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Patent Searching and Data


Matches 351 - 400 out of 2,785

Document Document Title
WO/2005/078862A1
A multi-band antenna includes an elongated first antenna element and one or more elongated further antenna elements extending in parallel spaced relationship with the first antenna element. A dielectric extends between the first antenna ...  
WO/2005/078922A1
An automatic matching and tuning unit (AMTU), which connects the output from a low or medium frequency, high power radio transmitter, to an antenna with a complex input impedance. The transmitter requires a resistive 50-ohm terminating i...  
WO/2005/078863A1
A spheroidal antenna, having a spheroidally configured winding. The winding comprises a three-dimensional spiral about an axis with the radius of turns of the winding progressively increasing and then decreasing. The winding may be of a ...  
WO/2005/074124A1
The invention relates to an adjusting circuit for adjusting an amplitude of a radio frequency signal. The adjusting circuit comprises a plurality of terminals for input and output, a matching component having an effect on matching a sign...  
WO/2005/073749A1
The invention relates to a device for finding objects using a searching unit and a locating aid (1) fixed to the object to be found, the searching unit and locating aid (1) respectively comprising an omnidirectional antenna, a power supp...  
WO/2005/071790A2
Method, systems, and articles of manufacture for assigning priority to antenna are disclosed. In accordance with a preferred embodiment of the invention, reader antenna (151, 152, 153) identify the location of an object by detecting a ta...  
WO/2005/069442A1
A wideband meander line loaded antenna is configured to be flush mounted to a conductive surface serving as a ground plane by embedding the meander line components within a conductive cavity surrounded at its top edge by the ground plane...  
WO/2005/013536A3
A method for outer loop power control in a wireless communication system begins by determining if a cyclic redundancy check (CRC) is available. If the CRC is available, the method uses the CRC to calculate an adjustment for a target sign...  
WO/2005/064742A1
The present invention relates to antenna arrangements for portable radio communication devices, such as mobile phones or GPS receivers. The antenna arrangement comprises a quarter wavelength QHA structure. Due to a grounding (3) arranged...  
WO2005043292A3
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 elements by removing power or lowering pl...  
WO/2005/057727A1
The invention is to provide such an antenna module making broadband of transmitting and receiving frequencies, while realizing miniaturization. The invention has a structure comprising a mounting body; a chip antenna having a substrate m...  
WO/2005/057726A1
An antenna structure which is good in radio wave receiving performance and free from material and design restrictions, and a radio wave correction clock using the antenna structure. The antenna structure, capable of receiving an external...  
WO2005013496A3
In accordance with a preferred embodiment of the invention, an antenna structure is provided having one or more antennae (100) arranged so as to read all possible orientations of a randomly placed tag (111, 112). Also provided in accorda...  
WO2004029562A8
Continuous-wave radiation is used to detect a target hidden behind a surface. In an embodiment, a transmitter (XMTR) directs a beam of continuous-wave microwave radiation from a transmitting location, and reflected radiation (RCV1) from ...  
WO/2005/050784A1
A method of shifting the resonant frequency by applying an electric field to a microstrip patch antenna using a quartz substrate is disclosed. It is suggested that the resonant frequency of the microstrip patch antenna can be controlled ...  
WO/2005/050861A1
A wireless communication receiver (20) comprises an antenna structure (22) and a joint searcher and channel estimator (24). The antenna structure acquires dimensionally differentiated signals which are concurrently utilized by the joint ...  
WO/2005/043292A2
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 elements by removing power or lowering pl...  
WO/2005/031916A1
A mobile terminal antenna device that can be used for different frequency bands by combining antenna characteristics. A whip antenna (1), which is electrically connected to a power supply part (3) via a contact hardwire (5), resonates, w...  
WO2005011051A3
A folded monopole antenna (200) that supports lower and upper frequency bands may be used in CDMA, WLAN, or other wireless communications systems. The folded monopole antenna may be located in a handset next to a vertical ground plane (2...  
WO/2005/024998A1
ABSTRACT A small broadband monopole antenna including a shorted patch and a probe with a strip line that are electromagnetically coupled with each other. The probe with a strip line has a length of about ¥ë/4, where ¥ë is a wavelengt...  
WO/2005/022740A2
An RF power amplifier module can be used without a matching device between the power amplifier module and an antenna. The power amplifier module is constructed and operated to detect, protect and maintain the performance of the power amp...  
WO/2005/022688A1
An antenna apparatus includes a plurality of antennas having different resonance frequencies and a feeding section for supplying common power to feeding terminals of the plurality of antennas. Open terminals of the plurality of antennas ...  
WO/2005/015686A1
The invention describes a broadband multi-dipole antenna that has low input reflection coefficient, low cross polarization, rotationally symmetric beam and constant beam width and phase centre location over several octaves bandwidth. The...  
WO/2005/015685A1
The invention describes a broadband multi-dipole antenna that has low input reflection coefficient, low cross polarization, rotationally symmetric beam and constant beam width and phase centre location over several octaves bandwidth. The...  
WO/2005/013536A2
A method for outer loop power control in a wireless communication system begins by determining if a cyclic redundancy check (CRC) is available. If the CRC is available, the method uses the CRC to calculate an adjustment for a target sign...  
WO/2005/013496A2
In accordance with a preferred embodiment of the invention, an antenna structure is provided having one or more antennae (100) arranged so as to read all possible orientations of a randomly placed tag (111, 112). Also provided in accorda...  
WO/2005/011051A2
A folded monopole antenna (200) that supports lower and upper frequency bands may be used in CDMA, WLAN, or other wireless communications systems. The folded monopole antenna may be located in a handset next to a vertical ground plane (2...  
WO/2005/008928A2
A system for outputting a broadband signal outputs a number of input channel streams. The input channel streams first arrive at the system in a digital format. There the input channel streams are each directed to a modulator circuit. Eac...  
WO/2005/006357A1
Inductive-systems (1,2) comprising a first part in the form of a printed coil (11,21) and a second part in the form of a non-printed coil (12,22) coupled serially to each other may have a relatively large inductive-value and still be rel...  
WO/2005/006494A1
A method of operating a higher conductivity broadband loaded meander line antenna (10) is provided wherein the meander line is positioned on a sheet of a lower conductivity material (22) having a conductivity of from about .01 siemens/m ...  
WO/2005/001991A1
A multiple bandwidth antenna assembly (10) including a helical radiator (12) having at least a first helical pitch and a second helical pitch, a core plug (16) having a first axial piece and a second axial, and a first recessed pattern c...  
WO2004029562A3  
WO/2004/109857A1
An antenna comprising a platy ground plate, a first feed element disposed a specified gap apart from the ground plate and having a specified shape, a platy first parasite element having a specified shape, a first short-circuit unit for e...  
WO2004091039A3
The invention provides an antenna element, antenna module, and electronic equipment using these, which are small-sized, high in transmitting and receiving performance, and capable of transmitting and receiving electric waves at a plurali...  
WO/2004/099812A2
A system, method, and computer program product for automatically exchanging objects (1906) in a wireless mobile environment. The invention operates by transmitting a request for objects (1906) to a source (1908), receiving at least some ...  
WO/2004/097749A1
In order to operate a transmitting device (1) of an access system, especially a motor vehicle, comprising a plurality of longwave antennas (LF1 .n), said antennas are jointly controlled by means of a central power amplifier (2) and are i...  
WO/2004/091039A2
The invention provides an antenna element, antenna module, and electronic equipment using these, which are small-sized, high in transmitting and receiving performance, and capable of transmitting and receiving electric waves at a plurali...  
WO2004059786A3
An antenna having an antenna cup (210) and a helical element (200) mounted in the antenna cup. The antenna cup has a side wall extending from a base thereof towards an open end thereof, the side wall having a plurality of slots formed th...  
WO/2004/086561A1
A dielectrically-loaded loop antenna has a cylindrical dielectrical core (12), a feeder structure (18) passing axially through the core, a sleeve balun (20) encircling one end portion of the core and helical antenna elements (10A - 10B) ...  
WO2004073103A9
An electronically tunable quad-band antenna which includes a tunable high band antenna tuned by at least one tunable varactor associated therewith; the tunable high band antenna further includes a substrate, a patch element on said subst...  
WO/2004/075342A1
A miniature antenna includes a radiating arm that defines a grid dimension curve. In one embodiment, the radiating arm includes a planar portion and at least one extruded portion. The planar portion of the radiating arm defines the grid ...  
WO/2004/073103A2
An electronically tunable quad band antenna includes a tunable high band antenna tuned by at least one varactor (130) associated therewith; the tunable high band antenna further includes a substrate (125), a patch element (1 10) on the s...  
WO/2004/068635A1
Linear elements (101a-101d) are conductors each having an element length L1 of a half wavelength and disposed in a rhomboidal form. A delay element (102a) and a delay element (102b) are conductors each having a full length of 1/4 wavelen...  
WO/2004/064193A1
A small-sized, broadband antenna and a small-sized, broadband electronic device housing this antenna are disclosed. This antenna comprises a feeding element having a feeding end, an antenna core portion around which the feeding element i...  
WO/2004/064195A1
A multiband antenna includes: a helical coil for transmitting/receiving a double radio wave; a dielectric member formed on an inside of the helical coil; a frequency changing portion formed on an inside of the dielectric member to adjust...  
WO2004017459A9
A combined antenna system used for both vehicles and structures, whereby a satellite antenna is placed concentrically around a conventional mast antenna that can be used for both conventional FM radio and also terrestrial retransmission ...  
WO/2004/062033A1
A switched meander line structure is substituted for a lumped element coupler (10) for an order of magnitude increase in gain due to the use of the switched meander line architecture. The use of the meander line (20) with relatively wide...  
WO2004042924A3
Voltage controlled oscillator (VCO) gain tracking is used for programming modulation gain settings to minimize modulation distortion in a low bandwidth phase locked loop of a mobile station (10). A synthesizer (20) generates a tuning vol...  
WO/2004/059786A2
An antenna having an antenna cup (210) and a helical element (200) mounted in the antenna cup. The antenna cup has a side wall extending from a base thereof towards an open end thereof, the side wall having a plurality of slots formed th...  
WO2004027919A3
Techniques enabling electronic control of propagation constant associated with meanderline loaded antennas and phased arrays are disclosed. An activation layer can be electronically stimulated to change its characteristics (e.g., capacit...  

Matches 351 - 400 out of 2,785