1
Robert J Vincent: Systems and methods for providing directional radiation fields using distributed loaded monopole antennas. University of Rhode Island Research Foundation, Gesmer Updegrove, March 8, 2016: US09281564 (75 worldwide citation)

An antenna system is disclosed that provides a directional radiation field. The antenna system includes at least two monopole antennas, each of which provides a differential connector. Each differential connector is associated with a signal having a different phase such that a radiation field associ ...


2
Johnson J H Wang: Miniaturized ultra-wideband multifunction antenna via multi-mode traveling-waves (TW). Wang Electro Opto Corporation, Thomas Horstemeyer, May 5, 2015: US09024831 (68 worldwide citation)

A miniaturized ultra-wideband multifunction antenna comprising a conducting ground plane at the base, a plurality of concentric feed cables, one or more omnidirectional one-dimensional (1-D) normal-mode and two-dimensional (2-D) surface-mode traveling-wave (TW) radiators, frequency-selective interna ...


3
Kunitoshi Nishikawa, Mitoshi Fujimoto: Wide band antenna for mobile communications. Kabushiki Kaisha Toyota Chuo Kenkyusho, Oblon Spivak McClelland Maier & Neustadt, March 6, 1990: US04907006 (65 worldwide citation)

An antenna to be mounted on a vehicle. The antenna includes a ground plate with an L-shaped radiator plate and an L-shaped sub-radiator plate. One leg of the radiator plate and sub-radiator plate are parallel to the ground plate. The parallel legs are spaced from the ground plate. The other leg is p ...


4
Chen Wu: Printed antenna structure for wireless data communications. Celestica International, Alex Porat, Blake Cassels & Graydon, December 28, 1999: US06008774 (50 worldwide citation)

A printed antenna structure for transmission of radio frequency energy in the gigahertz range that provides good dispersion characteristics and a relatively wide bandwidth using a thin substrate material. The antenna includes a thin printed circuit board having top and bottom surfaces. The bottom su ...


5
Ziming He: Low cost antenna design for wireless communications. Powerwave Technologies, OC Patent Law Group, November 9, 2010: US07830327 (32 worldwide citation)

A low cost and multi-featured antenna is disclosed. The antenna employs a radiating element mounted to a ground plane and having first and second branches spaced above the ground plane forming a generally L shaped planar radiating structure. The antenna can be either linear or circular polarization, ...


6
Olivier Colliou, Timothy Robertson, Mark Zdeblick: In-body device having a multi-directional transmitter. Proteus Digital Health, K&L Gates, January 13, 2015: US08932221 (30 worldwide citation)

Multi-directional transmitters for in-body devices, such as implantable and ingestible devices, are provided. Aspects of the in-body multi-direction transmitters of the invention include signal transmitters configured to transmit an identifying signal in at least two different directions in an x-y p ...


7
Jimmy L Y Wong, Howard E King: Compact, wideband antenna system. The Aerospace Corporation, William J Burke, August 22, 1989: US04860020 (25 worldwide citation)

A compact, wideband antenna system is provided by an open-sleeve, meander dual zigzag monopole consisting of a driven element configured from two symmetrically-oriented meander wires fed from a common feed point and one or two closely-spaced parasitic elements (open sleeves), also configured from tw ...


8
Paul D Marko: Low profile antenna. Motorola, Juliana Agon, February 2, 1993: US05184143 (23 worldwide citation)

A low profile antenna includes a rectangular driven element and a rectangular ground plate spaced from the driven element. A coaxial transmission has its center conductor connected to an end of the driven element and its ground connection connected to the end of the driven element spaced from the ce ...


9
Raymond H DuHamel: Circularly polarized loop and helix panel antennas. Flehr Hohbach Test Albritton & Herbert, July 10, 1979: US04160978 (23 worldwide citation)

An antenna including a conductive support for supporting a plurality of radiating elements in line next to one another above the conductive support and transmission lines serially connecting the radiating elements. The radiating elements of the loop or helix type with a turn length of substantially ...


10
Shunsuke Koyama, Teruhiko Fujisawa: Slot antenna device and wireless apparatus employing the antenna device. Seiko Epson Corporation, Oliff & Berridge, August 17, 1999: US05940041 (17 worldwide citation)

A miniaturized and thin slot antenna device maintains high transmitting and receiving performance by improving the configuration of an antenna body and a circuit substrate. The slot antenna device includes an antenna body made of an electrically conductive member having a slot into which the circuit ...