Abstract: Embodiments of the present invention disclose an inversion-type package structure for a flip chip and a flip chip having the same, which relate to the technical field of chip packaging, and solve the defect that the existing manners for measuring chip temperature cannot accurately measure the temperature when a die of the flip chip works. The inversion-type package structure for the chip as provided by the present invention comprises a package substrate, a die welded on the package substrate in an inversion manner, a package housing and at least one temperature measuring element, which is characterized in that the at least one temperature measuring element is arranged in a first space below the die in the package substrate, and a residual space except for the space occupied by the at least one temperature measuring element in the first space is filled with an insulating heat conductive substance.

Abstract: A device for adjusting an electric parameter, including at least a base having at least two terminal pairs, a positioning body, and at least one first portion. Both ends of at least one of the terminal pair are connected to the first portion. A pair of signal terminals is disposed on the positioning body, and both ends of one of the terminal pairs are contacted with the signal terminal on the positioning body as a position of the base is changed, whereby facilitating adjustment of electric parameters. The device of the invention can be applied to various electronic circuits, RF circuits, microwave circuits, and so on, thus implementing step and quantitative adjustment of the electric parameters.

Abstract: Taught is a portable digital photographing system combining position navigation information and image information, wherein the position navigation information and the captured image information is combined and processed by a digital signal processing unit. The combined information then is stored in a register and displayed through an interface circuit. The portable digital photographing system can merge the location, time, and position information into the image or video. In addition, an electronic map corresponding to a position navigation information can be displayed on a display monitor.

Abstract: Provided herein is a variable inductor, comprising a substrate having a surface layer and an inner layer, a plurality of fixed inductors disposed on the substrate, a signal microstrip line serially connecting the fixed inductors to form a serial fixed inductor, a conductive sheet, a signal input terminal, and a signal output terminal, wherein one end of the serial fixed inductor is connected to the signal input terminal, the other end of the serial fixed inductor is connected to the signal output terminal, and the conductive sheet is for controlling the fixed inductors. The variable inductor of this invention is useful in applications where a given number of inductance values are required, so as to efficiently adjust and obtain the required inductance values.

Abstract: The invention discloses a variable attenuator, comprising two or more resistors each resistor having its own effective resistance value, and means for simultaneously short circuiting at least a portion of two or more of said resistors, whereby simultaneously changing the effective resistance values. The variable attenuator of the invention is suitable for use in various high frequency and microwave circuits and systems, and has the features of a wide frequency band, small size, easy fabrication, low cost, and so on.

Abstract: A temperature compensation attenuator formed from a base, a serial film thermistor having two ends, a parallel film resistor, an input terminal, and an output terminal. The serial film thermistor and the parallel film resistor are disposed on the base, the input terminal and the output terminal are connected to the two ends of the serial film thermistor. The temperature compensation attenuator features a small size, good RF performance and simple production, and solves the problem of easy detachment of discrete components from the attenuator.

Abstract: A device for adjusting an electric parameter, including at least a base having at least two terminal pairs, a positioning body, and at least one first portion. Both ends of at least one of the terminal pair are connected to the first portion. A pair of signal terminals is disposed on the positioning body, and both ends of one of the terminal pairs are contacted with the signal terminal on the positioning body as a position of the base is changed, whereby facilitating adjustment of electric parameters. The device of the invention can be applied to various electronic circuits, RF circuits, microwave circuits, and so on, thus implementing step and quantitative adjustment of the electric parameters.

Abstract: A variable attenuator, including at least a one-stage attenuator circuit, including at least a signal input end, a signal output end, a common grounded end, a first serial resistor, a first parallel resistor, a first parallel switch, and a first serial switch. The first serial resistor is disposed between the signal input and the signal output end. The signal input end, the signal output end, and the first serial resistor form a main signal circuit. The first parallel resistor is connected between the main signal circuit and the common grounded end. The first parallel switch is connected in parallel with the first serial resistor, and the first serial switch is connected in series with the first parallel resistor. During operation of the variable attenuator, as the parallel switch is switched on to eliminate attenuation, the serial switch is switched off.

Abstract: A temperature compensation attenuator comprising: a base; a first film thermistor having two edges, a second film thermistor having a first edge, a second edge; and a third edge; an input terminal; an output terminal and a ground terminal; wherein the first film thermistor and the second film thermistor are disposed on the base; one edge of the first film thermistor is contacted to the input terminal; the other edge of the first film thermistor is contacted to the output terminal; the first edge of the second film thermistor is contacted to the input terminal; the second edge of the second film thermistor is contacted to the output terminal, the third edge of the second film thermistor is contacted to the ground terminal; and the first film thermistor has a temperature characteristic opposite to that of the second film thermistor.

Abstract: A temperature compensation attenuator formed from a base, a serial film thermistor having two ends, a parallel film resistor, an input terminal, and an output terminal. The serial film thermistor and the parallel film resistor are disposed on the base, the input terminal and the output terminal are connected to the two ends of the serial film thermistor. The temperature compensation attenuator features a small size, good RF performance and simple production, and solves the problem of easy detachment of discrete components from the attenuator.

Abstract: A temperature compensation attenuator comprising: a base; a first film thermistor having two edges, a second film thermistor having a first edge, a second edge; and a third edge; an input terminal; an output terminal and a ground terminal; wherein the first film thermistor and the second film thermistor are disposed on the base; one edge of the first film thermistor is contacted to the input terminal; the other edge of the first film thermistor is contacted to the output terminal; the first edge of the second film thermistor is contacted to the input terminal; the second edge of the second film thermistor is contacted to the output terminal, the third edge of the second film thermistor is contacted to the ground terminal; and the first film thermistor has a temperature characteristic opposite to that of the second film thermistor.

Abstract: A temperature compensation attenuator comprises a base, a serial film thermistor and a parallel film resistor on the base, an input terminal and an output terminal which are connected to the serial film thermistor The serial film resistor is at least partially a film thermistor and the parallel film resistor is not a thermistor. The attenuators can be applied in various circuits and systems utilizing high frequency waves or microwaves, and more particularly, are suitable for use in mobile communication systems, satellite communication systems, satellite navigational systems, and radar systems which require strict temperature characteristics.

Abstract: Taught is a portable digital photographing system combining position navigation information and image information, wherein the position navigation information and the captured image information is combined and processed by a digital signal processing unit. The combined information then is stored in a register and displayed through an interface circuit. The portable digital photographing system can merge the location, time, and position information into the image or video. In addition, an electronic map corresponding to a position navigation information can be displayed on a display monitor.

Abstract: A temperature compensation attenuator comprises a base, a serial film thermistor and a parallel film resistor on the base, an input terminal and an output terminal which are connected to the serial film thermistor The serial film resistor is at least partially a film thermistor and the parallel film resistor is not a thermistor. The attenuators can be applied in various circuits and systems utilizing high frequency waves or microwaves, and more particularly, are suitable for use in mobile communication systems, satellite communication systems, satellite navigational systems, and radar systems which require strict temperature characteristics.

Abstract: Provided herein is a variable inductor, comprising a substrate having a surface layer and an inner layer, a plurality of fixed inductors disposed on the substrate, a signal microstrip line serially connecting the fixed inductors to form a serial fixed inductor, a conductive sheet, a signal input terminal, and a signal output terminal, wherein one end of the serial fixed inductor is connected to the signal input terminal, the other end of the serial fixed inductor is connected to the signal output terminal, and the conductive sheet is for controlling the fixed inductors. The variable inductor of this invention is useful in applications where a given number of inductance values are required, so as to efficiently adjust and obtain the required inductance values.

Abstract: This specification discloses a temperature compensation attenuator comprising a base 6, a film thermistor 1 disposed on the base 6, an input terminal 3 and an output terminal 4 which are connected to the two ends of the film thermistor 1, respectively, and a film resistor 2, wherein the top side of the film resistor 2 is electronically connected to the bottom side of the thermistor 1, and the bottom side of the film resistor 2 is electronically connected to the ground. By connecting the temperature compensation attenuator of the present invention to a high frequency or microwave active circuit, it can compensate for the variance in the gain of the high frequency or microwave active device or the drift of the frequency characteristic of the active device due to temperature variance.

Abstract: The present invention teaches a steering wheel for a vehicle comprising a grip frame; one or more spoke frames; a supporting shaft; and at least one force-cushioning element; wherein the spokes connect the grip frame to the supporting shaft; the grip frame and/or the spoke frames comprise two or more parts; the force-cushioning element is disposed between the parts; and the force-cushioning element is capable of being deformed by a force exerted by a driver colliding with the steering wheel whereby deforming the grip frame and/or the spoke frames.

Abstract: The present invention discloses a variable inductor for high frequency or microwave circuits, comprising a substrate, a fixed inductor, and signal terminals made of metal micro strip line disposed on the substrate, which also comprises a conductive sheet disposed on the substrate for changing the geometry of the metal micro strip line of the effective inductance portion of the fixed inductor, and an insulator for changing the contact area between the conductive sheet and the metal micro strip line of the fixed inductor, the insulator being adjacent to the conductive sheet. The variable inductor of the present invention is suitable for high frequency or microwave circuits. Its size is small, its cost is low, and it can be used for various circuits with adjusted inductance such as high frequency and microwave matching circuits, resonant circuits, control circuits, and so on.

Abstract: Taught herein is a virtual toy fighting device integrating a positioning receiver comprising a host toy device 2, a host remote-control operation device 6 and a opponent toy device 22, wherein the host toy device 2 and the opponent toy device 22 comprise a positioning receiver 3 and a positioning receiver 33 for receiving positioning information, respectively. The invention is applicable for fighting a combat game between air-to-air, air-to-land, air-to-water, land-to-land, water-to-surface, and land-to-water models, in a single user, or multiple user environment (one-to-one, one-to-many and many-to-many), and thereby widens the entertainment range of the game. This invention has wide applications in the areas of toy tools, simulators, training models, and so on.

Abstract: This specification discloses a temperature compensation attenuator comprising a base 6, a film thermistor 1 disposed on the base 6, an input terminal 3 and an output terminal 4 which are connected to the two ends of the film thermistor 1, respectively, and a film resistor 2, wherein the top side of the film resistor 2 is electronically connected to the bottom side of the thermistor 1, and the bottom side of the film resistor 2 is electronically connected to the ground. By connecting the temperature compensation attenuator of the present invention to a high frequency or microwave active circuit, it can compensate for the variance in the gain of the high frequency or microwave active device or the drift of the frequency characteristic of the active device due to temperature variance.