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6429831 |
Laminate RFID label and method of manufacture
A laminated label has a first conductive material defining electrical attachment pads; a dielectric material surrounding the attachment pads; a second conductive material deposited on the...
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6422472 |
Memory card of the contactless type
A contactless memory card that includes a card body ( 1 ), an integrated circuit ( 3 ) embedded in the card body, and a coupling antenna ( 4 ) connected to two contact pads ( 6 ) of the integrated...
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6424317 |
High efficiency broadband antenna
An antenna includes at least two planar conductors cooperatingly arranged in a planar configuration having a bifilar spiral winding structure, a log-periodic structure or a sinuous configuration...
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6424302 |
Simplified dual-frequency antenna for mobile phone
A simplified dual-frequency antenna for mobile phone includes an integrally stamped thin metal conductor to function as a frequency-control structure of the antenna. An upper end of the stamped...
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6424316 |
Helical antenna
An antenna for use at UHF and upwards has a cylindrical ceramic core with a relative dielectric constant of at least 5. A three-dimensional radiating element structure, including helical antenna...
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6424315 |
Semiconductor chip having a radio-frequency identification transceiver
A miniature radio-frequency identification (RFID) transceiver and a method for making the same are provided. The RFID transceiver is small in size and physically rugged. The RFID transceiver...
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6424301 |
Combination battery holder and antenna for keyfob
A combined battery holder and antenna is utilized into a remote signaling device, or keyfob for a vehicle. The battery holder receives the battery at an inner peripheral surface of a bobbin body....
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6423915 |
Switch contact for a planar inverted F antenna
A switch contact for a wireless communication device is disclosed which is comprised of a generally U-shaped spring contact positioned between a printed circuit board and a planar inverted F...
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6421016 |
Antenna system with channeled RF currents
An improved antenna system to channel counterpoise currents for an unbalanced antenna such as a helical monopole. A first conductor, or ground resonator, is coupled to a ground connection near the...
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6421028 |
Dual frequency quadrifilar helix antenna
A mechanically simple dual-frequency (or wide band) quadrifilar helix antenna ( 1 ). It includes four helix shaped radiating elements ( 2-5 ) where each helix element consists of two or more...
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6421015 |
Planar helix antenna with two frequencies
A planar helix antenna with two frequencies, comprising a circuit board with suitable area and thickness and an upper and a bottom surface on which several microstrip antenna sections are disposed...
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6421013 |
Tamper-resistant wireless article including an antenna
A wireless article, such as an identification tag or badge, includes an electronic device mounted on a substrate and connected a loop antenna for receiving and/or transmitting radio frequency...
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6421029 |
Helical antenna with connector and fabrication method of the same
A helical antenna includes an element, a feeder circuit, and a connector that connects the element and feeder circuit. The element includes a cylindrical member composed of a dielectric and a...
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6421020 |
Vehicle antenna assembly for receiving satellite broadcast signals
An apparatus, system and method for providing audio broadcast signals received from a satellite to a satellite radio receiver. A window clip having an integral transmission line is mounted on the...
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6417812 |
Electrical connector incorporating antenna
An RJ-45 receptacle connector ( 3, 6 ) supports an antenna assembly ( 2, 7 ) therein. The antenna assembly comprises a coaxial cable portion ( 19, 90 ), an antenna portion ( 14, 8 ) electrically...
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6417808 |
Transceiver including antenna apparatus which is compactly accommodated in body of transceiver
A transceiver includes a body, a first antenna fixed to the body, a bar antenna, an insulating section coupled to the bar antenna and a second antenna coupled to the insulating section. The bar...
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6414638 |
Antenna for radio telephone
Provides an antenna for a radio telephone whereby, in a state wherein the rod-shaped antenna is extended to outside the case of the radio telephone, the effects of the human body are negligible and...
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6407720 |
Capacitively loaded quadrifilar helix antenna
A quadrifilar helix antenna is provided having a feedpoint for the antenna connecting to individual helical antenna elements. Each antenna element comprises a normal helix element with a plurality...
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6407709 |
Mounting device with integrated antenna
A mount for mounting an electronic device, such as a GPS device, has an integrated antenna. In particular, the mount includes a mounting bracket and a base, to which the mounting bracket is...
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6407721 |
Super thin, cavity free spiral antenna
A super thin, cavity free spiral antenna includes a radiating element having a first spiral arm and a second spiral arm formed on a front surface of a first dielectric substrate. In addition, the...
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6404406 |
Antenna having a wide bandwidth
An antenna includes antenna elements for transmitting and receiving signals. The antenna elements have a helical shape and are disposed parallel to one another. The antenna elements are...
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6400326 |
Antenna booster system for automobile
An antenna system for an automobile uses an external antenna that is either connected to the cell phone directly, or connected to a passive antenna that communicates with the cell phone.
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6400339 |
Antenna device comprising capacitively coupled radiating elements and a hand-held radio communication device for such antenna device
The object of the present invention is to achieve an antenna for both receiving and transmitting circularly polarized RF signals which is smaller and lighter than prior art antennas as well as to...
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6400323 |
Antenna coil for IC card and manufacturing method thereof
An antenna coil for an IC card includes a base material of a resin film having the thickness of at least 15 μm and at most 70 μm, and a circuit pattern layer formed on a surface of the base...
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6396460 |
Chip antenna
The present invention relates to a chip antenna which comprises a substrate, a feeding pad, a feeding conductor, a matching unit, and a meandering conductor. The substrate formed with a dielectric...
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6396439 |
Method for controlling the radiation pattern of an antenna means, an antenna system and a radio communication device
A method for controlling the radiation pattern of an antenna means comprising N helically configured radiating elements, where N is an integer greater than 1, an antenna system, comprising N...
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6392599 |
Communication antenna and equipment
A communication antenna ( 10 ) having a driven element ( 16 ) extending between a feed point ( 13 ) and an attachment point ( 15 ) to a top loaded element in which the driven element ( 16 ) is...
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6388625 |
Antenna device and mobile communication unit
An antenna device used in mobile communication apparatus such as cellular phones, and which achieves good transmission and reception of information in more than one frequency band. Easy and wide...
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6388626 |
Antenna device for a hand-portable radio communication unit
An antenna device for a hand-portable radio communication unit including a casing with a ground plane means cooperating with the antenna device. The antenna device comprises first and second...
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6384798 |
Quadrifilar antenna
A quadrifilar antenna for use in satellite communications comprises four conductive elements arranged to define two separate helical pairs, one slightly differing in electrical length than the...
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6384799 |
Antenna having a helical antenna element extending along a cylindrical flexible substrate
In an antenna for use in a mobile communication apparatus and having a helical antenna element ( 40 ) of a helical shape, the helical antenna element is mounted on a flexible substrate ( 1 )...
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6380897 |
Portable radio telephone
A portable radio telephone having an antenna which can be pivoted between a first position in which it projects from a surface of the telephone and a second position in which it projects from the...
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6380900 |
Antenna apparatus and wireless communication apparatus
An antenna apparatus and a wireless communication apparatus are proposed by the present invention to reduce an absorption factor of electromagnetic waves absorbed by a human body during the...
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6377226 |
Dual band antenna
A dual band antenna for a mobile communication system which includes: a metal tube having an open end; a coaxial feed line having inner and outer conductors, with one portion of the coaxial line...
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6373447 |
On-chip antenna, and systems utilizing same
One or more antennas are formed on an integrated circuit (IC) chip and connected to other circuitry on the IC chip. Antenna configurations include loop, multi-turn loop, square spiral, long wire,...
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6373708 |
Contactless IC card
The pattern line width of a coil is partially widened in a predetermined dimension and wiring patterns of a coil on the surface side and a coil on the rear side are arranged so as not to be in...
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6373448 |
Antenna for broadband wireless communications
A helical antenna includes an elongate core attached to a back plate, and a radiating element in the shape of a helix that rests in a helical groove formed in an exterior major surface of the...
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6369778 |
Antenna having multi-directional spiral element
An antenna having multi-directional elements includes a conductive trace in the form of a spiral pattern having linear segments extending across multiple planes angularly disposed with respect to...
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6369775 |
Antenna assembly and multiband stubby antenna
A preferred compact antenna assembly of the invention includes a nonconductive hollow core plug. The core plug has a recessed pattern on an outside surface into which a helical radiator is wound....
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6369764 |
Extendible whip antenna assembly with a whip antenna having a notched stopper
An extendible whip antenna assembly ( 37 ) is provided with a combination of a helical antenna ( 39 ) mounted on an outer surface of a housing of a radio communication equipment, and a whip antenna...
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6369762 |
Flat antenna for circularly-polarized wave
A ground conductor plane 1 and an excitation electrode 2 are provided substantially in parallel with each other. Two electrodes 3 a and 3 b for respectively radiating a linearly-polarized...
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6369777 |
Antenna device and method for manufacturing the same
Relating to an antenna device used in wireless unit for mobile communication or the like, it is an object to present an antenna device hardly causing uneven pitch or deformation of antenna...
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6366247 |
Antenna device and portable radio set
The present invention makes it possible to realize an antenna device and a portable radio set capable of greatly reducing the deterioration of antenna characteristics while used near a human body...
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6362792 |
Antenna apparatus and portable radio set
An antenna that functions as an approximately balanced antenna that is structurally asymmetric but electrically symmetric includes a first antenna element that is extendable and retractable, a...
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6362796 |
Broadband antenna
An antenna comprises a dielectric sheet, a pair of conductive feed stems facing one another on opposite sides of the sheet, and a plurality of conductive antenna elements extending away from each...
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6362790 |
Antenna array structure stacked over printed wiring board with beamforming components
A miniaturized directional antenna for use with system to provide data communication over wireless radio channels. The unit supports multiple antenna elements with a known orientation with respect...
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6359599 |
Scanning, circularly polarized varied impedance transmission line antenna
The present invention features a cross-element, steerable, scanning meander line loaded (MLA) antenna with circular polarization. The transmission lines comprise a plurality of alternating or...
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6359598 |
Plastic or die-cast antenna for a wireless communications device
An antenna is described for use with a wireless communications device wherein the antenna comprises a helical radiator having a connector at one end thereof with the helical radiator and connector...
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6359592 |
Minimum frequency shift telescoping antenna
A telescoping antenna ( 102 ) has a mast element ( 200 ) with first and second ends ( 204, 222 ), the first end ( 204 ) being mounted on a cellular telephone housing ( 206 ) and establishing...
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6356244 |
Antenna device
An antenna device comprises an antenna section and a filter section which are formed in an integrated manner in a dielectric substrate, wherein the antenna section and the filter section are...
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