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Document Title |
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7615188 |
Apparatus for measuring absorbed power
In an apparatus for measuring absorbed power including an electromagnetic field probe 1 fixedly mounted within a head simulation phantom 2 which simulates the configuration and the...
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7593708 |
Methods of operating electronic devices, and methods of providing electronic devices
Some embodiments include a method disposing an integrated circuit die within a housing, the integrated circuit die having integrated circuitry formed thereon, the integrated circuitry including...
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7566889 |
Reflective dynamic plasma steering apparatus for radiant electromagnetic energy
A combination of radio frequency energy responsive and infrared energy responsive reflection based plasma radiant energy steering apparatus usable in directing radiant energy originating in for...
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7559477 |
Low voltage signal stripping circuit for an RFID reader
A reader of an RFID system has excitation circuitry for generating a higher voltage excitation signal, receiving circuitry for reading a lower voltage transponder signal and an antenna coupled with...
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7528698 |
Multiple antenna energy harvesting
Energy harvesting circuits and associated methods are provided that employ multiple antennas to optimize the amount of energy that is harvested while at the same time making efficient use of tag...
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7482981 |
Corona wind antennas and related methods
A communications device includes a housing, an ionized air stream generator carried by the housing for generating an ionized air stream, and an ionized air chamber carried by the housing for...
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7463905 |
Cellular telephony mast cable reduction
In cellular telephony, a plurality of communication signals which are received at a base station for wireless transmission are multiplexed onto a single physical medium which runs up a mast. This...
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7456791 |
Method of emitting an electromagnetic signal, and associated antenna
The invention relates to the field of antennas and relates in particular to an generator of a laser radiation and means for coupling an electrical signal to this laser radiation, said antenna being...
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7453403 |
Tunable plasma frequency devices
A reduced noise and selectively configurable plasma device is capable of interpreting electromagnetic signals having an operating frequency and has a plasma mechanism with a plasma that is...
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7440780 |
Recharging method and apparatus
The present invention provides apparatus and an associated method for remotely energizing power storage devices. Energization may preferably be effected through the use of RF energy from a base...
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7428431 |
Extendable antenna and speaker box
A wireless communication device includes a housing, and a retractable combination speaker box and antenna mechanism operably coupled with the housing. The retractable combination speaker box and...
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7414517 |
Radio frequency identification transponder
A radio frequency identification transponder includes a power supply and a dynamic memory array that stores data. When power from the power supply ceases, the data in the dynamic memory array is...
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7379023 |
Antenna device, radio-wave receiver and radio-wave transmitter
An antenna device includes a plane-type antenna element, a heat insulation container for blocking heat entering from the outside, the heat insulation container having a radio-wave window allowing a...
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7342549 |
Configurable arrays for steerable antennas and wireless network incorporating the steerable antennas
An reconfigurable array of variable conductive elements is provided for reflecting, filtering and steering electromagnetic radiation across a wide range of frequencies. The reconfigurable array is...
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7288873 |
Device for emission of high frequency signals
A device for emission of high frequency signals is provided. The emission device is capable of emission of signals in the Gigahertz (GHz) and Terahertz (THz) range. The device may utilize, for...
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7274333 |
Pulsed plasma element
A method of operating a plasma antenna, reflector, director, and barrier, where the plasma antenna is pulsed at a pulse power for a pulse duration and a pulse frequency to energize a plasma within...
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7262734 |
Apparatus and method for generating a fluid antenna
A fluid antenna generator includes a first source of electrically conductive fluid and a second source of electrically conductive fluid. The first source and the second source are oriented such...
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7254373 |
Antenna diversity based on packet errors
A wireless transceiver including multiple antennas, an antenna switch, and a media access controller that controls the antenna switch for determining when to switch to another antenna based on...
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7221323 |
Tag-along microsensor device and method
A tag-along microsensor device comprises a means for transmitting a signal, adhesion means, and sensing means. In a preferred embodiment, a means for transmitting a signal includes a nano-antenna...
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7186377 |
Absorption power measuring device
In an apparatus for measuring absorbed power including an electromagnetic field probe 1 fixedly mounted within a head simulation phantom 2 which simulates the configuration and the...
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7180472 |
Quadrifilar helical antenna
An antenna having a plurality of elongated conductors is disclosed. The elongated conductors have a substantially straight portion and a substantially helical portion.
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7145512 |
Reconfigurable plasma antenna with interconnected gas enclosures
A reconfigurable antenna comprises an array of interconnected gas enclosures, each of the enclosures being controllable between at least a first state in which gas within the enclosure is...
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7141781 |
Efficient high-frequency energy coupling in radiation-assisted field emission
An improved device, method, and system efficiently couple high-frequency energy from radiation-assisted field emission. A radiation source radiates an emitting surface with an electromagnetic...
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7109934 |
Rectifier utilizing a grounded antenna
A rectifier generates a rectified output and a dc power output. The rectifier has an antenna element, a tuning capacitor, a coupling capacitor, first and second rectifying diodes, and a storage...
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7098599 |
Plasma generator
The whole antenna conductor is housed in the interior of a vacuum container of a plasma generator thereby to eliminate the need for an insulating partition or a top plate so that the whole...
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7084605 |
Energy harvesting circuit
A station having a means for receipt of ambient energy from the environment and energizing power storage devices of objects of interest comprising one or more antennae and circuitry for converting...
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7068225 |
Nano-antenna apparatus and method
A nano-antenna apparatus (or equivalently a nano-antenna device) comprises a first conducting surface, a second conducting surface, a gap region between a first conducting surface and a second...
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7068226 |
Pulsed plasma antenna
A method and device of energizing a plasma antenna using power from the discharge of an electopropulsion engine and comprising a propellant and feed system, a capacitor charging power processing...
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7057514 |
Antenna on a wireless untethered device such as a chip or printed circuit board for harvesting energy from space
A wireless untethered device which may be an integrated circuit chip or printed circuit board having at least one integrated antenna and circuitry operatively associated with the antenna for...
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7053838 |
Antenna structure and installation
An antenna system installation comprising a tower/support structure, and an antenna structure mounted at the top of said tower/support structure, said antenna structure comprises a plurality of...
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7020443 |
System for measuring a radio frequency signal in a wireless station and a wiring board switch
The invention relates to a method for measuring a radio frequency signal in a wireless station ( 1 ). In this method, radio frequency power is measured by means of testing equipment ( 6, 7, 12 ),...
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6987489 |
Electronically scanning direction finding antenna system
An electronic scanning radio direction finding system for accurate direction finding of radio frequency signals using singly or doubly flared cylindrical reflectors surrounded by a circular array...
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6987484 |
Detector for electromagnetic radiation and a method of detecting electromagnetic radiation
A detector for detecting electromagnetic radiation, especially for electromagnetic radiation in the GHz or THz range. The detector comprises a semiconductor structure having a 2D charge carrier...
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6922173 |
Reconfigurable scanner and RFID system using the scanner
A scanner has plasma loop or plasma window antennas for selectively scanning for ID tags along distinct radials of the scanner. Scanner elements are made electromagnetically invisible to adjacent...
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6917336 |
Miniature ultra-wideband active receiving antenna
According to some aspects of this invention, a compact, broadband active receiving antenna uses one or more high transconductance transistors such as Field Effect Transistor(s) paired with another...
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6882338 |
Electrographic position location apparatus
Antenna devices and apparatuses using the antenna devices are disclosed. In one embodiment, the antenna device includes a first plate structure and a second plate structure. A conductive member is...
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6876330 |
Reconfigurable antennas
An antenna element comprising at least two conductive elements, and a fluid (e.g., gas or vapor) filled bulb or tube positioned between the conductive elements is provided. The fluid is capable of...
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6856291 |
Energy harvesting circuits and associated methods
An inherently tuned antenna has a circuit for harvesting energy transmitted in space and includes portions that are structured to provide regenerative feedback into the antenna to produce an...
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6842147 |
Method and apparatus for producing uniform processing rates
An antenna arrangement for generating an rf field distribution at a plasma generating region inside a chamber wall of a process chamber of a plasma processing apparatus is described. The antenna...
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6842146 |
Plasma filter antenna system
An antenna system for receiving electromagnetic waves of predetermined frequency range is disclosed comprising an antenna configured for receiving electromagnetic waves; and a plasma filter...
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6812895 |
Reconfigurable electromagnetic plasma waveguide used as a phase shifter and a horn antenna
Phase shifting plasma electromagnetic waveguides and plasma electromagnetic coaxial waveguides, as well as plasma waveguide horn antennas, each of which can be reconfigurable, durable, stealth, and...
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6806833 |
Confined plasma resonance antenna and plasma resonance antenna array
A plasma antenna includes a plasma column formed of an ionizable gas. A modulating carrier frequency produces Hertzian dipoles within the plasma that radiate RF energy at the modulating carrier....
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6727856 |
Antenna system for a wireless device
An enclosure for a wireless device is described which may be used as the device's antenna. In one embodiment, the enclosure is comprised of two charged front and back conducting plates which...
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6710746 |
Antenna having reconfigurable length
The present invention is drawn to an antenna having a reconfigurable length, and a method of reconfiguring an antenna. The antenna can comprise an enclosed composition capable of forming plasma...
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6700544 |
Near-field plasma reader
A near-field plasma reader detects magnetic induction interference with objects having corresponding sensed loops to provide detection and communication between the reader and objects incorporating...
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6680710 |
Crossed-loop radiation synthesizer systems
Radiation synthesizer systems provide efficient wideband operation with loop antenna elements which are small relative to operating wavelength. Energy dissipation is substantially reduced by...
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6674407 |
Laser beam frequency collection device
A laser beam frequency collection device including an emitting unit secured to a house or a vehicle. The emitting unit is in communication with an electronic medium disposed within the house or...
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6674970 |
Plasma antenna with two-fluid ionization current
A plasma antenna is provided having an ionizer, which when energized, generates a bounded or unbounded plasma column extending along a vertical axis. When ionization is initiated, the difference in...
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6657594 |
Plasma antenna system and method
An antenna system and method for a plurality of plasma antennas driven by means of an optical driver. In one embodiment the driver comprises one or more lasers which may be modulated by one or more...
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6650297 |
Laser driven plasma antenna utilizing laser modified maxwellian relaxation
A laser driven plasma antenna system utilizes a laser having an output for emitting a laser beam that is directed toward and is reflected from the ionosphere so as to produce an ionized column of...
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