Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 8188934 | Antenna structure and a method for its manufacture The antenna has an antenna element and a feed tower for forming a feed to the antenna element. In addition, the antenna has a dielectric support plate, which is mechanically fastened to the first end of the feed tower. The antenna element is in the form of a folded ... | 05/29/2012 |
| 8164537 | Multiband folded dipole transmission line antenna A multiband folded dipole transmission line antenna (300, 400, 500) including a plurality of concentric-like loops (210, 214, 508) where each loop comprises at least one transmission line element (204, 206) and at least a pair of folded dipole a... | 04/24/2012 |
| 8102327 | Balanced microstrip folded dipole antennas and matching networks Balanced microstrip folded dipole antennas and matching networks are disclosed. In some examples, an antenna system includes a printed circuit board having first and second dielectric layers, and respective portions of the first and second dielectric layers bound a ... | 01/24/2012 |
| 8094084 | Omnidirectional antenna for indoor and outdoor use A plate-shaped radiating element of a shape having at least three planes is formed by bending a metal plate having a substantially rectangular shape. A first slit is provided from a lower edge of the plate-shaped radiating element up to a portion in the vicinity of ... | 01/10/2012 |
| 8013800 | Multiband conformed folded dipole antenna A multiband comformed-slotted-folded dipole antenna (200) having a unitary conformed shape conductor conforming to an internal communication device configuration (400). The antenna can include a folded dipole (203, 205, 209, 206, 204) forming a ... | 09/06/2011 |
| 7961154 | Antenna with near-field radiation control An antenna and a wireless mobile communication device incorporating the antenna are provided. The antenna includes a first conductor section electrically coupled to a first feeding point, a second conductor section electrically coupled to a second feeding point, and... | 06/14/2011 |
| 7944402 | Dipole antenna capable of supporting multi-band communications According to one embodiment of the present invention, a dipole antenna capable of supporting multi-band communications, includes a first portion of the antenna in a folded structure, a second portion of the antenna that includes a first coupling pad and a second cou... | 05/17/2011 |
| 7773045 | Antenna and RFID tag An antenna line is configured with a conductor line that meanders in a shape where a plurality of lines of the same shape, which are bent only at an obtuse angle, are provided in sequence. ... | 08/10/2010 |
| 7750864 | RFID tag having a folded dipole A circuit array, comprising a substrate, and comprising an electrically conducting folded dipole antenna arranged on and/or in the substrate, the folded dipole antenna having a first antenna connection and having a second antenna connection, and wherein the folded d... | 07/06/2010 |
| 7692601 | Dipole antennas and coaxial to microstrip transitions The invention relates in part to a folded dipole having a dipole axis and a pair of arms which together have a profile which is concave on one side and convex on the other when viewed along the dipole axis. The dipoles may be arranged as a dipole box around a centra... | 04/06/2010 |
| 7583235 | Folded dipole loop antenna having matching circuit integrally formed therein A folded dipole loop antenna has a matching circuit integrally formed therein. The antenna includes a radiating unit formed in the shape of a loop, and the matching circuit has an extended part projected and extended toward a central area of the radiating unit from ... | 09/01/2009 |
| 7580000 | Folding dipole antenna and tag using the same In a folded dipole antenna, both ends of a first dipole portion with a feeding portion are connected to both ends of a second dipole portion so that a slot portion may be formed, and the first and the second dipole portion have a width for generating a linearly-pola... | 08/25/2009 |
| 7394438 | Wave antenna wireless communication device and method A wireless communication device coupled to a wave antenna that provides greater increased durability and impedance matching. The wave antenna is a conductor that is bent in alternating sections to form peaks and valleys. The wireless communication device is coupled ... | 07/01/2008 |
| 7375689 | Multi-band antenna of compact size A multi-band antenna of compact size includes a conductor of uniform cross-section folded to form the antenna with a connection portion, a low-frequency first radiation portion, and a high-frequency second radiation portion. The connection portion has a feeding poin... | 05/20/2008 |
| 7375685 | Dual band electrically small microstrip antenna A multiple band electrically small compact planar microstrip antenna at VHF and UHF frequencies is provided that permits both a considerably abbreviated antenna length and significantly high efficiency antenna performance. The multiple band electrically small compac... | 05/20/2008 |
| 7358922 | Directed dipole antenna A dual polarized variable beam tilt antenna having a superior Sector Power Ratio (SPR). The antenna may have slant 45 degree dipole radiating elements including directors, and may be disposed on a plurality of tilted element trays to orient an antenna boresight down... | 04/15/2008 |
| 7312755 | Internal antenna of wireless communication terminal An internal antenna of a wireless communication terminal, in which internal style folded monopole antenna is installed, is provided. The internal antenna of a wireless communication terminal includes a folded monopole antenna. The folded monopole antenna includes tw... | 12/25/2007 |
| 7292200 | Parasitically coupled folded dipole multi-band antenna An antenna is provided which includes a primary folded dipole element and a feed for the primary folded dipole element. The primary folded dipole element is operable to resonate at a first frequency range. A parasitic dipole element is located within the primary fol... | 11/06/2007 |
| 7286090 | Meander feed structure antenna systems and methods A transmitting and receiving system including an antenna element having first and second current paths, and a meander feed line connected to said first and second current paths, the meander feed line including a radiating portion parallel to the first current path, ... | 10/23/2007 |
| 7271779 | Method, system and apparatus for an antenna Embodiments of the present invention provide a microstrip-coupled dipole antenna. A microstrip of the antenna may be formed on top of a printed circuit board (PCB) and coupled to a transmission line such that the microstrip is operable to transfer electromagnetic en... | 09/18/2007 |
| 7253775 | Antenna with near-field radiation control An antenna and a wireless mobile communication device incorporating the antenna are provided. The antenna includes a first conductor section electrically coupled to a first feeding point, a second conductor section electrically coupled to a second feeding point, and... | 08/07/2007 |
| 7242361 | Antenna structure with filter effect An antenna structure for transmitting and/or receiving radio waves has a symmetrically arranged radiator element with a first connecting terminal and a second connecting terminal, said radiator element being tuned to a useful frequency. Moreover, it has at least one... | 07/10/2007 |
| 7205954 | Meander line antenna A meander line antenna formed in the shape of meander is disclosed. The meander line antenna includes a bottom half section that is constituted by a folded conductive pattern of a folded dipole antenna, and includes a feeding point for mounting an IC chip at the cen... | 04/17/2007 |
| 7183993 | Dipole antenna A dual-band antenna for communication device includes a first dipole antenna, a second dipole antenna and a coaxial feed line. The first dipole antenna includes a first radiating element disposed at a first plane and a first ground portion disposed at a second plane... | 02/27/2007 |
| 7183984 | Multiple-element antenna with parasitic coupler A multiple-element antenna for a multi-band wireless mobile communication device is provided. The multiple-element antenna includes a first antenna element, a second antenna element positioned adjacent the first antenna element, and a parasitic coupler positioned ad... | 02/27/2007 |
| 7180462 | UHF broadband antenna In a UHF broadband antenna, a pair of dipole elements are provided. Each of the dipole elements is shaped into a rectangular plate. A power feeding point is provided on each of the dipole elements ... | 02/20/2007 |
| 7170448 | Omnidirectional resonant antenna An omnidirectional resonant antenna in a half-plane or in the whole plane comprises a single radiating electric conductor (26) having at least three abutted wires (28, 30, 32), the length of each wire and the orientation of the wires relative to one an... | 01/30/2007 |
| 7170867 | Radio frequency data communications device A radio frequency identification device includes an integrated circuit including a receiver, a transmitter, and a microprocessor. The receiver and transmitter together define an active transponder. The integrated circuit is preferably a monolithic single die integra... | 01/30/2007 |
| 7170452 | Portable computer A portable computer having: a main body; and a monitor in which a planar inverted F antenna (PIFA) is installed. The planar inverted F antenna has: a ground plane; a first radiator connected to the ground plane, spaced from the ground plane; and a second radiator co... | 01/30/2007 |
| 7132778 | Surface acoustic wave modulator An acoustic wave identification transponder device, having a substrate, an electroacoustic transfer generating an acoustic wave in said substrate and a set of encoding elements disposed in a path of the acoustic wave for modifying the acoustic wave, having elements ... | 11/07/2006 |
| 7109927 | Miniature multi-band, electrically folded, monopole antenna A miniature broadband monopole antenna design configured with integrated band-selecting filtering is disclosed. The antenna is electrically folded, and includes top and bottom monopole sections, with a meanderline to provide an inductive load between the two section... | 09/19/2006 |
| 7109936 | Antenna and radio communication device provided with the same An antenna is shaped to include a substantially 1-wavelength loop portion and a pair of dipole portions. The loop portion includes vertical portions, which are located opposite to each other in a vertical direction. The dipole portions share part of the loop portion... | 09/19/2006 |
| 7106201 | Communication devices, remote intelligent communication devices, electronic communication devices, methods of forming remote intelligent communication devices and methods of forming a radio frequency identification device The present invention provides electronic communication devices, methods of forming electrical communication devices, and communications methods. An electronic communication device adapted to receive electronic signals includes: a housing comprising a substrate and ... | 09/12/2006 |
| 7098860 | High performance low cost dipole antenna for wireless applications A printed dipole antenna comprises bent dipole arms connected to respective feed lines formed on opposed surfaces of a substrate. In one particular embodiment, the dipole antenna is provided as a folded dipole, including two or more connector lines to provide an inc... | 08/29/2006 |
| 7084833 | Antenna with polarization diversity The antenna, particularly for portable televisions, comprises two ports coupled to a radiating element (11), the two ports being placed on the radiating element at 90° to each other and at 45° relative to a horizontal plane. The two ports are linked to a br... | 08/01/2006 |
| 7079043 | Radio frequency data communications device A radio frequency identification device comprises an integrated circuit including a receiver, a transmitter, and a microprocessor. The receiver and transmitter together define an active transponder. The integrated circuit is preferably a monolithic single die integr... | 07/18/2006 |
| 7049966 | Flat antenna architecture for use in radio frequency monitoring systems A flat antenna architecture for use in radio frequency monitoring systems including a patch antenna configured for use on a conductive surface of an object to be monitored. The patch antenna includes a conductive patch formed on a first surface of a dielectric base ... | 05/23/2006 |
| 6980161 | Radio transceiver card communicating in a plurality of frequency bands A card includes in a radio transceiver that communicates in first and second frequency bands. First and second antennas are in the card and are coupled to the radio transceiver. A microprocessor in the card selects one of the first and second antennas. ... | 12/27/2005 |
| 6967629 | Low profile antenna A low profile antenna having relatively high radiation resistance, wide bandwidth and which utilizes a single conductor and RF source is disclosed. In accordance with an exemplary embodiment, the upper horizontal portion and the lower horizontal portion of the doubl... | 11/22/2005 |
| 6961028 | Low profile dual frequency dipole antenna structure An antenna includes a first dipole having first and second stripline radiating elements extending in opposite directions from a central feed point and along a generally rectangular outline of the antenna. The first dipole is operable to be resonant at a first freque... | 11/01/2005 |
