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公开(公告)号：US20240381584A1
公开(公告)日：2024-11-14
申请号：US18195623
申请日：2023-05-10
Inventor： Richard E. Berkenbush , Robert E. Scholl , Meredith T. Thanos , Robert S. Foster
Abstract: A chassis configured to hold a cards of at least two form factors comprising: slots disposed in an inner portion the chassis, wherein the slots are aligned with one another and configured to act as card guides; a mid-height structure disposed adjacent a side wall of the chassis, the mid-height structure comprising a second plurality of slots and a third plurality of slots disposed on top and bottom surfaces of the mid-height structure that are substantially parallel to top and bottom walls of the chassis; and a plurality of cooling channels disposed within the walls of the chassis as well as within the mid-height structure, wherein the second and third plurality of slots are configured to align with at least a subset of the plurality of slots disposed in the top and bottom chassis walls and to act as card guides.
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公开(公告)号：US20240369680A1
公开(公告)日：2024-11-07
申请号：US18317618
申请日：2023-05-15
Inventor： David A. Mouille
Abstract: A hybrid electronic warfare and communications system (EW/COMM) eliminates the space, power, weight, and cost of a dedicated communication system by exchanging messages with other nodes in a network as phase modulations of radar jamming signals. Some embodiments impose message phase modulations onto CW jamming signals, while other embodiments interleave message phase modulations with pseudorandom phase modulations of the jamming signals. Message chip rates can be matched to pseudorandom phase modulation chip rates. Messages are thereby obfuscated as either phase noise or random phase modulation of the jamming signals. Messages can be encoded as BPSK or QPSK modulations. Messages can be preceded by pre-established headers known to other nodes, and distinguished thereby from random noise modulations. Some embodiments include a dedicated COMMS module and/or antenna, while other embodiments implement the communications function mostly or entirely in software. Messages can be encrypted before transmission and decrypted after reception.
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613.发明公开公开(公告)号：US20240361466A1
公开(公告)日：2024-10-31
申请号：US18308095
申请日：2023-04-27
Inventor： John Jay Weger
Abstract: A Global Positioning System (GPS) digital antenna controller is provided, comprising antenna electronics, a code generator, and an interface. The antenna electronics can be configured to receive a GPS signal. The code generator can be configured to generate a pilot code signal that is synchronized to the DAE local clock reference. The interface can be configured to send the GPS signal and the code signal to a GPS receiver. A system may comprise the GPS digital antenna controller and GPS receiver. The GPS receiver can comprise a second code generator and a processor configured to resolve a timing difference based on the pilot code signal and a second code signal of the second code generator. The controller may be remote from the receiver. The interface may comprise an asynchronous data interface (e.g., Ethernet, USB, Infiniband, or Firewire). To resolve the timing difference may involve GPS code and carrier tracking.
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公开(公告)号：US12126816B2
公开(公告)日：2024-10-22
申请号：US18174299
申请日：2023-02-24
Inventor： Chien-Horn Lu , Mark Hess , William G. Tian , Angel Lopez , Edmond Tam
IPC: G06K9/36 , G06K9/46 , H04N19/167 , H04N19/30 , H04N23/80
CPC classification number: H04N19/167 , H04N19/30 , H04N23/80
Abstract: Techniques to provide compression and/or decompression. A method includes obtaining a first set of control points specifying a first set of compression ratios corresponding to respective first regions of a compression domain, and minimum and maximum uncompressed values within the compression domain. The method can further include scaling the first set of control points based on the minimum and maximum uncompressed values to obtain a scaled set of control points, wherein a first scaled control point is located at the minimum uncompressed value, and a last scaled control point is located at the maximum uncompressed value. The method can further include adjusting at least one scaled control point such that a first slope does not exceed 1. The method can further include compressing or decompressing between the compression domain and a range of compressed values, wherein a respective compression ratio corresponds to a respective slope of the set of slopes.
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公开(公告)号：US12123941B2
公开(公告)日：2024-10-22
申请号：US18189571
申请日：2023-03-24
Inventor： Robert F. Saracino , John M. Cosenza , Richard J. Lavery
CPC classification number: G01S13/78 , G01S13/762 , G01S13/767
Abstract: Techniques are provided for an Identification Friend or Foe (IFF) transponder. A system implementing the techniques according to an embodiment includes an antenna array configured to operate in an omnidirectional mode and a steered directional mode. The system also includes a receiver configured to receive signals provided through the antenna array while operating in the omnidirectional mode and a detector configured to detect an IFF interrogation message in the received signals. The system further includes an angle of arrival (AOA) estimator configured to operate the antenna array in the steered directional mode to estimate an AOA of the IFF interrogation message. The system further includes a transmitter configured to operate the antenna array in the steered directional mode to transmit an IFF response message in the estimated AOA direction. The transmit power of the IFF response message may be based on, for example, the steering gain of the antenna array.
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Patent Agency Ranking
公开(公告)号：US20240345202A1
公开(公告)日：2024-10-17
申请号：US18299931
申请日：2023-04-13
Inventor： Thomas R. Vaccaro
IPC: G01S5/02
CPC classification number: G01S5/0278 , G01S5/0289 , G01S5/0294
Abstract: Techniques for jointly estimating geolocations of a plurality of emitting targets. An example method includes acquiring a plurality of bearing measurements, establishing a search grid based on the bearing measurements, performing a joint maximum likelihood optimization procedure on the bearing measurements over the search grid to produce an estimated geolocation solution by solving a nonlinear multi-target geolocation description function for all targets associated with a current rank, repeating the joint maximum likelihood optimization procedure set successive ranks until a maximum rank is reached, evaluating the estimated geolocation solution sets for each rank to determine a number of targets, based on the number of targets, selecting the corresponding geolocation solution set for the rank corresponding to the number of targets, and processing the selected corresponding geolocation solution set to produce a geolocation result that includes an estimated location of each target.
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公开(公告)号：US20240319361A1
公开(公告)日：2024-09-26
申请号：US18189571
申请日：2023-03-24
Inventor： Robert F. Saracino , John M. Cosenza , Richard J. Lavery
CPC classification number: G01S13/78 , G01S13/762 , G01S13/767
Abstract: Techniques are provided for an Identification Friend or Foe (IFF) transponder. A system implementing the techniques according to an embodiment includes an antenna array configured to operate in an omnidirectional mode and a steered directional mode. The system also includes a receiver configured to receive signals provided through the antenna array while operating in the omnidirectional mode and a detector configured to detect an IFF interrogation message in the received signals. The system further includes an angle of arrival (AOA) estimator configured to operate the antenna array in the steered directional mode to estimate an AOA of the IFF interrogation message. The system further includes a transmitter configured to operate the antenna array in the steered directional mode to transmit an IFF response message in the estimated AOA direction. The transmit power of the IFF response message may be based on, for example, the steering gain of the antenna array.
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公开(公告)号：US20240257306A1
公开(公告)日：2024-08-01
申请号：US18102865
申请日：2023-01-30
Inventor： Robin L Brown , Jaime A Caicedo Baquerizo , Gregory W Sletterink
CPC classification number: G06T5/40 , G06T5/90 , G06T2207/20024
Abstract: A method of image enhancement, the method comprising: obtaining image data representing an image comprising a plurality of pixels, each having a pixel intensity value, the image further comprising a region of interest; analyzing image data associated with the region of interest and gathering relevant statistics thereon; analyzing image data associated with the image as a whole and gathering relevant statistics thereon; accumulating a histogram based on the intensity value of pixels in the image as a whole; defining histogram bins of interest that correspond to a range of pixel intensity values from within the region of interest; attenuating histogram bins outside of the bins of interest OR multiplying bins of interest by a scaling factor; using the attenuated or scaled histogram to create a cumulative distribution function; and using the cumulative distribution function to produce a contrast enhanced image.
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公开(公告)号：US20240248214A1
公开(公告)日：2024-07-25
申请号：US18158847
申请日：2023-01-24
Inventor： Michael G. Farley , Barry S. Lovseth , Benjamin M. Graubard , James K. Weighton , Sean L. Heitz , Paul E. Jackson
IPC: G01S19/25 , H04W12/037
CPC classification number: G01S19/258 , G01S19/256 , H04W12/037
Abstract: Techniques for wireless initialization of GNSS receivers. An example system includes a source node and at least one GNSS receiver configured to track GNSS satellites and to provide navigation outputs, the GNSS receiver including a first wireless interface configured to implement a secure wireless communications protocol. The source node may include a second wireless interface configured for communications according to the secure wireless communications protocol, a data storage device storing GNSS configuration data that includes information for initializing the GNSS receiver, and at least one processor coupled to the first wireless interface and to the data storage device, and configured to execute instructions that control the source node to establish, via the second wireless interface, a secure wireless link with the at least one GNSS receiver using the secure wireless communications protocol, and transfer the GNSS configuration data to the GNSS receiver over the secure wireless link.
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公开(公告)号：US12046032B2
公开(公告)日：2024-07-23
申请号：US17178165
申请日：2021-02-17
Inventor： Michael J. Choiniere , Jay W. Coffey , Jason R. Lane , Davis A Lange , Paul D. Zemany
IPC: G06V20/17 , F41G7/22 , G01J3/28 , G06F18/2113 , G06V10/75
CPC classification number: G06V20/17 , F41G7/2253 , F41G7/2293 , G01J3/2823 , G06F18/2113 , G06V10/751
Abstract: A ground imaging system for use on a guided aerobody includes one or more lenses designed to receive EM radiation from a ground level, a filter substrate having a plurality of filters, a sensor array designed to receive the EM radiation from the filter substrate, and a processing device coupled to the sensor array. The filter substrate is located at a focal plane of the one or more lenses such that the filter substrate receives the EM radiation from the one or more lenses. The plurality of filters includes at least polarization filters and multispectral filters. The processing device is designed to analyze multispectral and polarization signatures of the electromagnetic radiation from identified objects at the ground level and determine that one or more of the objects is not a desired target based at least on the hyperspectral and polarization signatures of the one or more objects.
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