Patents Examined by Lam T. Mai
  • Patent number: 11128051
    Abstract: Examples disclosed herein relate to a multi-frequency electromagnetic feed line. The multi-frequency electromagnetic feed line includes a waveguide that has a plurality of slots arranged laterally along a length of the waveguide that corresponds to a first axis, in which the plurality of slots are configured to radiate electromagnetic signaling from an input end of the waveguide to a terminal end of the waveguide. The waveguide also has a plurality of vias arranged proximate to the terminal end of the waveguide in a predetermined angle relative to a second axis orthogonal to the first axis, in which the plurality of vias are configured to terminate the plurality of slots for different frequencies of an operating frequency band. A first slot of the plurality of slots that is arranged closest to the terminal end has varying distances to different vias. Other examples disclosed herein relate a method of fabricating a waveguide.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: September 21, 2021
    Inventor: Safa Kanan Hadi Salman
  • Patent number: 11128033
    Abstract: Disclosed herein is an impact recoverable antenna assembly. The antenna assembly includes, in certain examples, a conductive antenna element that is deformable from a default configuration to a deformed configuration in response to a deformation event. The conductive antenna element includes a first layer and a second layer that at least partially surrounds the first layer. In certain examples, one of the first layer or the second layer comprises a shape memory alloy configured to deform the conductive antenna element from the deformed configuration to the default configuration in response to a restoration event.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: September 21, 2021
    Assignee: The Boeing Company
    Inventor: Alireza Shapoury
  • Patent number: 11121720
    Abstract: The present invention provides an ADC including a first switched capacitor array, a second switched capacitor array, a third switched capacitor array, an integrator and a quantizer. The first switched capacitor array is configured to sample the input signal to generate a first sampled signal. The second switched capacitor array is configured to sample the input signal to generate a second sampled signal and generate a first quantization error. The third switched capacitor array is configured to sample the input signal to generate a third sampled signal and generate a second quantization error. The integrator is configured to receive the first quantization error and the second quantization error in a time-interleaving manner, and integrate the first/second quantization error to generate an integrated quantization error. The quantizer is configured to quantize the first sampled signal by using the integrated quantization error as a reference voltage to generate a digital output signal.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: September 14, 2021
    Assignee: MEDIATEK INC.
    Inventors: Chan-Hsiang Weng, Hung-Yi Hsieh, Tzu-An Wei, Ting-Yang Wang
  • Patent number: 11119053
    Abstract: Wireless sensing devices including stable near-field antennas are provided. A spacer layer is attached to a portion of the substrate adjacent to the antenna. The spacer layer has a thickness T, a relative permittivity k, and a figure of merit defined as the ratio of T (in micrometers) by k. The spacer layer has the figure of merit no less than 20 (micrometers).
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: September 14, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Zohaib Hameed, Nicholas T. Gabriel, Ronald D. Jesme, Christian Weinmann, Kristin J. Godbey, Bret W. Ludwig, John P. Baetzold
  • Patent number: 11114751
    Abstract: In aspects of a small cell installation structure, a carbon fiber skeleton provides stability and an attachable framework to mount wireless technology equipment. A formable foam material, such as a polyurethane material, is configured as a formable aesthetic housing around the carbon fiber skeleton, and a hardened polymer coating over the formable foam material is adapted to a shape of the formable aesthetic housing. The hardened polymer coating resists environmental conditions that may otherwise hamper performance of the wireless technology equipment. Additionally, an antenna housing module encloses antennas of the wireless technology equipment, is integrated with the carbon fiber skeleton, and is designed to pass millimeter wave (mmW) spectrum wireless signals.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: September 7, 2021
    Assignee: EasyStreet Systems, Inc.
    Inventors: Peter Joseph Chase, Kent Alton Harrison
  • Patent number: 11108151
    Abstract: There is described a device for managing communications comprising a sensor, first and second antennas, and first and second shields. The sensor has a field of view and includes a first side and a second side, in which the second side is substantially opposite the first side. The first antenna is positioned offset from the first side of the sensor, and the second antenna is positioned offset from the second side of the sensor. The first shield is positioned adjacent to the first side of the sensor and a first distance from the first antenna, and the second shield is positioned adjacent to the second side of the sensor and a second distance from the second antenna. The first shield focuses the first antenna toward the field of view, and the second shield focuses the second antenna toward the field of view.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: August 31, 2021
    Assignee: Enlighted, Inc.
    Inventors: Vijaykumar Santhakumar, Hariharan Muthukrishnan
  • Patent number: 11108150
    Abstract: A radome for vehicles comprising an internal base layer (1) formed of a radio transmissive resin; an intermediate decoration layer (2); and an external transparent resin layer (3), which is characterized in that the radome also comprises a camera (4) placed inside the radome or aligned with the external surface of the transparent resin layer (3). It allows more freedom for car designers by offering an integrated solution which is aesthetically pleasant, and it decreases part manufacturing complexity.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: August 31, 2021
    Assignee: ZANINI AUTO GRUP, S.A.
    Inventors: Benjamin Izquierdo Fernandez, Pol Tutusaus Carrete
  • Patent number: 11108402
    Abstract: Various embodiments relate to a single slope analog to digital converter (ADC), including: a voltage slope generator; a reference voltage generator configured to generate a first reference voltage, a second reference voltage, and a third reference voltage, where the first reference voltage equals the sum of the second reference voltage and the third reference voltage; a first comparator configured to compare a voltage to a voltage output from the voltage slope generator; a first register configured to store a first count based upon the first reference voltage being input into the first comparator; a second register configured to store a second count based upon the second reference voltage being input into the first comparator; a third register configured to store a third count based upon the third reference voltage being input into the first comparator; a fourth register configured to store a fourth count based upon a first input voltage being input into the first comparator, wherein the first input voltage i
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: August 31, 2021
    Assignee: NXP B.V.
    Inventor: Joan Wichard Strijker
  • Patent number: 11108385
    Abstract: There is provided a phase shifter circuit of an optical encoder that receives four signals generated from photodiodes. The phase shifter circuit includes four resistor strings each coupled to two of the four signals having a 90-degrees phase pitch. By taping out different numbers of signals at different tape-out nodes of each of the four resistor strings, the phase shifter circuit is adapted to output signals for different interpolation factors without changing the mask set.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: August 31, 2021
    Assignee: PIXART IMAGING INC.
    Inventors: Chung-Min Thor, Kuan-Choong Shim, Gim-Eng Chew
  • Patent number: 11101568
    Abstract: An antenna assembly includes a first antenna having a first length in a height direction, and a second antenna including a reflective surface having a second length in the height direction greater than or equal to the first length. The reflective surface of the second antenna is oriented towards a primary signal reception direction of the first antenna, and the reflective surface is configured to reflect a communication signal associated with the first antenna in order to increase a directional gain of the first antenna in the primary signal reception direction.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: August 24, 2021
    Inventors: Masashi Wakui, Antony Mihalopoulos
  • Patent number: 11101812
    Abstract: Various embodiments relate to analog-to-digital converter (ADC) controllers. An ADC controller may include a number of contexts configured for coupling to an ADC, wherein each context having at least one register for storing at least one configurable parameter. The ADC controller may also include a sequencer operatively coupled to the number of contexts and configured to perform a programmed conversion sequence based on one or more configurable parameters of one or more contexts of the number of contexts. Methods of performing an analog-to-digital (A/D) conversion sequence, and methods of configuring a number of contexts for an analog-to-digital converter (ADC) controller, are also disclosed.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: August 24, 2021
    Assignee: Microchip Technology Incorporated
    Inventors: Ashish Senapati, Kevin Kilzer, Prashanth Pulipaka
  • Patent number: 11095036
    Abstract: Antennas for radiating radio frequency energy that are integrated into a structure are provided. In particular, one or more nonconductive slots are formed in one or more convex layers or surfaces of a structure. Moreover, each nonconductive slot can be associated with one or more feeds. In at least some embodiments, the structure is an airfoil with a first convex surface joined to a second convex surface along an edge, and the at least one nonconductive slot extends from a point in the first surface or a layer of the structure including the first surface across the edge to a point in the second surface or a layer of the structure including the second surface.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: August 17, 2021
    Assignee: Ball Aerospace & Technologies Corp.
    Inventor: Jeremy R. Lambert
  • Patent number: 11095042
    Abstract: A dielectric element includes a bottom surface, a top surface, and a plurality of cells formed vertically between the bottom surface and the top surface. Each cell of the plurality of cells includes a cell sidewall that extends below the top surface toward the bottom surface. The cell sidewall forms an aperture in the top surface and tapers from the top surface toward a center of a respective cell. Each cell sidewall is formed of a dielectric material.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: August 17, 2021
    Assignee: The Boeing Company
    Inventors: Corey McKinney Thacker, Enrique Jesus Ruiz, Preston Tyler Bushey
  • Patent number: 11095014
    Abstract: An illustrative example embodiment of an antenna device includes a substrate, a plurality of antenna elements supported on the substrate, an integrated circuit supported on one side of the substrate, and a metallic waveguide antenna situated against the substrate. The metallic waveguide antenna includes a heat dissipation portion in a thermally conductive relationship with the integrated circuit. The heat dissipation portion is configured to reduce a temperature of the integrated circuit.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: August 17, 2021
    Assignee: APTIV TECHNOLOGIES LIMITED
    Inventors: Scott D. Brandenburg, David W. Zimmerman, Shawn Shi
  • Patent number: 11095038
    Abstract: The present invention provides a polarization control plate including n layers (n?4) of overlapping admittance sheets (10-1 to 10-6) each of which includes a plurality of plane unit cells, in which an admittance of a first plane unit cell included in an admittance sheet in a layer a (1?a?n) and an admittance of a second plane unit cell being included in an admittance sheet in a layer b (1?b?n and b?a) and overlapping the first plane unit cell are different from each other, and an admittance of the plane unit cell in an x direction and an admittance of the plane unit cell in a y direction are different from each other.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: August 17, 2021
    Assignee: NEC CORPORATION
    Inventors: Yoshiaki Kasahara, Eiji Hankui, Hiroshi Toyao, Keishi Kosaka, Mingqi Wu
  • Patent number: 11081793
    Abstract: According to one embodiment, an antenna device includes first to fourth phase shifters to shift phases of first and second left-hand circularly polarized wave signals and first and second right-hand circularly polarized wave signals. The control circuit determines first to fourth phase shift amounts in the first to fourth phase shifters based on a polarization angle and a radiation direction of a radio wave to be radiated. The first radiation element radiates a first left-hand circularly polarized wave in response to the first left-hand circularly polarized wave signal shifted and a first right-hand circularly polarized wave in response to the first right-hand circularly polarized wave signal shifted. The second radiation element radiates a second left-hand circularly polarized wave in response to the second left-hand circularly polarized wave signal shifted and a second right-hand circularly polarized wave in response to the second right-hand circularly polarized wave signal shifted.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: August 3, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventor: Makoto Sano
  • Patent number: 11082055
    Abstract: Systems and methods are described to time delay a signal output from an analog-to-digital converter (ADC). The ADC includes a digital sensor responsive to an analog field quantity. The digital sensor is configured to output an oversampled digital output signal at a sampling clock frequency. A time delay element is configured to receive as an input, the oversampled digital output signal and to output a time delayed oversampled digital output signal. A filter is configured to receive as an input the delayed oversampled digital output signal. The filter low pass filters and decimates to a lower sample rate the delayed oversampled digital output signal. An output includes a low pass filtered decimated delayed digital output signal, where the lower sample rate is less than the sampling clock frequency.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: August 3, 2021
    Assignee: SOLOS TECHNOLOGY LIMITED
    Inventors: Dashen Fan, Joseph Yong Kwon
  • Patent number: 11075453
    Abstract: Disclosed are embodiments of a microelectronics package that includes: first and second substrates (each having first and second sides); a chip; and a multi-element antenna connected to the chip. The chip is mounted on the first side of the first substrate. A first antenna element of the antenna is on the second side of the first substrate and electrically connected to the chip. The first side of the second substrate is adhered to the second side of the first substrate (i.e., covering the first antenna element). A second antenna element of the antenna is on the second side of the second substrate overlaying the first antenna element and physically separated therefrom by at least one ultra-low-K dielectric region within the first side of the second substrate and/or the second side of the first substrate. Optionally, the package includes multiple chips and/or multiple antennas. Also disclosed are associated method embodiments.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: July 27, 2021
    Assignee: GLOBALFOUNDRIES U.S. Inc.
    Inventors: Selaka B. Bulumulla, Koushik Ramachandran, Benjamin V. Fasano
  • Patent number: 11075458
    Abstract: An antenna system includes at least one antenna array. The antenna array includes a dielectric substrate, a ground plane, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a first feeding element, and a second feeding element. The second radiation element is adjacent to the first radiation element. The first radiation element is positioned between the second radiation element and the ground plane. The fourth radiation element is adjacent to the third radiation element. The third radiation element is positioned between the fourth radiation element and the ground plane. The first feeding element is coupled to a first connection point on the first radiation element and a second connection point on the third radiation element. The second feeding element is coupled to a third connection point on the first radiation element and a fourth connection point on the third radiation element.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: July 27, 2021
    Assignee: WISTRON NEWEB CORP.
    Inventors: Cheng-Geng Jan, Chieh-Sheng Hsu
  • Patent number: 11075459
    Abstract: A millimeter wave antenna device includes an antenna array, a first parasitic element and a second parasitic element. The antenna array includes m×n antennas and is disposed in an antenna area. The first parasitic element is disposed beside a first side of the antenna area. The second parasitic element is disposed beside a second side of the antenna area. None of the first parasitic element and the second parasitic element overlaps with the antenna area.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: July 27, 2021
    Assignee: MEDIATEK INC.
    Inventors: Shao-Yu Huang, Yeh-Chun Kao, Chung-Hsin Chiang, Shih-Huang Yeh