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公开(公告)号：US20240210522A1
公开(公告)日：2024-06-27
申请号：US18598596
申请日：2024-03-07
发明人： Saverio Trotta , Reinhard-Wolfgang Jungmaier , Dennis Noppeney , Ashutosh Baheti , Ismail Nasr , Jagjit Singh Bal
CPC分类号： G01S7/032 , G01S7/003 , G01S7/006 , G01S13/343 , G01S2013/0245
摘要： In accordance with an embodiment, a method of operating a radar system includes receiving radar configuration data from a host, and receiving a start command from the host after receiving the radar configuration data. The radar configuration data includes chirp parameters and frame sequence settings. After receiving the start command, configuring a frequency generation circuit is configured with the chirp parameters and radar frames are triggered at a preselected rate.
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公开(公告)号：US20220382381A1
公开(公告)日：2022-12-01
申请号：US17818513
申请日：2022-08-09
IPC分类号： G06F3/01
摘要： An earphone device includes a housing comprising a top region and a bottom region, an acoustic transducer disposed in the bottom region of the housing, and a radar system disposed in the top region of the housing. The radar system includes a first side and an opposite second side. The radar system is configured to detect a first object located on the first side of the radar system, and detect biometric data from a second object located on the second side of the radar system.
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公开(公告)号：US11204411B2
公开(公告)日：2021-12-21
申请号：US15897632
申请日：2018-02-15
IPC分类号： G01S7/41 , G01S7/35 , G01S13/06 , G01S13/88 , G01S7/03 , G01S13/87 , G01S13/02 , G01S13/34 , G01S7/02
摘要： A method of operating a radar system includes transmitting a plurality of transmitted radio frequency (RF) signals by a plurality of directional antennas. The plurality of directional antennas is disposed on a planar surface of a substrate. Each of the plurality of antennas is in a fixed orientation and position on the planar surface. A respective individual coverage of each of the plurality of directional antennas is less than 360°. A combined coverage of the plurality of transmitted RF signals completely covers a 360° region surrounding the radar system. The method also includes receiving a reflected RF signal by a directional antenna of the plurality of directional antennas.
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公开(公告)号：US20210033668A1
公开(公告)日：2021-02-04
申请号：US16528199
申请日：2019-07-31
IPC分类号： G01R31/302 , G01R1/04 , H01Q1/22 , H04B17/17
摘要： A test assembly for testing an antenna-in-package (AiP) device includes a socket over a circuit board, where the socket includes an opening for receiving the AiP device; a plunger configured to move along sidewalls of the opening, where during testing of the AiP device, the plunger is configured to cause the AiP device to be pressed towards the circuit board such that the AiP device is operatively coupled to the circuit board via input/output connections of the AiP device and of the circuit board; and a loadboard disposed within the socket and between the plunger and the AiP device, where the loadboard includes a coupling structure configured to be electromagnetically coupled to a transmit antenna and to a receive antenna of the AiP device, so that testing signals transmitted by the transmit antenna are conveyed to the receive antenna externally relative to the AiP device through the coupling structure.
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公开(公告)号：US20200348393A1
公开(公告)日：2020-11-05
申请号：US16903463
申请日：2020-06-17
发明人： Saverio Trotta , Reinhard-Wolfgang Jungmaier , Dennis Noppeney , Ashutosh Baheti , Ismail Nasr , Jagjit Singh Bal
摘要： In accordance with an embodiment, a method of operating a radar system includes receiving radar configuration data from a host, and receiving a start command from the host after receiving the radar configuration data. The radar configuration data includes chirp parameters and frame sequence settings. After receiving the start command, configuring a frequency generation circuit is configured with the chirp parameters and radar frames are triggered at a preselected rate.
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公开(公告)号：US10218407B2
公开(公告)日：2019-02-26
申请号：US15231544
申请日：2016-08-08
IPC分类号： G01S7/41 , H04B1/44 , G06F3/01 , H01Q21/00 , H04B1/3827 , G01S13/88 , G06F1/16 , H01Q21/06 , G06F3/0346 , H01Q1/27 , G01S13/93 , H01Q3/24 , H01Q3/26
摘要： A radio frequency (RF) system includes an RF integrated circuit (IC) die. The RF IC die includes a first transmit circuit, a second transmit circuit, a first receive circuit, a second receive circuit, and a control circuit coupled to the first transmit circuit, the second transmit circuit, the first receive circuit, and the second receive circuit. The RF system further includes a first antenna coupled to the first transmit circuit and the first receive circuit using a first coupling structure. The control circuit is configured to activate the first transmit circuit and deactivate the first receive circuit during a first operation mode. The RF system further includes a second antenna coupled to the second transmit circuit and the second receive circuit using a second coupling structure. The control circuit is configured to activate the second transmit circuit and deactivate the second receive circuit during a second operation mode.
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公开(公告)号：US20240036161A1
公开(公告)日：2024-02-01
申请号：US18481490
申请日：2023-10-05
摘要： In an embodiment, a method includes: receiving a global trigger with a first millimeter-wave radar; receiving the global trigger with a second millimeter-wave radar; generating a first internal trigger of the first millimeter-wave radar after a first offset duration from the global trigger; generating a second internal trigger of the second millimeter-wave radar after a second offset duration from the global trigger; start transmitting first millimeter-wave radar signals with the first millimeter-wave radar based on the first internal trigger; and start transmitting second millimeter-wave radar signals with the second millimeter-wave radar based on the second internal trigger, where the second offset duration is different from the first offset duration, and where the first and second millimeter-wave radar signals are transmitted sequentially so as to exhibit no temporal overlap.
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公开(公告)号：US11733347B2
公开(公告)日：2023-08-22
申请号：US17175095
申请日：2021-02-12
CPC分类号： G01S7/032 , G01S13/66 , G01S13/88 , G01S13/04 , H01Q25/005
摘要： A method of forming a radar system includes forming a first receive antenna and a first ground plane region by patterning a first conductive layer on a first surface of a first laminate layer of a radar package, forming a transmit antenna and a second ground plane region by patterning a second conductive layer on a second surface of the first laminate layer, forming a second laminate layer of the radar package over the second conductive layer, forming a third conductive layer over the second laminate layer, forming a second receive antenna by patterning the third conductive layer, and attaching a radio frequency integrated circuit chip to the radar package. The radio frequency integrated circuit chip is coupled to the transmit antenna, the first receive antenna, and the second receive antenna. The second surface is opposite the first surface.
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公开(公告)号：US20230075303A1
公开(公告)日：2023-03-09
申请号：US17903789
申请日：2022-09-06
发明人： Raghavendran Vagarappan Ulaganathan , Ashutosh Baheti , Reinhard-Wolfgang Jungmaier , Saverio Trotta
IPC分类号： G01S7/40
摘要： A method for testing a radar device including a master radar device and a slave radar device includes: moving a test target through a field of view of the radar device; measuring an angle of the test target with respect to the radar device at a plurality of positions; evaluating the reliability of the measured angles; and specifying at least one of a usable field of view of the radar device or a number of required repetitions for a reliable measurement based on the evaluating.
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公开(公告)号：US20220365197A1
公开(公告)日：2022-11-17
申请号：US17663142
申请日：2022-05-12
IPC分类号： G01S13/56 , G01S13/536 , G01S7/35 , G01S7/41
摘要： In an embodiment, a method includes receiving radar signals and detecting motion based on time-domain processing of the received radar signals. In a further embodiment, a radar device includes a receive circuit configured to receive radar signals; and a time-domain processing circuit configured to detect motion based on time-domain processing of the received radar signals
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