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Communications: radio wave antennas April category listing, related patent applications 04/06

20060087476 - Antenna sector frame: An antenna sector frame that can collapse for easy transport and storage. The antenna frame can be packaged with all of its loose parts in a single container on a relatively flat single skid capable of being stacked in storage. The antenna frame can include a pair of...

20060082506 - Dual band antenna device, wireless communication device and radio frequency chip using the same: A dual band antenna device operable in a first frequency band and a second frequency band is disclosed. The device comprises a first radiation body and a second radiation body. The first radiation body forms a single path with at least two bend portions. A portion of the second radiation...

20060082504 - Embedded multiband antennas: A compact sized embedded, multiband, multi-standard, interoperable antenna for portable devices used in wireless applications is provided. The antenna design includes an asymmetrical structure provided on a double-sided printed circuit board. The asymmetrical structure covers both the ultra-wideband and the wireless local area network band. The asymmetrical structure provided on...

20060082505 - Miniature antenna having a volumetric structure: A miniature antenna includes a radiating arm that defines a grid dimension curve. In one embodiment, the radiating arm includes a planar portion and at least one extruded portion. The planar portion of the radiating arm defines the grid dimension curve. The extruded portion of the radiating arm extends from...

20060082503 - Quadband antenna for portable devices: A compact sized integrated quadband antenna for portable devices used in wireless applications is provided to provide wireless wide area network quadband coverage for world wide applications. The antenna design includes a combination of F-shaped and variations of L-shaped metal pieces. The F-shaped and variations of L-shaped metal pieces are...

20060082509 - Pad having recessive antenna: The present invention relates to a pad having a recessive antenna and being mounted in an electronic device, comprises a pad mounted on a base plate of the electronic device and an antenna configured inside the pad. By the aforesaid structure, the electronic devices having wireless connectivity, such as multimedia...

20060082507 - Spring-loaded extendible antenna for a mobile phone: The present invention is a spring-loaded manually extendable antenna for a mobile phone. An antenna extension system includes an extendable antenna stowed within an antenna housing. Within the antenna housing is a compressible spring. Attached to the bottom end of the antenna is a washer. The antenna is held in...

20060082508 - Wireless wan antenna: A portable electronic device, including a base mechanically coupled to a display enclosure with a hinge, is built. The display enclosure includes at least one WAN antenna configured to rotate about an axis such that when closed the antenna forms part of the display enclosure, and when rotated to an...

20060082510 - Collapsible electronic article surveillance gate: A stowable antenna system for a security system is providing which includes an electronic radiating element in the form of a furlable flexible sheet, a power supply to power the electronic radiating element and a housing to receive and store the radiating element in a furled condition. The radiating element...

20060082511 - Electronically controlled dual polarizer: Systems and methods provide an electronically controlled polarizer for antenna applications. For example, in accordance with an embodiment of the present invention, an electronically controlled dual polarizer is disclosed, which may selectively allow horizontally or vertically polarized signals to pass through (e.g., during transmission and/or reception) or selectively provide right...

20060082512 - Electromagnetic bandgap device for antenna structures: An electromagnetic bandgap device is mountable on a RF disturbing structure of an antenna to minimize signal field disturbance imparted thereby. The RF disturbing structure is oriented in a direction substantially parallel to a path of travel of an antenna signal and located within a field covered by the signal...

20060082513 - Simultaneous multi-band ring focus reflector antenna-broadband feed: Compact multi-band antenna system (500) includes a main reflector (502) having a shaped surface of revolution about a boresight axis of the antenna operable at a plurality of frequency bands spectrally offset from each other. A multi band feed system (300) is provided for the main reflector that includes a...

20060082514 - Antenna for controlling a beam direction both in azimuth and elevation: An antenna for controlling a beam direction both in azimuth and elevation is disclosed. An antenna comprises a ground plane, at least one active element, and a plurality of passive elements. Both an upper half and a lower half of the passive elements are connected to the ground plane with...

20060082515 - Wideband omnidirectional antenna: An omnidirectional antenna and method of producing the omnidirectional antenna is provided. Generally, the antenna has a first board with a ground plane on a first side of the first board and a second board with one or more dipole antennas located next to a first edge of the second...

20060082516 - Dielectric-resonator array antenna system: A dielectric resonator element array (DRA) antenna system and method for using same is disclosed. The dielectric resonator antenna system includes a ground plain, a feed structure, an array of dielectric resonator elements electrically coupled to the feed structure, each dielectric element having a relatively high permittivity, a radome close...

20060082517 - Antenna: An antenna has a central core with a central coupling region. At least one pair of radiating antenna lines is formed a surface of the central core in a helix structure. A circuit board has a protruding structure and is electrically coupled to the pair of radiating antenna lines. The...

20060077101 - Loaded antenna: A novel loaded antenna is defined in the present invention. The radiating element of the loaded antenna consists of two different parts: a conducting surface and a loading structure. By means of this configuration, the antenna provides a small and multiband performance, and hence it features a similar behaviour through...

20060077102 - Wafer scale beam forming antenna module with distributed amplification: In one embodiment, a wafer scale antenna array is provided that includes: a substrate, a first plurality of antennas adjacent to the substrate; and a driving network adjacent the substrate for transmitting RF signals to the plurality of antennas and for receiving RF signals from the plurality of antennas, the...

20060077106 - Antenna module for portable wireless terminal: An antenna module for a portable wireless terminal is provided. In the antenna module, a feed part is electrically connected to an RF connector of a mainboard, and a conductive layer is formed at the mainboard and is used as a ground of the mainboard. A ground element is formed...

20060077108 - Computer with an embedded antenna: A laptop computer with an embedded antenna is disclosed. The laptop computer contains an LCD panel and an antenna embedded inside the LCD panel. The antenna is embedded in the gap between the covering of the LCD panel and the frame supporting the LCD on the LCD panel. The ground...

20060077107 - Device and method for antenna matching in portable wireless terminal with built-in antenna: Disclosed is an antenna matching device of a folder type portable wireless terminal with a built-in antenna. In the antenna matching device, a π-type matching circuit is connected between an built-in antenna and a duplexer, one end of a passive element is shunted between the π-type matching circuit and the...

20060077105 - Dual-band chip antenna module: There is provided a dual-band chip antenna module mounted on a mainboard of a terminal for operating in different frequency bands. In the dual-band chip antenna module, a first antenna element is connected in series with a second antenna element, a feed line is formed on the mainboard to electrically...

20060077104 - Film antenna: A film antenna whose antenna characteristics are unaffected by chassis is provided. A recessed groove portion 26 is formed in a ground portion 13 which is attached to a chassis 18. A first radiating element portion 14 is formed from a wall 26a on one side of the groove portion...

20060077103 - Supplemental parasitic antenna apparatus: A supplemental antenna assembly is provided for use with an electronic device having an integral radio antenna, such as a wireless-enabled laptop computer, notebook computer, gaming device, personal digital assistant (PDA), or circuit card (e.g., a PCMCIA card) or other circuit assembly designed be used with such a device. The...

20060077109 - Heating line pattern structure of defogger: A structure of a heating line pattern of a defogger for improving the directivity of an FM antenna in an antenna for a motor vehicle comprising AM and FM antennas formed on a rear window glass panel. A heating line pattern structure comprises two bus-bars formed on both sides of...

20060077110 - Antenna and method for mounting an antenna on a vehicle by clipping, preferably produced by sliding: The invention relates to a device and a method of mounting an antenna, in particular a roof antenna (1), on a vehicle body (12) with a base plate (2) connected to the roof antenna (1) outside the vehicle body and with a support element inside the vehicle body that is...

20060077111 - Communication device for small vehicles: A communication device for small vehicles includes a single communication device that transmits signals in all directions without being interfered with by a passenger. A communication range of an electromagnetic wave with high directivity, which is susceptible to environmental conditions, can be enlarged as much as possible. The communication device,...

20060077112 - Antenna device: An antenna main body comprises an antenna element, female connectors provided at a first connector, a female screw section, and an engagement claw inserted into an antenna mount hole H to make engagement with a lower side face of a roof panel R. A fixing member comprises cables, male connectors...

20060077113 - Antenna device for vehicle: An antenna device includes a circuit board, an upper shield case, a lower shield case, and a power feeding member. The circuit board has high frequency circuits arranged thereon. The upper shield case and the lower shield case cover the circuit board. The power feeding member extends from an upper...

20060077114 - Antenna protected from dielectric breakdown and sensor or switchgear apparatus including the same: A switchgear apparatus includes a switchgear device, such as a circuit breaker, having a power bus, and an antenna element including an antenna member and one or more antenna leads. A material encapsulates the antenna member and is adapted to suppress dielectric breakdown through the material to the encapsulated antenna...

20060077115 - Broadband internal antenna: Disclosed herein is a broadband internal antenna. The broadband internal antenna includes a first radiator and a second radiator. The first radiator has a radiation part in which one or more coils having different pitch intervals are connected in series to each other. The second radiator has at least one...

20060071861 - Antenna and dielectric substrate for antenna: An antenna comprises a ground pattern, and a planar element that is fed and equipped with a cut-out portion provided from the farthest edge portion formed from the feed position toward the ground pattern side, and the ground pattern and the planar element are juxtaposed with each other. The cut-out...

20060071858 - Antennas for multicarrier communications and multicarrier transceiver: Small and compact antennas are suitable for use in portable wireless communication devices, including wireless local area network (WLANs) devices....

20060071860 - Inverter and vehicle drive unit using the same: The inverter has a plurality of arms for conducting or cutting off a current and each arm has a switching device and a first and a second wiring layer for connecting the switching device. The first and second wiring layers of each arm are respectively formed on insulating substrates, and...

20060071862 - Low cost electrical power connectivity for railway systems manufactured from conductive loaded resin-based materials: Electrical connectivity devices for railway systems are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base resin host. The percentage by weight of the conductive powder(s), conductive fiber(s), or...

20060071856 - Patch antenna: An object of the present invention is to provide a simple, reasonably-priced patch antenna which can be assembled easily. A pair of first L-shaped holding portions 14b formed on a spacer 14 is inserted into a pair of attachment holes 12c formed in an antenna plate 12, and the antenna...

20060071859 - Pin fin ground plane for a patch antenna: A system and method improves linearly-polarized microstrip patch antenna performance and fabrication through the incorporation of a pin fin ground plane and an integral antenna feed assembly. In one embodiment, a patch antenna system includes an antenna area with a patch antenna that provides radio communications. A heat dissipation member...

20060071857 - Planar high-frequency or microwave antenna: A miniaturized planar multi-band antenna for HF or microwave frequencies (PIFA) is disclosed, which operates by means of a metal surface (4) defining a ground potential of the application. The operating principle is based on at least two structures (11, 21) which are essentially independent of one another and emit...

20060071863 - Antenna for portable communication device equipped with a hinge: A portable communication device includes a first part including a first antenna element located within and extending through a portion of the first part and radio circuit feeding antenna elements, a second part hingedly joined to an end of the first part for providing at least one open and one...

20060071865 - Integrated mobile communication antenna: Disclosed is an integrated antenna for mobile communications. A short-circuiting metal cylinder is provided in the antenna for arranging other functional modules such that the antenna and related circuits may have better integration. The provided antenna includes a ground with a via-hole; a radiating member arranged on the ground and...

20060071864 - Multi-antenna handheld wireless communication device: Antenna systems for handheld wireless communication devices (100) that comprise a first unbalanced feed antenna (112, 718, 802, 1204, 1812) and a second balanced feed antenna dipole antenna (202, 716, 804, 1202, 1802) that are located next to a ground structure (116, 810, 1210, 1824) for the handheld wireless communication...

20060071866 - Antenna system and method for measuring the azimuth and elevation angles of an active, signal sending radiosonde: The present invention relates to an antenna system and method. The antenna system for measuring azimuth and elevation angles of an active, signal sending radiosonde (31), comprises a first passive antenna group (13) comprising at least two antenna arrays (11a, 11b), the direction pattern of which is wide at least...

20060071867 - Space telecommunications integrated antenna system for mobile terrestrial stations (satcoms): An integrated antenna system for telecommunications comprises at least one substantially flat and circular antenna provided with a rotation axis coinciding with its axis, the antenna being fixedly joined to a support itself comprising a rotation axis. The rotation axis of the antenna is inclined by an angle θ relative...

20060071868 - Antenna device mounted on vehicle: A base member is adapted to be mounted on a vehicle body. A proximal end of a rod-shaped antenna body is pivotably provided on the base member. The antenna body includes an antenna element. A first conductive member is disposed in the base member and provided with a first bracket-shaped...

20060071869 - Earphone antenna, composite coil used therefor coaxial cable and radio device with the earphone antenna: An earphone antenna in which a balun is connected to one side and the other side having an audio/high-frequency dual-function signal connecting the earphone unit via a loading coil and wireless equipment connected to the balun, the loading coil selecting low impedance for fundamental frequency and selecting to obtain high...

20060071870 - Antenna device: Linear elements 101a to 101d are conductors, which have the element length equivalent to half a wavelength, have been placed so that they may draw a diamond shape. Delay elements 102a and 102b are bent conductors, which have a total length equivalent to one fourth wavelength and a length L2...

20060071871 - Omnidirectional ultra-wideband monopole antenna: An omnidirectional ultra-wideband monopole antenna, with the characteristics of simple structure, easy fabrication and low cost, mainly comprises a ground plane, a U-shaped radiating member above the ground plane and a feeding member for feeding signals to the radiating member. The radiating member further comprises a first sub-radiating member parallel...

20060071872 - Ground based inflatable antenna: The invention is a ground based inflatable antenna system. The antenna system includes an inflatable lenticular dish. The dish is enclosed in an inflatable radome. The inflatable radome stabilizes the orientation of the dish and protects it from environment conditions such as wind....

20060071874 - Antenna feed structure: A unitary feed structure for sliding installation in a passage in the insulative core of a dielectrically-loaded antenna comprises the unitary combination of a tubular outer shield conductor and elongate inner conductor which extends through the shield conductor and is insulated from the latter. The shield conductor and inner conductor...

20060071873 - Improved tapered area small helix antenna: A wideband multi-mode antenna having low VSWR operating characteristics. The antenna element is formed from a right-triangularly shaped piece of conductive material, which is rolled along the base dimension. Operational characteristics may be modified by spacing the antenna element from a ground plane using dielectric spacers, and the antenna element...

20060071875 - Telescopic retractable antenna with improved contact system: A retractable antenna including an outer elongate telescopic element extending along an elongate axis, an inner elongate telescopic element which is slidable along the elongate axis with respect to the outer elongate telescopic element from a fully retracted position to a fully extended position; and an extended position retaining spring...

20060071876 - Communication system with broadband antenna: A communication system including an antenna array with feed network coupled to communication electronics. In one example, a communication subsystem comprises a plurality of antennas each adapted to receive an information signal and a plurality of orthomode transducers coupled to corresponding ones of the plurality of antennas, each OMT is...