|
Match
|
Document |
Document Title |
|
|
6833820 |
Tunable monopole antenna
A family of FE dielectric-tuned antennas and a method for frequency tuning a wireless communications antenna are provided. The method comprises: forming a radiator; forming a dielectric with...
|
|
|
6831606 |
Antenna device and a method for manufacturing an antenna device
The present invention relates to an antenna device ( 20, 30 ) comprising a conductive pattern ( 22, 31 ). The conductive pattern is made of a metal having good conductibility, e.g. copper, copper...
|
|
|
6830193 |
Non-contact IC card
A non-contact IC card includes an information storage unit for storing information, a communication controller for controlling communication with an external device, and a loop antenna for...
|
|
|
6828947 |
Nested cavity embedded loop mode antenna
A nested cavity embedded loop mode antenna is provided with an ultra wide band response by nesting individual embedded cavity meander line loaded antenna modules, with the meander lines coupled to...
|
|
|
6825819 |
Ceramic chip antenna
A ceramic chip antenna for use in ultra-high frequency communications. The ceramic chip antenna according to the present invention comprises a main body, first and second helical conductors, and a...
|
|
|
6822620 |
Helical antenna and communication apparatus
The helical antenna comprises a base body and a helically-configured conductor on a top surface of the base body, wherein base body's thickness a is given as 0.3≦a≦3 (mm); length b is given as...
|
|
|
6820314 |
Method of making radio frequency identification tags
A radio frequency identification tag is made with a printed antenna coil integrated on a flexible substrate, and an integrated circuit area of the substrate adjacent to the antenna coil for...
|
|
|
6823177 |
Radio station with circularly polarised antennas
A radio station including two antennas combined with respective first and second hybrid transmission polarization couplers is disclosed. Each antenna is arranged to generate two orthogonal electric...
|
|
|
6819302 |
Dual port helical-dipole antenna and array
A high gain dual port antenna and antenna array provide enhanced isolation between a receiver and a transmitter. The antenna includes a helical element connected to one port and a dipole element...
|
|
|
6819289 |
Chip antenna with parasitic elements
A chip antenna, which is used for a mobile communication terminal, local area networks (LAN), or at blue tooth (BT) band, includes: a base block made of one selected from a diaelectric material and...
|
|
|
6816127 |
Low profile tri-filar, single feed, circularly polarized helical antenna
A low-profile, tri-filar, helix antenna having circular polarization (CP) includes a single feed, in the absence of an internal feed network. The antenna includes three metal, bent, quarter-wave...
|
|
|
6816125 |
Forming electromagnetic communication circuit components using densified metal powder
Manufacturing techniques are described for forming electrical components. For example, a layer of a metal powder composition is deposited onto at least a portion of a substrate. Pressure is applied...
|
|
|
6816126 |
Helical antenna and helical antenna array
A small and light helical antenna, with a high gain, includes arranging the dielectric cylinder with a helix conductor on the conductive plate and arranging a thin rectangular conductive plate...
|
|
|
6812894 |
Dielectric chip antenna
A dielectric chip antenna includes a substantially rectangular parallelepiped dielectric substrate, a feeding electrode, a fixation electrode, and two radiation electrodes. The feeding electrode is...
|
|
|
6812896 |
Selectively coupled two-piece antenna
A selectively coupled two-piece antenna for use in a mobile phone having a casing and radio frequency (RF) communications circuitry includes a composite radiator that is selectively extendable from...
|
|
|
6813481 |
Mobile radio machine
A mobile radio machine of folding type with simple structure which can receive a pull-out type whip antenna and function as antenna even when the antenna is restored is disclosed. In the mobile...
|
|
|
6812906 |
Broadband quardifilar helix with high peak gain on the horizon
The invention concerns a quadrifilar helix antenna that has four orthogonal conductive elements helically wound around a common axis. Each of the conductive elements can have between 3 to 7 turns...
|
|
|
6809703 |
Contactless electronic tag for three-dimensional object
An electronic tag ( 30, 40 ) is provided comprising a contactless integrated circuit ( 10 ) and a main coil antenna (Ls) comprising at least two distinct non-coplanar and/or non-coaxial windings...
|
|
|
6806836 |
Helical antenna apparatus provided with two helical antenna elements, and radio communication apparatus provided with same helical antenna apparatus
In a helical antenna apparatus, a first variable capacitance element is connected between a first helical antenna element and a second helical antenna element, and a second variable capacitance...
|
|
|
6806838 |
Combination satellite and terrestrial antenna
A combined antenna system used for both vehicles and structures, whereby a satellite antenna is placed concentrically around a conventional mast antenna that can be used for both conventional FM...
|
|
|
6803880 |
Antenna device
An antenna device is designed for incorporation in an electric apparatus and has a radiator carried by a flexible plastic film. The film has a radiator pattern disposed on one side of a...
|
|
|
6798383 |
Low profile small antenna and constructing method therefor
A built-in antenna applied to sending and reception of radio waves of a few giga cycles is improved and made smaller, and is made suitable for industrial production and has its tuning bandwidth...
|
|
|
6798388 |
Stubby, multi-band, antenna having a large-diameter high frequency radiating/receiving element surrounding a small-diameter low frequency radiating/receiving element
An antenna is responsive to both a low frequency band and a high frequency band. The antenna includes a metal connector and a hollow insulating tube that is supported by the metal connector. A...
|
|
|
6795037 |
Radio-frequency antenna for a magnetic resonance system
A radio-frequency antenna for a magnetic resonance system has a basic element with two end rings and a number of antenna rods, and a radio-frequency mirror. The end rings are arranged...
|
|
|
6791508 |
Wideband conical spiral antenna
A spiral antenna having a horizontal member that terminates wires for conducting and radiating signals provides increased efficiency over the HF transmission range in a smaller size construction. A...
|
|
|
6791497 |
Slot spiral miniaturized antenna
A slot spiral miniaturized antenna is described. The antenna includes a conductive layer formed on a first side of a dielectric substrate. A slot arranged in the form of a spiral curve and having a...
|
|
|
6791509 |
Helical antenna
In a helical antenna having an antenna pattern of a helical shape, the antenna pattern extends along a cylindrical body formed by an insulating film member which is rolled into a cylindrical shape....
|
|
|
6788270 |
Movable antenna for wireless equipment
Antennas and methods of manufacturing and using antennas suited for use in mobile devices are described. The described antennas include an antenna arm ( 104 ) and a conical spring radiating element...
|
|
|
6788271 |
Helical antenna manufacturing apparatus and method thereof
Disclosed is a helical antenna manufacturing apparatus and method. A controller controls a core driver and a roller driver to rotate a core and a roller according to an rpm which is pre-set...
|
|
|
6788264 |
Low profile satellite antenna
A satellite antenna with a radiator element arranged between a ring element and a ground plane. The radiator element arranged in a substantially parallel orientation and electrically isolated from...
|
|
|
6788272 |
Feed network
An antenna feed network including a 180° hybrid coupler having a feed port, a 0° port; and a 180° port having an approximately 180° phase difference with the 0° port. A first antenna port is...
|
|
|
6784852 |
Multiport serial feed device
A circuit dividing and/or combining signals that has an input port for receiving a first signal, a first transmission line connected at one end to the input port, and a first connection point. The...
|
|
|
6784850 |
Antenna apparatus
Power is supplied to antenna elements of a helical antenna section, which are arranged at an angular distance of 90° therebetween, with a phase difference of 90°. When a reception wavelength is...
|
|
|
6784853 |
Antenna
The present invention relates to radio engineering and is applicable to antenna feeder devices, mainly to compact antennas with enhanced broadbanding. An antenna comprises a spiral antenna made by...
|
|
|
6781560 |
Phased array antenna including archimedean spiral element array and related methods
A phased array antenna may include a substrate and a plurality of spaced apart phased array antenna elements carried by the substrate and arranged along an imaginary Archimedean spiral. More...
|
|
|
6781549 |
Portable antenna
An antenna particularly suitable for a portable communication device and including an elongate portion integrally formed with at least one first coil portion arranged about the elongate portion and...
|
|
|
6781557 |
Antenna formed from a plurality of stacked bases
An antenna includes a plurality of bases stacked in a thickness direction, conductor patterns formed on the bases, respectively, and conducting sections for electrically interconnecting the...
|
|
|
6781561 |
Antenna for a tire pressure detector
An antenna for a tire pressure detector is installed on an RF circuit board of the tire pressure detector. The antenna has a seat with a bottom plate. A post is uprightly formed on the bottom...
|
|
|
6778148 |
Sensor array for enhanced directivity
A planar sensor array described herein as a spiral lattice planar array is comprised of a plurality of sets of sensor elements wherein for each set of the sensor elements an element is disposed at...
|
|
|
6778149 |
Composite antenna apparatus
A composite antenna apparatus includes a cylindrical member 4 formed by a flexible insulating film rolled into a cylindrical shape, a plurality of antenna patterns 3 formed in a helix pattern...
|
|
|
6778143 |
GPS antenna unit for two-wheeled motor vehicle
A GPS antenna unit for a two-wheeled motor vehicle capable of being mounted to the vehicle without impairing the appearance of the vehicle. A GPS antenna unit for a two-wheeled motor vehicle,...
|
|
|
6774865 |
Portable electronic device comprising several contact-free integrated circuits
The present invention relates to a device ( 40 ) comprising a combination of at least two contactless integrated circuits ( 45 ), each integrated circuit being connected to an individual antenna...
|
|
|
6768475 |
Antenna
An antenna apparatus arranged in accordance with the invention has a plurality of element antennas 1 arranged on a plurality of concentric circles 2 assumed to exist on a plane and differs in...
|
|
|
6768463 |
Multi-surface printed conductive trace antenna and method of receiving signals using a multi-surface printed conductive trace antenna
A multiple-surface antenna, and a method of receiving signals using an antenna, are disclosed. The multi-surface antenna includes a multi-surface dielectric substrate and a conductive trace formed...
|
|
|
6768464 |
Antenna element and portable information terminal
A portable telephone including a main unit case and an antenna element. The antenna element includes a meander line antenna as the first antenna unit arranged within the main unit case and formed...
|
|
|
6765542 |
Multiband antenna
A multi-band antenna comprising two or more low frequency radiators dimensioned to operate in a low frequency band, and two or more high frequency radiators dimensioned to operate in a high...
|
|
|
6765536 |
Antenna with variably tuned parasitic element
A multi-band radio communication device with an antenna system that includes an antenna element and a parasitic element located in proximity to the antenna element. A tuning circuit is coupled to...
|
|
|
6765541 |
Capacitatively shunted quadrifilar helix antenna
A quadrifilar helix antenna is provided having a feedpoint for the antenna connecting to individual helical antenna elements. A capacitive network, distributed along the length of the antenna,...
|
|
|
6762732 |
Methods for assembling and installing an antenna
A method for assembling and installing an antenna, for mobile radios, which is formed by wire in a winding or twisting process and includes a helical part and a contact-making part, wherein the...
|
|
|
6759990 |
Compact antenna with circular polarization
An efficient antenna exhibiting primarily circular polarization is described. Electrical performance is similar to that of a patch antenna having the same volume; however, greater bandwidth is...
|