Patent application number | Description | Published |
20080231530 | DUAL-BAND F-SLOT PATCH ANTENNA - A dual-band antenna includes a planar conductive layer comprising a conductive region and a central non-conductive region. The conductive region and the non-conductive region together define a pair of interconnected F-slot structures, and a loop strip structure coupled to and disposed around the F-slot patch slot antenna structures. | 09-25-2008 |
20080231531 | ANTENNA APPARATUS, AND ASSOCIATED METHODOLOGY, FOR A MULTI-BAND RADIO DEVICE - Antenna apparatus, and an associated methodology, for a multi-frequency-band-capable radio device, such as a quad-band mobile station. The antenna apparatus forms a hybrid strip antenna having a pair of resonant elements. A first resonant element forms a peripheral loop extending about the periphery of a substrate. A meander line extends along a portion of the peripheral loop. And, second resonant element is formed of an L-shaped strip. The peripheral loop is resonant at a set of frequencies, and the L-shaped strip is resonant at a single frequency. Through appropriate selection of the lengths of the resonant elements, the frequencies at which the elements are resonant are controlled. | 09-25-2008 |
20080231532 | MULTI-BAND SLOT-STRIP ANTENNA - A multi-band antenna includes a planar conductive layer that comprises a conductive region and a non-conductive region. The conductive region and the non-conductive region together define a first slot-strip structure, a second slot-strip structure coupled to the first slot-strip structure, and a third slot-strip structure coupled to the second slot-strip structure. The first slot-strip structure includes a signal feed portion. The second slot-strip structure includes a first signal grounding portion. The third slot-strip structure includes a second signal grounding portion. | 09-25-2008 |
20080246678 | SLOT-STRIP ANTENNA APPARATUS FOR A RADIO DEVICE OPERABLE OVER MULTIPLE FREQUENCY BANDS - A hybrid slot-strip antenna apparatus, and an associated methodology, for a multi-mode mobile station or other radio device. The antenna is formed of a plurality of slot-strips disposed upon a printed circuit board, or other substrate. The antenna is defined by width and length design parameters, the selections of which are determinative of the antenna functionality. Through appropriate selection of the design parameters, the antenna is operable, that is, resonant, at each of the frequency bands of the multi-mode mobile station. | 10-09-2008 |
20080252529 | DUAL-POLARIZED, MICROSTRIP PATCH ANTENNA ARRAY, AND ASSOCIATED METHODOLOGY, FOR RADIO DEVICE - A dual-polarized antenna, and an associated methodology, is provided for a radio device, such as a mobile station. The antenna is formed of a plurality of patches configured into an array, symmetrical in both a first polarization direction and a second polarization direction. Adjacent patches of the array are interconnected by connecting strips that are also symmetrically positioned in the two directions. These connecting strips not only act as feeding lines for the patches but also operate as in-phase radiation elements in each polarization direction. A transverse strip extends between a pair of transversely positioned patches. And a single feed connection is provided thereat. | 10-16-2008 |
20080252550 | DUAL-POLARIZED, MULTIPLE STRIP-LOOP ANTENNA, AND ASSOCIATED METHODOLOGY, FOR RADIO DEVICE - A dual-polarized antenna, and an associated methodology, is provided for a radio device, such as a mobile station. The antenna is formed of a plurality of loop strips disposed upon a substrate. The loop strips are configured into a pair of L-cornered loops, with the loops sharing a shared set of loop strips. A loop strip of the shared set provides a single feed connection, positioned to permit symmetrical excitation of the antenna. | 10-16-2008 |
20080258989 | SLOT-LOADED MICROSTRIP ANTENNA AND RELATED METHODS - A microstrip antenna may include an electrically conductive ground plane layer, a dielectric layer adjacent the electrically conductive ground plane layer, and an electrically conductive patch layer adjacent the dielectric layer on a side thereof opposite the electrically conducive ground plane layer. The electrically conductive patch layer may be electrically floating with respect to the electrically conductive ground plane layer and may comprise a body portion and a feed strip extending outwardly from an interior medial portion of the body portion. The feed strip may have opposing first and second sides and an end electrically connected to the body portion. The body portion may have spaced apart first and second slots adjacent respective ones of the first and second opposite sides of the feed strip, and a third slot adjacent the end of the feed strip and spaced from the first and second slots. | 10-23-2008 |
20090051595 | MULTI-BAND ANTENNA, AND ASSOCIATED METHODOLOGY, FOR A RADIO COMMUNICATION DEVICE - An antenna, and an associated methodology, for a portable radio device, such as a mobile station capable of operation at a plurality of frequency bands spread across a wide range of frequencies. The antenna includes a first antenna patch and a second antenna patch. The first antenna patch comprises an L-shaped patch disposed upon a substrate. A second antenna patch forms a folded patch formed of three contiguous portions, folded about fold lines in a manner to cause the second antenna patch to include a first contiguous portion that extends upwardly beyond the first antenna patch at an angle perpendicular thereto. Second and third contiguous portions are formed by folding additional portions of the second antenna patch about additional fold lines. | 02-26-2009 |
20090051615 | MULTI-BAND ANTENNA APPARATUS DISPOSED ON A THREE-DIMENSIONAL SUBSTRATE, AND ASSOCIATED METHODOLOGY, FOR A RADIO DEVICE - Antenna apparatus, and an associated methodology, for a multi-frequency-band-capable radio device, such as a quad-band mobile station. The antenna apparatus is formed from a three-dimensional rectilinear non-conductive dielectric antenna substrate, such as cube. An elongated radiation element is disposed over multiple surfaces of the antenna substrate. A T-shaped impedance matching element located at the end of the radiation element permits the antenna input impedance to be matched to a communications device. The length of the radiation element is selected to be substantially equal to a quarter wavelength of the lowest frequency band at which the antenna operates. | 02-26-2009 |
20090066586 | MOBILE WIRELESS COMMUNICATIONS DEVICE INCLUDING MULTI-LOOP FOLDED MONOPOLE ANTENNA AND RELATED METHODS - A mobile wireless communications device may include a portable housing, a printed circuit board (PCB) carried within the portable housing, and wireless communications circuitry carried by the PCB within the portable housing. Furthermore, a folded monopole antenna may be coupled to the wireless communications circuitry. The folded monopole antenna may include a dielectric body having a generally rectangular shape defining a bottom portion adjacent the PCB and a top portion opposite the bottom portion. The antenna may also include a conductive trace having a bottom loop adjacent the bottom portion of the dielectric body, a top loop adjacent the top portion of the dielectric body, and an intermediate wrap-around section extending around the dielectric body and between the bottom and top loops. | 03-12-2009 |
20100097274 | THREE-FOLD POLARIZATION DIVERSITY ANTENNA - A three-fold polarization diversity antenna comprises a slot-loaded patch, and a radiation member that is electromagnetically coupled to the slot-loaded patch. The radiation member extends through a plane of the slot-loaded patch. | 04-22-2010 |
20100127936 | MULTIPLE FREQUENCY BAND ANTENNA ASSEMBLY FOR HANDHELD COMMUNICATION DEVICES - An antenna assembly has a plurality of conductive elements to enable use in multiple frequency bands assigned for a mobile wireless communications. The antenna assembly has a six-sided support frame non-electrically conductive material which provides external surfaces on which specific conductive patterns are formed with the patterns on different surface being selectively connected together. The support frame is mounted on one major surface of a dielectric substrate that has an opposite major surface with a conductive layer that serves as ground plane. A portion of the opposite major surface, on which the conductive layer is not applied, forms one surface of the support frame. | 05-27-2010 |
20100194642 | MULTIPLE INPUT, MULTIPLE OUTPUT ANTENNA FOR HANDHELD COMMUNICATION DEVICES - An antenna assembly for a mobile wireless communication device has a support with a first surface and a second surface between which a third surface and a fourth surface extend. A conductive ground plane is formed on the second surface. An antenna includes an electrically conductive patch located on the first surface, and first and second electrically conductive legs and an electrically conductive stripe all abutting the patch. In one version the first and second legs and the strip are all on the third surface. In another version the first and second legs are on the third surface and the strip is on the fourth surface that is orthogonal to the third surface. A first signal port is adapted to apply a first signal to the first leg and a second signal port is adapted to apply a second signal to the third leg. | 08-05-2010 |
20100238079 | HIGH ISOLATION MULTIPLE PORT ANTENNA ARRAY HANDHELD MOBILE COMMUNICATION DEVICES - A multiple input-multiple output antenna assembly with high isolation between the antennas is disclosed. The antenna assembly includes a substrate with a ground layer at its surface. Two antennas are disposed opposing each other on the substrate. A meandering slot is interposed between the first and second antennas on the ground plane. A first signal port is provided for applying a first signal to excite the first antenna and a second signal port is provided for applying a second signal to excite the second antenna. The meandering slot provides isolation that inhibits electromagnetic propagation between the first and second antennas. A third signal port is provided for applying a third signal to excite the meandering slot to act as another antenna for multiple input, multiple output operation. | 09-23-2010 |
20100328173 | SINGLE FEED PLANAR DUAL-POLARIZATION MULTI-LOOP ELEMENT ANTENNA - Dual polarization in an antenna structure that results from a number of radiating elements arranged in a loop configuration. The antenna structure is excited by a single coaxial feedline in an interior portion of the antenna structure. The antenna structure may include a ground plane that enables a directional radiation pattern. The antenna structure may also be operational without a ground plane to enable an omnidirectional radiation pattern. The antenna structure may be configured in a number of loop configurations electrically connected to each other by a number of microstrip loops extending in a horizontal and vertical planar direction. | 12-30-2010 |
20110001682 | COMPACT SINGLE FEED DUAL-POLARIZED DUAL-FREQUENCY BAND MICROSTRIP ANTENNA ARRAY - A dual-polarized stacked patch antenna array that operates at two different frequencies. The stacked patch antenna array has a single planar patch antenna subarray disposed on opposite sides of a dielectric structure. The stacked patch antenna array includes a ground plane that is common to each planar patch array antenna. Each planar patch antenna subarray is fed from a single coaxial probe disposed through the center of the stacked antenna array structure. Each patch in the planar patch array antenna subarray is electrically connected by microstrip elements. Each patch and microstrip element is arranged along the X and Y axial directions. A single additional microstrip element is placed in a diagonal orientation in each subarray to connect two patches oppositely oriented within the stacked antenna array structure. | 01-06-2011 |
20110109515 | COMPACT MULTIPLE-BAND ANTENNA FOR WIRELESS DEVICES - A compact multiple-band antenna for wireless devices having a plurality of operating frequency bands is provided. In one embodiment, a multiple-band antenna for a wireless device, comprises a ground area; a first radiating member having a first end, an intermediate portion and a second end and cooperatively receiving and substantially radiating RF signals at a first, second and third resonant frequency, wherein said first end of said first radiating member is electrically connected to said ground area and said intermediate portion is electrically connected to a first feed point; a second radiating member having a first end and a second end and cooperatively receiving and substantially radiating RF signals at a first, second and third resonant frequency, wherein said first end of said second radiating member is electrically connected to said second end of said first radiating member; a third radiating member having a first end and a second end and cooperatively receiving and substantially radiating RF signals at a first, second and third resonant frequency, wherein said first end of said third radiating member is electrically connected to said second end of said second radiating member; and a fourth radiating member having a first end, an intermediate portion and a second end and providing a fourth resonant frequency, wherein said first end of said fourth radiating member is electrically connected to said second end of said third radiating member, said intermediate portion of said fourth radiating member is electrically connected to a second feed point and said second end of said fourth radiating member is unconnected. | 05-12-2011 |
20110115677 | ANTENNA FOR MULTI MODE MIMO COMMUNICATION IN HANDHELD DEVICES - A multi-band antenna comprising a dielectric substrate, a ground plane formed on a first area of the dielectric substrate, a radiation part arranged in a second area of the dielectric substrate where the ground surface is not formed, a feed section formed of a metallic trace and having one end connected to the radiation part and an opposite end disposed near an edge of the ground plane for forming a feed point and the radiation part having a pair of monopole antenna elements formed of conductive metallic traces; a first monopole antenna element for radiating at a first resonant frequency, and a second monopole antenna element for radiating at a second resonant frequency and the conductive metallic traces being folded to form a three dimensional structure, with at least a portion of said first monopole spaced from a plane of the substrate and said second monopole. | 05-19-2011 |
20110163922 | Dual-Feed Dual Band Antenna Assembly and Associated Method - A dual-feed dual band (DFDB) antenna module comprising a first antenna element disposed on a first planar surface, a second antenna element disposed on a second planar surface, and a third antenna element disposed on a third planar surface, wherein the first, second and third planar surfaces are substantially orthogonal with respect to one another such that two feed ports formed are substantially orthogonal to each other. | 07-07-2011 |
20110215971 | LOW FREQUENCY DIVERSITY ANTENNA SYSTEM - A diversity antenna system that operates within a low frequency band ranging from 700 Megahertz is disclosed. A plurality of antennas are folded onto a single printed circuit in a meander pattern configuration. Each antenna has an independent feed port and ground pin. The plurality of antennas are configured within a compact mobile phone space to produce a high isolation and low correlation at resonating frequencies within the 700 Megahertz frequency band. | 09-08-2011 |
20110298669 | LOW FREQUENCY DUAL-ANTENNA DIVERSITY SYSTEM - A dual-antenna diversity antenna system that operates within a low frequency band range is disclosed. Two antennas are folded separately onto a single three dimensional dielectric substrate in a meander pattern configuration. Each antenna has an independent feed port and ground pin. The two antennas are configured within a compact mobile terminal to produce high isolation and low correlation at resonating frequencies within the 700 Megahertz frequency band. | 12-08-2011 |
20110316755 | BROADBAND MONOPOLE ANTENNA WITH DUAL RADIATING STRUCTURES - A broadband monopole antenna with dual-radiating elements is provided. In one embodiment, an antenna comprises a ground plane; a first radiating structure having a symmetric configuration along a central axis, comprising a first feed point electrically connected to the base of said first radiating structure along said central axis and a first slot with a corresponding first open-ended strip along said central axis; and a second radiating structure conjoined with said first radiating structure having a symmetric configuration along said central axis, comprising a second feed point electrically connected to the base of said second radiating structure along said central axis and a second slot with a corresponding second open-ended strip along said central axis; and wherein the antenna resonates and operates at a plurality of resonant frequencies. | 12-29-2011 |
20120068905 | Wideband, High Isolation Two Port Antenna Array for Multiple Input, Multiple Output Handheld Devices - A multiple input-multiple output antenna assembly with high isolation between the antennas is disclosed. The antenna assembly includes a substrate with a ground layer at its surface. Two antennas are disposed opposing each other on the substrate. An isolation element in a form of a patterned slot is interposed between the first and second antennas on the ground plane. A first signal port is provided for applying a first signal to excite the first antenna and a second signal port is provided for applying a second signal to excite the second antenna. The isolation element provides isolation that inhibits electromagnetic propagation between the two antennas. | 03-22-2012 |
20120200462 | Multiple Input, Multiple Output Antenna for Handheld Communication Devices - An antenna assembly for a mobile wireless communication device has a support with a first surface and a second surface between which a third surface and a fourth surface extend. A conductive ground plane is formed on the second surface. An antenna includes an electrically conductive patch located on the first surface, and first and second electrically conductive legs and an electrically conductive stripe all abutting the patch. In one version the first and second legs and the strip are all on the third surface. In another version the first and second legs are on the third surface and the strip is on the fourth surface that is orthogonal to the third surface. A first signal port is adapted to apply a first signal to the first leg and a second signal port is adapted to apply a second signal to the third leg. | 08-09-2012 |
20130135153 | Dual Feed Port Dual Band Antenna Assembly and Associated Method - A dual feed port dual band (DFDB) antenna module comprising a first antenna element disposed on a first planar surface, a second antenna element disposed on a second planar surface, and a third antenna element disposed on a third planar surface. A first feed port is coupled to a first transceiver circuit adapted to operate in a first band and a second feed port is coupled to a second transceiver circuit adapted to operate in the first band and to a receiver circuit adapted to operate in a second band. The first and second feed ports are oriented substantially orthogonal with respect to each other. | 05-30-2013 |
20130267181 | Dynamic Antenna Selection Based on User Hand Position - Embodiments of the disclosure provide systems and methods for improving user equipment performance by implementing antenna selection based on measurement of performance parameters of a plurality of antennas. In some embodiments, the antenna parameter measurements comprise radiated power. In other embodiments, the antenna parameter measurements comprise reflected power. In various embodiments, the antenna parameter measurements may be based on data from sensors that are operable to detect operational characteristics of the plurality of antennas based on the proximity of a portion of a user's body to the sensors. The antenna parameter measurements are then used to select one of the antennas within the plurality of antennas for transmitting and receiving data signals by a wireless communication device. | 10-10-2013 |
20130285867 | COMPACT RADIATION STRUCTURE FOR DIVERSITY ANTENNAS - An antenna for diversity operation comprising a plurality of connected antenna units ( | 10-31-2013 |
20130328737 | BROADBAND MONOPOLE ANTENNA WITH DUAL RADIATING STRUCTURES - A broadband monopole antenna with dual-radiating elements is provided. In one embodiment, an antenna comprises a ground plane; a first radiating structure having a symmetric configuration along a central axis, comprising a first feed point electrically connected to the base of said first radiating structure along said central axis and a first slot with a corresponding first open-ended strip along said central axis; and a second radiating structure conjoined with said first radiating structure having a symmetric configuration along said central axis, comprising a second feed point electrically connected to the base of said second radiating structure along said central axis and a second slot with a corresponding second open-ended strip along said central axis; and wherein the antenna resonates and operates at a plurality of resonant frequencies. | 12-12-2013 |