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With parasitic element (e.g., reflector or director)

Subclass of:

343 - Communications: radio wave antennas

343700000 - ANTENNAS

343793000 - Balanced doublet - centerfed (e.g., dipole)

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
343818000 With parasitic element (e.g., reflector or director) 27
20090073073Foldable Reflect Array - A foldable reflect array may include a plurality of geometrically-flat reflect antennas. Each of the reflect antennas may include a respective plurality of antenna elements to receive and retransmit an incident wavefront, and each of the plurality of reflect antennas may be foldably coupled to at least one other of the plurality of reflect antennas.03-19-2009
20090153429Multi-band antenna assembly - The invention provides a multi-band antenna assembly comprising a connection conductor, a first resonant element, a second resonant element, and a parasitic resonant element. The first resonant element and the second resonant element are electrically connected with the connection conductor respectively. The parasitic resonant element and a grounding part of the connection conductor are grounded. The parasitic resonant element is disposed substantially parallel to the first resonant element, and therein a length of the parasitic resonant element is 15.2 mm˜25.2 mm. The multi-band antenna assembly can provide a working band containing GSM06-18-2009
20090207088ANTENNA APPARATUS - An antenna apparatus, including: an antenna device including a feeding point and a pair of antenna elements placed symmetrically with respect to the feeding point; and a parasitic device placed parallel to each of the antenna elements of the antenna device and including one or a plurality of elements placed at a position separated from each of the antenna elements, wherein the element of the parasitic device includes a gap at a center of the element in an extending direction and includes a pair of sub-elements structured symmetrically with respect to the gap as a boundary.08-20-2009
20100039343ANTENNA DEVICE - Provided is an antenna device which is small and low in height to be easily mounted on a small radio and forms a main beam, which has excellent radiation pattern frequency characteristics and is tilted in the horizontal direction. Slot elements (02-18-2010
20100073251BEHIND-THE-WALL ANTENNA SYSTEM - A behind-the-wall antenna system according to the present invention comprises: a wall; a converging reflector (corner reflector) which reflects radio waves so as to form a region behind the wall in which the electric field strength is great; an antenna arranged in the region between the wall and the converging reflector in which the electric field strength is greater than that in the surroundings; and a transmission path connected to the antenna. A resonance space is formed between the front face of the wall and the converging reflector. Furthermore, the distance between the wall and the reflector is adjusted so as to create an impedance matching state between the antenna and the space on the front side of the wall. With such an arrangement, the radio waves are directly used behind the wall.03-25-2010
20100141546ANTENNA FEEDING NETWORK - An antenna feeding network, including at least one antenna feeding line, each antenna feeding line comprising a coaxial line having a central inner conductor and a surrounding outer conductor.06-10-2010
20100220027Antenna - An antenna includes: a dipole antenna; and a parasitic element arranged in parallel to the dipole antenna and having a linear structure and a meander structure, wherein a directivity and a return loss of the dipole antenna are controlled by setting a distance between the dipole antenna and the parasitic element and a shape and size of the meander structure.09-02-2010
20100321268Antenna array for a radar transceiver and circuit configuration for supplying an antenna array of such a radar transceiver - An antenna array for radar transceivers, in particular for ascertaining distance and/or speed in the surroundings of vehicles, a first antenna part being situated on a carrier and a second antenna part being situated on another carrier situated at a distance from the first. The first antenna part has two generally rectangular primary exciter patches which adjoin each other on one edge, where they are short-circuited toward ground, two primary exciter patches have two separate supply lines, and the second antenna part comprises two mutually separated rectangular secondary exciter patches, which partially cover the primary exciter patches and which have, in the region of the ground short-circuit of the primary exciter patches, in the beam direction, a distance from each other that at least exposes the ground short-circuit.12-23-2010
20120146872ANTENNA RADIATING ELEMENT - The object of the invention is an antenna radiating element comprising: 06-14-2012
20120176289ASYMMETRICAL DIPOLE ANTENNA - An asymmetrical dipole antenna is provided. A radiation module and a ground module are formed by a metallic conductor and arranged at an interval on a substrate of the antenna, and the radiation module and the ground module, respectively, have a radiation base and a ground base. Two radiation arms and two ground arms are formed by extending from two ends of the two respective bases in opposite directions. The two radiation arms are orthogonal to the radiation base, and the second radiation arm is bent and extended toward the first radiation arm to form an arc opened toward the first radiation arm. The two ground arms are orthogonal to the ground base, and a hook is formed by extending and bending the second ground arm toward the first ground arm. A feeder unit connects the feed point and the ground point of the two bases.07-12-2012
20120223870DIRECTIONAL ANTENNA FOR PORTABLE DEVICES - The present invention relates to a directional antenna comprising a dipole-configured active element, including two arms (09-06-2012
20120293387ANTENNA APPARATUS PROVIDED WITH DIPOLE ANTENNA AND PARASITIC ELEMENT PAIRS AS ARRANGED AT INTERVALS - Parasitic elements of each parasitic element pair have a strip shape, and are formed on a straight line, which is parallel to a longitudinal direction of a printed dipole antenna and is positioned in a radiation direction of radio wave from the printed dipole antenna, so as to have a gap of a predetermined interval. The parasitic element pairs and the dipole antenna are arranged at predetermined intervals so as to oppose to and to be electromagnetically coupled to each other.11-22-2012
20130027268ANTENNA APPARATUS INCLUDING DIPOLE ANTENNA AND PARASITIC ELEMENT ARRAYS FOR FORMING PSEUDO-SLOT OPENINGS - In each parasitic element array, each of parasitic elements has a strip shape substantially parallel to a longitudinal direction of a dipole antenna, and the parasitic elements are formed at predetermined intervals. For example, the interval is set to be equal to or smaller than ⅛ of a wavelength λ of a high-frequency signal to be fed to a feeder line. The parasitic element arrays are arranged so as to form a plurality of pseudo-slot openings that allow a radio wave from the dipole antenna to propagate therethrough as magnetic currents.01-31-2013
20130044037CIRCUITRY-ISOLATED MEMS ANTENNAS: DEVICES AND ENABLING TECHNOLOGY - Embodiments of a MEMS antenna are presented. Additionally, systems incorporating embodiments of a MEMS antenna are presented. Methods of manufacturing a MEMS antenna are also presented. In one embodiment, the MEMS antenna includes a substrate, a metallic layer disposed over the substrate, the metallic layer forming a ground plane, the ground plane having a region defining a gap disposed therein, a protrusion disposed over the substrate within the region defining the gap, the protrusion extending outwardly from the ground plane, the protrusion having a length and a width, the length being greater than the width, and a first electromagnetic radiator element disposed over the protrusion, the first electromagnetic element having a length and a width, the length being greater than the width.02-21-2013
20130135166ANTENNA FEEDING NETWORK - An antenna feeding network, including at least one antenna feeding line, each antenna feeding line comprising a coaxial line having a central inner conductor and a surrounding outer conductor. The outer conductor (05-30-2013
20130169502Directional Antenna and Radiating Pattern Adjustment Method - The present invention discloses a directional antenna for a multi-in multi-out or antenna beam switchable wireless communication system, including a substrate, at least one directional antenna, formed on the substrate, for generating a radiating pattern of a radiation plane according to a feeding signal, and a reflector, disposed in parallel to the radiation plane of the directional antenna, for reflecting the radiating pattern of the directional antenna, to increase a gain of the directional antenna corresponding to the radiation plane.07-04-2013
20130241789ANTENNA ARRAY - A circuit board for wireless communications includes communication circuitry for modulating and/or demodulating a radio frequency (RF) signal and an antenna apparatus for transmitting and receiving the RF signal, the antenna apparatus having selectable antenna elements located near one or more peripheries of the circuit board. A first antenna element produces a first directional radiation pattern; a second antenna element produces a second directional radiation pattern offset from the first radiation pattern. The antenna elements may include one or more reflectors configured to provide gain and broaden the frequency response of the antenna element. A switching network couples one or more of the selectable elements to the communication circuitry and provides impedance matching regardless of which or how many of the antenna elements are selected. Selecting different combinations of antenna elements results in a configurable radiation pattern; alternatively, selecting several elements may result in an omnidirectional radiation pattern.09-19-2013
20140266953ANTENNA HAVING SPLIT DIRECTORS AND ANTENNA ARRAY COMPRISING SAME - An antenna is provided comprising a pair of driven elements and a pair of passive elements. The driven elements are disposed on opposite sides of a reference plane, and the passive elements are also disposed on opposite sides of the reference plane. One or both passive elements may be provided in a different plane than the driven elements. By varying placement of the passive elements the antenna radiation pattern can be altered. An antenna array is also provided, comprising two or more oppositely directed directional antennas at least one of which is as described above. The passive elements of the antennas can be adjusted for a desired coverage pattern of the array, such as an azimuthal omnidirectional pattern, for example through simulation. The antenna or array may be embodied on a printed circuit board.09-18-2014
20150009084ELECTROMAGNETIC BAND GAP DEVICE - An electromagnetic band gap device is disclosed that includes a dielectric support of which one face is metallized and of which a second face includes a plurality of non-adjoining conducting elements. Several conducting elements are linked together pairwise by a resistive element in the electromagnetic band gap device. At least two of the conducting elements are electrically insulated from one another and at least two resistive elements exhibit a different resistance value.01-08-2015
343819000 With reflector and director 8
20090085821Versatile antenna system - The present invention relates to an antenna system designed to be used in a wireless link, having polarization directions, respectively for reception and emission identical to the polarization directions, respectively for emission and reception, presented by a similar system placed in a geometric configuration of use that is different from that of the said first system. The invention enables identical devices to be implemented in separate items of equipment and in distinct positions while enabling the antenna pair to function correctly.04-02-2009
20090256769ASYMMETRICAL YAGI REPRESENTATION OF DIPOLE UWB ANTENNA - The present invention related an asymmetrical yagi representation of dipole UWB antenna herein, said antenna located on a substrate and able to be interconnected to a wireless communication apparatus. The antenna comprising: a first radiation arm, said radiation arm comprising a first feed point, a first branch, a second branch, and a first tail. The second radiation arm comprising a second feed point, a third branch, a fourth branch and a second tail. Said first tail and said second tail point are located at the farthest spot from the first radiation arm and the second radiation arm respectively.10-15-2009
20110163931SLOT-FED YAGI AERIAL - A slot-fed Yagi aerial includes: a cable, a reflector, an active dipole and directors, wherein, the reflector, the active dipole, etc. are provided on a support tube; the feeding section of the Yagi aerial is of a shielded slot structure in which the distance between the ends of the slot is approximately one half of the wavelength of the electromagnetic signal desired to be received; the two pieces of thin metal rods composing the half wavelength dipole are located at two external sides of the slot; the outer conductor of the cable is connected to one side of the slot, and the inner conductor of the cable is connected to the other side of the slot or the inner conductor of the cable isolated by a dielectric layer is wound around at the other side of the slot, so as to realize a direct connection feed or a coupling feed. The slot-fed Yagi aerial employs a half wavelength dipole composed of two pieces of thin metal rods, and its feeding section is of a shielded slot structure, and its feeding is realized by the slot. After simulation test and examination, the Yagi aerial according to the present invention can provide a better gain and front-to-rear ratio over a folded dipole in the case that they have same size, so that the production cost is saved and the occupation space of the aerial is reduced while the gain and the front-to-rear ratio is maintained.07-07-2011
20120127052Antenna Arrangement - The invention relates to data transmission in radio communication networks, the object of the invention multiband directional antenna comprising a multidimensional array structure and having more than one director working in active or passive mode according to the working frequency.05-24-2012
20130120209SYSTEMS AND METHODS PROVIDING PLANAR ANTENNAS INCLUDING REFLECTORS - Systems and methods which utilize a current null cut reflector dipole antenna configuration are shown. According to embodiments, a plurality of current null points are identified with respect to an antenna element reflector configuration whereby a reflector is provided which terminates at the identified current null points. Accordingly, a noncontiguous reflector is provided in current null cut reflector dipole antenna elements. The discontinuity in the noncontiguous reflector is utilized for disposing signal feed paths providing a feed network to the dipole antenna element of the current null cut reflector dipole antenna. Accordingly, current null cut reflector dipole antennas of embodiments may be provided in configurations which are relatively simple and inexpensive to manufacture, such as two-sided printed circuit board configurations.05-16-2013
20130214984BROADBAND ELECTROMAGNETIC BAND-GAP (EBG) STRUCTURE - An electromagnetic bandgap structure comprising a progressive cascade of a plurality of patterns of cells. The cells of each pattern are dimensioned so that each pattern has a reflection phase response centered at a different, but closely-spaced, frequency compared with the reflection phase response of an adjacently positioned pattern, so that the combined reflection phase response of the plurality of patterns provides a continuous wideband operational range.08-22-2013
20150070235ANTENNA DEVICE - An antenna device includes a first substrate, a feeder line which is disposed in the first substrate, a grounding conductor which is disposed in the first substrate, a first radiation element which is electrically connected to the feeder line in the first substrate, a second radiation element which is electrically connected to the grounding conductor and is disposed substantially in parallel with the first radiation element in the first substrate, a first reflector which is disposed in the first substrate, and a second reflector which is disposed in the first substrate so as to be separated by a predetermined distance from the first radiation element or the second radiation element in at least one of longitudinal directions of the first radiation element and the second radiation element.03-12-2015
20150333408ANTENNA DEVICE AND WIRELESS TRANSMISSION DEVICE - In each parasitic element array, parasitic elements, each having a strip shape substantially parallel to a longitudinal direction of a dipole antenna, are formed at predetermined intervals. The parasitic element arrays are arranged such that a plurality of gaps are formed to propagate a radio wave from the dipole antenna, and that a center axis of the dipole antenna and a center axis of a parasitic element group composed of a plurality of parasitic element arrays do not overlap each other, where the center axis of the dipole antenna extends in a wave-guiding direction of a radio frequency signal from a center of the longitudinal direction of the dipole antenna, and the center axis of the parasitic element group extends in the wave-guiding direction of the radio frequency signal from a center of the parasitic element group in the longitudinal direction of the dipole antenna.11-19-2015

Patent applications in class With parasitic element (e.g., reflector or director)

Patent applications in all subclasses With parasitic element (e.g., reflector or director)

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