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公开(公告)号：US11861181B1
公开(公告)日：2024-01-02
申请号：US17818850
申请日：2022-08-10
Inventor： David D. Moser , Richard J. Ferguson , Daniel L. Stanley
CPC classification number: G06F3/0619 , G06F3/0652 , G06F3/0653 , G06F3/0673 , G06F11/0772 , G06F11/141
Abstract: Techniques are provided for a radiation hardened memory system. A memory system implementing the techniques according to an embodiment includes a redundancy comparator configured to detect differences between data stored redundantly in a first memory, a second memory, and a third memory. The redundancy comparator is further configured to identify a memory error based on the detected differences. The memory system also includes an error collection buffer configured to store a memory address associated with the memory error, and a memory scrubber circuit configured to overwrite, at the memory address associated with the memory error, erroneous data with corrected data. The corrected data is based on a majority vote among the three memories. The memory system further includes a priority arbitrator configured to arbitrate between the memory scrubber overwriting and functional memory accesses associated with software execution performed by a processor configured to utilize the memory system.
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公开(公告)号：US11859956B2
公开(公告)日：2024-01-02
申请号：US17263955
申请日：2019-08-30
Inventor： Paul Zemany , Matthew Chrobak
Abstract: A guided projectile including a precision guidance munition assembly utilizes at least one maneuver envelope to optimally control movement of at least one canard to steer the guided projectile during flight. The maneuver envelopes optimize movements of the at least one canard that effectuate movement in either the range direction or the cross-range direction, or both. The maneuver envelope enables optimal timing such that maneuvering in one direction does not come at the expense of maneuver authority in the other direction.
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43.发明公开公开(公告)号：US20230421425A1
公开(公告)日：2023-12-28
申请号：US17847896
申请日：2022-06-23
Inventor： Christopher N. Peters , David D. Moser
CPC classification number: H04L27/2651 , G06F17/142
Abstract: Techniques are provided for a fast Fourier transform (FFT) sample reorder circuit for a dynamically reconfigurable oversampled channelizer. An FFT sample reorder circuit implementing the techniques according to an embodiment includes a plurality of dual port memory circuits. The circuit also includes a first crossbar circuit configured to route input data samples to write ports of the plurality of dual port memory circuits. The circuit further includes a second crossbar circuit configured to route reordered output data samples from read ports of the plurality of dual port memory circuits to a multi-stage FFT circuit. The circuit further includes a controller circuit configured to control the routing of the input data samples and the routing of the reordered output data samples based on a selection of a stage of the multi-stage FFT circuit.
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公开(公告)号：US20230421137A1
公开(公告)日：2023-12-28
申请号：US17847892
申请日：2022-06-23
Inventor： Christopher N. Peters , David D. Moser
CPC classification number: H03H17/0227 , G06F7/523 , G06F7/50
Abstract: Techniques are provided for a polyphase filtering in a dynamically reconfigurable two times (2×) oversampled channelizer. A polyphase filter implementing the techniques according to an embodiment includes a first plurality of dual port memory circuits and a multiplexer circuit configured to distribute input data for storage to the first plurality of dual port memory circuits. The polyphase filter also includes a second plurality of dual port memory circuits configured to store polyphase filter coefficients and a data alignment crossbar circuit configured to align the input data stored in the first plurality of dual port memory circuits with the polyphase filter coefficients stored in the second plurality of dual port memory circuits. The polyphase filter further includes a multiply circuit configured to perform multiplications of the aligned input data with the polyphase filter coefficients and an adder circuit to sum the results of the multiplications to generate a filtered output.
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公开(公告)号：US20230418898A1
公开(公告)日：2023-12-28
申请号：US17847887
申请日：2022-06-23
Inventor： Christopher N. Peters , David D. Moser
CPC classification number: G06F17/142 , H04B1/18 , H04L25/03828 , H03H17/0223
Abstract: Techniques are provided for a dynamically reconfigurable two times (2×) oversampled channelizer. A channelizer implementing the techniques according to an embodiment includes a polyphase filter, a two phase reorder circuit, a fast Fourier transform (FFT) circuit, and a two phase merge circuit. The polyphase filter is configured to filter time domain input data to control spectral shaping of frequency bins of the channelizer output. The two phase reorder circuit is configured to split a 2× oversampled data stream into two parallel, critically sampled data streams. The FFT circuit is configured to transform each stream into the frequency domain. The two phase merge circuit is configured to merge the two streams of frequency domain data into a single stream of 2× oversampled frequency domain data for distribution onto frames of frequency bins. Reconfigurable parameters for the channelizer include filter coefficients, number of filter folds, and number of frequency bins.
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Patent Agency Ranking
公开(公告)号：US11854373B2
公开(公告)日：2023-12-26
申请号：US16628126
申请日：2017-07-05
Inventor： Andrew M. Porpiglia , Kyle W. Flynn , Brian A. Harris , Timothy J. O'Donnell
CPC classification number: G08B29/188 , G01S13/726 , G06F17/15 , G06F17/16 , G08B26/008 , G08B29/02
Abstract: A system and method for combining the inputs of various sensors used in platforms, primarily those having a military use, having or making use of a number of inputs capable of determining information about an environment in which they are operating. Each input is configured to output a standardized set of information regarding its capabilities and the environment in which it is operating. A correlator is configured to adaptably process the information based on rules contained in at least one changeable correlation matrix and information contained in at least one changeable configuration file. The information, or simply an alert, is provided to at least one output that provides the information to a human operator.
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公开(公告)号：US20230400282A1
公开(公告)日：2023-12-14
申请号：US17838601
申请日：2022-06-13
Inventor： Matthew F. Kepler , Will R. Grigsby , Eric C. Hoenes , Somit S. Mathur
Abstract: A soft-kill countermeasure system utilizing a confirmation device, which may be radar, to enhance existing countermeasures, and enable new countermeasures to be utilized to combat the ever evolving and increasing sophistication of threats. The threat defeat confirmation may allow for rapid or immediate redirection of the countermeasure system to address additional simultaneous threats. The confirmation device can be mounted on a gimbal head or above a gimbal to take advantage of slewing movement to direct the confirmation signal towards the threat.
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公开(公告)号：US20230366931A1
公开(公告)日：2023-11-16
申请号：US17742034
申请日：2022-05-11
Inventor： Daniel L. Stanley , David D. Moser , Joshua C. Schabel , Michael J. Bear , Sheldon L. Grass , Tate J. Keegan
IPC: G01R31/3185
CPC classification number: G01R31/318597
Abstract: A port protection network provided with a joint test action group (JTAG) core and method of use. The port protection network includes an agent device operatively connected with a streaming bus and a test access port (TAP) of the JTAG core. The port protection network also includes a master device operatively connected with the streaming bus and the TAP of the JTAG core. In the port protection network, the agent device is configured to selectively restrict access to the master device through the JTAG core.
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公开(公告)号：US11808868B2
公开(公告)日：2023-11-07
申请号：US16972251
申请日：2019-08-30
Inventor： Paul D. Zemany , Matthew F. Chrobak
Abstract: A sensor determines the spin rate or rotation frequency of a munition body of a guided projectile relative to precision guidance munition assembly. The spin rate is used to determine launch velocity of the guided projectile early in flight before GPS is operationally active. The launch velocity is used to determine whether a corrective maneuver is needed to change the range of the guided projectile. Logic can control the canards on the canard assembly in response to the determination that a corrective maneuver is needed.
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公开(公告)号：US20230336194A1
公开(公告)日：2023-10-19
申请号：US17659554
申请日：2022-04-18
Inventor： William H. Cantrell , Mark Tinch , Mark E. Hughes , Allan K. Redenbaugh
CPC classification number: H04B1/0078 , H04B1/588 , H04B1/0042
Abstract: Techniques are provided for a multi-frequency sampling system. A system implementing the techniques according to an embodiment includes a first bandpass filter to filter a radio frequency (RF) signal to generate a first filtered signal in a first frequency band, and a second bandpass filter to filter the RF signal to generate a second filtered signal in a second frequency band. The system also includes a first analog to digital converter (ADC) operating at a first sampling frequency to convert the first filtered signal to a first digital signal and a second ADC operating at a second sampling frequency to convert the second filtered signal to a second digital signal. The first frequency band is selected to avoid a first Nyquist boundary zone associated with the first sampling frequency and the second frequency band is selected to avoid a second Nyquist boundary zone associated with the second sampling frequency.
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