Communications: radio wave antennas inventions 09/06

20060208948 - Antenna unit: An antenna unit according to an embodiment of the invention includes an antenna that communicates with a RFID and a frequency switch that switches a frequency of a radio wave that the antenna transmits and receives, wherein the antenna includes a radiation plate that radiates a radio wave that communicates...

20060208949 - Antenna device, radio device, and electronic instrument: An antenna apparatus 1 has an antenna substrate 21 composed of a separator 23 and electrolyte layers 24a and 24b disposed on both surfaces of the separator 23; an antenna pattern 22a disposed on the solid electrolyte layer 24a; and an antenna pattern 22b disposed on the solid electrolyte layer...

20060208951 - Cover structure for a radio device: The invention relates to a cover structure for a portable radio device, which structure also serves the forming of an antenna for the radio device. The cover of the radio device comprises a conductive planar component (330) and a dielectric planar component (340) fastened together. A certain part of the...

20060208952 - 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...

20060208950 - Wideband flat antenna: A broad-band plate antenna is configured such that an (N−1)th linear element portion among N linear elements consisting of first to Nth linear element portions has a length longer than an (N−2)th linear element portion, an area of the (N−1)th linear element portion is made larger in a direction of...

20060208953 - Antenna: A broadband antenna that is non-directional in the horizontal plane and that is capable of receiving a broadband radio wave, especially receiving a signal of a broad band extending over several Gigahertz. An antenna has a brass spherical shell having a diameter of, for example, 10 mm, fitted, in a...

20060208954 - Ultra wideband antenna for filtering predetermined frequency band signal and system for receiving ultra wideband signal using the same: An ultra wideband antenna is provided that filters a predetermined frequency signal. The ultra wideband antenna includes a power feeding part that receives a supply of an external electromagnetic energy; a radiator excited by the electromagnetic energy fed through the power feeding part and radiating an electromagnetic wave; and a...

20060208956 - Modified printed dipole antennas for wireless multi-band communication systems: A dipole antenna for a wireless communication device, which includes a first conductive element superimposed on a portion of and separated from a second conductive element by a first dielectric layer. A first conductive via connects the first and second conductive elements through the first dielectric layer. The second conductive...

20060208955 - Tag antenna: A dipole part of a length shorter than half of an antenna resonance wavelength is placed so as to be rolled and enables a feeding part 11 to feed a chip. An inductance part 12 for adjusting the inductance of the antenna is provided so as to sandwich the feeding...

20060208957 - Dipole antenna having a periodic structure: A dipole antenna includes a plurality of generally parallel metal wiring lines, and a plurality of identical or similar unit circuits arranged in a row along the extending direction of the metal wring lines and connected with one another. Each unit circuit includes a connection portion for connecting the metal...

20060208958 - Compact omni-directional rf system: A radio frequency (RF) system having omindirectional functionality includes a supporting substrate, a circuit coupled to the substrate, and an antenna coupled to the circuit, the antenna having multiple lobes, wherein responses from the lobes are demodulated and combined at baseband. The circuit is positioned over a physical area of...

20060202894 - Conductive plastic antenna: The present invention is directed to an antenna device that includes at least one molded electrically conductive plastic component. The at least one molded electrically conductive plastic component has a material composition that includes a plastic base material and a concentration of electrically conductive particles. The antenna device is molded...

20060202895 - Antenna device for a pop-up type wireless portable terminal: An antenna device for a pop-up type wireless portable terminal is provided. The wireless portable terminal includes a main body. A pop-up body is provided to slide lengthwise on the main body so that the main body is partially opened or closed. A plate-type antenna radiator is provided at an...

20060202896 - Mobile display device: The present invention relates to a mobile display device including a main body; an antenna mounted on a side of the main body; a tilting shaft provided in one of the main body and the antenna; a tilting support provided in the other one of the main body and the...

20060202898 - Dual-layer planar antenna: An antenna for receiving an RF signal from a satellite is preferably integrated with a window of a vehicle. The window preferably includes a first nonconductive pane and a second nonconductive pane laminated together with a PVB adhesive layer. A first conductive layer is disposed on one of the surfaces...

20060202897 - Glazing panel with a radiation-reflective coating layer: A vehicle is provided with a glazing panel coated with a radiation-reflective coating layer and is adapted to have at least an antenna mounted behind the glazing panel. A window permeable to electromagnetic radiations is incorporated in the coating layer such that its size and design increase the transmission ratio...

20060202899 - True-time-delay feed network for cts array: A true-time-delay feed network for a continuous transverse stub antenna array includes a plurality of feed levels, each comprising one or more rails, the feed levels arranged in a spaced configuration. An open parallel plate region is defined between adjacent ones of the feed levels. The rails of the plurality...

20060202900 - Capacitively coupled log periodic dipole antenna: A log periodic dipole antenna in which some, or preferably all, of the mechanical attachments do not include metal-to-metal contact points. In particular, the antenna elements, which are cantilevered from a ground plate, are mechanically supported by and capacitively coupled to the ground plate with a dielectric adhesive material, such...

20060202901 - Antenna unit: An antenna unit comprises a hollow cylindrical member obtained by forming a flexible insulating film member into a hollow cylinder, an antenna pattern composed of at least one conductor formed at the hollow cylindrical member, and a board mounted with a low-noise amplifier. A hollow cylindrical cover case covers the...

20060202902 - Antenna unit: An antenna unit comprises a hollow cylindrical member obtained by forming a flexible insulating film member into a hollow cylinder and an antenna pattern composed of four conductors formed on an inner peripheral surface of the hollow cylindrical member. A phase shifter pattern is formed on the inner peripheral surface...

20060202903 - Antenna unit: An antenna unit comprises a hollow cylindrical member obtained by forming a flexible insulating film member into a hollow cylinder. An antenna pattern composed of at least one conductor is formed at the hollow cylindrical member. The antenna unit further comprises a board mounted with a low-noise amplifier and a...

20060202904 - Antenna unit: An antenna unit comprises a hollow cylindrical member obtained by forming a flexible insulating film member into a hollow cylinder and an antenna pattern composed of a plurality of conductors formed on a peripheral surface of said hollow cylindrical member. A phase shifter pattern is formed on the peripheral surface...

20060202905 - Antenna unit which can be designed to be small in size: In an antenna unit including an antenna and a bottom plate, a unit fixing member is disposed between the antenna and the bottom plate. The unit fixing member is adapted to provisionally fix the antenna unit onto a mobile object and to fix the antenna onto the bottom plate....

20060202906 - Wireless system: A wireless system for use in a low power data communications in a sub-millimeter wave zone includes at least one wireless communications device including a directional antenna whose cross-polarization discrimination is not less than 24 dB, wherein the wireless system uses a plurality of planes of polarization selectively. The planes...

20060202907 - Antenna: An antenna for use in a mobile radio communication device includes a conductive helical or spiral coil portion extending along an axis and, galvanically coupled to the coil portion, a conductive capacitive top load portion, wherein the coil portion and the top load portion are mutually arranged to provide an...

20060202908 - Antenna for wireless kvm, and housing therefor: An antenna apparatus includes a spiral metallic pattern formed on a portion of a circuit board on a first side thereof, the spiral pattern being formed of four arms, each arm having a contact location near the center of the spiral; a plurality of pin and ground connectors attached to...

20060202909 - Dielectric lens, dielectric lens device, design method of dielectric lens, manufacturing method and transceiving equipment of dielectric lens: A design process first determines a desired aperture distribution, then converts the electric power conservation law, Snell's law on the rear face side of a dielectric lens, and the formula representing light-path-length constraint, into simultaneous equations, and computes the shapes of the surface and rear face of the dielectric lens...

20060197706 - Distributed phase type circular polarized wave antenna and high-frequency module using the same: A distributed phase type circular polarized wave antenna is composed of a group of narrow conductor lines 2a, 2b, 2c and 2d, and the group of the narrow conductor lines 2a, 2b, 2c and 2d are laid out in a two-dimensional plane. Complex vectorial sums of respective projections of current...

20060197705 - Improved planar inverted f-antenna: An improved planar inverted-F antenna (PIFA) is provided. The PIFA made with a bent metal sheet having a substantial four-side frame in sectional contour includes a feed sheet, a radiating sheet, a grounding sheet and a short lead. Wherein, a feed lead is protruded from the feed sheet, a grounding...

20060197708 - Capacitive feed antenna: An antenna including a first monopole radiating element having a galvanic connection to an antenna feed and second and third monopole radiating elements having a capacitive connection to the antenna feed....

20060197707 - External antenna device and electronic device using the same: An external antenna device comprises an antenna, a low noise amplifier device, a first connection part and a second connection part. The antenna is operable for receiving radio signals. The low noise amplifier device electrically connected to the antenna is operable for receiving the radio signals and outputting first signals....

20060197709 - Mobile communication device: A mobile communication device. An antenna provides an output signal including a first resonance frequency and a wavelength. A printed circuit board (PCV) includes a metal grounding face and a layout face opposite the metal grounding face and is coupled to the antenna at a first node. A metal module...

20060197710 - Easy-to-assemble antenna unit: An antenna unit according to the present invention comprises an antenna case composed of a top cover and a bottom plate that are joined together. An antenna module is disposed in the top cover. A packing member is disposed at a joining portion between the top cover and the bottom...

20060197711 - Variable tuning antenna and mobile wireless device using same: A variable tuning antenna includes a tuning circuit (1) and a radiation element (2), connected to each other in series. The tuning circuit (1) includes a first inductance element (11) and a parallel circuit (12) to each other in series, and the parallel circuit (12) includes a second inductance element...

20060197712 - Method for mounting a radiator in a radio device and a radio device: The invention relates to a method for mounting a radiating antenna element used especially in the manufacture of small-sized radio devices and a radio device with a radiator mounted by the method. A thin thermoplastic plate coated with a metal foil is used in the manufacture of the antenna. A...

20060197713 - Low profile antenna for satellite communication: A low profile receiving and/or transmitting antenna includes an array of antenna elements that collect and coherently combine millimeter wave or other radiation. The antenna elements are physically configured so that radiation at a predetermined wavelength band impinging on the antenna at a particular angle of incidence is collected by...

20060197706 - Distributed phase type circular polarized wave antenna and high-frequency module using the same: A distributed phase type circular polarized wave antenna is composed of a group of narrow conductor lines 2a, 2b, 2c and 2d, and the group of the narrow conductor lines 2a, 2b, 2c and 2d are laid out in a two-dimensional plane. Complex vectorial sums of respective projections of current...

20060197705 - Improved planar inverted f-antenna: An improved planar inverted-F antenna (PIFA) is provided. The PIFA made with a bent metal sheet having a substantial four-side frame in sectional contour includes a feed sheet, a radiating sheet, a grounding sheet and a short lead. Wherein, a feed lead is protruded from the feed sheet, a grounding...

20060197708 - Capacitive feed antenna: An antenna including a first monopole radiating element having a galvanic connection to an antenna feed and second and third monopole radiating elements having a capacitive connection to the antenna feed....

20060197707 - External antenna device and electronic device using the same: An external antenna device comprises an antenna, a low noise amplifier device, a first connection part and a second connection part. The antenna is operable for receiving radio signals. The low noise amplifier device electrically connected to the antenna is operable for receiving the radio signals and outputting first signals....

20060197709 - Mobile communication device: A mobile communication device. An antenna provides an output signal including a first resonance frequency and a wavelength. A printed circuit board (PCV) includes a metal grounding face and a layout face opposite the metal grounding face and is coupled to the antenna at a first node. A metal module...

20060197710 - Easy-to-assemble antenna unit: An antenna unit according to the present invention comprises an antenna case composed of a top cover and a bottom plate that are joined together. An antenna module is disposed in the top cover. A packing member is disposed at a joining portion between the top cover and the bottom...

20060197711 - Variable tuning antenna and mobile wireless device using same: A variable tuning antenna includes a tuning circuit (1) and a radiation element (2), connected to each other in series. The tuning circuit (1) includes a first inductance element (11) and a parallel circuit (12) to each other in series, and the parallel circuit (12) includes a second inductance element...

20060197712 - Method for mounting a radiator in a radio device and a radio device: The invention relates to a method for mounting a radiating antenna element used especially in the manufacture of small-sized radio devices and a radio device with a radiator mounted by the method. A thin thermoplastic plate coated with a metal foil is used in the manufacture of the antenna. A...

20060197713 - Low profile antenna for satellite communication: A low profile receiving and/or transmitting antenna includes an array of antenna elements that collect and coherently combine millimeter wave or other radiation. The antenna elements are physically configured so that radiation at a predetermined wavelength band impinging on the antenna at a particular angle of incidence is collected by...