Communications: radio wave antennas inventions 11/05

20050259008 - Broadband array antennas using complementary antenna: A wide band antenna array comprising patch elements and a ground plane, in which the array constitutes an infinite self-complimentary structure providing large bandwidth and utilizes dielectric slabs above the antenna elements. The dielectric slabs will match the impedance of the antenna elements to free space....

20050259009 - Multilevel antennae: Antennae in which the corresponding radiative element contains at least one multilevel structure formed by a set of similar geometric elements (polygons or polyhedrons) electromagnetically coupled and grouped such that in the structure of the antenna can be identified each of the basic component elements. The design is such that...

20050259007 - Surface-mounted antenna and portable wireless device incorporating the same: A ground electrode is provided on a first surface of a dielectric body. A radiation electrode has a first end which is left open and a second end which is connected to the ground electrode. A feeding terminal is provided on the first surface. A feeding electrode has a first...

20050259014 - Antenna coupling structure for a mobile terminal: An apparatus is disclosed for a mobile terminal comprising an antenna, a printed circuit board installed in a terminal body and an antenna receiving portion formed on one side of the terminal body for mounting the antenna. The antenna is slidably-inserted in the antenna receiving portion to elastically and electrically...

20050259010 - Antenna element and mobile telephone device: A monopole antenna and a plurality of linear antennas each having its own predetermined electrical length are connected with a plate antenna, which is connected with a grounding plate via a single feeding point thereof, in such a way that they are connected in series to the feeding point, thereby,...

20050259012 - Chip antenna for terrestrial dmb: Disclosed herein is a chip antenna for terrestrial DMB. The chip antenna comprises a dielectric block, a main antenna device formed with conductive patterns in the dielectric block such that a plurality of unit lamination structures of the conductive patterns having a meander line structure in the direction of the...

20050259015 - Electronic equipment: The electronic equipment according to the present invention is adapted to be operated by an operator in facing positional relationship therewith. This electronic equipment includes a housing accommodating an electronic circuit for operation and a high-frequency circuit for wireless communication related to the operation, and a dielectric antenna connected to...

20050259011 - Multi-band antenna systems including a plurality of separate low-band frequency antennas, wireless terminals and radiotelephones incorporating the same: A multi-band antenna system for a wireless terminal can include a first low-band antenna that configured to resonate in response to first electromagnetic radiation in a low-band frequency range in an active state and a second antenna, that is separate from the first low-band antenna, and is configured to resonate...

20050259013 - Multiband antenna for handheld terminal: The present invention relates generally to a new family of antennas with a multiband behaviour and a reduced size. The general configuration of the antenna consists of a multilevel structure which provides the multiband behaviour, combined with a multilevel and/or space-filling ground-plane. The multilevel structure consists of two arms of...

20050259016 - Directional patch antenna: An antenna unit is disclosed. The antenna unit includes a wire antenna element and a patch antenna element. The wire antenna element creates a null at low-elevation angles to provide directional antenna patterns in azimuth planes. Nulls of the terrestrial signal pattern are directed toward the passenger compartment of a...

20050259017 - Dual band loop antenna: An antenna assembly is disclosed. The antenna assembly includes a dual band vertical loop wire antenna extending from a printed circuit board positioned over a ground plane, wherein the wire antenna includes: at least one coiled section, at least one straight wire section, and at least one feeding post section....

20050259018 - Stripline fed stub-loop doublet antenna system and method: A stub-loop based antenna doublet array having an offset feed and adjustably positioned stub-loops is provided that enables improved isolation of the horizontal versus vertical polarization characteristics from the impedance. Consequently, conventional VSWR adjustments or tuning can be accomplished without significantly impacting the polarization ratios or pattern....

20050259019 - Radial constrained lens: The invention provides apparatuses for a radial constrained lens in a steerable directional antenna system. The radial constrained lens includes a feed array that excites a continuous radiating aperture through a section of radial waveguide. Feed elements of the feed array are coupled to a feed network that processes a...

20050259020 - Combined electronic and mechanical scanning antenna: Combined electronic/mechanical scanning antenna for fixed installations such as ground-based self-propelled vehicles, automobiles, trucks, etc., ships, satellites, etc., to connect fixed or moving stations. It may be used for radar applications. Compared to the current state-of-the-art, it combines mechanical and electronic scanning devices in a single system. Technical field of...

20050259021 - Mobile antenna system for satellite communications: Antenna assembly for satellite tracking system that includes a plurality of antenna arrangements, each having one or more ports, and all ports connected through transmission lines in a combining/splitting circuit. The antenna arrangements form a spatial element array able to track a satellite in an elevation plane by mechanically dynamically...

20050259022 - Collapsible indoor television antenna assembly: A collapsible indoor television antenna assembly includes a base, a VHF antenna set and a UHF antenna. The base has a top, a top recess and an annular rib with a pivot slot formed on the top of the base to define the top recess. The UHF antenna includes a...

20050259023 - Collapsible indoor television antenna assembly: An indoor television antenna assembly includes a base, a UHF antenna and a VHF antenna. The base has a top, a bottom, an annular groove defined in the top and two elongated straight slots defined in the bottom alongside the base. The UHF antenna is adjustably mounted on the top...

20050259024 - Multi-band antenna with wide bandwidth: A multi-band antenna (100) used in wireless communications includes a first radiating patch (20) arranged in a first plane and extending in a first direction, a second radiating patch (22) arranged in the first plane and extending in a second direction different from the first direction, a grounding portion (1)...

20050259026 - Circular polarity elliptical horn antenna: A relatively low cost, easy to install and aesthetically pleasing digital video broadcast from satellite (DVBS) elliptical horn antenna designed as part of a reflector antenna system to receive satellite television broadcast signals with circular polarity. This type antenna may be implemented with a single antenna feed horn with multiple...

20050259025 - Small wave-guide radiators for closely spaced feeds on multi-beam antennas: A relatively low cost, easy to install and aesthetically pleasing digital video broadcast from satellite (DVBS) elliptical horn antenna designed to receive satellite television broadcast signals with circular polarity. This type antenna may be implemented as a multi-beam, multi-band antenna with closely spaced antenna feed horns operable for simultaneously receiving...

20050259027 - Independently center fed dipole array: A dipole array is provided for use as an Ultra Short Pulse (USP) transmitter or receiver in UWB communications systems, which reduces the output pulse dispersion. Instead of having all the dipole elements serially fed by a transmission line, the feeding in the array is made independently through a central...

20050259028 - Array antenna: Antenna elements are arranged in line on a surface of a substrate at specific intervals along a longitudinal direction of the substrate. A phase-inverting distributor is formed on the surface of the substrate in an area located between two antenna elements which are closest to and located on both sides...

20050259030 - Circularly polarized antenna and rectenna using this antenna: A loop antenna unit (2), a balanced line (3), and two perturbation elements (4) are formed on a dielectric board (1) by using manufacturing methods, such as printing and etching. The loop antenna unit (2) is formed along the circumference of a circle, and is connected to the balanced line...

20050259029 - Omni-directional, orthogonally propagating folded loop antenna system: The present invention relates to an omni-directional, orthogonally propagating, one-quarter wavelength folded loop antenna. The antenna may be embodied in a wire, flat metal stock or printed configuration. The antenna comprises a folded loop antenna comprising an upper and lower horizontal element with a first and a second end and...

20050259031 - Multi-band monopole antenna for a mobile communications device: A multi-band monopole antenna for a mobile communications device includes a common conductor coupled to both a first radiating arm and a second radiating arm. The common conductor includes a feeding port for coupling the antenna to communications circuitry in a mobile communications device. In one embodiment, the first radiating...

20050253756 - Antenna apparatus: Disclosed is a flat-type antenna apparatus which has a radiating conductor and a reference conductor disposed opposite to each other and performs feeding between the radiating conductor and the reference conductor at a position offset from the center of the radiating conductor center. The antenna includes: an insulative material layer...

20050253757 - Microstrip antenna having slot structure: A microstrip antenna having a slot structure is disclosed for providing a sufficient bandwidth so as to meet the antenna requirements. The microstrip antenna is composed of a base board (such as a printed circuit board) and a microstrip patch radiator having the slot structure, wherein the microstrip patch radiator...

20050253761 - Antenna assembly and a wireless telecommunication apparatus using the same: An antenna assembly includes a base board defining a grounding and dielectric domains, a ground metal layer fabricated on the grounding domain, a dielectric medium mounted on the dielectric domain, and having an upper surface and one lateral surface, a first metal strip including a wave-like strip section mounted on...

20050253759 - Inverted-f antenna having reinforced fixing structure: An inverted-F antenna having a reinforced fixing structure is disclosed for benefiting antenna diversity. The inverted-F antenna is composed of a base board (such as a printed circuit board), a radiator and at least one supporting member each having a beveled fixing foot, wherein the shape of the radiator can...

20050253760 - Inverted-f antenna having reinforced fixing structure: An inverted-F antenna having a reinforced fixing structure is disclosed for benefiting antenna diversity. The inverted-F antenna is composed of a base board (such as a printed circuit board), a radiator and at least one supporting member each having a beveled fixing foot, wherein the shape of the radiator can...

20050253758 - Multi-layered multi-band antenna: The present invention provides an multi-layered multi-band antenna used for a communication apparatus for a mobile communication service, comprising: a PCB having power supply and ground portions; an upper plane antenna separated from an upper plane of the PCB, the upper plane antenna consisting of a metal conductor having a...

20050253762 - Mobile electromagnetic compatibility (emc) test laboratory: A laboratory has a mobile housing, a testing apparatus, a shielding unit and a first/second testing set. The housing has a top, an interior space and a shielding baffle formed inside the interior space to divide the interior space into a first room and a second room having a top,...

20050253763 - Novel frequency-agile beam scanning reconfigurable antenna: An antenna comprises an arrangement of electrically conducting segments, the arrangement including intersection points where two or more electrically conducting segments are in electrical communication. Example antennas include a plurality of capacitors located within some or all of the electrically conducting segments. Capacitance values can be determined using an optimization...

20050253764 - Beam steering array antenna method and apparatus: Disclosed is an apparatus which reduces the number of phase shifters required in an antenna array. This is accomplished by supplying standing waves from the phase shifters to each of the radiating elements in a column or row. The standing waves in the rows are orthogonal to the standing waves...

20050253765 - Slot type planar antennas: The present invention relates to a planar antenna comprising a resonating slot 12 dimensioned to operate at a given frequency, the slot being realized on a substrate 10 and supplied by a feed line 13 in a short circuit plane in which it is located. The substrate has a variable...

20050253766 - Microstrip antenna having slot structure: A microstrip antenna having a slot structure is disclosed for providing a sufficient bandwidth so as to meet the antenna requirements. The microstrip antenna is composed of a base board (such as a printed circuit board) and a microstrip patch radiator having the slot structure, wherein the microstrip patch radiator...

20050253767 - Microstrip antenna having slot structure: A microstrip antenna having a slot structure is disclosed for providing a sufficient bandwidth so as to meet the antenna requirements. The microstrip antenna is composed of a base board (such as a printed circuit board) and a microstrip patch radiator having the slot structure, wherein the microstrip patch radiator...

20050253768 - Ultra-wideband v-uhf antenna: A wideband antenna system is capable of radiating or receiving radio-frequency signals in a given frequency band, comprising at least two substantially collinear radiating elements, wherein each element radiates in one frequency band, a first radiating element working in the [Fhinf, Fhsup] frequency band, a second radiating element working in...

20050253769 - Crossed dipole antenna element: A crossed dipole antenna element comprising first and second dipoles, each dipole having a pair of arms, each arm having a first portion extending from a central axis and a second portion extending out of a plane including the first portion and the central axis. In certain embodiments the second...

20050253770 - Line-replaceable transmit/receive unit for multi-band active arrays: A line-replaceable unit for a phased array antenna including a thermally conductive housing having a front face and an opposed rear face, at least one open-ended waveguide extending through the housing from the front face to the rear face, at least one first radiating element including the waveguide and adapted...

20050253771 - Hectometric wave transmission antenna: To avoid searching for a new location for very high hectometric wave antennas, an antenna according to the invention comprises an existing vertical structure having a height of at least approximately ten meters and including at least one electrically conductive element connected to the ground, and an excitation conductor wire...

20050253772 - Method for forming radio frequency antenna: A metalized circuit suitable for application as a radio frequency antenna is produced by forming an antenna coil pattern on a flexible substrate. The antenna coil pattern is formed using a conductive ink which is patterned on the substrate. The conductive ink is cured and an electrical-short layer is formed...

20050248487 - Antenna, dielectric substrate for antenna, radio communication card: An antenna of this invention has a ground pattern and a planar element having a cut-out portion from an edge portion farthest from a feed position toward the ground pattern side, and the ground pattern and the planar element are juxtaposed with each other. By providing the cut-out portion, the...

20050248488 - Planar antenna: An antenna comprising a lamina of conductive material, the antenna being operable in one or more resonant operational modes in which at least one portion of the antenna is associated with an relatively high electromagnetic field and in which at least one other portion of the antenna is associated with...

20050248492 - Antenna device for portable wireless terminal: Disclosed herein is an antenna device for use with a portable wireless terminal having a main body, and a sub-body slidably coupled thereto, with a first antenna mounted in the main body and a second antenna mounted on the sub-body. The second antenna is selectively exposed to the outside as...

20050248490 - Antenna module for an electronic apparatus: A multi-frequency antenna module includes first and second radiating elements disposed on a dielectric substrate and spaced apart from each other. A first conductor sheet of the first radiating element has a first signal-feeding contact and a grounding contact that contact electrically and respectively first and third electrical contacts on...

20050248489 - Multi-band multi-layered chip antenna using double coupling feeding: Disclosed herein is a multi-layered chip antenna using double coupling feeding. The multi-layered chip antenna comprises a first feeding radiation element including a first feeding electrode connected at one side of the first feeding electrode to a feeding line and connected at the other side thereof to a ground surface...

20050248491 - Satellite with electromagnetic control of objects: A satellite comprises a main body and, in orbit, at least one free object floating in space including a portion of the payload transferred from the main body. The free object is restricted to a precise position and attitude relative to the main body. An electromagnetic force and an electromagnetic...

20050248493 - Antenna and method for manufacturing the same: An antenna having: a core material which is formed by laminating a plurality of thin plates made of a magnetic material, both end portions of the core material being widened in a thickness direction; and a coil which is wound around the core material....

20050248495 - Antenna with rotatable reflector: A directional antenna formed by associating a stationary generally omni-directional antenna element with an RF reflector formed from, for example, a folded, parabolic or elliptical RF reflecting surface. Rotating the RF reflector about the stationary antenna element creates a directional characteristic in the resulting antenna over, for example, a 360...

20050248494 - Phase shifting device: This invention relates to a phase shifting device, which generally comprises of rigid chassis, in the form of an aluminium plate, which can form a ground plane for feed lines (12) printed on a printed circuit board (16), which is mounted on the chassis, a rigid RF transparent block, which...

20050248496 - Adjustable antenna mount for a mobile phone cell station: An antenna mount for a mobile phone cell station has a stationary base and a rotating base with an antenna. The rotating base is mounted rotatably on the stationary base. The stationary base has a motor and a horizontal gear set, and the rotating base has a motor and a...

20050248497 - Semi-blind transmit antenna array device using feedback information and method thereof in a mobile communication system: There is provided a transmit antenna array device with at least two antennas and a method thereof in which a transmission beam is appropriately formed based on a weight vector to be transmitted to a specific mobile station in a mobile communication system. For this purpose, a base station device...

20050248498 - Portable antenna positioner apparatus and method: Embodiments of the portable antenna positioner described provide a lightweight, collapsible and rugged antenna positioner for use in receiving low earth orbit, geostationary and geosynchronous satellite transmissions. By collapsing the antenna positioner, it may be readily carried by one person or shipped in a compact container. The antenna positioner may...

20050248500 - Multi-frequency antenna module for an electronic apparatus: A multi-frequency antenna module includes first and second radiating elements disposed on a substrate and spaced apart from each other. A serpentine first transmission line conductor of the first radiating element and a second transmission line conductor of the second radiating element contact electrically and respectively first and second electrical...

20050248499 - Multiple meander strip monopole antenna with broadband characteristic: Disclosed is a multiple meander strip monopole antenna, which can have a broad bandwidth and easily miniaturize the antenna by using a meander structure. A grounding conductor plate is coupled to the under face of a dielectric base plate. A radial cross-strip is disposed symmetrically at the center of the...

20050242997 - Dielectric sheet, method for fabricating the dielectric sheet, printed circuit and patch antenna using the dielectric sheet, and method for fabricating the printed circuit: A dielectric sheet (500, 600, 1621) includes a photodielectric support layer (505, 1630) that may be glass reinforced and a dielectric laminate (510, 605). The dielectric laminate includes first and second metal foil layers (415, 660; 210, 665, 1605, 1610), and a dielectric layer (405, 655, 1620) disposed between the...

20050242996 - Electrically small dielectric antenna with wide bandwidth: A dielectric antenna comprising a dielectric element mounted on a first side of a dielectric substrate, a microstrip feed located on the first side of the substrate and extending between the substrate and the dielectric element, and a conductive layer formed on a second side of the substrate opposed to...

20050242999 - Low-profile unbalanced vehicular antenna methods and systems: A method and system of providing an antenna for a communications system is provided including providing a modular patch antenna having a substantially omni-directional gain pattern. A gain modifying facility provides for modification of the gain pattern along at least one s selected axis of the antenna. The modular patch...

20050242998 - Printed monopole multi-band antenna: An exemplary printed monopole multi-band antenna comprises a common radiator element, a first radiator arm connected to the common radiator element and a second radiator arm connected to the common radiator element. Electromagnetic coupling between the first radiator arm and the second radiator arm contributes to and/or shifts the resonance...

20050243001 - Antenna and radio communication apparatus: An antenna includes a parallel resonant circuit disposed in a non-ground region. The parallel resonant circuit includes a parallel radiation electrode pattern that is patterned in the non-ground region and a surface mount antenna component. The parallel radiation electrode pattern is connected in parallel to the surface mount antenna component....

20050243000 - Selectively engaged antenna matching for a mobile terminal: Selectively engaged antenna matching for a mobile terminal. Antenna matching can be engaged, disengaged, or switched as needed depending on whether a movable cover or clam-shell portion of a mobile terminal is open or closed. A switch can connect a single matching network to a radiating element in one case,...

20050243002 - Decorative antenna for automobile: A decorative antenna for automobile emitting light when the automobile is moving comprises a case, a luminotron connected with leads and a mini wind-driven generator. The case may be formed as a toy such as a helicopter. The case is provided with a transparent window thereon and a mounting hole...

20050243003 - Antenna device: The present invention is an antenna apparatus capable of receiving AM radio broadcasting and FM radio broadcasting and being realized at a low cost. An FM antenna conductor (2) for receiving FM broadcasting is formed with a metal pipe with good conductivity, and an AM antenna conductor (5) for receiving...

20050243004 - Active alignment system for free space optics: An optical transceiver antenna has a pair of cartridges supported by a pan/tilt mount. A lens at forward end of a cartridge interfaces light between an end of a light relay element retained by an axial deflection device and free space. The forward end of a cartridge also terminates first...

20050243005 - Low profile hybrid phased array antenna system configuration and element: A microstrip patch antenna is provided having a high gain performance with a smaller size compared to existing approaches. The antenna includes a patch having a polygon shape, such as a convex polygon, and a modified V-slot in the polygon patch including high-frequency control segments. Such an antenna has a...

20050243006 - Dual-band antenna with low profile: A dual-band antenna can be used in wireless communications under Bluetooth and IEEE 802.11a/b/g standards includes a rectangular base (1) forming a transverse bar (5) and a grounding bar (41) extending therefrom in a same direction, a radiating portion (2) arranged distantly above the base, an interconnection bar (3) connecting...

20050243007 - Dual-band dipole antenna: A dual-band antenna (1) includes a first antenna (2) and a second antenna (3). The first antenna includes a u-shaped first dipole half (11) and an n-shaped second dipole half (12). The first dipole half is disposed above the second dipole half with a space therebetween and the two dipole...

20050243008 - Dual range antenna: An antenna system that for use in both high density areas and rural areas while still obtaining acceptable reception in both locations. The antenna system includes a switching mechanism that permits the user to select between a lower gain range, appropriate for high density areas, and a higher gain range,...

20050243009 - Omnidirectional broadband monopole antenna: An omnidirectional broadband monopole antenna comprises a ground plane, a radiating member, and a feed member. The ground plane is made of a metal plate. The radiating member comprises a first sub-radiating member, a second sub-radiating member connected to one side of the first sub-radiating member to provide a first...

20050243010 - Enhanced magnetic field communication system: Devices and methods are provided to enhance magnetic field communication. One aspect of the present subject matter relates to a method for transmitting and receiving signals using an antenna element electrically connected to a driver and an amplifier. According to various embodiments of the method, a first signal is transmitted...

20050243011 - Protection device for a satellite signal receiving component: A packaged satellite system product comprises a Signal Amplifying Component (SAC), a satellite signal receiver, a satellite dish assembly, a SAC mounting arm and a SAC protective device. The SAC is configured for receiving signals. The satellite signal receiver is configured for processing said signals. The SAC mounting arm has...

20050243014 - Ground proximity antenna system: The invention provides an antenna system for operation near a ground plane, for example, at or near the surface of a body of water. The antenna system includes, for example, an array of filar elements attached to one or more spiral elements. The system also includes, for example, a buoyant...

20050243012 - Multiple bands type antenna and method for producing the same: The present invention relates to a multiple band-type antenna and method of producing the same. In the present invention, a connector member formed by cutting a cylindrical metallic rod and a first helical antenna are integral through a connection member. A space forming an impedance transformer is formed at the...

20050243013 - Reduced size dielectric loaded spiral antenna: A spiral antenna having a pair of antenna arms mounted on a dielectric substrate. A balun is included to connect the antenna which has an impedance of 100 ohms to a 50 ohm cable. Unique features of the spiral antenna design provide for size reduction at a given lowest required...

20050243015 - Clipped contact whip and flex antenna assembly for a device: Antenna assembly for a portable device. The antenna assembly includes a nonconductive base, a conductive bushing held within a lower end of the base, and a flex antenna wrapped around the base. The flex antenna includes a trace having substantially all of its length disposed around an upper end of...

20050243016 - Reflector: The present invention relates to a reflector for a reflector antenna. The reflector includes a reflective surface in the form of a first skin, wherein the first skin is adherent to a core that is substantially thicker than the first skin. A portion of the core not adherent to the...