Abstract: A tunable antenna structure having a variable capacitor includes a substrate, a first metal strip, a second metal strip and a third metal strip formed on the substrate, a variable capacitor element located between the first metal strip and the second metal strip, an inductor element located between the second metal strip and the third metal strip, a first capacitor element located between the first metal strip and the third metal strip, and a second capacitor element located on the third metal strip.

Abstract: A manufacturing method of an antenna structure includes the following steps: producing a main body by injection molding of a first plastic, wherein the first plastic is a plating grade plastic; covering the main body by a second plastic to form a covering layer, wherein plating can not be done for the first and second plastics concurrently; removing a pre-determined portion of the covering layer, wherein a patterned layer is defined by the unremoved portion of the covering layer, wherein at least one trench is formed by the exposed portion of the main body and surrounding patterned layer; and plating an antenna material in the trench to form an antenna. Thus, the instant disclosure can reduce the manufacturing cost of the antenna structure. Based on the preceding manufacturing method, an antenna structure is also disclosed.

Abstract: A wireless charging mobile communication device includes a wireless communication module, an electricity storage module, a converting module, an antenna module and a switching module. The antenna module receives and transmits wireless signal or electromagnetically induces a current. The switching module is electrically coupled to the antenna module, the wireless communication module, and the converting module. The switching module is for connecting the antenna module with the wireless communication module or connecting the antenna module with the converting module. The converting module is electrically coupled to the electricity storage module and converts the electromagnetically induced current for facilitating a charging of the electricity storage module. The converting module, the antenna module, and the switching module are integrated as an antenna device.

Abstract: A method for improving compatibility of a hearing aid with an antenna, in which at least a metal frame is provided near by a grounding surface of the antenna to change the direction of radiation of the antenna, thereby to enhance the directivity of the antenna on the side away from a hearing aid, and to reduce the quantity of radiation proceeding toward the hearing aid and to improve the near-field quantity (for about 3 dB) of an electric field of an HAC tested plane. This method can further increase the heights of the metal frames to reduce the near-field quantity of the electric field of HAC (hearing aid compatibility) tested plane.

Abstract: A touch structure having an antenna function includes a substrate unit and an antenna unit. The substrate unit has a touch surface on the top surface thereof for an external object to touch in order to operate a touch-controlled module. The substrate unit includes at least one transparent substrate having at least one transparent portion and at least one nontransparent portion disposed around the transparent portion and combined with the transparent portion, the transparent portion has an image-viewing area on the top surface thereof, and the nontransparent portion has a non-image-viewing area on the top surface thereof. The antenna unit includes at least one antenna radiation structure disposed on the transparent substrate or embedded in the transparent substrate, and the layout of the antenna radiation structure shows an antenna radiation pattern having a predetermined operation band.

Abstract: A multi-band antenna structure includes a substrate having a first surface and a second surface that is opposite to the first surface, a first metal strip and a second metal strip formed on the first surface, a third metal strip formed on the second surface, and a metal part located on the substrate. The first metal strip has a first strip and a second strip and the second strip has an inductance characteristic. The first strip of the first metal strip and the third metal strip define a first overlap area in the direction vertical to the substrate. The first overlap area has a first capacitor characteristic. The second metal strip and the third metal strip define a second overlap area in the direction vertical to the substrate. The second overlap area has a second capacitor characteristic.

Abstract: An antenna structure includes a microwave substrate, a main-antenna unit, an extension grounding unit. The main antenna unit is arranged on the surface of the microwave substrate. The main antenna unit includes a main-radiation portion, a main-feeding portion, a main-grounding portion. The extension grounding unit is arranged on the surface of the microwave substrate. The extension grounding unit includes a first extension grounding portion and a second extension grounding portion. The antenna structure can adjust the radiation pattern and improve the antenna directivity. The main-antenna unit and the sub-antenna unit share the extension grounding unit in common. So, the antenna structure can reduce the antenna occupied volume and save the mass production cost.

Abstract: An antenna structure is disclosed, which includes: a microwave substrate; and a first circuit, a second circuit, and a ground circuit disposed coplanarly on the microwave substrate. The first circuit is an open loop structure with a discontinuous portion and has a pair of ends, namely a feed point and a ground point, arranged respectively across the discontinuous portion. The ground point is connected to the ground circuit. The second circuit is disposed at the periphery of the first circuit, where the second circuit is connected to a connecting point of the first circuit on one side thereof. Thereby, the antenna structure reduces the SAR. In addition, an electronic device having an antenna structure is disclosed.

Abstract: An antenna structure is disclosed, which includes: a microwave substrate; and a first circuit, a second circuit, and a ground circuit disposed coplanarly on the microwave substrate. The first circuit is an open loop structure with a discontinuous portion having a feed point and a ground point, arranged respectively across the discontinuous portion. The second circuit is connected to a connecting point of the first circuit. The ground circuit is connected to the ground point of the first circuit and the second circuit at the connecting point of the ground circuit. Thus, the antenna structure reduces the SAR. In addition, an electronic device having the same is disclosed.

Abstract: A supper-broadband antenna structure designed with a specific coplanar waveguide (CPW) mode to make its covering range of frequency be in a range of about 300 MHz˜9 GHz., of which the covering range of frequency is in a range of 300 MHz˜9 GHz having a rational efficiency of above 40% within the range of frequency band, and the return loss is better than the value ?5 dB. The structure of a single supper-broadband antenna designed according to the present invention can be applied to many usages easily and accurately, e.g., for checking chamber stability, chamber to chamber verification etc.

Abstract: A multi-frequency antenna includes a microwave substrate, a first antenna unit, a second antenna unit, a third antenna unit and a grounding unit. The first antenna unit, the second antenna unit, and the third antenna unit are disposed on the microwave substrate surface. The grounding unit is disposed at an edge on the surface of the microwave substrate. The grounding unit is in connection with the second antenna unit. The second antenna unit and the third antenna unit are bent to form perpendicular structures to the microwave substrate. The compact arrangement reduces the physical footprint of the antenna module to enable fitment in a wide range of products having tight special constraint.

Abstract: A keyboard device with antenna function includes a keyboard unit, an antenna unit, and a conductive unit. The keyboard unit includes a substrate structure, a plurality of movable key structures disposed on the substrate structure, and at least one fixing key structure disposed on the substrate structure. The antenna unit includes at least one flexible substrate positioned on a bottom surface of one of the movable key structures or a bottom surface of the fixing key structure and at least one antenna track disposed on the flexible substrate. The conductive unit includes at least two conductive structures connected electrically to the antenna track. Hence, the instant disclosure can not only own both key function and antenna function, but also be applied to miniaturization electronic product such as notebook.

Abstract: A built-in straight mobile antenna type dual band antenna assembly includes a circuit board, a first radiator transversely arranged on one end of the circuit board and having a first resonance frequency, and a second radiator longitudinally arranged on one lateral side of the circuit board. The first radiator and the second radiator constitute an L-shaped structure for signal input through a feed end, and are connected to a ground plane on the circuit board through a common grounding lug.

Abstract: A multi-band antenna includes an insulative carrier board arranged on the top side of the display screen of a notebook computer, a main antenna which has the top metal strip thereof disposed at the top edge of the insulative carrier board and the grounding metal strip thereon arranged on the insulative carrier board, an inverted L antenna arranged on the insulative carrier board, a first capacitor, a second capacitor, an antenna feed-in terminal and/or an inductor set between the inverted L antenna and the main antenna to achieve optimal matching subject to adjustment of the capacitance values of the first and second capacitors and the inductance value and position of the inductor.

Abstract: A multifunctional antenna chip is able to mate with many kinds of matched circuits and is able to adjust the character of an antenna structure of the multifunctional antenna chip, in order that the antenna structure has one or multiple standard working frequencies. The antenna structure is a folded antenna structure basically; this can save its volume occupied. And the multifunctional antenna chip has a non-signal inputting pin for connection to thereby increase shape of the antenna for adjusting the style of the antenna structure designed.

Abstract: A multi-band HAC compatible antenna module having a metal shield arranged around the built-in antenna for resonant coupling with the antenna to lower electromagnetic interference and to improves hearing aids compatibility characteristic. When compared with a reference antenna without metal shield, the multi-band HAC compatible antenna module shows 3 dB˜4 dB HAC improvement in GSM850 and GSM900, and 1 dB HAC improvement in DCS and PCS bands.

Abstract: An IC package antenna of which a metal radiating member is firstly provided on a board to form an antenna base board; the board is formed thereon at least a feed point; and the IC package antenna is packaged with an IC packaging housing and a packaging bottom portion to form an IC chip. The IC packaging housing has a plurality of connecting pins extending outward from inside of itself; wherein the inner end of at least one connecting pin is soldering connected with a feed point of the base board of the antenna. Such an IC package antenna can allow standardized and miniaturized antenna designing, and is applicable to Surface Mount Technology (SMT).

Abstract: A dual-resonance retractable antenna including a connector, a telescopic radiating device mounted on the connector, and a radiating tube mounted on the connector around the tubular outer radiating element of the telescopic radiating device and electrically isolated from the telescopic radiating device. The telescopic radiating device is movable between an extended position and a retracted position, the dual-resonance retractable antenna can oscillate at two different resonance frequencies, having multi-band multi-system capabilities for multiplex application.

Abstract: A multi-band monopole antenna includes a first metal radiator and a second metal radiator extending in a same direction and arranged in parallel for exciting a high frequency band, and a detoured wire pattern connected between the feed end of the first metal radiator and the connection end of the second metal radiator for exciting a low frequency band.

Abstract: An antenna structure for a mobile phone to improve its hearing aid compatibility (HAC) character by metal obscuring, the antenna structure mainly is composed of an antenna base board and a copper foil; the antenna base board is provided in a housing of the mobile phone near a sound outputting hole, and a metallic thin layer is made in the housing of the mobile phone in corresponding by position with the antenna base board, the ground surface between the metallic thin layer and a circuit board in the housing of the mobile phone will form an electrically conductive connection. With this structure, distribution of the strength of the electric field of the antenna structure will be improved; thereby the test results for HAC near the sound outputting hole can be evidently improved.