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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8179333 | Antennas using chip-package interconnections for millimeter-wave wireless communication A compact millimeter-wave transmitter and receiver make use of interconnections within a chip-containing package for providing an integrated antenna. Due to shorter wavelength of millimeter-waves, these interconnections can be used as antennas for radiation of elect... | 05/15/2012 |
| 8130164 | Broadband coplanar antenna element A broadband antenna element configuration having a radiation pattern useful in an antenna array containing a plurality of driven radiating elements that are spatially arranged is disclosed. The antenna element is coplanarly disposed on a suitable planar substrate of... | 03/06/2012 |
| 8115695 | Print dipole antenna and manufacturing method thereof The present invention discloses a print dipole antenna and manufacturing method thereof. The print dipole antenna has a plurality of resonance frequencies, which comprises a substrate, a ring microstrip line and a ground plane. The ring microstrip line is disposed o... | 02/14/2012 |
| 8102325 | GNSS antenna with selectable gain pattern, method of receiving GNSS signals and antenna manufacturing method An antenna is provided for GNSS and other applications and includes an adjustable-height vertical support PCB mounted on a ground plane and mounting a crossed-dipole radiating arm element assembly. The gain pattern of the antenna can be varied by constructing the ve... | 01/24/2012 |
| 8089417 | Microwave scanning system and miniaturized microwave antenna A micro strip antenna comprising a planar substrate fabricated from a dielectric material and a pair of like elements arranged in mirror image on the planar substrate, each of the elements comprising a radiating portion comprising an elongate conductive strip of a c... | 01/03/2012 |
| 8089418 | Antenna structure An antenna structure that includes a magnetic film coated on a textured backside of an antenna substrate to reduce the size of antenna from an average size of the antenna for a predetermined frequency band. ... | 01/03/2012 |
| 8081131 | Multi-polarized antenna array In one embodiment, the present invention is a dual-polarized antenna array constructed from first and second instances of a planar antenna that are co-located and orthogonal to one another. The planar antenna comprises three conducting elements and a transmission li... | 12/20/2011 |
| 8077108 | Digital TV antenna with two conductive surfaces A digital TV antenna has first and second conductive members with surfaces of two minimum orthogonal dimensions and a nonconductive substrate connected to the surfaces of the conductive members for supporting them at a spaced location from each other of not more tha... | 12/13/2011 |
| 8077107 | Antenna apparatus There is provided an antenna apparatus including: a finite ground plane; a plate-like conductive element configured to include a first conductive plate disposed so as to oppose the finite ground plane and a second conductive plate that shorts a first edge of the fir... | 12/13/2011 |
| 8059054 | Compact antennas for ultra wide band applications Compact antennas for ultra wide band applications are disclosed. The compact antenna may be an elliptic dipole antenna with a poise and counterpoise both having an elliptical shape. A substrate may be used to support the poise and counterpoise with the substrate hav... | 11/15/2011 |
| 8031128 | Electrically small antenna An electrically small antenna (ESA) for resolution of subwavelength features is disclosed. The ESA is on the order of meters and has an efficient transmit/receive capability. The ESA is 1/10 of the length of the equivalent dipole length, and may be scaled down to 1/... | 10/04/2011 |
| 7986280 | Multi-element broadband omni-directional antenna array A broad beam width antenna array, preferably having 360 degrees of azimuth coverage, which also has broad frequency bandwidth, for use in a wireless network system is disclosed. In a preferred embodiment the antenna array comprises a planar dielectric substrate, mic... | 07/26/2011 |
| 7969377 | Wireless communication device having conductive elements antenna An antenna coupled to a wireless communication device is comprised of a conductive component, such as a series of conductive elements, that forms a conductor if placed under a threshold force. The conductor is coupled to the wireless communication device so that the... | 06/28/2011 |
| 7965252 | Dual polarization antenna array with increased wireless coverage A wireless device having vertically and horizontally polarized antenna arrays can operate at multiple frequencies concurrently. A horizontally polarized antenna array allows for the efficient distribution of RF energy in dual bands using, for example, selectable ant... | 06/21/2011 |
| 7936311 | Directive, broadband, high gain, active antenna system A broadband, high-gain, active antenna system is disclosed, which operates with a bi-directive reception pattern while in its standard configuration and with a directive reception pattern over several octaves of Radio Frequency (RF) spectrum when affixed with a tune... | 05/03/2011 |
| 7928921 | Tag-use antenna and tag using the same The present invention relates to a tag-use antenna allowing a miniaturization while maintaining a constant minimal change of a communication distance. The tag-use antenna has a feed part of a folded dipole antenna of a size of 53 mm long and 7 mm wide being connecte... | 04/19/2011 |
| 7928922 | System and method for providing a low and narrow-profile radio frequency identification (RFID) tag Methods and systems for wireless devices are disclosed. According to one system, a radio frequency identification (RFID) tag includes an RFID circuit packaged within a chip carrier package. The chip carrier package bonds out a first antenna connection for the RFID c... | 04/19/2011 |
| 7911404 | RF tag and method of producing RF tag An RF tag includes a first transmission line which is connected to a grounding conductor and forms an electric closed loop to constitute a dipole antenna. A power supply circuit is connected between a branch point on the first transmission line and the grounding con... | 03/22/2011 |
| 7884774 | Planar antenna The present invention provides a wireless transmit/receive unit, comprising a feeding connecting line, a first radiating line, a second radiating line, a third radiating line and a fourth radiating line, wherein the third radiating line is longer than the first radi... | 02/08/2011 |
| 7880683 | Antennas with polarization diversity A horizontally polarized antenna array allows for the efficient distribution of RF energy into a communications environment through selectable antenna elements and redirectors that create a particular radiation pattern such as a substantially omnidirectional radiati... | 02/01/2011 |
| 7876283 | Antenna having a dielectric structure for a simplified fabrication process An antenna is formed with a self-supporting structure (1), a dielectric structure (2), and a conducting structure (3), each structure being formed from at least one structural element (10; 21, 22; 31-34). The structural elements of... | 01/25/2011 |
| 7864130 | Broadband single vertical polarized base station antenna An antenna for receiving and/or transmitting electromagnetic signals is disclosed. The antenna includes a ground plane with a length and having a vertical axis along the length, and a dipole radiating element projects outwardly from a surface of the ground plane. Th... | 01/04/2011 |
| 7852280 | Broadband structurally-embedded conformal antenna An antenna comprising a crossed pair of center-fed end-loaded bent-dipole radiators which are structurally embedded into a properly loaded cavity. Broadband, dual independent polarized, and hemisphere field-of-view coverage with low RCS characteristics is provided w... | 12/14/2010 |
| 7800550 | Dipole antenna array A dipole antenna array includes a dielectric substrate; electric tuning elements mounted on a first surface and a second surface of the dielectric substrate; resonance elements and ground elements; and a feed line. Each resonance element includes first resonance par... | 09/21/2010 |
| 7777685 | Small spherical antennas An antenna is provided for operating within the electrically small antenna regime (i.e., ka≅0.5), and having bandwidth performance quite close to fundamental limits. The antenna of the invention, in various embodiments, is based upon spherical resonator structures... | 08/17/2010 |
| 7777686 | Multi-layer isolated magnetic dipole antenna A multi-layer isolated magnetic dipole (IMD) with improved bandwidth and efficiency characteristics to be used in wireless communications and other applicable systems. The multi-layer IMD antenna comprises an IMD element positioned above a ground plane, a conductive... | 08/17/2010 |
| 7768471 | Dipole antenna device and dipole antenna system A dipole antenna device includes a first metal piece including at least one bending part and a first feeding point; a second metal piece including a second bending part and a second feeding point; and a third metal piece electrically connected to a first connection ... | 08/03/2010 |
| 7764245 | Multi-band antenna A multi-band antenna for use in a wireless communications network provides frequency support for different wireless technologies in a single structure. This substantially reduces installation costs and can be the only solution in limited space installation sites. In... | 07/27/2010 |
| 7760154 | Antenna apparatus There is provided with an antenna apparatus, including: a finite ground plate; a plurality of conductor plates arranged along and on both sides of a first gap line or a second gap line that intersect with the first gap line; a plurality of first linear ... | 07/20/2010 |
| 7733286 | Wideband printed dipole antenna for wireless applications In a broadband printed dipole antenna for wireless applications, metal plates of a radiation portion, a feed-in portion and a bandwidth modulation portion are formed on a substrate. Two radiation portions come with a specific shape and have an interval between the t... | 06/08/2010 |
| 7733285 | Integrated, closely spaced, high isolation, printed dipoles An antenna configuration includes two closely spaced antennas each positioned so as to be orthogonally polarized with respect to the other. The antenna configuration increases antenna isolation and reduces electromagnetic coupling between donor side antenna and repe... | 06/08/2010 |
| 7728781 | Transmission line notch filter A transponder includes a notch filter to suppress the 1300 MHz at minimal product cost increase. The notch filter utilizes a printed transmission line length adjusted to a correct length. This notch filter will connect to the antenna matching circuit at a junction b... | 06/01/2010 |
| 7724200 | Antenna device, array antenna, multi-sector antenna, high-frequency wave transceiver An antenna device having a feeder electrode that extends linearly on a top surface of a dielectric substrate. A balanced electrode having two balanced transmission electrodes vertical to the extending direction of the feeder electrode and extending in parallel. The ... | 05/25/2010 |
| 7714794 | RFID antenna An antenna particularly suitable for use in radio frequency identification (RFID) transponders. First and second half portions each include nominally straight conductive sections primarily defining a radiating characteristic and nominally spiral conductive sections ... | 05/11/2010 |
| 7692600 | Internal utility meter antenna A utility meter has an internal antenna for transmitting data. The antenna is positioned between the radome of the utility meter and its front surface. The antenna comprises dipole radiator that is generally curved to the shape of the meter housing. The dipole radia... | 04/06/2010 |
| 7692599 | Ultra-wideband shorted dipole antenna An ultra-wideband shorted dipole antenna includes a coaxial cable line and first and second open-loop radiating metal plates with substantially the same shape. The coaxial cable line has a central conducting wire and an outer grounder sheath. The first and second op... | 04/06/2010 |
| 7692598 | Method and apparatus for transmitting and receiving time-domain radar signals Time domain radar signals are transmitted and received from vee dipole antennas on circuit boards. The antennas are formed by spaced deposited copper pads and discrete surface mount resistors soldered between the copper pads. The antenna feed-points are connected di... | 04/06/2010 |
| 7667661 | Electronic device and short-circuited dipole antenna thereof An electronic device and short-circuited dipole antenna thereof are provided. The short-circuited dipole antenna comprises a first radiation unit, a second radiation unit and a short-circuited unit. The short-circuited unit comprises a first terminal connected to th... | 02/23/2010 |
| 7663567 | Antenna structure, transponder and method of manufacturing an antenna structure An antenna structure (106) comprising a first electrically conductive element (102) having a first end and a second end, a second electrically conductive element (103) having a first end and a second end, and a coupling structure (104) sh... | 02/16/2010 |
| 7659863 | Tag antenna A dipole part of a length shorter than half of an antenna resonance wavelength is placed so as to be rolled and enables a feeding part 11 to feed a chip. An inductance part 12 for adjusting the inductance of the antenna is provided so as to sandwich th... | 02/09/2010 |
