrically connected with the energy harvesting unit for storing the electrical energy. The object sensor is electrically connected with the battery and used to sense whether an object is present in a predetermined range. The warning element is electrically connected with the object sensor and used to issue an alert when the object sensor senses that an object is present in the predetermined range. The alert includes a sound or light.

Abstract: An imaging device and an imaging method are provided. An incident beam is separated into a first spectroscopic beam and a second spectroscopic beam by a spectroscopic unit and the first spectroscopic beam and the second spectroscopic beam are respectively incident on a first imaging module and a second imaging module. One of a phase detection autofocus (PDAF) mode and a contrast detection autofocus (CDAF) mode of the first imaging module is activated based on a brightness of an ambient light source. The first imaging module and the second imaging module are activated to shoot at a partially overlapping field of view (FOV) to obtain a first image and a second image. The first image and the second image are superimposed to obtain a composite image.

Abstract: A firmware updating method applicable to an electronic device is provided. The electronic device comprises a non-volatile memory comprising a firmware partition and a spare partition. The firmware updating method comprises: executing an auxiliary firmware, wherein the firmware partition comprises a first block and a second block, and the auxiliary firmware is in the first block and comprises a disk partition table of the non-volatile memory; receiving a system update file corresponding to a system firmware of the electronic device; and when a storage space required by the system firmware is larger than an available storage space, writing the system firmware into the second block of the firmware partition and a spare block of the spare partition according to the disk partition table and the system update file.

Abstract: An antenna unit includes a first metal portion, a second metal portion connected to one side of the first metal portion, a third metal portion connected to another side of the first metal portion and opposite to the second metal portion, a feed point disposed at the second metal portion, a first ground terminal, and a second ground terminal. The feed point, the first ground terminal and the second ground terminal are disposed in a straight line. The shape of the first metal portion is mirror-image symmetrical relative to the feed point, the first ground terminal and the second ground terminal.

Abstract: The present invention provides a portable electronic device including a body, a first connector, a display screen, and an input module. The body has an accommodation space and a door panel capable of exposing or covering the accommodation space. The first connector is disposed in the accommodation space. The display screen is connected to the body and is capable of being closed or opened relative to the body. The input module is detachably accommodated in the accommodation space. The input module has a second connector. The second connector is configured to be electrically connected to the first connector. The input module operates in a first mode when being accommodated in the accommodation space. The input module operates in a second mode after being taken out from the accommodation space.

Abstract: An antenna unit, an antenna system and an antenna control method are disclosed. The antenna unit includes a first radiation metal element, a second radiation metal element, and a third radiation metal element. The first radiation metal element includes a signal feed point, a first ground point, and a second ground point. The signal feed point, the first ground point, and the second ground point are disposed approximately in a straight line. The second radiation metal element is disposed away from the first radiation metal element with a gap and includes a third ground point. The third radiation metal element surrounds the first radiation metal element and the second radiation metal element and includes a fourth ground point.