137 patents
Page 5 of 7
Design
Antenna apparatus
30 Aug 22
Jackson Shaffner, Anthony Sims, Michael J. Conte, Victor Q. Dang, David Milroy, Duncan Edwin Adams
Filed: 9 Jan 20
Utility
Near zero intermediate frequency (NZIF) compensation of local oscillator leakage
30 Aug 22
In an embodiment, a communications system includes a transmitter including a digital beamforming baseband section including a digital mixer, the digital beamforming section configured to receive an input signal to be transmitted, the input signal at a baseband frequency; and a modulation section electrically coupled to the digital beamforming baseband section, the modulation section including an up converter configured to receive a local oscillator signal at a local oscillator frequency.
David Francois Jacquet, Marc Gens, Paul Lee Pearson, Pascal Triaire
Filed: 13 May 20
Utility
Digital Pre-distortion Compensation Using Combined Direct and Indirect Learning
11 Aug 22
A wireless communications system includes a pre-distortion actuator configured to receive a carrier-modulated signal and convert the carrier-modulated signal into an output signal.
Martin S. McCormick, Feipeng Wang
Filed: 14 Feb 22
Utility
Phase Lock Loop (PLL) Synchronization
21 Jul 22
In an embodiment, an apparatus includes an integrated circuit (IC) chip configured to receive a timing signal and a reference clock signal.
David Francois Jacquet, Mostafa Ghazali, Masoud Kahrizi, Andras Tantos
Filed: 5 Apr 22
Utility
High glass transition temperature epoxy formulations for cryogenic applications
5 Jul 22
A method of increasing the glass transition point of a cured epoxy comprising a bisphenol A diglycidyl ether and a polyetheramine includes the step of including 1,8-diamino-p-menthane as an additional hardener for curing the epoxy.
Wenhong Fan, Ryan Christopher Kennett, Joshua James Conlon
Filed: 7 May 19
Utility
Over-the-air calibration of antenna system
14 Jun 22
In an embodiment, an apparatus included in a communications system includes a transmit section including a first baseband section and a first radio frequency (RF) section, wherein the transmit section is configured to receive a calibration signal, the first RF section is configured to generate a RF calibration signal based on the calibration signal, and wherein the calibration signal comprises an orthogonal code based signal; and a receive section configured to receive the RF calibration signal over-the-air, wherein the receive section includes a second RF section and a calibration section, wherein the second RF section is configured to generate a received calibration signal based on the RF calibration signal, and wherein the calibration section is configured to determine one or more of gain, baseband delay, or RF delay compensation values, based on the inputs, to calibrate the transmit section.
David Francois Jacquet, Masoud Kahrizi, Robert Baummer, Jr., Jean-Noel Rozec, Fabrice Jean André Belvèze, Paul Lee Pearson, Francois Lucien Emile Icher, Marc Gens, Pascal Triaire
Filed: 13 May 20
Utility
Antenna Modules In Phased Array Antennas
12 May 22
An apparatus includes a plurality of conductive structures having first sides and second sides opposite the first sides, wherein the second sides of the plurality of conductive structures are configured to be physically coupleable with a printed circuit board (PCB) of a receiver or a transmitter.
Javier Rodriguez De Luis, Nil Apaydin, Ersin Yetisir, Alireza Mahanfar, Siamak Ebadi
Filed: 25 Jan 22
Utility
Phase lock loop (PLL) synchronization
10 May 22
In an embodiment, an apparatus includes a first integrated circuit (IC) chip configured to receive a timing signal and a reference clock signal; and a second IC chip configured to receive the timing signal and the reference clock signal.
David Francois Jacquet, Mostafa Ghazali, Masoud Kahrizi, Andras Tantos
Filed: 12 Aug 21
Utility
Pre-deployment Battery Power Conservation for Spacecraft
5 May 22
Embodiments of the present disclosure are directed to techniques for transitioning a spacecraft from a power-saving state to a power-consuming state at a time after launch of the spacecraft on a launch vehicle.
Mohammed Faraz Admani, Pieter Buysschaert, Andrew D. Roberts, Garrett P. Simard
Filed: 12 Jan 22
Utility
Antenna apparatus having fastener system
3 May 22
In one embodiment of the present disclosure, a housing assembly for an antenna apparatus includes a radome portion, a lower enclosure portion, and a fastener system configured for coupling the radome portion and the lower enclosure portion couplable to form an inner compartment for antenna components of an antenna assembly.
David Milroy, Victor Q. Dang, Michael J. Conte
Filed: 3 Jun 20
Utility
Antenna modules in phased array antennas
19 Apr 22
An apparatus includes a plurality of conductive structures having first sides and second sides opposite the first sides, wherein the second sides of the plurality of conductive structures are configured to be physically coupleable with a printed circuit board (PCB) of a receiver or a transmitter, and wherein the first sides of the plurality of conductive structures are configured to be spaced from the PCB; and an antenna having a first side and a second side opposite the first side, wherein the first side comprises a radiating side of the antenna and the second side of the antenna is disposed closer to the plurality of conductive structures than the first side of the antenna, wherein the second side of the antenna is configured to be spaced from the PCB by a second distance different from the first distance when the plurality of conductive structures is physically coupled with the PCB.
Javier Rodriguez De Luis, Nil Apaydin, Ersin Yetisir, Alireza Mahanfar, Siamak Ebadi
Filed: 26 Apr 20
Utility
Apparatuses and Methods for Facilitating Satellite Visibility for Earth-based Antenna Systems
14 Apr 22
In one embodiment of the present disclosure, a device for detecting a zone of communication between a user terminal and a satellite constellation including a plurality of satellites in non-geosynchronous (non-GEO) orbit includes one or more processors and memory.
Thomas Laurance Robinson, Calder Christiansen Foster Coalson, Jared Michael Greene, Steven Douglas Gregory, Elliott MacDonald Schwartz, Aidan Bauer
Filed: 12 Oct 21
Utility
Stochastic digital pre-distortion compensation in a wireless communications system
22 Mar 22
A wireless communications system includes a stochastic pre-distortion actuator configured to receive a carrier-modulated signal and convert the carrier-modulated signal into an output signal.
Martin S. McCormick, Feipeng Wang
Filed: 25 Feb 21
Utility
Beamformer Lattice for Phased Array Antennas
3 Mar 22
In some embodiments, an apparatus includes a plurality of first conductive traces oriented in a first direction in a first layer and plurality of second conductive traces oriented in a second direction in a second layer coupled by vias to define first hierarchical networks.
Nil Apaydin, Chiara Pelletti, Souren Shamsinejad, Alireza Mahanfar
Filed: 9 Sep 21
Utility
Pre-deployment battery power conservation for spacecraft
22 Feb 22
Embodiments of the present disclosure are directed to techniques for autonomously transitioning a spacecraft from a power-saving state to a power-consuming state at a time after launch of the spacecraft on a launch vehicle.
Mohammed Faraz Admani, Pieter Buysschaert, Andrew D. Roberts, Garrett P. Simard
Filed: 12 May 20
Utility
Antenna Modules for Phased Array Antennas
10 Feb 22
In some embodiments, an antenna module includes an antenna element having a first side and a second side opposite the first side, the first side comprising a radiating side of the antenna element and a support structure disposed at the second side of the antenna element and configured to define a cavity, the support structure including a portion configured to reduce signal leakage between the antenna element and the cavity.
Alireza Mahanfar, Souren Shamsinejad, Shaya Karimkashi Arani, Siamak Ebadi, Ersin Yetisir, Peter Sung Tri Hoang, Javier Rodriguez De Luis, Nil Apaydin
Filed: 22 Oct 21
Utility
System and method of providing multiple antennas to track satellite movement
1 Feb 22
An example system can include a first antenna having a first orientation, a second antenna having a second orientation and a control system communicating with the first antenna and the second antenna.
James Alexander Morris Tuchel, Andrew Louis Burks
Filed: 13 Jul 20
Utility
Uni-dimensional steering of phased array antennas
1 Feb 22
A phased array antenna system configured for communication with a satellite that emits or receives radio frequency (RF) signals travels in a first direction, the antenna system includes a phased array antenna including a plurality of antenna elements distributed in a plurality of M columns oriented in the first direction and a plurality of N rows extending in a second direction normal to the first direction, and a plurality of fixed phase shifters aligned for phase offsets between antenna elements in the first direction and a gain-enhancement system configured for gain enhancement in the second direction of radio frequency signals received by and emitted from the phased array antenna.
Alireza Mahanfar
Filed: 7 Sep 20
Utility
System and Method of Providing Multiple Antennas to Track Satellite Movement
13 Jan 22
An example system can include a first antenna having a first orientation, a second antenna having a second orientation and a control system communicating with the first antenna and the second antenna.
James Alexander Morris Tuchel, Andrew Louis Burks
Filed: 13 Jul 20
Utility
System and Method for Over-the-air Antenna Calibration
6 Jan 22
An antenna calibration system for a phased array antenna in accordance with one embodiment of the present disclosure generally includes: a beamformer lattice including at least first and second beamformers, each corresponding to a subset of antenna cells, and each including a calibration section for comparing a reference signal to a non-reference signal; and a calibration antenna within the subset of antenna cells corresponding with the first beamformer, wherein the calibration antenna is configured to deliver a first reference signal (mTx) from the first beamformer to be received by a first operating antenna for comparison with a first non-reference signal (Rx) in the first beamformer or in the second beamfomer, and/or wherein the calibration antenna is configured to deliver a second non-reference signal (Tx) from a second operating antenna for comparison with a second reference signal (mRx) in the first beamformer or in the second beamformer.
Ersin Yetisir
Filed: 2 Jul 21