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Matches 101 - 150 out of 2,795

Document Document Title
WO/2013/139935A1
The invention concerns a helical antenna comprising a shape of revolution and a plurality of radiating strands helically wound around the shape of revolution, characterised in that each radiating strand is defined by a repetition of a fr...  
WO/2013/124278A1
The present invention relates to an electromagnetic band gap device (20), including a dielectric substrate, one surface (21) of which is metallized, and the second surface of which comprises a plurality of non-contiguous conductive eleme...  
WO/2013/117936A1
In a method of manufacturing dielectrically loaded antennas, a first step comprises providing a printed circuit panel (30) having a plurality of disc-shaped laminate boards (20) supported in apertures in a body of the panel. The panel is...  
WO/2013/035093A8
Antenna assembly for providing HF radio communication in two different operating modes. The antenna assembly includes a whip antenna and at least two antenna wire segments. The whip antenna establishes short range HF radio communication ...  
WO/2013/076457A1
The invention relates to an antenna for operation at a frequency in excess of 200MHz comprising: an insulative substrate having a central axis, an axial passage extending therethrough and an outer substrate surface which extends around t...  
WO/2012/170820A3
Embodiments provide systems and methods to dynamically control a radio frequency (RF) transmitter based on monitored error vector magnitude (EVM) performance. Embodiments are enabled by a feedback path that allows estimating the EVM at t...  
WO/2013/057478A1
This invention relates to a radiofrequency circuit assembly and a dielectrically-loaded antenna for use in the assembly. The antenna comprises a solid electrically insulative core having a passage therethrough extending from a first core...  
WO/2013/035093A1
Antenna assembly for providing HF radio communication in two different operating modes. The antenna assembly includes a whip antenna and at least two antenna wire segments. The whip antenna establishes short range HF radio communication ...  
WO/2009/104924A9
The present invention relates to an antenna element which can receive FM radio and which can be incorporated into a miniaturised, slimline portable handset, and it also relates to an antenna device employing the said antenna element. Whe...  
WO/2013/000519A2
An improved eleven antenna is disclosed, comprising a conducting body acting as a ground plane; and at least one pair of log-periodic dipole arrays arranged above the ground plane, the dipoles of said pair of log-periodic arrays of dipol...  
WO/2009/104924A3
The present invention relates to an antenna element which can receive FM radio and which can be incorporated into a miniaturised, slimline portable handset, and it also relates to an antenna device employing the said antenna element. Whe...  
WO/2012/170825A1
Methods and systems for controlling the supply voltage provided to a power amplifier (PA) in a radio frequency (RF) transmitter based on measured output spectrum emissions are provided. In an embodiment, the PA supply voltage is adjusted...  
WO/2012/160353A1
The invention relates to a dielectrically loaded antenna for operation at first and second frequencies above 200 MHz with circularly polarised radiation. The antenna comprises an electrically insulative dielectric core of solid material ...  
WO/2012/156688A1
A method of manufacturing a dielectrically loaded antenna (10) - preferably a helical antenna (10) - having an operating frequency in excess of 200 MHz, the antenna having an electrically insulative core (12), the method comprising: form...  
WO/2012/142764A1
Provided is an antenna including a conductive loop having a first top surface portion, the conductive loop having a first edge portion interrupted by a gap defining a feed point, and a conductive strip having a second top surface, the co...  
WO/2012/105702A1
Provided is an antenna device that enables the realization of both good communication characteristics and good mechanical strength and that has a structure that is favourable to both small size and low profiling. The antenna device, whic...  
WO/2012/104713A1
A wireless field device or an adapter for converting a wired field device to a wireless field device includes a housing, a first connector on the housing, and a removable antenna module that includes an antenna, a second connector couple...  
WO/2012/096355A1
[Problem] To enable an entire element to function efficiently as an antenna in a limited space, and to enable antenna properties to be improved, in a low profile antenna device with limited element-accommodating space. [Solution] A low p...  
WO/2012/079412A1
Disclosed is an external cavity laser, comprising a gain medium (1), a filter (2) and a Faraday rotating mirror (3). The gain medium (1), the wave filter (2) and the Faraday rotating mirror (3) form a resonant cavity where the light emit...  
WO/2009/091423A3
The disclosed system, device and method for a signal modulation apparatus generally includes a first signal generator suitably configured to generate a first continuous wave radio frequency (RF) signal, and a second signal generator suit...  
WO/2012/054759A1
A system comprises a linearizer module, a first upconverter module, a power amplifier module, a signal sampler module, and a downconverter module. The linearizer module may be configured to receive a first intermediate frequency signal a...  
WO/2012/051701A1
The present concept a helical antenna boom assembly includes a boom assembly, including a boom, and a plurality of rods and stays, each rod operably attached at an upper end of the boom and connected to one end of the stay. The boom asse...  
WO/2012/050617A1
In accordance with one or more embodiments of the present invention, a quadrifilar helix antenna can be formed to accommodate multiple frequencies using a single microstrip feed system, illustratively comprising an infinite balun (60) in...  
WO/2012/038156A1
The invention relates to a transponder for installation in an elastomer matrix of an air spring having an antenna (1) which consists of one or more filaments (2, 3) which are deformable in an elastic and/or plastic manner and which are w...  
WO/2012/020203A1
During the course of the method of manufacturing an antenna (12) comprising a core (18), the antenna being intended to be integrated into a mass of rubber of a tyre, the core is covered in thread-like manner (18) with a covering (20, 22,...  
WO/2011/093645A3
The present invention relates to a hybrid antenna combining a helical antenna of a 2D planar spiral shape with a loop antenna used for 13.56 Mhz M-Commerce, and a fabrication method therefor. In particular, a hybrid antenna (300) is form...  
WO/2011/128243A1
In the field of wideband directional antennas operating in linear polarization, and in particular in the framework of amplitude goniometry systems, polarization purity defects result in deformation of the radiation patterns and cause the...  
WO/2011/093646A3
The present invention relates to a helical antenna formed in 2D format and to a production method for the same, and more specifically relates to a helical antenna for various forms of mobile communication terminal; the helical antenna be...  
WO/2011/102609A1
The present invention relates to a stacked two-dimensional (2D) helical antenna having a stacked 2D planar spiral shape and a manufacturing method thereof, and more specifically, to a stacked 2D helical antenna formed in a stacked 2D typ...  
WO/2011/093646A2
The present invention relates to a helical antenna formed in 2D format and to a production method for the same, and more specifically relates to a helical antenna for various forms of mobile communication terminal; the helical antenna be...  
WO/2011/092498A1
A backfire dielectrically loaded antenna (1) comprising: an electrically insulative dielectric core (12) of a solid material having a relative dielectric constant greater than 5; a three-dimensional antenna element structure including at...  
WO/2011/092499A1
A radio communication apparatus comprising: (a) a backfire dielectrically loaded antenna (1) comprising : an electrically insulative dielectric core of a solid material having a relative dielectric constant greater than 5; a three-dimens...  
WO/2011/093645A2
The present invention relates to a hybrid antenna combining a helical antenna of a 2D planar spiral shape with a loop antenna used for 13.56 Mhz M-Commerce, and a fabrication method therefor. In particular, a hybrid antenna (300) is form...  
WO/2011/087177A1
The present invention relates to a micro MIMO antenna which is configured in an electronic device and prevents interference between antenna elements through a noble isolation aid (NIA). According to the present invention, an internal MIM...  
WO/2011/056774A3
An apparatus, such as an antenna assembly, can include a flexible dielectric sheet, a first flexible conductor coupled to the flexible dielectric sheet, a second flexible conductor coupled to the flexible dielectric sheet, a matching sec...  
WO/2011/044657A9
The present invention provides a high-performance helical antenna element and array thereof for use in an aircraft communication system or the like, where stringent spatial restrictions and gain requirements generally apply. The performa...  
WO/2011/044655A9
The present invention provides a high-performance and small sized helical antenna element and array thereof for use in an aircraft communication system or the like, where stringent spatial restrictions and gain requirements generally app...  
WO/2011/059832A1
A field-confined wideband antenna assembly is disclosed. The antenna assembly includes a radiating element with a planar body that defines a first confining slot. The dimensions of the first confining slot correspond to a first set of re...  
WO/2011/059151A1
According to one embodiment of the present invention, a transparent loop antenna for an RFID tag comprises: a substrate which is made of a transparent plastic material; and an antenna which is implemented on the substrate in a spiral loo...  
WO/2011/025204A3
According to exemplary embodiments of the present invention, a multi-band TV/GPS antenna for a femtocell repeater is disclosed. The exemplary embodiments of the present invention comprise: a first antenna unit formed in a base of the fem...  
WO/2011/044657A1
The present invention provides a high-performance helical antenna element and array thereof for use in an aircraft communication system or the like, where stringent spatial restrictions and gain requirements generally apply. The performa...  
WO/2011/045957A1
Disclosed is a helical chip antenna giving a high antenna efficiency. On the bottom of a base (21), a feed terminal electrode (24) and an open terminal electrode (25) are formed. One of the end portions of a helical conductor (29) is con...  
WO/2011/044655A1
The present invention provides a high-performance and small sized helical antenna element and array thereof for use in an aircraft communication system or the like, where stringent spatial restrictions and gain requirements generally app...  
WO/2010/099244A9
A multi-band antenna device includes a primary antenna with a helical component and a folded component. A wire is formed in a helix to construct the helical component and a wire is formed in a folded-over fashion to form the folded compo...  
WO/2011/027603A1
Provided is a coil shaped antenna wherein errors at the time of production can be reduced. An antenna (10) is constituted by providing connection conductors wherein the opposite ends of the connection conductors are connected to through ...  
WO/2011/025204A2
According to exemplary embodiments of the present invention, a multi-band TV/GPS antenna for a femtocell repeater is disclosed. The exemplary embodiments of the present invention comprise: a first antenna unit formed in a base of the fem...  
WO/2011/015511A1
The present invention provides an antenna for an RFID system, including a conductor line (8), wherein the conductor line includes at least two loop parts (80, 82) and at least one connecting part (81). Successive loop parts (80,82) are c...  
WO/2011/007955A1
Provided is a helix feed broadband antenna having a reverse center feeder, which minimizes an antenna enclosure and a radio wave shadow area by using the reverse center feeder including a reflecting plate and a rear radiation pattern, th...  
WO/2011/003389A1
The invention relates to a foldable log-periodic antenna, comprising a supply line (1), one or more transmission means (3) for transmitting and/or receiving electromagnetic signals, one or more carrier elements (2a, 2b) for retaining the...  
WO/2011/001153A1
In a dielectrically-loaded multifilar helical antenna, a conductive phasing ring (16) is arranged between and couples together feed nodes and the helical radiating elements. The phasing ring comprises an annular conductive path having an...  

Matches 101 - 150 out of 2,795