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US20090303153 |
ANTENNA APPARATUS
An antenna apparatus includes an antenna and support member. The antenna has a double spiral structure to include (i) an outer element, which has a spiral section prolonged spirally in an axial...
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US20090303152 |
ANTENNA APPARATUS
An antenna apparatus includes an antenna and a support member. The antenna has (i) an outer element, which has a spiral section prolonged spirally in an axial direction, and (ii) an inner element,...
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US20090284351 |
DISPERSIVE ANTENNA FOR RFID TAGS
RFID tag designs and sensors are disclosed that include a dispersive antenna and exhibit greater detection ranges relative to conventional designs. The designs include, for example a transponder...
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US20090284441 |
Multiple Frequency Antenna
A helical element, which is operated in the frequency band of FM broadcast, is wound around the outer periphery of a rod-shaped support member 10. A line-shaped element 12, which is operated in...
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US20090273537 |
FM CHIP ANTENNA
A frequency modulation (FM) chip antenna having a microwave base board printed thereon with a helical radiation metallic member of a single layer or multiple layers, the microwave base board is...
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US20090267859 |
End-fed planar type spiral antenna
An end-fed planar type spiral antenna for transmitting/receiving radio signals includes a spiral pattern formed to have inner and outer spiral curves turned predetermined times in a spiral shape...
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US20090256772 |
ANTENNA
An antenna comprises a first transmission element, a second transmission element, a conductive element, a ground element, a ground line and a signal line. The conductive element is connected to the...
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US20090243942 |
MULTIBAND ANTENNA
The present invention relates to a compact multiband antenna arrangement and method of manufacturing such an arrangement, wherein a first support body is provided, which is at least partially...
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US20090243956 |
ENHANCED IMPLANTABLE HELICAL ANTENNA SYSTEM AND METHOD
As described herein vascular anchoring systems are used to position an implant in a vascular area such as a bifurcated vasculature with relatively high fluid flow, for instance, in an area of a...
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US20090231203 |
Antenna Configuration and Use Thereof
The invention relates to an antenna configuration, comprising at least one electrically insulating carrier substrate and at least one electrically conductive layer applied on at least one side of...
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US20090231211 |
ANTENNA FOR USE IN EARPHONE AND EARPHONE WITH INTEGRATED ANTENNA
An electronic device includes a dielectric plate oriented parallel to a first direction. A conductive trace may be on a surface of the dielectric plate and forms a meander pattern on the surface of...
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US20090219215 |
MULTIPLE RESONANT ANTENNA UNIT, ASSOCIATED PRINTED CIRCUIT BOARD AND RADIO COMMUNICATION DEVICE
A multiple resonant antenna unit (AT 2 ) comprises a current feed area (SPI) from which only a single, spiral-like antenna branch (AZI) emanates. The total course of this spiral-like antenna branch...
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US20090219220 |
DUAL-BAND MULTI-PITCH PARASITIC HALF-WAVE (MPPH) ANTENNA
A dual band multi-pitch helical antenna ( 101 ) includes a first section ( 201 ) positioned adjacent to the feed point having a widely spaced pitch. A second section ( 203 ) is attached to the...
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US20090207086 |
ANTENNA APPARATUS
In an antenna apparatus, a radiation element includes a perturbation element. A first power feeding line has a first end connected to the radiation element and is configured to feed power to the...
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US20090201215 |
QUADRIFILAR HELICAL ANTENNA
A quadrifilar helical antenna comprising two pairs of filars having unequal lengths and phase quadrature signals propagating thereon. A conductive H-shaped impedance matching element matches a...
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US20090195478 |
Low-Profile Antenna
An antenna includes a dielectric substrate, feeding and grounding elements, a base element, a radiating element, and an interconnecting element. The feeding and grounding elements are formed on the...
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US20090174623 |
COMPACT BROADBAND ANTENNA
The invention relates to an antenna (ANT) comprising a radiating element (ELR) mounted above a substantially flat reflector. The radiating element (ELR) is of the broadband type and substantially...
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US20090174620 |
Phased array antenna having the highest efficiency at slant angle
The present invention relates to a phased array antenna, which is configured such that a plurality of radiation elements, having high reception efficiency for radio waves incident at a tilt angle,...
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US20090152362 |
COUPLING DEVICE FOR TRANSPONDER AND SMART CARD WITH SUCH DEVICE
A coupling device is formed by a continuous conductive path having a central section and two extremity sections, the central section forming at least a small spiral for inductive coupling with the...
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US20090146905 |
ANTENNA AND RADIO COMMUNICATION APPARATUS
A feeding radiation electrode and a non-feeding radiation electrode are provided extending from a front side surface to top surface of a dielectric base. In the feeding radiation electrode, a slit...
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US20090121964 |
ANTENNA DEVICE, RADIO TAG READER AND ARTICLE MANAGEMENT SYSTEM
There is provided with an antenna device includes; a first antenna element which is either a spiral antenna element or a loop-like antenna element; and a first feed point provided at a first end of...
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US20090115685 |
Dual band helical antenna with wide bandwidth
A dual band helical antenna with wide bandwidth includes a straight section and a helical tail section having a first and a second coil length, respectively. The straight section has a signal feed...
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US20090033583 |
SUBMINIATURE INTERNAL ANTENNA
Disclosed herein is a subminiature internal antenna, which exhibits a multi-band characteristic. The internal antenna includes a radiator electrically coupled at one end thereof to a feed element...
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US20090033580 |
RFID Antenna
An antenna particularly suitable for use in radio frequency identification (RFID) transponders. First and second half portions each include nominally straight conductive sections primarily defining...
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US20090033578 |
Wide band biconical antenna with a helical feed system
A wide band biconical antenna with a helical feed system comprises a printed circuit board (PCB) that maintains a plurality of antenna elements having an entry conic and a termination conic...
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US20090027295 |
Transition from a pulse generator to one or more helical antennae
An apparatus providing a low impedance transition from a pulse generator to one or more helical antennae. Conventional transition from coaxial-to-antenna causes energy loss. The present invention...
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US20090021445 |
BROADBAND VHF ANTENNA
An antenna assembly having a radiating element and a circuit board is provided. The radiating element is coupled to the circuit board by a conductive extension and hook portion where the hook...
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US20090021449 |
Broadband land mobile antenna
There is provided a monopole antenna including a helical radiating element including a first longitudinal portion having a first winding pitch and a second longitudinal portion having a second...
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US20090015504 |
Antenna, antenna combination, and portable electronic device having the antenna or antenna combination
Antenna, antenna combination, and portable electronic device having the antenna or the antenna combination are disclosed. The antenna comprises a radiator, a grounding portion, and an arc-shaped...
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US20090015512 |
Spiral Coil Loaded Short Wire Antenna
A antenna ( 10 ) comprises a straight stem portion ( 11 ) and a spiral coiled portion ( 12 ) for providing the necessary length, but being compact enough for assembly in a pit tube ( 23 ) of a...
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US20080316138 |
BALANCE-FED HELICAL ANTENNA
An antenna having a cylindrical shaped dielectric core region that defines top, bottom, and side surfaces. Two laterally opposed conductive linking tracks are provided at the top or bottom surface...
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US20080303743 |
Bent monopole antenna
Provided is a bent monopole antenna. The bent monopole antenna includes a printed circuit board, an RF module, a feed line, and a main radiation pattern part and a sub-radiation pattern part. The...
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US20080284673 |
HYBRID ANTENNA INCLUDING SPIRAL ANTENNA AND PERIODIC ARRAY, AND ASSOCIATED METHODS
The hybrid antenna includes a spiral antenna, e.g. a log spiral antenna, and a patch array layer adjacent to the spiral antenna and including a passive periodic patch array of conductive patch...
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US20080272980 |
Double Spiral Antenna
An antenna comprises a first antenna element, which has a first helix, and a second antenna element, which has a second helix. The first and the second antenna elements each have a feed point at an...
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US20080272981 |
Low Profile Helical Planar Radio Antenna with Plural Conductors
A low profile, compact planar antenna having an approximately flat, dual helical or helix shape is affixed to a supporting substrate. The resonant frequency of the device is determined by...
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US20080266203 |
Cooled helical antenna for microwave ablation
A microwave antenna assembly including an elongated cooling jacket having proximal and distal ends and an inner lumen defined therebetween and a helical microwave antenna member disposed within at...
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US20080246664 |
WIRELESS IC DEVICE
A wireless IC device includes a spiral line electrode portion and a first capacitance electrode connected to the inner end of the line electrode portion, which are disposed on the top surface of a...
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US20080231541 |
Circularly Polarized Antenna and Radar Device Using the Same
A circularly polarized antenna has a dielectric substrate, a ground conductor which is piled up one surface side of the dielectric substrate, a circularly polarized type of antenna element formed...
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US20080231542 |
Multi-frequency antenna
A portable electronic device with function of receiving and radiating radio frequency (RF) signal and a multi-frequency antenna thereof are disclosed. The portable electronic device comprises a RF...
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US20080224945 |
ANTENNA APPARATUS
An antenna apparatus includes a substrate having a GND pattern land and an electric power feed pattern land on a same surface, an outer element extending away from the land in a spiral shape, and...
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US20080218430 |
Dielectrically-loaded antenna
A dielectrically-loaded multifilar helical antenna has a ceramic cylindrical core and, on the core outer surface, coextensive generally helical conductors arranged in an opposing configuration....
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US20080204337 |
PORTABLE ANTENNA DEVICE
A portable antenna device includes a circuit board having a ground pattern, an antenna including a spirally wound external element and a spirally wound internal element coaxially disposed inside...
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US20080192451 |
Robust Mounting for Rfid Transponder Antenna
A strain-resistant electrical connection and a method of making the same is provided. An antenna ( 36, 38 ) or other conductive lead is connected to a circuit ( 32 ) in a manner that makes the...
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US20080180216 |
ANTENNA HAVING LOOP AND HELICAL STRUCTURE AND RFID TAG USING THE SAME
An antenna and a radio frequency identification (RFID) tag using the same are disclosed. The antenna includes: a radiating unit having a helical structure; and a feeding unit having a loop...
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US20080180350 |
BROADBAND ANTENNA
An antenna including a planar conductive track, which follows, from a first end intended to be connected to a radiofrequency transceiver circuit to a second free end, a serpentine-shaped pattern...
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US20080174512 |
Dielectrically-loaded antenna
A dielectrically-loaded helical antenna has a cylindrical ceramic core bearing metallised helical antenna elements which are coupled to a coaxial feeder structure passing axially through the core....
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US20080174501 |
Method and Apparatus for Quadrifilar Antenna with Open Circuit Element Terminations
A quadrifilar antenna having helical windings is fed by a phase shift feed network, each winding having an open circuit termination element, the phase shift feeding network having forward...
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US20080165073 |
OMNI-DIRECTIONAL HIGH GAIN DIPOLE ANTENNA
An omni-directional high gain dipole antenna includes a first rod antenna portion, a first helical antenna portion, a second rod antenna portion, a second helical antenna portion, and an impedance...
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US20080165072 |
HIGH GAIN ANTENNA AND MAGNETIC PREAMPLIFIER
An antenna and associated magnetic preamplifier for use with UHF and Microwave wireless telecommunications devices operating at frequencies of greater than 0.3 gigahertz. The antenna may include a...
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US20080158087 |
Integrated circuit antenna structure
An integrated circuit (IC) antenna structure includes a die, a package substrate, an antenna element, a ground plane, and a transmission line. The antenna element is on the die and/or package...
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