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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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7598919 |
Pick-up horn for high power thermal vacuum testing of spacecraft payloads
A pick-up horn for absorbing radiation emitted by a transmit antenna is provided. The pick-up horn includes at least one outer metal wall forming a metal body and at least one interior surface...
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7592959 |
Radio frequency interference suppression enclosure
A method and apparatus for RF suppression is disclosed. The method comprises the steps of mounting a first RF antenna into an RF suppression enclosure. The RF suppression enclosure has an opening...
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7586450 |
Device for transmitting and/or receiving high-frequency signals in an open or closed space system
A device for transmitting and/or receiving high-frequency signals in an open or closed, spatial system, wherein the device is embodied as an array antenna, which transmits and receives...
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7583229 |
Method for detection of faulty antenna array elements
A method for early detection of faulty antenna arrays comprising the step of treating said detection as a special case of target recognition; wherein targets of interest are all previous examples...
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7555295 |
System for determining radiated radio frequency (RF) receiver sensitivity and related methods
A test method is described for determining radiated radio frequency (RF) receiver sensitivity may include determining a bit error rate (BER) versus traffic channel (TCH) power level function for an...
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7555294 |
System for determining total isotropic sensitivity (TIS) and related methods
A test method for determining total isotropic sensitivity (TIS) of a mobile wireless communications device including a radio frequency (RF) receiver and an antenna coupled thereto may include...
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7541995 |
Electromagnetic signal proximity detection systems and methods
Various methods and systems directed to electromagnetic signal proximity detection are disclosed. For example, an EM detector may include an antenna array for sensing electromagnetic radiation...
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7541994 |
Refractive compact range
A radio-frequency-device test range (the Refractive Compact Range) includes a physical space having a source zone for placing an antenna or array of antennas, and a test zone for placing a sensor...
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7535425 |
Method and system for generating three-dimensional antenna radiation patterns
A method and system for generating three-dimensional antenna patterns from two-dimensional cross sections. The method involves an estimate ( 1006 ), on a given vertical plane, obtained by rotating...
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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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7521680 |
Electromagnetic spectral-based imaging devices and methods
This invention teaches how to fabricate a new type of full-spectra wavelength detector and spectrum analyzer in the form of antennas that make use of the wave properties of light. The detector's...
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7511617 |
Electronic shipping label with updateable visual display
A novel shipping label is described that includes an electronically updateable visual display that can be updated throughout the shipping process to provide routing instructions to package...
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7511511 |
Specific absorption rate measuring system, and a method thereof
A biological tissue equivalent phantom unit to be used by the specific absorption rate measuring system for evaluating absorption of electromagnetic wave energy includes a biological tissue...
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7505766 |
System for determining conducted radio frequency (RF) receiver sensitivity and related methods
A test method for determining conducted radio frequency (RF) receiver sensitivity using an RF source coupled to an RF receiver by an RF cable may include determining a bit error rate (BER) versus...
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7477877 |
GSM radiated sensitivity measurement technique
A method and apparatus for calculating the radiated sensitivity of a mobile terminal positioned in multiple test orientations for multiple combinations of frequency channel and mobile terminal...
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7444264 |
Method and an apparatus for measuring the performance of antennas, mobile phones and other wireless terminals
An apparatus and a method are for measuring the radiation efficiency of antennas and the communication power of mobile and wireless terminals. The apparatus includes a chamber to enclose the...
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7440766 |
Method for employing multipath propagation in wireless radio communications
A method of employing multipath propagation in wireless radio communications uses an omnidirectional transmitting/receiving antenna at one end of a transmission link to send an interrogating signal...
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7373105 |
Method of determining communication link quality employing beacon signals
A method of determining communication link quality includes the steps of: providing communications stations (e.g., UHF communications satellites, base stations of a terrestrial cellular network)...
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7358908 |
System and method for regulating antenna electrical length
A system and method are provided for regulating the electrical length of an antenna. The method comprises: communicating transmission line signals at a predetermined frequency between a transceiver...
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7346477 |
Testing a station's response to a reduction in wireless signal strength
Techniques for testing a station, such as a wireless-enabled device, are described. A first method relates to evaluating a station configured to communicate with at least one access point. Another...
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7336230 |
Method for measuring electromagnetic radiation pattern and gain of radiator using term waveguide
A method for measuring electromagnetic radiation pattern and gain of radiator using TEM waveguide is disclosed. The method includes the steps of: a) measuring powers of output port of a transverse...
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7295164 |
Control of the fresnel maximum of an aperture antenna
The maximum peak power density of an aperture antenna that occurs in the near field region relative to the average power density concentration at other ranges within the entire near field is...
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7280078 |
Sensor for detecting high frequency signals
A sensor that senses incident RF signals is provided. The sensor is capable of sensing signals in the Gigahertz (GHz) and Terahertz (THz) range. The sensor may utilize one or more cantilevers, an...
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7280077 |
System and method for measuring radiation characteristic of antenna
An antenna measurement system is provided to measure the radiation characteristic of a source antenna ( 2 ), and obtain more correct far-field range data within a short period of time. The antenna...
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7277677 |
Control device for antenna matching circuit
A control device for an antenna matching circuit is configured to output an adjusting signal for changing impedance of an element in the antenna matching circuit based on change over time in signal...
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7268564 |
Apparatus for measuring specific absorption rate of radio communication apparatus
In an apparatus for measuring a specific absorption rate (SAR), a first near magnetic field distribution of a radio wave radiated from an array antenna of a reference antenna including a plurality...
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7239243 |
RFID tag imager
In one embodiment, a system for obtaining an image of an RFID tag comprising a transponder and a tag antenna is provided, the system comprising: a plurality of inductors, each inductor being...
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7236750 |
Techniques for correcting for phase and amplitude offsets in a MIMO radio device
Techniques to correct for phase and amplitude mismatches in a radio device in order to maintain channel symmetry when communicating with another device using MIMO radio communication techniques....
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7218273 |
Method and device for boresighting an antenna on a moving platform using a moving target
A technique for boresighting an antenna mounted on a moving platform is described. The technique uses a concurrently moving calibration target. Target navigation data and platform navigation data...
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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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7170467 |
Antenna couplers and method of production
A method of producing an antenna coupler for placement on an antenna under test (AUT) having an aperture. This method includes the steps of constructing a probe from a section of RF hard-line stock...
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7170457 |
Mobile electromagnetic compatibility (EMC) test laboratory
A laboratory has a mobile housing, a testing apparatus, a shielding unit and a first/second testing set. The housing has a top, an interior space and a shielding baffle formed inside the interior...
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7167133 |
Electromagnetic wave measuring apparatus
According to the present invention, a small-sized electromagnetic wave measuring apparatus is provided which can simply measure an electromagnetic wave radiated from an antenna to be measured. The...
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7161544 |
Mobile terminals including a built-in radio frequency test interface
A radio frequency test interface for an electronic device includes a circuit board that includes a radio frequency contact. An antenna includes a resilient member that urges the antenna to engage...
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7133645 |
Transceiver with optimal antenna direction indicators
A wireless access point includes, in one embodiment, circuitry with a radio transceiver that determines substantially optimal antenna orientation for one or more radio hosts with which an access...
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7132997 |
Narrow-directivity electromagnetic-field antenna probe, and electromagnetic-field measurement apparatus, electric-current distribution search-for apparatus or electrical-wiring diagnosis apparatus using this antenna probe
Multiple monopole antennas or loop antennas for generating electromagnetic fields whose phases become opposite to the phase of an electromagnetic field that the conventional single monopole antenna...
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7129839 |
Device for monitoring an area
The present invention relates to a monitoring device ( 1 ) with a transmitter unit ( 2 ) and a receiver unit ( 3 ) for monitoring an area. Slotted cables serve as antennas. According to the...
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7113136 |
Integrated dual function circuitry and antenna system
A trim panel for a vehicle containing a vehicular antenna system comprising a substrate, an outer skin and a foam disposed between the substrate and the outer skin. An antenna/circuitry system ( 2...
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7109932 |
Antenna efficiency test device
The present invention provides, an antenna test device to test antenna efficiency. The test device includes a cavity formed by at least one conductive sidewall. The cavity contains at least one...
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7109931 |
Method and apparatus to control an antenna efficiency test device
The present invention provides a method to measure antenna efficiency using the cavity method. In particular, the present invention provides a tunable cavity that can be tuned to avoid the anti...
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7091859 |
Package-integrated RF relay
Containers for holding goods are provided with a relay conductive structure for relaying RFID tags signals from one side of the container to another. The conductive structure includes a first...
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7085592 |
Wireless transmission evaluation system and method
A signal testing system and method for evaluating wireless communication signals transmitted between a base station and a communication site is provided. The signal testing system comprises an...
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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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7076213 |
Apparatus and method for testing voltage standing wave ratio in a W-CDMA mobile communication system
An apparatus and method for testing a voltage standing wave ratio (VSWR) in a wideband code division multiple access (W-CDMA) mobile communication system. Upon detecting a VSWR test request, a...
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7068231 |
Wide-band tapered-slot antenna for RF testing
Methods and apparatus for testing wireless devices. Devices being tested receive and transmit radio frequency test signals. These radio frequency test signals are received or transmitted using an...
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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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7042406 |
Method and apparatus for insuring integrity of a connectorized antenna
An antenna is provided with an electronic component or circuit that has a value corresponding to properties of the antenna. A read mechanism reads the value and sets an operational status of a...
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7038629 |
Antenna coupler
The invention relates to an antenna coupler ( 1 ) for testing mobile transmitters and/or receivers, in particular mobile telephones ( 2 ). Said coupler has a receiving element ( 4 ) and/or a...
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7038623 |
Method and apparatus for detecting radiation at one wavelength using a detector for a different wavelength
An apparatus includes a resonator portion responsive to electromagnetic radiation within a frequency range, a converter portion responsive to radiation received by the resonator portion for...
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