137 patents
Page 7 of 7
Utility
Uni-dimensional Steering of Phased Array Antennas
23 Dec 20
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: 6 Sep 20
Utility
Half Duplex Mode Digital Beamforming Device
9 Dec 20
In an embodiment, a device is included in a communications system, the device including a plurality of antenna elements configured in a phased array antenna; a plurality of integrated circuit (IC) chips, wherein each IC chip of the plurality of IC chips is associated with a respective subset of antenna elements of the plurality of antenna elements, and wherein, for each IC chip of the plurality of IC chips, the associated subset of antenna elements is used for transmitting and receiving radio frequency (RF) signals by the IC chip; and a local oscillator configured to generate a common local oscillator signal and provide the common local oscillator signal to each IC chip of the plurality of IC chips.
Masoud Kahrizi, Alex Ahmad Mirzaei, Ali Sajjadi, Bagher Afshar, Babak Vakili-Amini, Alireza Mehrnia, Behzad Nourani, Bernd Pregardier
Filed: 2 May 20
Utility
Chip to Chip Time Synchronization
9 Dec 20
In an embodiment, an apparatus includes a first integrated circuit (IC) chip configured to receive a timing signal and a reference clock signal; a second IC chip configured to receive the timing signal from the first IC chip and the reference clock signal; and a third IC chip configured to receive the timing signal from the second IC chip and the reference clock signal.
Andras Tantos, David Francois Jacquet, Mario Toma
Filed: 25 Apr 20
Utility
Antenna Apparatus Having Heat Dissipation Features
2 Dec 20
In one embodiment of the present disclosure, an antenna apparatus includes a housing assembly including a radome portion and a lower enclosure portion, wherein the radome portion and lower enclosure portion are couplable to form an inner compartment for housing antenna components of the antenna assembly, an antenna stack assembly disposed within the inner compartment, wherein the antenna stack assembly generates heat when in operation, and a heat transfer system within the inner compartment configured to facilitate the flow of heat toward the radome portion.
David Milroy, Duncan E. Adams, Andrea Papi, Scott Kaufman, Ersin Yetisir, Anthony Sims
Filed: 2 Jun 20
Utility
Antenna Apparatus Having Radome Spacing
2 Dec 20
In one embodiment of the present disclosure, a housing for an antenna system having a plurality of antenna elements defining an antenna aperture includes a chassis portion, and a radome portion configured for coupling to the chassis portion to define an inner chassis chamber, the radome portion having a planar top surface, wherein the radome portion is configured to have equal spacing between the planar top surface and a top surface of each of the plurality of antenna elements defining the antenna aperture.
Ersin Yetisir, Trevor Cameron, David Milroy, Duncan E. Adams
Filed: 2 Jun 20
Utility
Antenna Apparatus Having Fastener System
2 Dec 20
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: 2 Jun 20
Utility
Antenna Apparatus Housing and Components for Same
2 Dec 20
In embodiments of the present disclosure, a housing for an antenna system having a plurality of antenna elements defining an antenna aperture includes: a chassis portion; and a radome portion configured for coupling to the chassis portion to define an inner chassis chamber.
David Milroy, Duncan E. Adams, Keith R. Miller, Ersin Yetisir, Anthony Sims, Trevor Cameron, Andrea Papi
Filed: 3 Jun 20
Utility
Antenna Apparatus Having Chassis Portion
2 Dec 20
In one embodiment of the present disclosure, a housing for an antenna system having a plurality of antenna elements defining an antenna aperture includes a chassis portion having an internal support portion for internal components for the plurality of antenna elements including a bonding portion for bonding an antenna stack assembly to the chassis portion, and a radome portion configured for coupling to the chassis portion to define an inner chassis chamber.
Duncan E. Adams, David Milroy
Filed: 2 Jun 20
Utility
Antenna Apparatus Having Adhesive Coupling
2 Dec 20
In one embodiment of the present disclosure, an antenna assembly includes a plurality of layers defining an antenna assembly including a plurality of PCB layers and a plurality of non-PCB layers, the antenna assembly having a top surface and a bottom surface, and adhesive coupling between the PCB layers and the non-PCB layers.
David Milroy, Samuel Belden
Filed: 2 Jun 20
Utility
Antenna Apparatus Having Antenna Spacer
2 Dec 20
In one embodiment of the present disclosure, an antenna assembly includes a patch antenna array including an upper patch antenna layer, a lower patch antenna layer, and a spacer therebetween, wherein the spacer includes a plurality of apertures defined by cell walls, wherein the each aperture aligns with an upper patch antenna element and a lower patent antenna element from the patch antenna array.
David Milroy, Duncan E. Adams, Ersin Yetisir
Filed: 2 Jun 20
Utility
Tilted Earth-based Antenna Systems and Methods of Tilting for Communication with a Satellite System
2 Dec 20
In one embodiment of the present disclosure, a satellite communication system includes a satellite constellation including a plurality of satellites in non-geosynchronous orbit (non-GEO), wherein at least some of the plurality of satellites travel in a first orbital path at a first inclination, and an end point terminal having an earth-based geographic location, the end point terminal having an antenna system defining a field of regard for communicating with the satellite constellation, wherein the field of regard is a limited field of regard, wherein the field of regard is tilted from a non-tilted position to a tilted position, and wherein the tilt angle of the tilted position is a function of the latitude of the geographic location.
Duncan E. Adams, David Milroy, Jonathan François Cornelis Herman, Jessica D. Johnson
Filed: 2 Jun 20
Utility
Satellite constellations
23 Nov 20
A constellation of satellites includes a first plurality of satellites orbiting at a first inclination, wherein the first plurality of satellites are each in a discrete planar orbit to form a first snake of satellites, the first snake of satellites including adjacent satellites in adjacent orbits having adjacent RAAN (Right Ascension of the Ascending Node).
Jonathan F. C. Herman, Stephen Mance, Paul Forquera, Mark Krebs
Filed: 27 Feb 18
Utility
Niobium metal alloy
23 Nov 20
In one embodiment of the present disclosure, a niobium metal alloy composition includes: a vanadium content in the range of about 1.5 to about 12 weight percent; a hafnium content in the range of about 5 to about 13 weight percent; a titanium or zirconium content or a mixture of titanium and zirconium content in the range of about 0.25 to about 2.5 weight percent; and a niobium content as a balance of the alloy.
Gavin J. Garside, Kevin A. Lohner, Meagan R. Slater, Charles Kuehmann, David R. Snyder, Jason T. Sebastian, Gregory B. Olson
Filed: 12 Apr 18
Utility
Pre-deployment Battery Power Conservation for Spacecraft
18 Nov 20
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: 11 May 20
Utility
Uni-dimensional steering of phased array antennas
7 Sep 20
A phased array antenna system configured for communication with a satellite that emits or receives radio frequency (RF) signals and has a repeating ground track 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: 27 Feb 18
Utility
Laser-perforated Metal Honeycomb Material
18 Mar 20
A perforated metal honeycomb structure is described.
Christopher Davin, William B. Riley
Filed: 21 Nov 19
Utility
Laser-perforated metal honeycomb material and method of manufacturing same
25 Nov 19
In one embodiment of the present disclosure, a method of manufacturing perforated metal honeycomb material includes: printing a roll of metal foil with adhesive; laser perforating the roll of metal foil to provide a plurality of holes in the metal foil; sheeting the printed and perforated roll of metal foil into a plurality of stacked sheets; and laminating the sheets of metal foil into a honeycomb before expansion block (HOBE).
Christopher Davin, William B. Riley
Filed: 4 Oct 16