Abstract: Disclosure is related to an omnidirectional antenna. Structurally the antenna includes multiple antenna units which are oppositely disposed around the edges of a grounded substrate. The antenna is able to handle at least two bands of electromagnetic signals. The body of each antenna unit includes a radiating member which is extended from an inverse-F portion type structure at the upper half of the body. A downward-protrudent feeding member is formed at the middle portion of the radiating member. A connecting member electrically connected to the substrate is formed at the lower half of the body, and associated with the radiating member. At least two upward-protrudent grounding members are formed onto the connecting member. The grounding members are jointly grounded with the substrate. It is noted that the feeding member is extended in the midst of the two grounding members. The opposite antenna units are mutually served be reflectors.

Abstract: A printed antenna module applied to an RF detection procedure is provided. The module comprises a substrate, a ground terminal part, a feeding part, an antenna body, and a second connecting end. The substrate comprises a first surface and a second surface. The ground terminal part and the feeding part are disposed on the first surface. A first end of the feeding part corresponds to the ground terminal part. The antenna body, disposed on the first surface relative to the ground terminal part, comprises a first extending part. One end of the first extending part forms a first connecting end. The second connecting end is disposed on the first surface. The shapes of the first and the second connecting ends correspond to each other. A second end of the feeding part is connected to the second connecting end. An RF detection point is formed on the second surface.

Abstract: The monopole antenna comprises an antenna body comprising a first radiation portion and a second radiation portion comprising a feed-in terminal, wherein the first radiation portion has a length and a width extending respectively in a first direction and a second direction, the first direction is perpendicular to the second direction, and the first radiation portion is connected to the second radiation portion in the first direction; a dielectric part, coupled to the antenna body; and a ground part, coupled to the dielectric part for enabling the dielectric part to isolate the antenna body from the ground part; wherein the length of the first radiation portion is adjusted to adjust operation frequency of the antenna body, the width of the first radiation portion is adjusted to adjust operation bandwidth of the antenna body, and size of the second radiation part is adjusted to adjust impedance matching of the antenna body.

Abstract: A dual band antenna with improved radiation characteristic, comprising: a ground plane, formed at the bottom thereof; two impedance matching elements formed respectively at the two arms thereof while connecting to the ground plane so as to form a first joint and a second joint at the connections in respective; a first radiation unit, connected to the first joint, being formed like an arc connected to the first joint that is disposed concave to the bottom ground plane while extending from the first joint toward the second joint, and then turning vertically upward from the end of the arc for enabling the end of the vertical portion to connect to a second radiation unit; and the second radiation unit, being formed like an arc that is disposed concave to the bottom ground plane while extending from the joint with the first radiation unit toward the first joint.

Abstract: A dipole antenna includes a substrate, a first conductive slice and a second conductive slice. The substrate has a first surface, a second surface and a first conductive hole. The second surface is disposed opposite to the first surface, and the first conductive hole passes through the first surface to the second surface. The first conductive slice is disposed on the first surface and has a feeding point. The second conductive slice is disposed on the second surface and has a ground point. The first conductive slice and the second conductive slice are disposed interlacedly and electrically connected to each other via the first conductive hole. The total length of the first conductive slice, the second conductive slice and the first conductive hole has to match the operating frequency of the dipole antenna.

Abstract: An antenna including a radiation portion is provided. The radiation portion includes a feed terminal and three conductor branch paths directly extending from the feed terminal. The three conductor branch paths are located on the same side of the feed terminal, and each has an initial direction, and any two of the three initial directions have an acute angle therebetween. A method for manufacturing an antenna having three operating frequency bands is also provided.

Abstract: A printed antenna comprising a substrate, a first ground plane, a low frequency radiation, a high frequency radiation, a first matching portion, a second matching portion is provided. The first ground plane, the low frequency radiation portion, the high frequency radiation portion and the first matching portion are located on an upper surface of the substrate. The low frequency radiation portion is connected to the high frequency radiation portion, and the first matching portion is extended from the first ground plane and towards the high frequency radiation portion. The second matching portion is adjacent to the first matching portion but does not overlap the first matching portion.

Abstract: The present invention provides a communicating device and a method for peer to peer communication between voice over IP (VOIP) devices by means of transmitting IP address to remote site by Call ID method and establishing a data structure. The data structure stated above may record the Internet IP address corresponding to the outgoing and incoming VOIP phone number. When a user dials or receives the phone number recorded in the data structure, the communicating device with this data structure will find the Internet IP address corresponding to this VOIP phone number and using this IP address for peer to peer communication. It is unnecessary to register to SIP proxy or Call Agent which provided by service provider.

Abstract: An antenna with electromagnetic interference (EMI) shelter is disclosed, which comprises: an EMI shelter, mounted on a substrate while covering the same; a radiation unit; an induction current steering unit, disposed at a position between the EMI shelter and the radiation unit; and a signal feed-in unit, electrically connected with the radiation unit; wherein, the induction current generated by the radiation unit when it is activating is guided to the EMI shelter through the guidance of the induction current steering unit, and then to be feed into a ground connection (GND), thereby, preventing the operation of radio circuit elements that are mounted on the substrate from being interfered by the electric wave resulting from the induction current. With the aforesaid configuration, not only the EMI effect can be significantly suppressed and the overall manufacturing cost of the antenna can be effectively reduced, but also the signal transmission efficiency is improved.

Abstract: Disclosure herein is related to an outdoor wireless modem and a signal processing method thereof. The outdoor wireless modem is particularly disposed in the midst of and bridging a local-area network and a wide-area network established by a mobile communication network. One of the objectives of the invention is to provide a solution replacing the present last mile connection. According to one of the embodiments, main circuit of the outdoor wireless modem includes a radio-frequency module and a baseband module. The baseband module includes at least two processing circuits for respectively processing the signals over the mobile communication network and the packets over the local-area network. The processing circuits are packaged into one module according to the design. Further in one embodiment, a bandwidth integration unit is introduced to the modem. The bandwidth integration unit serves to achieve load balance and bandwidth integration.

Abstract: The present invention discloses an electronic device including a signal transmission module and a wideband monopole antenna. A feeding portion of the antenna is coupled to the signal transmission module through a feeding cable. A first radiating portion and a second radiating portion of the antenna are respectively coupled to the feeding portion, wherein the feeding portion, the first radiating portion, and a signal ground portion define a first slot, while the second radiating portion and the signal ground portion define a second slot. In the first slot, the spacing between the first radiating portion and the signal ground portion is not less than a first distance. In the second slot, the spacing between the second radiating portion and the signal ground portion is not less than a second distance. Thus, the voltage standing wave ratio of the antenna within a frequency band is less than a threshold.

Abstract: A present invention relates to a monopole wideband antenna, that is a wall mounted handing type antenna capable of providing easy frequency adjustment and operating at broad frequency band range. Moreover, the monopole wideband antenna of the invention can be applied in various electronic devices, and is advantageous in its low cost and small size since it can be fabricated directly using a means of print formation upon a circuitboard.

Abstract: Disclosure is related to a universal driving method and a system for a variety of peripherals. For solving the problem in a hardware manufacturer required to provide many versions of drivers and proprietary programs for different host systems and operating systems, the universal driving method allows the host system drives its peripherals via a scripting language. In accordance with the embodiment of the invention, the host system may recognize and connect to a peripheral device via an address while the peripheral device is linked to the host system. After that, a channel is established between the peripheral device and the host system. The scripting language is then used to generate an operating interface for the peripheral device. Users may therefore access the peripheral device through the interface.

Abstract: An universal serial bus socket is disclosed, which comprises: a shell, disposed on a planar surface, being formed with a first surface and a second surface at positions corresponding to each other while having a slot to be formed thereon with a length extending in an extending direction forming a first included angle with respect to the planar surface; and an USB connector, being arranged inside the slot while allowing an USB jack of the USB connector to expose outside the first surface of the shell so as to be provided for an USB plug to plug in; wherein the first included angle is not equal to 90 degrees, and the USB plug is arranged to plug into the USB jack in a plug-in direction that forms a second included angle with respect to the planar surface while allowing the second included angle to be not equal to 90 degrees.

Abstract: An antenna device is provided. The antenna device includes a circuit board including a first side configured with a transmission unit, and a second side opposite to the first side; a main radiator disposed at the first side, electrically connected to the transmission unit, and having a major axis direction; a first parasitical radiator adjacent to the main radiator, and coaxially disposed in the major axis direction at the first side; and a second parasitical radiator coaxially disposed in the major axis direction at the second side.

Abstract: A three-dimensional dual-band antenna including a first radiation portion, a second radiation portion, a connection portion, an impedance matching portion and a feeding portion is provided. The second radiation portion is located under the radiation portion and parallel with the first radiation portion. The connection portion is connected to the first side of the first radiation portion and extended downward vertically, for connecting the first radiation portion and the second radiation portion. The impedance matching portion is connected to a second side of the first radiation portion and extended downward vertically. The first side and the second side are opposite. The feeding portion is connected to the second side and extended downward vertically. The feeding portion receives a feeding signal. The first and the second radiation portion are operated at the first and the second bandwidth respectively, wherein the second bandwidth is in higher frequency than the first bandwidth.

Abstract: A solid dual-band antenna device is provided. The solid dual-band antenna device includes a Z-shape antenna structure comprising a first turn having a first turning angle, and connected to a ground portion and a first radiating portion; and a second turn having a second turning angle, and connected to the first radiating portion and a second radiating portion; a feeding portion disposed at the second turn for feeding a signal; an extending ground portion non-coplanarly extended from an outer side of the ground portion; and an extending radiating portion non-coplanarly extended from an outer side of the second radiating portion, wherein a first slot is disposed at an arbitrary position of the second radiating portion, and a length of the first radiating portion is different from a length of the second radiating portion.

Abstract: A broadband planar inverted-F antenna includes a first radiation conductor, a second radiation conductor and a third radiation conductor. The first radiation conductor includes a first inclined-plane portion and a feeding point. The feeding point is located at one end of the first inclined-plane portion. The second radiation conductor is connected to the first radiation conductor at the feeding point. The third radiation conductor is connected to the first radiation conductor, and includes a second inclined-plane portion and a ground point. The second inclined-plane portion is separated from and facing to the first inclined-plane portion. The ground point is located at one end of the second inclined-plane portion and facing to the feeding point, wherein the distance between the first inclined-plane portion and the second inclined-plane portion is gradually increased from the part near the feeding point along a direction departing from the feeding point.