Abstract: A package substrate is provided, including a board body having a wiring region and a testing region defined thereon, conductive pads embedded in the wiring region, and a plurality of testing pads disposed in the testing region and electrically connected to the conductive pads, wherein the top surface area of each of the testing pads is greater than the top surface area of each of the conductive pads in order to facilitate a precise alignment of a probe with a corresponding one of the testing pads and prevent the probe from being blocked by the board body when in electrically testing an embedded circuit.

Abstract: A high vacuum container includes an inner container body, an outer container body, a first group of supporting devices and a second group of supporting devices. Each group of supporting devices includes four supporting assemblies, and two supporting assemblies are disposed at the upper portion of the high vacuum container, and the other two are disposed at the lower portion of the high vacuum container. Each supporting assembly includes a base plate welded at outer surface of the inner container body and a heat insulating pipe extending along a radial direction of the high vacuum container, one end of the heat insulating pipe abutting against the base plate. Each supporting assembly at the lower portion further includes a fixing element, and each fixing element partly is partly inserted into the outer container body through the opening on the outer container body.

Abstract: A digital set top box with a composite channel table has a CPU connected to a signal input unit, a video/audio output unit and a memory unit, wherein the signal input unit has a plurality of media connecting ports. The composite channel table is programmed in the CPU and divided into a default channel section and a user-defined channel section with one or more channels. The default channel section and the user-defined channel section correspond to different media connecting ports. After the media information of each channel in the user-defined channel section has been recorded, a user selects one of the media connecting ports by designating the channel number through a remote control to display media data of the selected media connecting port on a TV.

Abstract: A detector for detecting multiple HDMI signals includes an HDMI source port, an HDMI objective port and a status detecting unit. The HDMI source port includes a CEC pin, an HTPLG pin and a DDC pin. The HDMI objective port includes a CEC pin, an HTPLG pin and a DDC pin set. The status detecting unit includes an input port, an output port and a status crosscheck module. The input port includes a CEC pin, an HTPLG pin and a DDC pin set respectively connected to those of the HDMI source port. The output port includes a CEC pin, an HTPLG pin and a DDC pin set respectively connected to those of the HDMI objective port. The status crosscheck module detects whether the HTPLG pin and the CEC pin of the input port receive signals or not.

Abstract: An HDMI signal distributor includes a distributing unit, an HDMI source port, multiple HDMI objective ports and a detector. The distributing unit includes an input port, multiple output ports and multiple control pins. The HDMI source port is connected to the distributing unit and includes a DDC pin set and multiple data pins. The multiple HDMI objective ports are connected to the distributing unit and each HDMI objective port includes a DDC pin set and multiple data pins. The detector is connected to the distributing unit, the HDMI source port and the multiple HDMI objective ports. The detector includes multiple duplex-connecting ports, multiple control pins and an EDID determining module. The EDID determining module compares an EDID signal from each HDMI objective port with an EDID signal from the HDMI source port to send suitable signals to the HDMI objective ports.

Abstract: A high vacuum container includes an inner container body, an outer container body, a first group of supporting devices and a second group of supporting devices. Each group of supporting devices includes four supporting assemblies, and two supporting assemblies are disposed at the upper portion of the high vacuum container, and the other two are disposed at the lower portion of the high vacuum container. Each supporting assembly includes a base plate welded at outer surface of the inner container body and a heat insulating pipe extending along a radial direction of the high vacuum container, one end of the heat insulating pipe abutting against the base plate. Each supporting assembly at the lower portion further includes a fixing element, and each fixing element partly is partly inserted into the outer container body through the opening on the outer container body.

Abstract: A USB connector device for an antenna has a first cable, a receiver, a second cable and a USB connector. The first cable has an end connected to the receiver. The second cable has two ends respectively connected to the receiver and the USB connector. Because the receiver and the USB connector are combined in a series-connection way, the series-connection design can compact the structure of the USB connector device for an antenna in accordance with the present invention and reduce redundant cables, and it occupies a single one USB slot of the computer only. The USB connector device is very useful and convenient in use.

Abstract: A data driver device and a display device, in which the data driver device includes a plurality of data lines; a plurality of first charge-share switches connected between a share line and the plurality of data lines, respectively; and a plurality of second charge-share switches each connected between two adjacent data lines among the plurality of data lines.

Abstract: A data driver device and a display device, in which the data driver device includes a plurality of data lines; a plurality of first charge-share switches connected between a share line and the plurality of data lines, respectively; and a plurality of second charge-share switches each connected between two adjacent data lines among the plurality of data lines.

Abstract: An antenna assembly has an antenna and a bracket. The bracket is connected with the antenna and has a hanger, a telescopic strut and an antenna stand. The telescopic strut is mounted securely on the hanger and has a base tube and a moving rod mounted slidably and rotatably in the base tube. The antenna stand is mounted securely on the moving rod and is detachably connected with the antenna. Because the moving rod is capable of being raised, lowered and rotated relative to the hanger, it is very convenient and easy to position the antenna for adjustment and improved receipt of signals.

Abstract: A USB peripheral device and a method of determining USB speed mode. The method of determining USB speed mode for an USB peripheral device, wherein the USB peripheral device is coupled to an USB host through an USB transmission cable, and the USB transmission cable comprises power and ground lines for power supply, and first and second data signals for transmitting data, the method comprising the USB peripheral device pulling up voltage level of the first data signal with a first pull-up device, the USB peripheral device pulling up voltage level of the second data signal with a second pull-up device, and the USB host determining a high/full speed mode for the USB peripheral device, when detecting only one of the first and second data signals exceeding a threshold, and then detecting the other data signal exceeding the threshold in a predetermined period.

Abstract: An operational amplifier includes a differential amplifier including an active load, a current mirror including a first branch and a second branch, a first switch connected between a first power source and an output node and switched in response to a voltage of a first output terminal of the differential amplifier, a first bias circuit to control an amount of a reference current flowing in the first branch in response to a voltage of a second output terminal of the differential amplifier, a second bias circuit to control a voltage of the second branch in which a mirror current flows, in response to a voltage of the first output terminal, a second switch connected between the output node and a second power source and switched in response to a voltage of the second branch, and a capacitor connected between the output node and the first output terminal.

Abstract: A internal antenna with rotatable mounting bracket assembly is mounted on an edge of a flat panel television and has a mounting bracket, a clamp and a rotatable antenna seat. The mounting bracket is mounted on the edge of a flat panel television and has a mounting disk, a front jaw and a clamp socket. The clamp attaches to and holds the mounting bracket on the edge of a flat panel television and has an arm assembly and a rear jaw. The arm assembly is mounted slidably in the clamp socket and has a resilient element. The resilient element holds the clamp in the clamp socket. The rear jaw is formed on and protrudes down from the arm assembly. The rotatable antenna seat is mounted rotatably on the mounting bracket and has an antenna bracket. The antenna bracket clips the antenna and is formed on the disk.

Abstract: An operational amplifier includes a differential amplifier including an active load, a current mirror including a first branch and a second branch, a first switch connected between a first power source and an output node and switched in response to a voltage of a first output terminal of the differential amplifier, a first bias circuit to control an amount of a reference current flowing in the first branch in response to a voltage of a second output terminal of the differential amplifier, a second bias circuit to control a voltage of the second branch in which a mirror current flows, in response to a voltage of the first output terminal, a second switch connected between the output node and a second power source and switched in response to a voltage of the second branch, and a capacitor connected between the output node and the first output terminal.

Abstract: An operational amplifier includes a differential amplifier including an active load, a current mirror including a first branch and a second branch, a first switch connected between a first power source and an output node and switched in response to a voltage of a first output terminal of the differential amplifier, a first bias circuit to control an amount of a reference current flowing in the first branch in response to a voltage of a second output terminal of the differential amplifier, a second bias circuit to control a voltage of the second branch in which a mirror current flows, in response to a voltage of the first output terminal, a second switch connected between the output node and a second power source and switched in response to a voltage of the second branch, and a capacitor connected between the output node and the first output terminal.

Abstract: A planer antenna for receiving digital television programs is conductive and formed on a printed circuit board and has a body and an interface. The body is formed on the printed circuit board to receive an electromagnetic wave signal of television programs in a frequency range from around 470 MHz to around 860 MHz and has a longitudinal line of symmetry along which a series of shapes is formed starting with a trapezoid segment, then an hexagon segment and then a diamond segment and has a feeding port. The interface is rectangular, conductive and formed on the circuit board corresponding to the feeding port and connected electrically to the body at the feeding port. The interface has an output port formed on the interface for connecting to and transmitting signals to a television.

Abstract: A collapsible interior antenna has a main antenna, two wing antenna assemblies and a secondary antenna. The main antenna is rectangular and has two opposite connecting edges. The wing antenna assemblies are pivotally mounted respectively on the connecting edges and connected transmittably to the main antenna. The secondary antenna is a telescopic antenna, receives signals having a different frequency band to the main antenna and is electrically mounted on the main antenna. A person can minimize a footprint of the collapsible interior antenna by retracting the secondary antenna and folding the wing antenna assemblies toward the main antenna. When in use, the wing antenna assemblies can be unfolded to receive signals from different directions.

Abstract: A receiving antenna with a bendable support has a body, a mounting bracket and a bendable device. The body receives electromagnetic signals and has a rear surface and a connecting fixture protruding from the rear surface. The mounting bracket has a base with a top surface and a mounting post protruding from the top surface of the base. The bendable device is rod-like, is semi-rigid and flexible and has a distal end and a proximal end. The proximal end and distal end connect respectively to the connecting fixture of the body and the mounting post of the mounting bracket. A person can adjust orientation of the body to the mounting bracket by bending the bendable device.

Abstract: A planer antenna for receiving digital television programs is conductive and formed on a printed circuit board and has a body and an interface. The body is formed on the printed circuit board to receive an electromagnetic wave signal of television programs in a frequency range from around 470 MHz to around 860 MHz and has a longitudinal line of symmetry along which a series of shapes is formed starting with a trapezoid segment, then an hexagon segment and then a diamond segment and has a feeding port. The interface is rectangular, conductive and formed on the circuit board corresponding to the feeding port and connected electrically to the body at the feeding port. The interface has an output port formed on the interface for connecting to and transmitting signals to a television.

Abstract: A collapsible interior antenna has a main antenna, two wing antenna assemblies and a secondary antenna. The main antenna is rectangular and has two opposite connecting edges. The wing antenna assemblies are pivotally mounted respectively on the connecting edges and connected transmittably to the main antenna. The secondary antenna is a telescopic antenna, receives signals having a different frequency band to the main antenna and is electrically mounted on the main antenna. A person can minimize a footprint of the collapsible interior antenna by retracting the secondary antenna and folding the wing antenna assemblies toward the main antenna. When in use, the wing antenna assemblies can be unfolded to receive signals from different directions.