Patents by Inventor Aldo Petosa
Aldo Petosa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 10797108Abstract: An electronic component such as a voltage controllable reconfigurable capacitor or transistor is formed by printing one or more layers of ink on a non-conductive substrate. Ferroelectric ink or semi-conductive ink is printed and conductive resistive or dielectric ink is printed on a s same or different layers. Reconfigurability is achieved by printing resistive biasing circuitry wherein when a changing voltage is applied to the biasing circuitry, an electronic property of the electronic component changes in response to the changing voltage.Type: GrantFiled: April 26, 2018Date of Patent: October 6, 2020Assignee: Her Majesty the Queen in the Right of Canada, as represented by the Minister of Industry, through the Communication Research Centre CanadaInventors: Khelifa Hettak, Jafar Shaker, Aldo Petosa, Jonathan Ethier, Reza Chaharmir, Ming Li, Nicolas Gagnon
-
Publication number: 20190074325Abstract: An electronic component such as a voltage controllable reconfigurable capacitor or transistor is formed by printing one or more layers of ink on a non-conductive substrate. Ferroelectric ink or semi-conductive ink is printed and conductive resistive or dielectric ink is printed on a s same or different layers. Reconfigurability is achieved by printing resistive biasing circuitry wherein when a changing voltage is applied to the biasing circuitry, an electronic property of the electronic component changes in response to the changing voltage.Type: ApplicationFiled: April 26, 2018Publication date: March 7, 2019Inventors: Khelifa HETTAK, Jafar SHAKER, Aldo PETOSA, Jonathan ETHIER, Reza CHAHARMIR, Ming LI, Nicolas GAGNON
-
Patent number: 8743000Abstract: A thin electromagnetic phase shifting element, named phase and amplitude shifting surface (PASS), is disclosed. The PASS is capable of independently altering both the phase and the amplitude distribution of the electromagnetic fields propagating through the structure. The element comprises a few patterned metallic layers separated by dielectric layers. The patterns of the metallic layers are tuned to locally alter the phase and/or the amplitude of an incoming electromagnetic wave to a prescribed set of desired values for the outgoing electromagnetic wave. The PASS can be applied to design components such as gratings, lenses, holograms, and various types of antennas in the microwave, millimeter wave and sub-millimeter wave.Type: GrantFiled: July 28, 2010Date of Patent: June 3, 2014Assignee: Her Majesty the Queen in Right of Canada, as Represented by the Minister of Industry, through the Communications Research Centre CanadaInventors: Nicolas Gagnon, Aldo Petosa, Derek A. McNamara
-
Publication number: 20110025432Abstract: A thin electromagnetic phase shifting element, named phase and amplitude shifting surface (PASS), is disclosed. The PASS is capable of independently altering both the phase and the amplitude distribution of the electromagnetic fields propagating through the structure. The element comprises a few patterned metallic layers separated by dielectric layers. The patterns of the metallic layers are tuned to locally alter the phase and/or the amplitude of an incoming electromagnetic wave to a prescribed set of desired values for the outgoing electromagnetic wave. The PASS can be applied to design components such as gratings, lenses, holograms, and various types of antennas in the microwave, millimetre wave and sub-millimetre wave.Type: ApplicationFiled: July 28, 2010Publication date: February 3, 2011Inventors: Nicolas Gagnon, Aldo Petosa, Derek A. McNamara
-
Patent number: 6940463Abstract: An ultra-wideband antenna for operating in a frequency is disclosed wherein a monopole antenna extends from a ground plane. The monopole has an effective length L of one quarter wavelength at the lowest frequency f1. A dielectric resonator antenna (DRA) surrounds the monopole antenna for resonating at substantially between or at two and three times the lowest frequency f1, the DRA is of a height of less than ¾ L and is disposed in such a manner as being above the ground plane and either contacting or spaced therefrom by a gap G, wherein 0?G?0.2 H. The ultra-wideband antenna is of a much greater bandwidth than the sum of bandwidth of the monople or the DRA alone.Type: GrantFiled: July 24, 2003Date of Patent: September 6, 2005Assignee: Her Majesty the Queen in Right of Canada, as represented by the Minister of Industry, through the Communications Research Centre CanadaInventors: Apisak Ittipiboon, Aldo Petosa, Soulideth Thirakoune, David Lee, Marc Lapierre, Yahia Autar
-
Publication number: 20050017903Abstract: An ultra-wideband antenna for operating in a frequency is disclosed wherein a monopole antenna extends from a ground plane. The monopole has an effective length L of one quarter wavelength at the lowest frequency f1. A dielectric resonator antenna (DRA) surrounds the monopole antenna for resonating at substantially between or at two and three times the lowest frequency f1. the DRA is of a height of less than ¾ L and is disposed in such a manner as being above the ground plane and either contacting or spaced therefrom by a gap G, wherein 0?G?0.2 H. The ultra-wideband antenna is of a much greater bandwidth than the sum of bandwidth of the monople or the DRA alone.Type: ApplicationFiled: July 24, 2003Publication date: January 27, 2005Inventors: Apisak Ittipiboon, Aldo Petosa, Soulideth Thirakoune, David Lee, Marc Lapierre, Yahia Autar
-
Patent number: 6459414Abstract: The invention relates to an antenna structure for radiating electromagnetic waves in predetermined polarization configurations. A dielectric substrate is provided with a copper conductive pattern printed on each side. The conductors act as scattering elements and are printed for scattering radiation provided along a first predetermined feed direction or alone a second feed direction independently. Preferably, the pattern of the copper is based on an interference pattern and two feeds are used, one to provide radiation along each of the two feed directions. When used as a traveling wave antenna, the resulting structure is flat, having a low profile, and lightweight with simple electronics. Improved isolation Occurs when the printed interference patterns each contain only a component along a single direction such that each scattering element is linear and is parallel to or orthogonal to other scattering elements.Type: GrantFiled: July 3, 2000Date of Patent: October 1, 2002Assignee: Her Majesty the Queen in right of Canada as represented by the Minister of IndustryInventors: Kathia Lévis, Apisak Ittipiboon, Aldo Petosa, Michel Cuhaci
-
Patent number: 6281845Abstract: A dielectric loaded microstrip patch antenna is provided for delivering relatively wide operational bandwidth dual-band, with relatively good isolation and flexibility for circular polarization, while having a compact design and lightweight to suit mobile and wireless applications. The microstrip patch antenna has a conducting ground plane and a patch radiator. The patch radiator is spaced from the ground plane by a substantial distance having a first dielectric material therein. A slot feed in the ground plane provides the patch radiator with radio signal energy across the space having the first dielectric material therein. A piece of a second dielectric material is disposed adjacent the slot feed between the patch radiator and the ground plane. The second dielectric material has a dielectric constant that is higher than the dielectric constant of the first dielectric material. The piece of the second dielectric material acts to load the feed in order to improve coupling between the slot and the patch.Type: GrantFiled: December 6, 1999Date of Patent: August 28, 2001Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of IndustryInventors: Apisak Ittipiboon, Aldo Petosa, Michel Cuhaci
-
Patent number: 5952972Abstract: A dielectric resonator antenna system is disclosed wherein a dielectric material having a high dielectric constant is placed between a dielectric resonator antenna (DRA) and the antenna feed. Preferably the dielectric material having a high dielectric constant is either in the form of an insert within a cavity of the DRA or alternatively is in the form of a thin layer between the feed and the DRA for enhancing coupling therebetween. It is preferred that the high dielectric constant material be at least twice the value of the dielectric resonator antenna.Type: GrantFiled: March 26, 1997Date of Patent: September 14, 1999Assignee: Her Majesty the Queen In right of Canada as represented by the Minister of Industry through the Communications Research CentreInventors: Apisak Ittipiboon, Dave Roscoe, Aldo Petosa, Rajesh Mongia, Michel Cuhaci, Richard LaRose