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34209results about "Radiating elements structural forms" patented technology

Ceramic antenna module and methods of manufacture thereof

ActiveUS20060092079A1Minimize reflection lossWithout adversely impacting radiation efficiencySimultaneous aerial operationsSolid-state devicesRF front endPermittivity
Circuit modules and methods of construction thereof that contain composite meta-material dielectric bodies that have high effective values of real permittivity but which minimize reflective losses, through the use of host dielectric (organic or ceramic), materials having relative permittivities substantially less than ceramic dielectric inclusions embedded therein. The composite meta-material bodies permit reductions in physical lengths of electrically conducting elements such as antenna element(s) without adversely impacting radiation efficiency. The meta-material structure may additionally provide frequency band filtering functions that would normally be provided by other components typically found in an RF front-end.
Owner:DE ROCHEMONT L PIERRE

Method and apparatus for implementation of a wireless power supply

An apparatus, for wirelessly powering a device having an enclosure for a charge storage component, includes a wireless power supply which fits into the enclosure. The apparatus includes an antenna connected to the wireless power supply. A battery. A cell phone cover for a cell phone. A headphone. A wireless power adapter for a DC jack. Alternatively, the apparatus includes a substrate having discrete components and integrated circuits disposed in the device. A method for wirelessly powering a device having an enclosure for a charge storage component.
Owner:POWERCAST

Compact diversity antenna system

The present invention provides a compact antenna system having multiple antennas exhibiting polarization and pattern diversity. The system comprises at least two antennas which may have different polarizations, operatively coupled to a passive element which operates as a Balun for a first antenna and which is configured to absorb and re-radiate electromagnetic radiation from the second antenna to produce a desired radiation pattern. The present invention also provides for additional antennas operatively coupled to the passive element or to the first antenna to provide additional diversity.
Owner:NETGEAR INC

Flexible Circuit for Downhole Antenna

An antenna for an electromagnetic tool having a longitudinal axis and a core. The antenna includes a flexible dielectric substrate flexibly conformed about the core and an electrical conductor disposed on the dielectric substrate. The electrical conductor is disposed on the substrate such that the antenna has a dipole moment having any desired direction relative to the longitudinal axis of the tool.
Owner:SCHLUMBERGER TECH CORP

Chip antenna and radio equipment including the same

A chip antenna comprising a basic body made of a ceramic material; a first conductor and a second conductor respectively disposed at least either inside or on the surface of the basic body so as to be close to each other; a feeding terminal for applying a voltage to the first conductor disposed on the surface of the basic body and connected to the first conductor; and a grounding terminal disposed on the surface of the basic body and connected to the second conductor.
Owner:MURATA MFG CO LTD

Switched multi-beam antenna

An antenna assembly includes a common reflector and multiple monopole type antenna elements positioned on a ground plane and fed with a switch assembly. The switch assembly is capable of feeding individual antennas as well as combining multiple antennas for improved radiation pattern coverage. Multiple antenna elements are placed around the common reflector to cover sectors of space around the antenna assembly to provide transmission and reception of radio frequency (RF) signals for mobile communication devices in a wireless network. The ground plane can be grounded or capacitively coupled to an existing circuit board or metal surface, allowing for reduced ground plane dimensions.
Owner:AIRGAIN INC

Integrated circuit with millimeter wave and inductive coupling and methods for use therewith

A circuit includes a plurality of integrated circuits or dies having corresponding circuits, the plurality of integrated circuits or dies include a first plurality of integrated circuits or dies having corresponding millimeter wave interfaces and a second plurality of integrated circuits or dies having corresponding inductive interfaces. The first plurality of integrated circuits or dies communicate first signals therebetween via the corresponding millimeter wave interfaces and the second plurality of integrated circuits or dies communicate second signals therebetween via the corresponding inductive interfaces.
Owner:AVAGO TECH INT SALES PTE LTD

Dual Band Stacked Patch Antenna

One or more of the embodiments of a dual band stacked patch antenna described herein employ an integrated arrangement of a global positioning system (GPS) antenna and a satellite digital audio radio service (SDARS) antenna. The dual band antenna receives right hand circularly polarized GPS signals in a first frequency band, left hand circularly polarized SDARS signals in a second frequency band, and vertical linear polarized SDARS signals in the second band. The dual band antenna includes a ground plane element, an upper radiating element (which is primarily utilized to receive SDARS signals), dielectric material between the ground plane element and the upper radiating element, and a lower radiating element (which is primarily utilized to receive GPS signals) surrounded by the dielectric material. The dual band antenna uses only one conductive signal feed to receive both GPS and SDARS signals.
Owner:GM GLOBAL TECH OPERATIONS LLC

Multi-band radiating elements with composite right/left-handed meta-material transmission line

Dual-band and multi-band radiating elements are described based on composite right / left-handed (CRLH) meta-material transmission line (TL). These elements can operate as resonators and / or antennas depending on feed-line configuration. The radiating elements are based on the fundamental backward wave supported by a composite right / left-handed (CRLH) meta-material transmission line (TL). Unit-cells of the transmission line comprise conductive patches coupled through vias to a ground plane. The physical size and operational frequencies of the radiating element is determined by the unit cell of the CRLH meta-material. This radiating element is configured for monopolar radiation at a first resonant frequency and patch-like radiation at a second resonant frequency. The first and second resonant frequencies are not constrained to a harmonic relationship.
Owner:RGT UNIV OF CALIFORNIA

Microstrip antenna for an identification appliance

An identification appliance, such as a wristband, bracelet, patch, headband, necklace, card, sticker, or other wearable appliance, has an improved patch or microstrip antenna. The microstrip antenna comprises a conductive patch layer, a conductive ground layer and a dielectric layer in between the conductive layers. The microstrip antenna is mounted to or disposed in the identification appliance, where preferably the ground layer is closest to the user and the patch layer is furthest from the user. Electronic circuits may be located in the dielectric layer, on a surface of a conductive layer, or on another part of the identification appliance. Connecting holes through the dielectric layer may allow circuits to be connected to a conductive layer or layers. This improved antenna resolves detuning and communication degradation problems.
Owner:PRECISION DYNAMICS CORPORATION

Antenna arrays formed of spiral sub-array lattices

A antenna array (20) includes a plurality of periodic or aperiodic arranged sub-arrays (22). Each sub-array (22) includes a plurality of antenna elements (32) arranged in the form of a spiral (30). The sub-arrays (22) can comprise various spiral shapes to provide the required physical configuration and operational parameters to the antenna array (20). The elements (32) of each sub-array (22) are arranged to minimize the number of such elements (32) that intersect imaginary planes perpendicular to the spiral and passing through the spiral center. Such an orientation of the elements (32) minimizes grating lobes in the antenna pattern.
Owner:HARRIS CORP

Plasma processing system, antenna, and use of plasma processing system

A plasma processing system 10 includes a processing chamber 100, a microwave source 900 that outputs a microwave, an inner conductor of a coaxial waveguide 315a that transfers the microwave, a through-hole 305a, a dielectric plate 305 that transmits the microwave transferred through the inner conductor 315a and discharges it into a processing chamber 100, and a metal electrode 310 that is coupled to the inner conductor 315a via the through-hole 305a, the metal electrode 310 being exposed on the surface of the dielectric plate 305 that faces the substrate with at least a portion of the metal electrode 310 being adjacent to the surface of the dielectric plate 305 that faces the substrate. A surface of the exposed surface of the metal electrode 310 is covered by the dielectric cover 320.
Owner:TOKYO ELECTRON LTD +1

Method and apparatus for insuring integrity of a connectorized antenna

InactiveUS6853197B1Verifies the integrity of an antennaNot easily removed and modifiedResistance/reactance/impedenceAntenna supports/mountingsElectrical resistance and conductanceTransceiver
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 transceiver based on the value. In one embodiment, electronic component is a resistor having a value that identifies the antenna properties. A table may be used to correlate resistor values to different types of antennas or sets of antenna properties. Alternatively, the circuit can be embodied in a microchip that provides a response to a challenge sent by the read mechanism. The response encodes the properties of the antenna. The encoding scheme includes values from the challenge. Alternatively, the response is a code that is indexed into a table of antenna properties. In one embodiment, the antenna is connectorized.
Owner:QUALCOMM INC

Microstrip antenna for RFID device

Microstrip patch antenna (46), feed structure (48), and matching circuit (50) designs for an RFID tag (10). A balanced feed design using balanced feeds coupled by a shorting stub (56) to create a virtual short between the two feeds so as to eliminate the need for physically connecting substrate to the ground plane. A dual feed structure design using a four-terminal IC can be connected to two antennas (46a,46b) resonating at different frequencies so as to provide directional and polarization diversity. A combined near / field-far / field design using a microstrip antenna providing electromagnetic coupling for far-field operation, and a looping matching circuit providing inductive coupling for near-field operation. A dual-antenna design using first and second microstrip antennas providing directional diversity when affixed to a cylindrical or conical object, and a protective superstrate (66). An annual antenna (46c) design for application to the top of a metal cylinder around a stem.
Owner:UNIVERSITY OF KANSAS

Radio frequency identification transponder antenna

A RFID transponder having a microchip or integrated circuit, an impedance-matching structure and a resonant structure mounted on at least one substrate and connected to each other by an electric field.
Owner:SMARTRAC TECHNOLOGY GMBH
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