Patents by Inventor Eswarappa Channabasappa
Eswarappa Channabasappa 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: 11258169Abstract: Antenna structures and methods of operating the same of a dual-band inverted-F antenna of an electronic device are described. One device includes a single RF feed line coupled to a dual-band inverted-F antenna. The dual-band inverted-F antenna includes a RF feed coupled to the single RF feed line; a ground element; a first arm; a second arm; and a third arm coupled to the ground element. The RF feed is located at a point that is closer to the third arm than a first opening between a distal end of the first arm and the ground element. The second arm is located on an opposite side of the first arm than the ground element, forming a second opening between the second arm and the ground element and a third opening between the second arm and the first arm.Type: GrantFiled: August 18, 2020Date of Patent: February 22, 2022Assignee: Amazon Technologies, Inc.Inventors: Eswarappa Channabasappa, Amit Gaikwad
-
Patent number: 10756433Abstract: Antenna structures and methods of operating the same of a dual-band antenna of an electronic device are described. One device includes a single RF feed line coupled to a dual-band antenna. The dual-band antenna includes a ground element, a first arm, a shorting arm, a dual-arm structure, and a dual-element structure.Type: GrantFiled: February 25, 2019Date of Patent: August 25, 2020Assignee: Amazon Technologies, Inc.Inventors: Eswarappa Channabasappa, Amit Gaikwad
-
Patent number: 10637148Abstract: An apparatus includes a radio frequency (RF) feed and an extruded member made of metal and coupled to the RF feed. The extruded member includes a first surface that includes a first slot having a first width and a first length, and a second slot having a second width and a second length. The second width is at least 1.2 times greater than the first width. The second slot intersects the first slot at an angle with respect to the first slot that is between 70 and 110 degrees.Type: GrantFiled: January 18, 2018Date of Patent: April 28, 2020Assignee: Amazon Technologies, Inc.Inventors: Eswarappa Channabasappa, Anuj Dron, Adrian Napoles, Felipe Alonso Varela, Miguel Angel Morales
-
Patent number: 10419959Abstract: Systems, devices, methods, computer-readable media, techniques, and methodologies are disclosed for optimizing radio frequency configuration of a user device for better power management and faster time to first fix. The radio frequency configuration of user devices may be optimized based on user input analysis, machine learning, or crowd sourcing methodologies.Type: GrantFiled: July 10, 2018Date of Patent: September 17, 2019Assignee: Amazon Technologies, Inc.Inventors: Anuj Dron, Rohit Sammeta, Adrian Napoles, Ulf Jan Ove Mattsson, Chun Kit Lai, Daejoung Kim, Namhoon Kim, Eswarappa Channabasappa, Peruvemba Ranganathan Sai Ananthanarayanan
-
Patent number: 10051499Abstract: Systems, devices, methods, computer-readable media, techniques, and methodologies are disclosed for optimizing radio frequency configuration of a user device for better power management and faster time to first fix. The radio frequency configuration of user devices may be optimized based on user input analysis, machine learning, or crowd sourcing methodologies.Type: GrantFiled: December 4, 2014Date of Patent: August 14, 2018Assignee: Amazon Technologies, Inc.Inventors: Anuj Dron, Rohit Sammeta, Adrian Napoles, Ulf Jan Ove Mattsson, Chun Kit Lai, Daejoung Kim, Namhoon Kim, Eswarappa Channabasappa, Peruvemba Ranganathan Sai Ananthanarayanan
-
Patent number: 9917373Abstract: Antenna structures and methods of operating the same are described. One apparatus includes a metal housing that includes a first slot formed in a first portion of a wall of the metal housing and a second slot formed in a second portion of the wall. The apparatus includes a fin structure disposed within the metal housing. The fin structure includes fins that form a first sectorial cavity behind the first portion of the wall corresponding to the first slot and a second sectorial cavity behind the second portion of the wall corresponding to the second slot. Radio frequency (RF) circuitry is disposed on a circuit board disposed within the metal housing and is operable to radiate electromagnetic energy via the first slot and to radiate electromagnetic energy via the second slot.Type: GrantFiled: August 3, 2015Date of Patent: March 13, 2018Assignee: Amazon Technologies, Inc.Inventors: Eswarappa Channabasappa, Adrian Napoles
-
Patent number: 9912041Abstract: Antenna carriers with magneto-dielectric material and beam-shaping elements for enhanced performance and radiation safety of electronic devices are described. One electronic device includes a housing, an antenna element disposed on an antenna carrier, and a printed circuit board (PCB) disposed within the housing, the printed circuit board including radio frequency (RF) circuitry. The antenna carrier can be made up of a plastic cap, a ground plane, and a magneto-dielectric substrate with both dielectric and magnetic properties. The plastic cap is disposed at a first side of the housing and the magneto-dielectric substrate is disposed on a top surface of the plastic cap. The antenna element is disposed on a bottom surface of the magneto-dielectric substrate and electrically coupled to the RF circuitry. The antenna element radiates electromagnetic energy in a resonant mode and the magnetic property of the magneto-dielectric material increase efficiency, frequency bandwidth, or both.Type: GrantFiled: November 6, 2014Date of Patent: March 6, 2018Assignee: Amazon Technologies, Inc.Inventors: Eswarappa Channabasappa, Adrian Napoles, Chun Kit Lai, Daejoung Kim, Seng Chin Tai, Peruvemba Ranganathan Sai Ananthanarayanan, Anuj Dron, Namhoon Kim, Ulf Jan-Ove Mattsson, Rohit Sammeta
-
Patent number: 9774362Abstract: A user device obtains sensor data from sensors included in the user device. A set of current state information is determined based on the sensor data. A tuner code associated with the current state information is identified. Tuning values associated with the tuner code are varied during a training stage to determine an optimized tuner code. One or more antennae of the user device are tuned for communication in accordance with the optimized tuner code.Type: GrantFiled: November 7, 2014Date of Patent: September 26, 2017Assignee: Amazon Technologies, Inc.Inventors: Rohit Sammeta, Anuj Dron, Peruvemba Ranganathan Sai Ananthanarayanan, Chun Kit Lai, Eswarappa Channabasappa, Namhoon Kim, Dave Kim, Adrian Napoles, Ulf Jan-Ove Mattsson
-
Patent number: 9756544Abstract: A user device selects a communication module from a plurality of communication modules of the user device to communicate first data to a first device in a first configuration, selects a first antenna from a plurality of antennas of the user device to communicate the first data in the first configuration, and couples the communication module to the first antenna in the first configuration. The user device additionally selects the communication module to communicate second data to a second device in a second configuration, selects the first antenna and a second antenna from the plurality of antennas to communicate the second data in the second configuration, and couples the communication module to the first antenna and the second antenna in the second configuration.Type: GrantFiled: October 31, 2014Date of Patent: September 5, 2017Assignee: Amazon Technologies, Inc.Inventors: Peruvemba Ranganathan Sai Ananthanarayanan, Chun Kit Lai, Adrian Napoles, Namhoon Kim, Eswarappa Channabasappa, Ulf Jan Ove Mattsson, Anuj Dron, Daejoung Kim, Rohit Sammeta
-
Patent number: 9692125Abstract: Antenna structures and methods of operating the same are described. One antenna structure having a stacked patch antenna including a first patch structure disposed in a first plane and a second patch structure disposed in a second plane, a first parasitic patch antenna that is coplanar with the second patch structure, and a second parasitic patch antenna that is coplanar with the second patch structure. The first patch structure includes a first substrate with a ground plane and a first patch element. The second patch structure includes a second substrate with a second patch element. The first parasitic patch antenna is disposed adjacent a first side of the second patch structure in the second plane. The second parasitic patch antenna is disposed adjacent a second side of the second patch structure in the second plane.Type: GrantFiled: September 14, 2015Date of Patent: June 27, 2017Assignee: Amazon Technologies, Inc.Inventors: Eswarappa Channabasappa, Adrian Napoles
-
Patent number: 9415869Abstract: A plurality of UAVs may be operated in a fleet, each of the UAVs in the fleet being configured to work collectively to achieve one or more functions, such as to create a display or implement an antenna array. The fleet of UAVs may operate individually and/or may be coupled to one another to operate as a collective unit. In some embodiments, one or more UAVs in the fleet may operate individually, while two or more UAVs in the fleet may be connected to one another. In such embodiments, the individual UAVs and the connected UAVs may together comprise the fleet.Type: GrantFiled: March 26, 2015Date of Patent: August 16, 2016Assignee: Amazon Technologies, Inc.Inventors: Danny Chan, Eswarappa Channabasappa, Namhoon Kim, Tzung-I (Ian) Lee, Ulf Jan Ove Mattsson, Joseph Christopher Modro, Ming Zheng
-
Patent number: 9397727Abstract: An electronic device including a Near Field Communication (NFC) antenna and a slot antenna is described. The slot antenna may be formed by a slot opening in a housing of the electronic device. The slot opening may be shaped as a rectangular slot, a T-shaped slot, or T-shaped slot leading into a circular opening. The slot opening exposes the NFC antenna and allows the NFC antenna to radiate in a first frequency band while the slot antenna radiates at a second frequency band.Type: GrantFiled: December 11, 2014Date of Patent: July 19, 2016Assignee: Amazon Technologies, Inc.Inventors: Ulf Jan-Ove Mattsson, Chun Kit Lai, Peruvemba Ranganathan Sai Ananthanarayanan, Namhoon Kim, Eswarappa Channabasappa, Adrian Napoles, Anuj Dron, Rohit Sammeta, Seng Chin Tai
-
Publication number: 20160127972Abstract: A user device selects a communication module from a plurality of communication modules of the user device to communicate first data to a first device in a first configuration, selects a first antenna from a plurality of antennas of the user device to communicate the first data in the first configuration, and couples the communication module to the first antenna in the first configuration. The user device additionally selects the communication module to communicate second data to a second device in a second configuration, selects the first antenna and a second antenna from the plurality of antennas to communicate the second data in the second configuration, and couples the communication module to the first antenna and the second antenna in the second configuration.Type: ApplicationFiled: October 31, 2014Publication date: May 5, 2016Inventors: Peruvemba Ranganathan Sai Ananthanarayanan, Chun Kit Lai, Adrian Napoles, Namhoon Kim, Eswarappa Channabasappa, Ulf Jan Ove Mattsson, Anuj Dron, Daejoung Kim, Rohit Sammeta
-
Patent number: 7847736Abstract: An antenna formed on a dielectric substrate having first and second opposing surfaces, a first meander antenna element disposed on the first surface of the substrate and a second meander antenna element disposed on the second surface of the substrate.Type: GrantFiled: August 24, 2006Date of Patent: December 7, 2010Assignee: Cobham Defense Electronic SystemsInventor: Eswarappa Channabasappa
-
Patent number: 7636063Abstract: The invention provides a compact patch antenna having a cavity underneath the driver patch, so that the electromagnetic volume of the antenna is expanded without increasing the overall area of the antenna. More specifically, the compact patch antenna comprises a base layer having a cavity, a ground plane located on the base layer, and having an opening over at least a portion of the cavity, a substrate located on the ground plane, and a driver patch located on the substrate. The invention further provides a method for constructing a compact patch antenna, comprising the steps of providing a base layer having a cavity, providing a ground plane located on the base layer, and having an opening over at least a portion of the cavity, providing a substrate located on the ground plane, and providing a driver patch located on the substrate.Type: GrantFiled: December 2, 2005Date of Patent: December 22, 2009Inventor: Eswarappa Channabasappa
-
Patent number: 7626549Abstract: A planar antenna comprising a signal path for receiving or transmitting a signal, a conductive layer having a slot formed therein positioned to electromagnetically couple with the signal path, a conductive plate parallel to and overlying the slot and spaced therefrom by a dielectric layer, the conductive plate being electrically in contact with the signal path, and one or more patches parallel to and above the conductive plate.Type: GrantFiled: March 28, 2007Date of Patent: December 1, 2009Inventor: Eswarappa Channabasappa
-
Patent number: 7486239Abstract: A dual polarization planar antenna comprising a first layer comprising a first patch, a second layer beneath the first layer comprising a first feed line for coupling a first signal to the first patch and a second feed line for coupling a second signal to the first patch such that the first patch radiates a field that has two different polarizations, and a third layer comprising first and second coupling discs electrically connected to the first feed line and third and fourth coupling discs electrically connected to the second feed line, wherein the first and second discs are electrically coupled to each other by a first half wavelength conductor and the third and fourth discs are electrically coupled the each other by a second half wavelength conductor, the first and second half wavelength conductors not being disposed in the second layer.Type: GrantFiled: September 27, 2007Date of Patent: February 3, 2009Inventor: Eswarappa Channabasappa
-
Publication number: 20080238793Abstract: A planar antenna comprising a signal path for receiving or transmitting a signal, a conductive layer having a slot formed therein positioned to electromagnetically couple with the signal path, a conductive plate parallel to and overlying the slot and spaced therefrom by a dielectric layer, the conductive plate being electrically in contact with the signal path, and one or more patches parallel to and above the conductive plate.Type: ApplicationFiled: March 28, 2007Publication date: October 2, 2008Applicant: M/A-Com, Inc.Inventor: Eswarappa Channabasappa
-
Patent number: 7427949Abstract: A multi-element antenna with sufficiently small return loss and mutual coupling signals to allow the simultaneous transmission of powerful radar signals and the reception of faint target return signals. The microstrip patch antenna has radio frequency absorbing material place between neighboring antenna elements to reduce the mutual coupling leakage signals.Type: GrantFiled: December 5, 2005Date of Patent: September 23, 2008Assignee: M/A-COM, Inc.Inventors: Eswarappa Channabasappa, Robert Egri
-
Patent number: 7388457Abstract: In accordance with the principles of the present invention, a dielectric resonator is provided with a longitudinal through hole with a diameter that varies as a function of height of the resonator so as to increase the frequency spacing between the fundamental mode and the spurious modes.Type: GrantFiled: January 20, 2005Date of Patent: June 17, 2008Assignee: M/A-COM, Inc.Inventors: Kristi Dhimiter Pance, Eswarappa Channabasappa