Abstract: The antenna matching circuit control device with an antenna body includes a sensing module, a processing module, a power adjusting module and a frequency adjusting module. The sensing module senses an object that approaches the antenna body and outputs a sensing signal accordingly. The processing module is coupled to the sensing module and outputs a first control signal and a second control signal according to the sensing signal. The power adjusting module is coupled to the processing module and controls a power amplifier to couple with one of a plurality of first matching circuits according to the first control signal. The frequency adjusting module is coupled to the antenna body and the power adjusting module. The frequency adjusting module controls one of a plurality of second matching circuits to couple with one of the first matching circuits according to the second control signal.

Abstract: An expansion device includes a casing and a wireless transceiving module. The casing includes a receiving slot suitable for accommodating a mobile communication device, wherein the mobile communication device includes at least an antenna to operate at least one communication band. When the mobile communication device is accommodated in the receiving slot, the wireless transceiving module receives electromagnetic wave at the communication band, generates at least one radio frequency signal, and wirelessly couples the radio frequency signal to the antenna in the mobile communication device.

Abstract: A connector adapted to be disposed in a mobile device to electrically connect with a signal terminal of an electronic device is provided. The connector includes a casing, a tube, a pin and a terminal set. The casing has a first side, a second side and a through hole, and the tube is disposed in the second side. The pin has a first end and a second end. The first end is slidably disposed in the through hole and the second end protrudes out of the tube. The terminal set includes a first terminal and a second terminal, and the second terminal is movably connected with the first terminal. When the mobile device is assembled to the electronic device, the signal terminal of the electronic device leans against the pin, so that the pin leans against the first terminal to separate the first terminal and the second terminal.

Abstract: The present invention relates to a method for fabricating thin film transistors (TFTs), which includes the following steps: forming a semi-conductive layer on a substrate; forming a patterned photoresist layer with a first thickness and a second thickness on the semi-conductive layer; pattering the semi-conductive layer by using the patterned photoresist layer as a mask to form a patterned semi-conductive layer; removing the second thickness of the patterned photoresist layer; performing a first ion doping process on the patterned semi-conductive layer by using the first thickness of the patterned photoresist layer as a mask; removing the first thickness of the patterned photoresist layer; and forming a dielectric layer and a gate on the patterned semi-conductive layer. The present invention also discloses a method for fabricating an array substrate including aforementioned TFTs.

Abstract: The antenna matching circuit control device with an antenna body includes a sensing module, a processing module, a power adjusting module and a frequency adjusting module. The sensing module senses an object that approaches the antenna body and outputs a sensing signal accordingly. The processing module is coupled to the sensing module and outputs a first control signal and a second control signal according to the sensing signal. The power adjusting module is coupled to the processing module and controls a power amplifier to couple with one of a plurality of first matching circuits according to the first control signal. The frequency adjusting module is coupled to the antenna body and the power adjusting module. The frequency adjusting module controls one of a plurality of second matching circuits to couple with one of the first matching circuits according to the second control signal.

Abstract: The present invention relates to a method for fabricating thin film transistors (TFTs), which includes the following steps: forming a semi-conductive layer on a substrate; forming a patterned photoresist layer with a first thickness and a second thickness on the semi-conductive layer; pattering the semi-conductive layer by using the patterned photoresist layer as a mask to form a patterned semi-conductive layer; removing the second thickness of the patterned photoresist layer; performing a first ion doping process on the patterned semi-conductive layer by using the first thickness of the patterned photoresist layer as a mask; removing the first thickness of the patterned photoresist layer; and forming a dielectric layer and a gate on the patterned semi-conductive layer. The present invention also discloses a method for fabricating an array substrate including aforementioned TFTs.

Abstract: A navigation display system includes a navigation device, a projection module and a remote-controlled module. The navigation device has a screen. The projection module is pivotally connected with and rotatable relative to the navigation device to project an image displayed on the screen onto a projection screen. The remote-controlled module is disposed on a direction steering unit of a vehicle to control the navigation device.

Abstract: A multi-band communication device includes a first wireless signal processing circuit, a second wireless signal processing circuit, an antenna switch module, a first antenna unit and a second antenna unit. The first wireless signal processing circuit is used for operating multiple first band signals. The second wireless signal processing circuit is used for operating multiple second band signals. The antenna switch module is in communication with the first wireless signal processing circuit and the second wireless signal processing circuit for switching the first band signals and a first portion of the second band signals. The first antenna unit is in communication with the antenna switch module. The second antenna unit is in communication with the second wireless signal processing circuit.

Abstract: A signal transceiver for saving the production cost of a wireless communication device includes an antenna, an antenna switch module, a radio frequency (RF) transceiver, an RF front-end circuit, a first selection unit and a second selection unit. The signal transceiver uses the RF front-end circuit unit to meet requirements of multi-band for the wireless communication device through the operation of the first selection unit and the second selection unit to greatly reduce the production cost of the wireless communication device.

Abstract: A handheld GPS device has a device body. A base band processor is installed in the device body. Three antennas with high directivity are respectively installed perpendicular to three surfaces of the device body for receiving GPS signals. A control device is coupled to the base band processor and the antennas with high directivity. At least two switches are respectively coupled to the control device and each of the three switches corresponds to one of the three antennas with high directivity. One of the switches enables the control device to permit the base band processor receiving GPS signal from the corresponding antenna with high directivity when the frame triggers one of the switches.

Abstract: Hand-held communication device includes a first housing, a rotation axle connected to the first housing in a rotatable manner, a second housing, an antenna installed inside the second housing, and a rod with one end connected to the rotation axle in a rotatable manner and the other end connected to the second housing. The antenna can be positioned to optimize radio frequency signal reception by rotating the rotation axle with respect to the first housing and rotating the rod with respect to the rotation axle.

Abstract: A handheld GPS device has a device body. A base band processor is installed in the device body. Three antennas with high directivity are respectively installed perpendicular to three surfaces of the device body for receiving GPS signals. A control device is coupled to the base band processor and the antennas with high directivity. Three switches are respectively coupled to the control device and each of the three switches corresponds to one of the three antennas with high directivity. One of the switches being triggered enables the control device to permit the base band processor receiving GPS signal from the corresponding antenna with high directivity.

Abstract: Hand-held communication device includes a first housing, a rotation axle connected to the first housing in a rotatable manner, a second housing, an antenna installed inside the second housing, and a rod with one end connected to the rotation axle in a rotatable manner and the other end connected to the second housing. The antenna can be positioned to optimize radio frequency signal reception by rotating the rotation axle with respect to the first housing and rotating the rod with respect to the rotation axle.