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公开(公告)号:US11657795B2
公开(公告)日:2023-05-23
申请号:US17492617
申请日:2021-10-03
Applicant: Alan Richard Greenberg
Inventor: Alan Richard Greenberg
IPC: G10K11/178 , B64C39/02 , B64U20/10 , B64U30/20 , B64U50/14
CPC classification number: G10K11/178 , B64C39/024 , B64U20/10 , B64U30/20 , B64U50/14 , G10K2210/1281
Abstract: Rotor noise cancellation through the use of mechanical means for a personal aerial drone vehicle. Active noise cancellation is achieved by creating an antiphase amplitude wave by modulation of the propeller blades, by utilizing embedded magnets through an electromagnetic coil encircling the propeller blades. A noise level sensor signals the rotor control system to adjust the frequency of the electromagnetic field surrounding the rotor and control the speed of the rotor. An additional method comprises of incorporating a phase lock loop within the control system configured to determine the frequencies corresponding to the rotors and generate corrective audio signals to achieve active noise cancellation.
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公开(公告)号:US20230377548A1
公开(公告)日:2023-11-23
申请号:US18136308
申请日:2023-04-18
Applicant: Alan Richard Greenberg
Inventor: Alan Richard Greenberg
IPC: G10K11/178 , B64C39/02
CPC classification number: G10K11/178 , B64C39/024 , G10K2210/1281 , B64U20/10
Abstract: Rotor noise cancellation through the use of mechanical means for a personal aerial drone vehicle. Active noise cancellation is achieved by creating an antiphase amplitude wave by modulation of the propeller blades, by utilizing embedded magnets through an electromagnetic coil encircling the propeller blades. A noise level sensor signals the rotor control system to adjust the frequency of the electromagnetic field surrounding the rotor and control the speed of the rotor. An additional method comprises of incorporating a phase lock loop within the control system configured to determine the frequencies corresponding to the rotors and generate corrective audio signals to achieve active noise cancellation.
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公开(公告)号:US11853083B2
公开(公告)日:2023-12-26
申请号:US17517513
申请日:2021-11-02
Applicant: The Boeing Company
Inventor: Nathan D. Hiller
IPC: G05D1/10 , B64C39/02 , H04B7/185 , B64U20/10 , B64U50/34 , B64U10/13 , B64U101/20 , B64U101/00 , B64U101/15
CPC classification number: G05D1/104 , B64C39/024 , B64U20/10 , B64U50/34 , H04B7/185 , B64U10/13 , B64U2101/00 , B64U2101/15 , B64U2101/20 , B64U2201/102
Abstract: Methods, Systems, and Apparatus for coordinating drones to communicate with reduced signal to noise, harvest energy, or provide camouflage.
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公开(公告)号:US11741936B2
公开(公告)日:2023-08-29
申请号:US17401667
申请日:2021-08-13
Applicant: Department of the Army
Inventor: Jackson Yeboah
CPC classification number: G10K11/1785 , B64C39/024 , B64C2220/00 , B64U20/10 , B64U50/14 , G10K2210/1281
Abstract: An advanced acoustic awareness platform configured to classify environmental sounds. The advanced acoustic awareness platform comprises an audio signal acquisition sensor array and one or more processors programmed to augment the audio signal, extract features for the audio signal, visualize, and classify the signal using one or more labels. In at least one embodiment, the signal is classified based on transfer learning associated with a pretrained machine learning model.
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公开(公告)号:US20240326980A1
公开(公告)日:2024-10-03
申请号:US18740913
申请日:2024-06-12
Applicant: AeroVironment, Inc.
Inventor: Christopher Eugene Fisher , Steven Bradley Chambers , Pavil Belik , Austin Craig Gunder , John Peter Zwaan
CPC classification number: B64C5/02 , B64C3/10 , B64C5/06 , B64C9/00 , B64C39/024 , B64C39/12 , B64U10/25 , B64U20/10
Abstract: An aircraft apparatus is disclosed that has a fuselage boom having proximal and distal ends, a wing coupled to a proximal end of the fuselage boom and at least one transparent stabilizer coupled to a distal end of the fuselage boom.
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公开(公告)号:US12097955B2
公开(公告)日:2024-09-24
申请号:US17194569
申请日:2021-03-08
Applicant: Lucas J. Myslinski
Inventor: Lucas J. Myslinski
IPC: B64C39/02 , B64D5/00 , B64D47/02 , B64D47/08 , G05D1/00 , G06F40/205 , G06F40/30 , G06Q10/04 , G06Q10/06 , G06Q10/063 , G06Q10/0833 , G06Q30/0201 , G06Q30/0202 , G06Q30/0207 , G06Q30/0282 , G06Q50/00 , G06Q50/26 , G06T7/20 , G06V20/40 , G06V20/52 , G06V40/10 , G08B21/18 , H04N5/77 , H04N7/18 , B64U20/10 , B64U101/00 , B64U101/30
CPC classification number: B64C39/024 , B64D5/00 , B64D47/02 , B64D47/08 , G05D1/0088 , G05D1/0094 , G05D1/104 , G06F40/205 , G06F40/30 , G06Q10/04 , G06Q10/06 , G06Q10/063 , G06Q10/0833 , G06Q30/0201 , G06Q30/0202 , G06Q30/0207 , G06Q30/0282 , G06Q50/01 , G06Q50/26 , G06T7/20 , G06V20/40 , G06V20/52 , G06V40/10 , G08B21/18 , H04N5/77 , H04N5/772 , H04N7/183 , H04N7/188 , B64U20/10 , B64U2101/00 , B64U2101/30 , B64U2201/10 , G06T2207/10016 , G06T2207/10032 , G06T2207/30196 , G06T2207/30232
Abstract: A fact checking system utilizes social networking information and analyzes and determines the factual accuracy of information and/or characterizes the information by comparing the information with source information. The social networking fact checking system automatically monitors information, processes the information, fact checks the information and/or provides a status of the information, including automatically modifying a web page to include the fact check results. The fact checking system is able to be implemented utilizing a drone device. The drone device is able to be implemented in conjunction with a security system.
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公开(公告)号:US12037115B2
公开(公告)日:2024-07-16
申请号:US18199770
申请日:2023-05-19
Applicant: AeroVironment, Inc.
Inventor: Christopher Eugene Fisher , Steven Bradley Chambers , Pavil Belik , Austin Craig Gunder , John Peter Zwaan
CPC classification number: B64C5/02 , B64C3/10 , B64C5/06 , B64C9/00 , B64C39/024 , B64C39/12 , B64U10/25 , B64U20/10
Abstract: An aircraft apparatus is disclosed that has a fuselage boom having proximal and distal ends, a wing coupled to a proximal end of the fuselage boom and at least one transparent stabilizer coupled to a distal end of the fuselage boom.
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公开(公告)号:US12033608B2
公开(公告)日:2024-07-09
申请号:US18136308
申请日:2023-04-18
Applicant: Alan Richard Greenberg
Inventor: Alan Richard Greenberg
IPC: G10K11/178 , B64C39/02 , B64U20/10 , B64U30/20 , B64U50/14
CPC classification number: G10K11/178 , B64C39/024 , B64U20/10 , B64U30/20 , B64U50/14 , G10K2210/1281
Abstract: Rotor noise cancellation through the use of mechanical means for a personal aerial drone vehicle. Active noise cancellation is achieved by creating an antiphase amplitude wave by modulation of the propeller blades, by utilizing embedded magnets through an electromagnetic coil encircling the propeller blades. A noise level sensor signals the rotor control system to adjust the frequency of the electromagnetic field surrounding the rotor and control the speed of the rotor. An additional method comprises of incorporating a phase lock loop within the control system configured to determine the frequencies corresponding to the rotors and generate corrective audio signals to achieve active noise cancellation.
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公开(公告)号:US11993408B2
公开(公告)日:2024-05-28
申请号:US17415395
申请日:2019-12-04
Applicant: SAFRAN AIRCRAFT ENGINES
Inventor: Michel Dumas , Laurent Christophe Francis Villaines
IPC: B64U20/10 , B64D7/00 , F01D5/14 , F01D9/02 , F01D17/16 , F02C3/04 , F02C7/042 , F02K3/06 , F04D19/00 , F04D29/18 , F04D29/54
CPC classification number: B64U20/10 , B64D7/00 , F01D5/141 , F01D9/02 , F01D17/162 , F02C3/04 , F02C7/042 , F02K3/06 , F04D19/002 , F04D29/181 , F04D29/544 , F05D2220/3217 , F05D2220/323 , F05D2240/12 , F05D2250/711 , F05D2250/712 , F05D2260/96
Abstract: A bladed disc for masking a moving disc of a jet engine, including blades, each blade including a pressure-side wall and a suction-side wall that meet at a leading-edge and at a trailing edge, and wherein each blade has a pressure-side wall and a suction-side wall each including a concave zone and a convex zone that are at a distance from the leading-edge and from the trailing edge and are spaced apart from one another, these concave zones and these convex zones each extending over the majority of the height of the blade, the concave zone of the pressure-side wall is opposite the convex zone of the suction-side wall, the concave zone of the suction-side wall is opposite the convex zone of the pressure-side wall.
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公开(公告)号:US20240103535A1
公开(公告)日:2024-03-28
申请号:US18521204
申请日:2023-11-28
Applicant: The Boeing Company
Inventor: Nathan D. Hiller
Abstract: Methods, Systems, and Apparatus for coordinating drones to communicate with reduced signal to noise, harvest energy, or provide camouflage.
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