55 patents
Utility
Transmission of Atmospheric Ducted Communication Signals
14 Dec 23
A communications system including a transmit processor for determining transmit and azimuth elevation in response to a refractive layer altitude, a transmitter array including a plurality of transmitters each for transmitting one of a plurality of transmitted signals in response to the transmit elevation wherein each of the plurality of transmitted signals is encoded using a data signal and one of a plurality of unique synchronization sequences, and a receiver for receiving the plurality of transmitted signals, isolating each of the plurality of transmitted signals in response to one of the plurality of unique synchronization sequences corresponding to each of the plurality of transmitted signals to generate a plurality of isolated signals, to combine the plurality of isolated signals to generate a combined signal and to generate the data signal in response to the combined signal.
Richard Lagrotta, John Kleider, George Kannell
Filed: 18 May 22
Utility
Doppler tracking for signals of opportunity using rate-line detection
12 Dec 23
An electromagnetic transmission carrying a bauded signal, such as a transmission from an orbiting satellite, is processed for Doppler shift analysis.
Bruce Cochran, Ronald McCallister, Steven Goisman
Filed: 18 Jan 22
Utility
Dual band, singular form factor, transmit and receive GNSS antenna with passively shaped antenna pattern
12 Dec 23
The dual frequency antenna element has electromagnetically resonant structure with plural attached current conductors each communicating on a different frequency band and producing a circularly polarized radiation pattern with respect to a propagation direction.
Arthur Densmore, Sayuj Haridas
Filed: 15 Jun 22
Utility
Method and apparatus for secure offline software update
19 Sep 23
A computing device including a first processor configured for generating a directory structure in response to a metadata associated with a software, retrieving an update file, performing the software update on a test system, and verifying the software update.
Antonio Castagna
Filed: 15 Nov 21
Utility
Doppler Tracking for Signals of Opportunity Using Rate-line Detection
20 Jul 23
The receiver captures an electromagnetic transmission carrying a bauded signal, such as a transmission from an orbiting satellite, and processes it for Doppler shift analysis.
Bruce Cochran, Ronald McCallister, Steven Goisman, Scott David Blanchard
Filed: 13 Sep 22
Utility
Doppler Tracking for Signals of Opportunity Using Rate-line Detection
20 Jul 23
An electromagnetic transmission carrying a bauded signal, such as a transmission from an orbiting satellite, is processed for Doppler shift analysis.
Bruce Cochran, Ronald McCallister, Steven Goisman
Filed: 18 Jan 22
Utility
Signal processor employing neural network trained using evolutionary feature selection
4 Jul 23
The evolutionary feature selection algorithm is combined with model evaluation during training to learn feature subsets that maximize speech/non-speech distribution distances.
David Lee, Scott Blanchard, Nickolas Dodd
Filed: 7 Oct 20
Utility
Real-time RF spectrum allocation and optimization in multi-function, co-located, interacting heterogeneous networks
28 Mar 23
A real-time spectrum optimization and allocation is provided within multifunction, co-located, interacting heterogeneous networks.
William Clark, Peter Oppong Okrah
Filed: 14 Apr 20
Utility
Node having an adaptive space-spectrum whitener and multi-user rake receiver for use in a cooperative broadcast multi-hop network that employs broadcast flood routing and multi-hop transmission with cooperative beamforming and adaptive space-spectrum whitening
10 Jan 23
A method is provided for use in a cooperative broadcast multi-hop network that employs broadcast flood routing and multi-hop transmission using a direct-sequence spread-spectrum (DSSS) waveform.
Scott David Blanchard, David Kunil Lee
Filed: 2 Jun 21
Utility
Fiber Optic Switch Employing Moveable Structure Interaction with the Evanescent Field of a Cladding-removed Fiber
3 Nov 22
Cladding removed from a portion of the optical fiber defines a window exposing the fiber core.
Garrett Sylvester, David L.K. Eng, M. Craig Swan
Filed: 29 Apr 21
Utility
Tunable wavelength-selective fiber optic switch employing moveable grating interaction with the evanescent field of a partially-cladding-removed fiber
25 Oct 22
In the wavelength selective fiber optic switch, an optical fiber with a portion of cladding removed defines a window facilitating access to the radially evanescent field present when optical power is propagating through the optical fiber, defining a first transmission path.
Garrett Smith Sylvester, David L. K. Eng, M. Craig Swan
Filed: 24 Aug 21
Utility
Fiber optic switch employing moveable structure interaction with the evanescent field of a cladding-removed fiber
11 Oct 22
Cladding removed from a portion of the optical fiber defines a window exposing the fiber core.
Garrett Sylvester, David L. K. Eng, M. Craig Swan
Filed: 29 Apr 21
Utility
Method and apparatus for distributed beamforming
13 Sep 22
Transmitting a data signal by generating a first symbol in response to the data signal and a first synchronization sequence and a second symbol in response to the data signal and a second synchronization sequence, applying a distributed coding matrix to the first symbol and the second symbol to generate a first transmission signal and a second transmission signal, transmitting the first transmission signal and the second transmission signal to the far field, isolating the first transmission signal by applying the first synchronization sequence to the far field, isolating the second transmission signal by applying the second synchronization sequence to the far field, applying the distributed coding matrix to the first transmission signal to extract the first symbol, applying the distributed coding matrix to the second transmission signal to extract the second symbol and estimating the data signal in response to the first symbol and the second symbol.
John Kleider, Christopher Steenhoek
Filed: 15 Oct 21
Utility
Method of packaging and deploying marine vibrator
2 Aug 22
Methods are provided to package and deploy a marine vibrator for use in connection with marine seismic surveys.
Bruce M. Abraham, James A. McConnell, William M. Milewski, Brendan C. Woolrich, Russell R. Rekos
Filed: 31 Aug 16
Utility
Monitoring using piezo-electric cable sensing
19 Jul 22
Sensing an environment by confining a monitored live subject in an enclosure, detecting an effect on a coaxial piezoelectric cable resulting from the monitored live subject, wherein the coaxial piezoelectric cable is located at least proximate to the enclosure, and deriving information about a state of the monitored live subject based on the detected effect.
Anuj Agarwal, Michael E. Lhamon
Filed: 13 Oct 20
Utility
Piezoelectric sensor assembly
12 Jul 22
A piezoelectric sensor comprising an insulator layer having opposing upper and lower surfaces, a first piezoelectric portion having a lower surface in contact with the upper surface of the insulator layer, a second piezoelectric portion having a lower surface in contact with the upper surface of the insulator layer and an insulator strip dividing the first and second piezoelectric portions, wherein the first portion and second piezoelectric portion are laterally positioned with respect to one another in the same generally planar layer.
Anuj Agarwal, Michael Lhamon
Filed: 28 Aug 19
Utility
Piezoelectric sensor assembly and integrated base
14 Jun 22
A base for supporting a piezoelectric sensor which includes a generally planar support frame having an opening and a housing mounted in the opening.
Anuj Agarwal, Michael Lhamon, Kevin Donohue
Filed: 7 Oct 19
Utility
Machine learning training system for identification or classification of wireless signals
31 May 22
A signal generator outputs a reference signal corresponding to at least one wireless signal according to the predefined signal encoding to a channel emulator processor.
John Kleider, Joao Baiense, Chris Morgan
Filed: 17 Jan 20
Utility
Node Having an Adaptive Space-spectrum Whiteniner and Multi-user Rake Receiver for Use In a Cooperative Broadcast Multi-hop Network That Employs Broadcast Flood Routing and Multi-hop Transmission with Cooperative Beamforming and Adaptive Space-spectrum Whitening
20 Jan 22
A method is provided for use in a cooperative broadcast multi-hop network that employs broadcast flood routing and multi-hop transmission using a direct-sequence spread-spectrum (DSSS) waveform.
Scott David Blanchard, David Kunil Lee
Filed: 2 Jun 21
Utility
Method and system of communicating between a plurality of nodes that are part of a cooperative broadcast multi-hop network that employs broadcast flood routing and multi-hop transmission using a direct-sequence spread-spectrum (DSSS) waveform
18 Jan 22
A method and system of communicating between a plurality of nodes are provided.
Scott David Blanchard, David Kunil Lee
Filed: 25 Sep 20