Communications: radio wave antennas inventions 12/05

20050285794 - Apparatus of antenna with heat slug and its fabricating process: An apparatus of antenna with heat slug and its fabricating process are provided, in which the antenna with heat slug can be realized with a single sheet or double sheets of metal. Each single sheet of metal can be achieved by simply cutting and bending a metal plate. Thereby, it...

20050285795 - Broadside high-directivity microstrip patch antennas: High-directivity microstrip antennas comprising a driven patch and at least one parasitic element placed on the same plane, operate at a frequency larger than the fundamental mode of the driven patch in order to obtain a resonant frequency with a high-directivity broadside radiation pattern. The driven patch, the parasitic elements...

20050285803 - Access point operating with a smart antenna in a wlan and associated methods: An access point operates in an 802.11 wireless communication network communicating with a client station, and includes a smart antenna for generating directional antenna beams and an omni-directional antenna beam. An antenna steering algorithm scans the directional antenna beams and the omni-directional antenna beam for receiving signals from the client...

20050285797 - Antenna arrangement and method for making the same: An inverted-F antenna arrangement comprising a dielectric element structure, a radiating element on the dielectric element, the radiating element having a first end and a second end, a planar ground element, the dielectric element separating the radiating element and the planar ground element, a ground connection element on the dielectric...

20050285800 - Antennae attachable to an electronic device enclosure or other structure: Attachable/detachable antennae for use with electronic systems....

20050285798 - Built-in whip antenna for a portable radio device: An antenna assembly for a portable radio device/mobile station is provided. The assembly includes a retractable whip antenna 24, a first radio lead 50 for coupling the whip antenna to a mobile telephony receiver, and a second radio lead 48 for coupling the whip antenna 24 to a FM or...

20050285801 - Deployable antennae in a removable card: Removable cards having deployable antennae....

20050285802 - Dual-band antenna: A dual-band antenna includes a ground point, a feeding element, a first radiation element, a second radiation element, and an impedance element. The ground point is electronically connected to the first radiation element and the second radiation element. The first radiation element is electronically connected to the feeding element via...

20050285799 - Headset loop antenna: A headset has a first and an optional second earpiece 12, 16 respectively coupled to a plug 30 via first and an optional second conductors 14, 20, 18, 22. An antenna loop section 36 has a first loop section 31 at least partially bound to a portion of the first...

20050285796 - Notebook computer equipped with a printed circuit antenna: A notebook computer equipped with a printed circuit antenna includes a host and a display device pivotally coupled with each other. The display device includes a casing for housing a display screen on a front side thereof and at least one printed circuit antenna. The printed circuit antenna partly masks...

20050285804 - Portable information terminal with communication capabilities: A portable information terminal with communication capabilities according to the present invention comprises a conductive housing, a display, and a planar antenna. The display is attached to the inside of the housing. The planar antenna is attached to the outside of the housing....

20050285805 - Antenna device: An antenna device is provided in which a common mode current does not flow in a coaxial cable. The coaxial cable is uprighted at the end of the base plate and bent toward the notched portion of the cover so that the connector reaches to the notched portion. A short-circuit...

20050285806 - Wiring structure of vehicle-mounted antenna system: A glass plate is formed with a radiating conductor. An electronic circuit unit includes a base plate soldered to the radiating conductor to be fixed to the glass plate, a frame fixed to the base plate with screws for accommodating the circuit board, and a cover crowned on the frame....

20050285807 - Rf communication device and method of using it and antenna construction for use in the device and method: A device comprising a RF transmitter, a casing for the RF transmitter and, connected to and extending from the RF transmitter, an antenna for radiating RF signals produced by the RF transmitter, the antenna comprising an elongated member having a first portion and a second portion each of which comprises...

20050285808 - Electrically controlled broadband group antenna, antenna element suitable for incorporation in such a group antenna, and antenna module comprising several antenna elements: An electrically controlled group antenna including an antenna element suitable for incorporation in such a group antenna and an antenna module including several such antenna elements. The antenna elements include a rotationally-symmetrical body tapering towards one end of the body. The rotationally-symmetrical body is provided with a metallic casing surface....

20050285809 - Dual-band antenna with twin port: The invention proposes an antenna operating in two frequency bands and having two separate ports. The invention is a printed antenna with slot produced on a ground plane. Said antenna consisting of a slot 1, said antenna having a first port produced by a first microstrip line 2, the coupling...

20050285810 - Directional dual frequency antenna arrangement: Using two simple antennas with different frequencies of operation combined into an antenna arrangement a directional radiation pattern is obtained for both frequencies of operation. This is achieved by placing the antennas such that the first antenna acts as a director for the second antenna at the frequency of operation...

20050280579 - Antenna and antenna array: The present invention discloses an antenna comprising a substrate, a first dual-frequency antenna, a second dual-frequency antenna, a first frequency select switch, a second frequency select switch and a feed end, wherein the first and the second dual-frequency antennas are disposed on the substrate, and the first frequency select switch...

20050280582 - Differential and single ended elliptical antennas: An antenna element includes a radiating antenna element having an elliptical shape disposed on a first surface of a substrate. A dielectric clearance region having an elliptical shape is disposed about the radiating antenna element to space the radiating antenna element from a ground plane. The clearance region is shaped...

20050280580 - Ultra wide band planar monopole trapezoidal antenna: An ultra wide band planar monopole trapezoidal antenna is provided. The antenna includes a radiation element and a transmission element. Both the radiation element and the transmission element are formed on a printed circuit board. The transmission element is connected to the radiation element. The radiation element is made of...

20050280581 - Ultra-low profile vehicular antenna methods and systems: A method and system of providing an antenna for a communication system is provided that has a LNA mounted above the modular patch antenna. The resulting SDARS antenna has an ultra-low profile providing a more acceptable size for the user while maintaining the antenna gain requirements....

20050280588 - Antenna: On the top surface of conductive ground plate, first holder having first antenna element, second holder having second antenna element, and support having parasitic antenna element are provided such that holders and support confront each other. Respective intermediate sections of antenna elements are folded to shape like “square C” in...

20050280583 - Antenna for television phone: An improved antenna for a television phone which is capable of enhancing a signal receiving degree of a television broadcasting signal, even when a television phone is stopped or is being moved, by extending a length of an antenna by forming a rod antenna in multiple stages. The rod antenna...

20050280585 - Antenna having an antenna to radome relation which minimizes user loading effect: An antenna is provided, which is located within an enclosure. The antenna includes one or more arms, where each arm has an electrical length corresponding to an intended frequency band of transmission, and along said length of the arm a source of external loading will have a variable effect. The...

20050280584 - Bowtie monopole antenna and communication device using same: A bowtie monopole antenna is fabricated of a sheet metal radiating body 102 that is triangular shaped, and having a longitudinal dimension and axis (106) and a width (108). One corner of the radiating body is tapered to form a feed point (104). The length dimension determines the antenna's lowest...

20050280587 - Electrically small wideband antenna: An antenna (100) comprises an input port (109, 213) for feeding an electrical signal, a radiating element (220) coupled to the input port that radiates energy of the electrical signal, a second port (110, 211) coupled to the radiating element, a ground structure (214) coupled to the radiating element and...

20050280589 - Low profile smart antenna for wireless applications and associated methods: A low profile smart antenna includes an active antenna element carried by a dielectric substrate, and active antenna element has a T-shape. Passive antenna elements are carried by the dielectric substrate, and they have an inverted L-shaped portion laterally adjacent the active antenna element. Impedance elements are selectively connectable to...

20050280586 - Multi-frequency conductive-strip antenna system: To address the above-mentioned need an antenna (100) is provided having a conductive-strip radiating element (102) supported above a substrate (206) via three legs (201-203). The point where the substrate contacts the three legs form two antenna ports and a ground utilized for feeding the RF signal, tuning the antenna,...

20050280591 - Antenna efficiency test device: The present invention provides, an antenna test device to test antenna efficiency. The test device includes a cavity formed by at least one conductive sidewall. The cavity contains at least one tuning probe, at least one movable portion, or a combination thereof. The tuning probes and/or movable portion help inhibit...

20050280590 - Method and apparatus to control an antenna efficiency test device: The present invention provides a method to measure antenna efficiency using the cavity method. In particular, the present invention provides a tunable cavity that can be tuned to avoid the anti resonance and antenna-cavity coupling problems. In particular, tuning probes and/or variable volumetric sizing of the cavity are used to...

20050280592 - Patch antenna with parasitically enhanced perimeter: An antenna unit is disclosed. The antenna unit includes a patch antenna element with a dielectric substrate positioned on a circuit board. A parasitically enhanced perimeter extends from the circuit board and encompasses the patch antenna to utilize surface waves in order to enhance low-elevation terrestrial antenna performance....

20050280593 - Satellite tracking antenna and method using rotation of a subreflector: Disclosed is a satellite tracking antenna applied to a satellite tracking antenna system mounted on a vehicle and method using rotation of a subreflector. The antenna includes a reflector controlled to be oriented toward a target satellite, a subreflector for reflecting a signal reflected from the reflector to an entrance...

20050280594 - Antenna rotor system: An antenna rotor system with a single cable including an antenna, a rotor unit and a control unit is disclosed. The antenna is mounted on the rotor unit for receiving radio signals to pass to the rotor unit. The control unit provides control signals and electrical power to control and...

20050280595 - Short resonant ridge waveguide load under radiation slot: A short ridge waveguide load is described which absorbs and cancels non-radiated electromagnetic energy in continuous slot or discrete slotted antennas. The load achieves a small physical size by using a resonant structure which includes an absorbing ferrite front section positioned within the interior of the waveguide antenna below the...

20050280596 - Antenna for a wireless network: A data access system includes a plurality of access points and an antenna corresponding to one of the access points. The antenna includes a planar monopole, a vertical ground plane and a top horizontal ground plane. In one aspect, the top horizontal ground plane outwardly extends over the planar monopole...

20050280597 - Antenna module: An antenna module having at least one reception antenna for converting electromagnetic waves to electrical signals, at least one transmission antenna for converting electrical signals to electromagnetic waves, at least one first coil for adjusting the electrical signals received through the reception antenna, at least one second coil for adjusting...

20050280598 - Compact radio frequency transmitting and receiving antenna and control device employing same: A compact antenna for use in a device for controlling the power delivered to an electric load and operable to transmit or receive radio frequency signals at a specified frequency is presented. The antenna comprises a first loop of conductive material having a capacitance and an inductance forming a circuit...

20050280599 - Circularly polarized wire antenna: The invention concerns a microstrip antenna comprising a series of wires (210, 220, 230, 240) located substantially in a main common plane, each of the wires being fed by a common conductor wire (100), characterized in that each of said wires (210, 220, 230, 240) describes an initial segment (312)...

20050280600 - Card system: A card system according to the present invention comprises a card connector 10, which is provided in an electronic device, a wireless communication card 20, which is inserted removably into the card connector 10, and an antenna unit, which is provided in the electronic device and connected electrically to the...

20050275591 - Grounded antenna for a wireless communication device and method: A wireless communication device includes an antenna for wireless communication with a remote interrogator. Several embodiments are disclosed to increase the options available to designers of wireless communication devices. In some embodiments, the antenna is a quarter wavelength long with one end of the antenna being grounded to provide desired...

20050275590 - Microstrip stack patch antenna using multilayered metallic disk array and planar array antenna using the same: Provided are a microstrip stack patch antenna using multilayered metallic disk array and a planar array antenna using the same. The microstrip stack patch antenna of the present research concentrates beam patterns and acquires a high gain characteristic by finitely depositing metallic disks in a bore-sight on a conventional microstrip...

20050275592 - Multiple-frequency antenna structure: A multiple-frequency antenna includes a circuit board of dielectric material having a first surface and a second surface which is spaced apart from and is substantially parallel to the first surface, a ground plane layer of electrically conductive material covering a portion of the first surface of the circuit board,...

20050275589 - Thermal management system and method for thin membrane type antennas: According to an embodiment of the present invention, a thermal management system for electronic components includes a plurality of spacers disposed between a first flexible substrate and a second flexible substrate to form a plurality of heat transfer regions each having a plurality of capillary pumping regions, a two-phase fluid...

20050275596 - Antenna device and portable radio terminal: An antenna device capable of being applied to a portable radio terminal and showing a good antenna characteristic regardless of the direction, and a portable radio terminal provided with the antenna device. The antenna device applied to a portable radio terminal whose housing length is equal to or more than...

20050275593 - Method and device for loading planar antennas: In an RF antenna having a planar radiating element disposed adjacent to a ground plane, one or more metasolenoids are disposed between the radiating element and the ground plane. As such, the magnetic flux through the metasolenoids interacts with the radiating element and the ground plane, widening the bandwidth of...

20050275594 - Multiple band antenna and antenna assembly: Multiple band antenna for mounting to a portable device. The antenna comprises a piece of conductive metal including a half-bowtie portion shaped to define a monopole and folded to provide a plurality of planar surfaces together generally enclosing a volume. A flexible spring contact extends from the half-bowtie portion. The...

20050275595 - Planar broadband inverted f-type antenna and information terminal: A planar broadband inverted F-type antenna has a pattern formed by etching a conductive foil laminated on the obverse side and the reverse side of the PET film 113. The antenna is applicable to the 5.0 GHz frequency band. The ground 107, the antenna element 101, and the connection element...

20050275598 - Antenna system: A compact and low-lying antenna system for receiving a radio wave includes a ground plate, a first crooked monopole antenna having a horizontal portion extending in parallel with the ground plate and a vertical portion extending vertically to the ground plate in such that the length of the horizontal portion...

20050275597 - Self-correcting mobile antenna control system and method: A self-correcting mobile antenna control system and method. A method is provided for controlling the direction of an antenna mounted on a vehicle. The method includes determining a position decision based on a direction change signal output from a direction sensor, determining an energy decision based on a signal strength...

20050275599 - Antenna having reflector panel: An antenna includes a reflector panel having an inner concave surface and an outer convex surface, a circuit board having two antenna members directed toward different directions and having a terminal coupled to a cable device. The circuit board is received in the concave surface of the reflector panel, and...

20050275600 - Embedded antenna connection method and system: A technique is provided for interconnecting an embedded antenna with external circuitry. The antenna may be formed on an intermediate layer of a layered structure, such as a laminate. The interconnection may be made by providing an aperture through the laminate structure and a terminal pad of the antenna, and...

20050275601 - Quadrifilar helix antenna: A quadrifilar helix antenna (1) comprising a first and a second set of helical antenna elements (2a-5a, 2b-5b) symmetrically arranged around a longitudinal axis extending through the axial center of the antenna (1). The antenna (1) is excited from feeding points (2c-5c) in a local ground plane at the bottom...

20050270237 - Antenna and portable wireless device: A planar inverted-F antenna has a ground plate provided on a circuit board, a planar radiator, a short line, a feed line, and an inductance element. The radiator is disposed facing the ground plate. The short line and the feed line are connected to the radiator. The inductance element is...

20050270239 - Automatic antenna for portable electronic device: An automatic antenna (100) for a portable electronic device includes a shaft (20), a hollow securing element (30), a sliding element (50) having a plurality of sliding arms (54) symmetrically disposed on an outer wall thereof, a hollow rotating element (60), a housing (80), and a spring (70) disposed between...

20050270245 - Coaxial cable antenna for communication with implanted medical devices: In general, the invention is directed to a coaxial cable antenna for use in an external device, such as a programmer or monitor, to enhance communication between the external device and an implanted medical device (IMD). The coaxial cable antenna provides the external device with polarization diversity. For example, the...

20050270244 - Display housing for computing device: An improved housing for a computing device is disclosed. The improved housing can have one or more of the following aspects. A first aspect of the invention pertains to a computer housing having a logo or other symbol that can be illuminated using light from the backside of a display...

20050270246 - Information handling system including passive rf tuning carrier for wireless modules: An antenna assembly includes a antenna carrier that includes an antenna module receiving region. The antenna module includes an antenna and a radio frequency transceiver coupled to the antenna. The antenna carrier includes a passive tuning element situated adjacent to the module receiving region, the element exhibiting a length selected...

20050270243 - Meanderline coupled quadband antenna for wireless handsets: An antenna operative in a plurality of frequency bands. The antenna comprises first and second high band resonators, a resonating meanderline and a counterpoise. A ground return conductively couples one or more regions of the counterpoise to the meanderline. One or more of the first resonating element, the second resonating...

20050270240 - Mobile wireless communications device comprising a top-mounted auxiliary input/output device and a bottom-mounted antenna: A mobile wireless communications device may include a housing having an upper portion and a lower portion, a dielectric substrate carried by the housing, circuitry carried by the dielectric substrate, and an audio output transducer carried by the upper portion of the housing and connected to the circuitry. The device...

20050270241 - Mobile wireless communications device comprising multi-frequency band antenna and related methods: A mobile wireless communications device may include a housing and a multi-frequency band antenna carried within the housing. The multi-frequency band antenna may include a main loop conductor having a gap therein defining first and second ends of the main loop conductor, a first branch conductor having a first end...

20050270242 - Mobile wireless communications device comprising non-planar internal antenna without ground plane overlap: A mobile wireless communications device may include a housing, a main dielectric substrate carried by the housing, circuitry carried by the main dielectric substrate, and a ground plane conductor on the main dielectric substrate. The mobile wireless communications device may further include an L-shaped dielectric extension comprising a vertical portion...

20050270238 - Tri-band antenna for digital multimedia broadcast (dmb) applications: A radio frequency transmitting and receiving apparatus comprising an antenna further comprising a plurality of antenna segments. Each segment exhibits a different electrical length and certain of the segments are capacitively coupled to establish a resonant frequency for each segment. In one embodiment, the certain segments comprise a plurality of...

20050270247 - Antenna device and transmitting/receiving device: An antenna apparatus includes two circular waveguides including a fixed-side circular waveguide and a rotation-side circular waveguide, each having a propagation mode in a TM01 mode, and being arranged coaxially with each other while a waveguide-side choke is provided between the two waveguides. A rectangular waveguide is connected to the...

20050270249 - Antenna coil: An antenna coil has a simple structure and a high sensitivity and can be thinner. The antenna coil includes an X Y coil unit having an X axis coil and a Y axis coil wound around a core, a Z axis coil wound around the X Y coil unit, and...

20050270248 - Micro-helix antenna and methods for making same: A micro-helix antenna. The antenna comprises a helically-shaped conductive element disposed on a dielectric core. The diameter of the helix formed by the conductive element is very small relative to the wavelength of the antenna, preferably no more than about 1/100th of the wavelength. Having such a small diameter, this...

20050270250 - Lightweight active phased array antenna: A lightweight active phased array antenna including modular active electronics assemblies and passive radiating element aperture panels that are integrated into a lightweight support structure of a minimum depth which provides a cooling system for the electronics assemblies. The electronics assemblies and aperture panels are fully accessible from one or...

20050264452 - Antenna and method of making the same: An antenna according to the present invention includes a dielectric layer 102 with an upper surface and a lower surface, a signal line strip 101 provided on the upper surface of the dielectric layer 102, and a grounding conductor portion 104 provided on the lower surface of the dielectric layer...

20050264449 - Dielectric-resonator array antenna system: A dielectric resonator element array (DRA) antenna system that is small, compact, has high gain in the direction of intended communication, minimized interference in unintended directions of communication and a wide bandwidth. The antenna system comprises a ground plane, a feed structure, a beam shaping and steering controller, a mounting...

20050264450 - Microstrip line type planar array antenna: A planar array antenna comprises a powered antenna element and an adjacent passive element which are microstrip-line type ones and disposed on one principal surface of a dielectric substrate; and a feeding system for feeding high frequency power to the powered antenna element. The powered antenna element and a passive...

20050264451 - Planar array antenna: A planar array antenna using a multi-layer substrate having an intermediate layer conductor in a laminated face comprises: four pieces of planar antenna elements disposed at each of geometrically square shaped apexes; first and second slot lines formed in the intermediate layer conductor, and intersecting each other; first to fourth...

20050264448 - Radiator structures: A foldable radiator assembly includes a flexible dielectric substrate structure having a radiator conductor pattern formed therein. The flexible substrate structure can be flexible for movement between a folded position and a deployed position, or can be fixed in position by dielectric structures. An excitation circuit excites the radiator conductor...

20050264453 - Space-filling miniature antennas: A novel geometry, the geometry of Space-Filling Curves (SFC) is defined in the present invention and it is used to shape a part of an antenna. By means of this novel technique, the size of the antenna can be reduced with respect to prior art, or alternatively, given a fixed...

20050264447 - Structure for inverted f plane antenna: The present invention is related to a structure for inverted F plane antenna, which is on a surface of a PCB by way of etching. The antenna comprises a pair of parallel sections constructed by a first parallel section, a second parallel section and a vertical section perpendicular to the...

20050264454 - Antenna-coupled microbolometer: An antenna-coupled microbolometer multilayer structure, and associated method of forming an antenna-coupled microbolometer multilayer structure are disclosed, where the structure includes a dielectric layer of dielectric material having at least one locally doped region doped with a dopant to provide a thermal conductive path from a first side to a...

20050264455 - Actively tunable planar antenna: This invention relates to an actively tunable patch antenna comprising a ground plane, a planar radiator, a feed point, a grounding line and first and second antenna branches separated from each other by a groove, the patch antenna further comprising one or more additional grounding points between the planar radiator...

20050264457 - Antenna apparatus for sliding-type portable terminal: Disclosed is an antenna apparatus for a sliding-type portable terminal having a first housing and a second housing adapted to slide along the longitudinal direction of the first housing including an external antenna having a stationary antenna portion extending along the longitudinal direction and having an end fixed on the...

20050264458 - Antenna device, and method of manufacturing the same antenna device: An antenna device includes an electrically insulating base section and a metallic first antenna element fixed to the base section. The first antenna element includes an adjusting section shaped like a ladder or a lattice, which is formed of rails confronting each other and connecting bars which couple a part...

20050264456 - Dual-band inverted-f antenna: A dual-band inverted-F antenna includes a ground substrate, a radiating body, a first ground part, a second ground part and a feed point. The ground substrate has a ground surface. The radiating body at least has a first side, a second side, a third side, and a split. The first...

20050264459 - Electronic equipment shock isolation/protection bumper, with integrated antenna: An antenna for wireless communication is integrated into an external member, for example, a molded bumper, on handheld or other portable electronic equipment. The external member is attached to an external surface of electronic equipment, providing shock isolation and protection for the equipment and the antenna. A method of mounting...

20050264460 - Mobile communication terminal: A mobile communication terminal includes two housings and a hinge portion for movably coupling the housings together. The terminal further includes: a non-contact communication portion for conducting close range wireless communication; an operation portion; and a display portion. The non-contact communication has a loop-like antenna disposed in one of the...

20050264461 - Mobile antenna mounted on a vehicle body: In a mobile antenna, an electrically conductive antenna element has a first portion with one end and the other end extending therefrom. The one end of the first portion is arranged at least adjacent to any one of a roof portion, a pillar portion, and a corner portion of a...

20050264462 - Antenna device: A disclosed antenna device includes a ground plate, a feeding unit that extends from the ground plate at a predetermined angle for a predetermined length, the feeding unit being prepared perpendicular to the ground plate, and a non-conductive section formed in the ground plate. The shape of the non-conductive section...

20050264463 - Stationary mobile radio antenna: the at least one beamforming element (25) that is provided is subdivided into at least two sections, specifically a mounting section (25a) and an operating section (25b), which is connected to the area of the mounting section (25a) located further away from the reflector (1)....

20050264464 - Universal dipole: Described is a universal dipole which may include a feed line coupled to a first fitting; a balun coupled to a second fitting; a first variable length antenna element coupled to the first fitting; a second variable length antenna element coupled to the second fitting; a support plate holding the...

20050264465 - Antenna ground system: An antenna system includes an electrical grounding system for a low power radio transmitter of a traveler's information station. The antenna system includes an elongated metal tube having a lower portion configured to be received in the ground and an upper portion adapted to support an antenna above ground. The...

20050264466 - Matching unit and receiver apparatus using the same: A matching device causes an antenna to match a receiving section arranged to receive a signal in a first frequency band and a signal in a second frequency band lower than the first frequency band. The matching device includes a first terminal arranged to be connected to the antenna, a...

20050264467 - Orientation adjusting apparatus for a satellite antenna set with fine tuning units: An orientation adjusting apparatus includes a support base plate set rotatable relative to a mast about a first vertical axis. An azimuth bracket is rotatable relative to the top plate of support base plate set about a second vertical axis. An elevation bracket is rotatable relative to an elevation fine...

20050264469 - Antenna coupler: What is described is an antenna coupler for testing wireless devices, said coupler comprising an accommodating element for holding the wireless device as well as, underlying said accommodating element, a dual-arm, planar spiral antenna for wireless communication with the wireless device....

20050264468 - Quadrifilar helical antenna: An antenna having a plurality of elongated conductors is disclosed. The elongated conductors have a substantially straight portion and a substantially helical portion....