Abstract: Disclosed is an antenna device arranged inside a display module of an electronic device with a conductive portion. The antenna device includes an antenna element with a ground plane and a signal feeding end for transceiving a wireless signal, an antenna signal feeding line coupled to the signal feeding end of the antenna element for feeding the wireless signal transceived by the antenna element. At least one mounting element for fixing the antenna element onto the casing and forcing the ground plane of the antenna electrically contacting with the conductive portion of the casing, so that the conductive porting serves as an extended ground for the ground plane of the antenna element.

Abstract: An antenna structure for a notebook with four radiation members, the antenna structure has an elongate supporting rack having thereon a first radiation member, a second radiation member, a third radiation member and a fourth radiation member; each radiation member is planar, and is integrally connected with the supporting rack. Thereby, when the notebook uses a plurality of antennas, the costs of mold developing and time for processing can be reduced, and in designing, the space of the antenna will not waste by having the structure, and a better effect in function can be obtained.

Abstract: The subject is to provide an information processing apparatus serving as a wearable device, which makes it possible not only to reduce the divergence of data toward the peripheral spaces, but also to eliminate the electrode to be contacted to the surface of the living body when wearing it, and further, which is superior in the transmitting efficiency.

Abstract: The invention concerns a method for making smart cards capable of operating with or without contact called mixed cards and contactless smart cards. In order to avoid the risk of deteriorating the antenna the method consists in producing an antenna comprising at least two turns, on a support sheet, said antenna having its turns located outside the connecting pads, and in providing an insulating bridge so as to connect each of the antenna ends to a connection pad respectively.

Abstract: An antenna according to the present invention comprises: a plurality of parallel disposed linear conductors; two insulating films between which the plurality of linear conductors are sandwiched; at least one cut portion formed in at least one of the plurality of linear conductors; and a feed point connected to at least one of the plurality of linear conductors. With this configuration, the segment of the linear conductor connected to the feed point provides a driven element, while the other end of the linear conductor opposite to the feed point connected end is electrically open so that the segment of the linear conductor extending beyond the cut portion provides a parasitic element.

Abstract: An extremely miniaturized digital TV signal reception antenna built in a mobile device includes a substrate, an antenna unit and a switch unit. The substrate is provided with a plate having a grounding metallic surface and a first clearance surface. A second clearance surface is provided on the same side of the grounding metallic surface with a metallic microstrip line for electrically connecting to an output end of the switch unit. Input ends of the switch unit are electrically connected with a plurality of leads of the first clearance surface. The other ends of the plurality of leads are electrically connected with the antenna unit. Finally, when a tuner of a portable digital television switches the channels, signals of the switched channel are simultaneously output to the switch unit. According to the frequency of that channel, the switch unit automatically switches to a suitable range of bandwidth for receiving the digital TV signals, thereby performing the reception of the digital TV signals.

Abstract: An RF feed is provided which is structured as a curved reflector coupled to a sidewall of a waveguide cavity. A radiation source is situated facing the curved reflector. The RF feed may be coupled to a waveguide cavity having radiation elements coupled to top surface thereof, to thereby feed an antenna array. When an antenna array is used, several curved reflector RF feeds may be used, operating in the same or different frequencies.

Abstract: In a high-frequency module, an antenna device is disposed on a first principal surface of a second substrate, a first principal surface of a first substrate and a second principal surface of the second substrate face each other and are connected to each other by conductive connecting members, electronic components including an IC chip are mounted on the first principal surface of the first substrate, ground electrodes are disposed on the first and second substrates, the conductive connecting members are connected to a ground potential, and thus the IC chip is surrounded by the ground electrodes of the first and second substrates and the conductive connecting members.

Abstract: A dual polarized wave-guide notch antenna array is disclosed. The device comprises a feed section having at least two input transmission lines, a feed/wave-guide interface providing an aperture for transferring a radio frequency electromagnetic wave between the feed section and a wave-guide mode in a wave-guide section having ridges. The wave-guide section transfers energy between the feed/wave-guide interface and a tapered notch section, thereby gradually adjusting a created electromagnetic field towards free space conditions.

Abstract: A circularly polarized antenna has a dielectric substrate, a ground conductor piled up on one surface side of the dielectric substrate, a circularly polarized antenna element formed on an opposite surface of the dielectric substrate, a plurality of metal posts whose respective one end sides are connected to the ground conductor and penetrate the dielectric substrate along a thickness direction thereof, and whose respective other sides extend up to the opposite surface of the dielectric substrate, the plurality of metal posts configuring a cavity by being provided at predetermined intervals so as to surround the antenna element, and a conducting rim which short-circuits the respective other end sides of the plurality of metal posts along an array direction thereof, and is provided so as to extend by a predetermined distance in a direction of the antenna element at the side of the opposite surface of the dielectric substrate.

Abstract: A low-visibility, fixed-tune, wideband, and field-diverse antenna provides cross-polarized fields enhancing signal communications but having helical antenna characteristics without severe circular polarization radiation thereby promoting a modern, futuristic, and disguised look for reliable communications. A generally flat, but helical, antenna is achieved in conjunction with a core substrate about which the antenna is wrapped, wound, or fixed. The core substrate, pitch or angle of the helix, length of the transmitting antenna, and copper traces thickness are chosen for a specific resonant frequency range. The length and width of the helix are chosen in order to dimension the helical antenna between its linear and circular polarization modes to thereby deliver field-diverse and cross-polarized transmission modes. In order to optimize the manufacturing process, holes may be created within the substrate.

Abstract: A cladding plate (2) for a microwave antenna has a thickness which increases with the distance r from a point of minimum thickness (11) proportional to Formula (I) wherein ?R is the dielectric constant of the material of the cladding plate and a is a positive constant.

Abstract: There is provided a method for designing a corrugated Fermi antenna having a broad-band and circular directivity required for receiving an image by using a wave of millimeter order. As a first step, an inflection point of the Fermi-Dirac function as a taper function of the Fermi antenna is changed so as to set the beam width of plane H to a beam width having a target directivity. After the beam width of the plane H is set to the target value, the aperture width of the Fermi antenna is changed so as to set the beam width of the plane E to a beam width having a target directivity. Thus, by adjusting the beam width values of the planes H and E independently from each other and matching them with the target values, it is possible to design a Fermi-antenna having a broad-band and circular directivity in a short time.

Abstract: An antenna includes inductance elements that are magnetically coupled together, an LC series resonant circuit that includes one of the inductance elements capacitance elements, and an LC series resonant circuit that includes another of the inductance elements and capacitance elements. The plurality of LC series resonant circuits are used to radiate radio waves and are used as inductances of a matching circuit that matches an impedance when a power supply side is viewed from power supply terminals and a radiation impedance of free space.

Abstract: A feed assembly (26) for an antenna system (38) includes a first feed element (30) that propagates a first beam (32) and a second feed element (34) that propagates a second beam (36). The second feed element (34) is collocated with, but displaced vertically from, the first feed element (30) to achieve angular diversity in elevation. Each of the feed elements (30, 34) has an elongated conical shape and is formed from a dielectric material. The feed assembly (26) operates within the Ku-band frequency range to yield high gain, collimated, independent first and second beams (32, 36). The feed assembly (26) can be implemented in a tropospheric scatter communication system (38) in conjunction with a reflector (22) to provide concurrent transmit and receive capability via the two independent, angularly separated first and second beams (32, 36).

Abstract: The vehicle antenna includes a frame made of conductive material and surrounding sides of a display section of a monitor display device mounted on a vehicle, and a radiation element attached to the frame. The frame serves as a ground plane of the vehicle antenna. The radiation element is situated in such a position that the radiation element is covered by a front panel escutcheon of the monitor display device.

Abstract: Antennas are provided for portable electronic devices. A portable electronic device may have a port that receives a wireless communications adapter. The adapter may be used to provide wireless functionality for the portable electronic device. The adapter may contain a chip antenna that serves as an antenna resonating element. A printed circuit board within the adapter may contain conductor that has been patterned to form a ground plane for the antenna. The portable electronic device may have a conductive structure such as a housing portion. The conductive structure of the portable electronic device serves as a parasitic antenna element that improves antenna efficiency. The portable electronic device may be a handheld electronic device with music player functionality that communicates with a compact portable wireless device in a piece of sports equipment.

Abstract: A loop antenna able to be mounted on the rear window of a vehicle provided with a defogger, that is, a loop antenna to be mounted on a rear window provided with a defogger having electrodes arranged in the vertical direction at the two ends and a plurality of electrical heating wires bridging the electrodes in the horizontal direction, wherein an antenna element forming a loop is made polygonal in shape, two power feed terminals of the loop antenna are provided at positions a predetermined distance away from the midpoint of the bottom of the antenna element, constituted by one side, in the vertical direction, a distance between the power feed terminals and bottom is formed smaller than the distance between adjoining electrical heating wires of the defogger, and the loop antenna is mounted on the rear window between the adjoining electrical heating wires. The polygonal shape may be a triangular shape.

Abstract: An antenna feeding network including at least one antenna feeding line, each antenna feeding line including a coaxial line having a central inner conductor and a surrounding outer conductor. The outer conductor (4) is made of an elongated tubular compartment (5) having an elongated opening (6) along one side of the compartment (5), and that the inner conductor (3) is suspended within the tubular compartment (5) by dielectric support elements (7).

Abstract: A tunable antenna comprises a conductor, a shunt inductance tuning element, a switch that controls the shunt inductance tuning element and the conductor, and a local ground connected to the shunt inductance tuning element. The switch is capable of activating the shunt inductance tuning element to change a frequency and bandwidth of the tunable antenna.