Abstract: A method for manufacturing a chip antenna is invented, which comprises forming multiple meandered lines, folding the meandered line set, and forming a package to encapsulate a three-dimensional antenna structure. The material of the package is a dielectric composite formed with polymers and ceramic powders, which has a dielectric constant designed for the antenna. The characteristics of the chip antenna are determined by the structures of the antenna body and the dielectric constant of the package. Thus, a requirement for miniature structures in antenna applications can be satisfied.

Abstract: A loop-type antenna for radio frequency identification includes a main body and a feed portion. The main body includes a loop member and at least one pair of coupled sections. The loop member has at least one gap. Each of the coupled sections is connected with one end of corresponding one of the at least one gap. The pair has identical extension direction. The feed portion is electrically connected with the loop member in the manner that the loop member is symmetrical in terms of the feed portion. An antenna array for radio frequency identification also is provided.

Abstract: A process operating a forging mold for manufacturing a towing bar involves having a softened aluminum material after preheating in a mold; the mold contains a molding cavity; one end of the cavity is provided with a contour of a gooseneck of the towing bar and another end is provided with a contour of a middle section of a shank of the towing bar; the mode is then incorporated with an extension mold containing an extension hole for molding an extended section of the shank of the towing bar; a punch performs forging process on the aluminum material in the cavity externally from the extension hole; and the aluminum material is extruded by the punch to extend for a preset length in the direction towards the extension mold to complete the molding of the towing bar.

Abstract: An impedance matching circuit converts between an input impedance of an antenna and a characteristic impedance of a transmission line, such as a coaxial cable. The impedance matching circuit includes a transformer and a lumped circuit. The transformer has a primary side and a secondary side. The secondary side is configured to electrically connect with the antenna. The lumped circuit is electrically connected with the primary side, for converting the input impedance of the primary side to the characteristic impedance. An antenna assembly using the above-mentioned impedance matching circuit is also provided.

Abstract: A chip antenna has a dielectric material layer, a first meandered strip, a second meandered strip and several bended strips. The first meandered strip is meandered in one direction and disposed on the dielectric material layer. The second meandered strip is meandered in another direction and disposed on the dielectric material layer. The first meandered strip is connected to the second meandered strip. The bended strips are connected to the turns of the meandered strips.

Abstract: A chip antenna apparatus for receiving global positioning system signals, includes a L-shaped ground area and an omni-directional chip antenna. The L-shaped ground area is disposed on a circuit board. The omni-directional chip antenna is disposed in a gap of the L-shaped ground area on the circuit board and electrically connected to the L-shaped ground area.

Abstract: A testing system for testing flatness of a surface of a workpiece includes a testing apparatus (10) and a processor (20). The testing apparatus includes a testing box (12) and a measuring apparatus (14). The testing box includes a plurality of holders (122); the holders define a datum plane. The measuring apparatus comprises a plurality of movable testing poles (142) extending out of the testing box and a plurality of gauges (141) configured for measuring distance of the testing poles retracting into the testing box. Ends (1421) of the testing poles away from the testing box are located at the datum plane and configured for supporting the surface of the workpiece thereon to allow the gauges measuring retracting distance of the testing poles under the pressure of the workpiece. The retracting distance of the testing poles is equal to distances between testing points on the surface of the workpieces and the datum plane.

Abstract: A clamping device (100) for clamping a portable electronic device is provided. The clamping device includes a mounting board (12) and a clamping mechanism (14). The clamping mechanism includes at least one adjusting member (141), at least one sliding block (145), and a sliding rail (146). The sliding rail is selectively attached to the mounting board, either horizontally or vertically. Each respective sliding block is slidably mounted to the sliding rail. Each adjusting member respectively engages with a corresponding sliding block and is configured to drive the corresponding sliding block to move along the sliding rail.

Abstract: A key testing apparatus (100) is provided. The key testing apparatus includes a base (11) and an actuator (12). The actuator includes a testing member (17) and a mounting member (18). The mounting member includes at least one base board (181) fixed to the base, a lower board (182), a mounting board (183), and a mounting sheet (185). The lower board is adjustably attached to the base board. The mounting board is adjustably attached to the lower board. The mounting sheet is adjustably attached to the mounting board. The clamping device includes a base desk (131), a clamping platform (132), at least one first clamping board (133) and second clamping board (134). The base desk is adjustably attached to the base. The clamping platform, at least one first clamping board, and at least one second clamping board are adjustably attached to the base desk.

Abstract: A testing system (100) is used to test a flip-type electronic device (80). The electronic device includes a cover (802) and a main body (801). A hinge (803) connects with the cover and the main body. The testing system includes a base (10), a plummer (20), a flipping device (30) and a control device (40). The plummer is fixed on the base for locking the electronic device. The flipping device is fixed on the base for opening and closing the cover of the electronic device. The control device includes an optical fiber sensor (42) for sensing the movement of the cover of the electronic device. The control device connects with the flipping device so as to control the flipping device.

Abstract: A testing device (100) configured for testing a multihole workpiece (10) with a plurality of holes (12), includes a detecting station (120) and an inspecting box (140). The detecting station positions a plurality of detecting pins (124) and a plurality of detecting apparatus (128). The detecting pins correspond to the holes of the multihole workpiece. The detecting apparatus respond for the multihole workpiece and sending detecting signals. The inspecting box receives the detecting signals from the detecting apparatus of the detecting station, and deals with and shows detecting results.

Abstract: A flexible/adjustable fixing system (100) for fixing a workpiece (40) includes an information management module (10), a plurality of driving devices (20), and a positioning device (30). The information management module receives and processes the position information of the workpiece. The driving devices electronically couple with the information management module. The positioning device includes a platform (31) and a plurality of positioning pins (32). One end of the workpiece is positioned in a certain area of the platform. Each respective pin is attached to a corresponding driving device. When the driving device receives an order/signal from the information management module, the positioning pin is selectably driven relative to (e.g., toward, away from) the workpiece by the driving device.

Abstract: A measuring system (100) for flatness degree measurement includes a measuring instrument (10) and a processing device (20). The measuring instrument has a base (12), a guide column (14), a sliding member (16), a digital micrometer (18) and a holding member (19). The guide column is vertically attached to the base. The sliding member is moveably attached to the guide column. The digital micrometer is firmly fastened to the sliding member. The holding member is configured for fixing a workpiece (40) and has a reference-standard surface formed thereon. The processing device electronically connects with the digital micrometer. The processing device receives a plurality of measured values from the digital micrometer and displays a testing result after processing the measured values.

Abstract: A method for manufacturing microchip antenna comprises a dielectric substrate having antenna radiation conductor paths composing of at least one feeding point and multiple-curved paths; a dielectric substrate having the antenna radiation conductor paths being packaged by the material capable of adjusting easily dielectric constant; and an antennal object including antenna radiation conductor paths, feeding ends, welding spots and packaging materials. The main body of the antenna has multi-folded paths, feeding ends, welding spots, and a packaging body. The radiation wires of the antenna is built on a single or a multiple input ends on a dielectric substrate and is multi-folded wires and it is packaged by another dielectric material. The radiation wires of the antenna can be designed and manufactured in three dimension so as to reduce the area occupied by the antenna and reduce the coupling interference between the elements.

Abstract: A discontinuous transmission line structure includes an input transmission line, an output transmission line, a plurality of meandered inductors, coupled in series between the input transmission line and the output transmission line, and a plurality of shunted to grounded capacitors, coupled between the meandered inductors. The discontinuous transmission line structure has a high inductance and a high capacitance, and can effectively reduce the size by increasing the transmission line load impedance and capacitance while the characteristic impedance of the transmission line structure remains.

Abstract: An exemplary testing mechanism (100) is used for testing for a sufficiency of a casing 90. The testing mechanism includes a framework (20) and a testing module (40). The framework includes a base board (21) and a pillar (26). One end of the pillar is mounted on the base board. The testing module includes a main board (42) and at least one testing pin (44). The main board is slidably mounted on the pillar. A bottom end of the testing pin is slidably mounted to the main board. A top end of the testing pin is positioned adjacent to the base board of the framework. The at least one testing pin is located in a position corresponding to at least one mounting hole of a sufficient casing.

Abstract: A connection apparatus for a chip antenna includes a connection base and at least one chip slot. The connection base is disposed on a circuit board and connects to the electronic components of the circuit board via a connection wire. The chip slot is disposed on the connection base for inserting the chip antenna. Thus, the chip antenna is connected to the electronic components of the circuit board via the connection wire.

Abstract: A stirring rod includes a soft pipe having a protrusion at an end, an open end at another end, and one or more grooves at the periphery of the pipe. A rod is inserted into the pipe, and the length of the rod sheathed into the pipe is shorter than the length of the pipe. The rod and the pipe are latched by the latch, such that when the pipe is compressed by the rod to spread open the groove, the position adjacent to each groove is extended outward, and the pipe is changed from a linear shape to a shape of an outwardly extended flower, so as to increase the stirring area and give more fun to the use of the stirring rod. After the stirring rod is used, the rod can be pressed gently to separate the latch, and then the pipe resumes its original shape.

Abstract: An integrating SOC capable of integrating a micro-antenna System on Chip (SOC) of integrating micro-antennas comprises an existing radio frequency model, a circuit board and an antenna element to a package of single SOC. The micro-antenna element is formed by using antenna radiated conductor paths composing of a single-feeding end or multiple-feeding ends and multiple-curved paths. Active or passive elements are selected to match up the antenna element and relative circuits, and arranges on the circuit board. Then by using embedding type injection molding or glue-filling modeling, the single SOC is finished by the package of a radio frequency model and an antenna element.

Abstract: A method for judging standardization order of workpieces includes steps as follows: sampling different types of workpieces, and recording parameters of the samples; transforming the parameters of the respective samples into a plurality of respective standardization grades S for evaluating standardization order of the workpieces; and arranging a standardization order of the workpieces according to their respective standardization grades S.