公开(公告)号：US20230252818A1

公开(公告)日：2023-08-10

申请号：US18304969

申请日：2023-04-21

Applicant: Infineon Technologies AG

Inventor： Neha Baheti ,  Ashutosh Baheti ,  Avik Santra

IPC: G06V40/12 ,  B60R25/20 ,  B60R25/25 ,  B62D1/04 ,  G01S7/35 ,  G01S7/41 ,  G01S13/88 ,  G06V40/20

CPC classification number: G06V40/1365 ,  B60R25/2045 ,  B60R25/252 ,  B62D1/046 ,  G01S7/35 ,  G01S7/415 ,  G01S13/88 ,  G06V40/20

Abstract: In an embodiment, a method for authenticating a user of a car includes: transmitting a plurality of radiation pulses through a predetermined portion of a surface of the car towards a portion of a hand of the user using a millimeter-wave radar, receiving a reflected signal from the portion of the hand using the millimeter-wave radar; generating a fingerprint signature based on the reflected signal; comparing the fingerprint signature to a database of authorized fingerprint signatures; and authorizing the user based on whether the fingerprint signature matches an authorized fingerprint signature of the database of authorized fingerprint signatures.

公开(公告)号：US11656333B2

公开(公告)日：2023-05-23

申请号：US16750422

申请日：2020-01-23

Applicant: Infineon Technologies AG

Inventor： Saverio Trotta ,  Ashutosh Baheti ,  Reinhard-Wolfgang Jungmaier ,  Avik Santra

IPC: G01S7/41 ,  G01S13/86 ,  G01S13/87 ,  G01S13/89 ,  G06F21/32 ,  G07C9/37

CPC classification number: G01S7/412 ,  G01S7/417 ,  G01S13/867 ,  G01S13/878 ,  G01S13/89 ,  G06F21/32 ,  G07C9/37

Abstract: In accordance with an embodiment, a method of recognizing a biological target includes performing radar measurements for a plurality of sites on the biological target using a millimeter-wave radar sensor, producing a target data set for the plurality of sites based on the radar measurements, extracting features from the target data set, comparing the extracted features to stored features, and determining whether the extracted features match the stored features based on the comparing.

公开(公告)号：US11600902B2

公开(公告)日：2023-03-07

申请号：US16790460

申请日：2020-02-13

Applicant: Infineon Technologies AG

Inventor： Ashutosh Baheti ,  EungSan Cho ,  Saverio Trotta

IPC: H01Q1/22 ,  H01L23/31 ,  H01L23/498 ,  H01L23/66 ,  H01L23/00 ,  H01L21/48 ,  H01L21/56

Abstract: A semiconductor device includes: a dielectric substrate; an integrated circuit (IC) die disposed inside an opening of the dielectric substrate, where the IC die is configured to transmit or receive radio frequency (RF) signals; a dielectric material in the opening of the dielectric substrate and around the IC die; a redistribution structure along a first side of the dielectric substrate, where a first conductive feature of the redistribution structure is electrically coupled to the IC die; a second conductive feature along a second side of the dielectric substrate opposing the first side; a via extending through the dielectric substrate, where the via electrically couples the first conductive feature and the second conductive feature; and an antenna at the second side of the dielectric substrate, where the second conductive feature is electrically or electromagnetically coupled to the antenna.

公开(公告)号：US11416077B2

公开(公告)日：2022-08-16

申请号：US16040019

申请日：2018-07-19

Applicant: Infineon Technologies AG

Inventor： Ashutosh Baheti ,  Avik Santra ,  Mandy Barsilai Fernandez

IPC: G06F3/01 ,  G06F3/041 ,  G01S13/06 ,  G06F3/0488 ,  G06F3/04883 ,  G01S13/87

Abstract: A controller is configured to be coupled to a millimeter-wave radar mounted on a device, where the millimeter-wave radar includes a field of view in a direction away from the device. The controller is configured to: detect a presence of an object in a first range zone of a plurality of range zones of the field of view, where each range zone of the plurality of range zones respectively corresponds to different distance ranges relative to the device, and where each range zone is associated with a respective command database; determine a gesture signature based on detecting the presence of the object in the first range zone of the field of view; and cause execution of a command chosen from the respective command database associated with the first range zone as a function of the gesture signature.

公开(公告)号：US11355838B2

公开(公告)日：2022-06-07

申请号：US16356316

申请日：2019-03-18

Applicant: Infineon Technologies AG

Inventor： Ashutosh Baheti ,  Marwa Abdel-Aziz ,  Mustafa Dogan ,  Muhammad Tayyab Qureshi ,  Saverio Trotta ,  Maciej Wojnowski

IPC: H01Q13/10 ,  H01Q1/52 ,  G01S7/03 ,  G01S7/282 ,  G01S7/285 ,  G01S13/32 ,  H01Q9/04 ,  H01Q19/00

Abstract: A packaged radar includes laminate layers, a ground plane associated with at least one of the laminate layers, a transmit antenna and a receive antenna associated with at least one of the laminate layers, and an electromagnetic band gap structure between the transmit antenna and the receive antenna for isolating the transmit antenna and the receive antenna, the electromagnetic band gap structure including elementary cells forming adjacent columns each coupled to the ground plane, and each elementary cell including a conductive planar element and a columnar element coupled to the conductive planar element.

公开(公告)号：US11336026B2

公开(公告)日：2022-05-17

申请号：US16217944

申请日：2018-12-12

Applicant: Infineon Technologies AG

Inventor： Saverio Trotta ,  Ashutosh Baheti

IPC: H01Q1/42 ,  H01Q19/30 ,  G01S13/88 ,  G06F3/01 ,  H01Q1/22 ,  H01Q1/27 ,  H01Q1/24 ,  H01Q15/14 ,  H04B1/3827 ,  G01S7/02

Abstract: A radio frequency (RF) system includes an RF integrated circuit (IC) die, and an antenna coupled to the RF IC die. The RF system further includes a reflector layer over the RF IC die, the reflector layer extending over at least a portion of the antenna, a combination of the antenna and the reflector layer having a radiation pattern that comprises a main lobe in a first direction parallel to a top surface of the reflector layer.

公开(公告)号：US11278241B2

公开(公告)日：2022-03-22

申请号：US15872701

申请日：2018-01-16

Applicant: Infineon Technologies AG

Inventor： Ashutosh Baheti ,  Reinhard-Wolfgang Jungmaier ,  Avik Santra ,  Saverio Trotta

IPC: A61B5/0507 ,  A61B5/00 ,  A61B5/0245 ,  G01S7/03 ,  G01S13/32 ,  A61B5/024 ,  H01L23/538 ,  G01S13/88 ,  G01S7/41 ,  H01L25/065 ,  G01S13/536 ,  H01L23/52 ,  A61B5/35

Abstract: A system includes a millimeter-wave radar sensor disposed on a circuit board, a plurality of antennas coupled to the millimeter-wave radar sensor and disposed on the circuit board, and a processing circuit coupled to the millimeter-wave radar sensor and disposed on the circuit board. The processing circuit is configured to determine vital signal information based on output from the millimeter-wave radar sensor.

公开(公告)号：US10928501B2

公开(公告)日：2021-02-23

申请号：US16115216

申请日：2018-08-28

Applicant: Infineon Technologies AG

Inventor： Avik Santra ,  Ashutosh Baheti

IPC: G01S13/524 ,  H01L23/00 ,  H01L23/66

Abstract: A radar system includes a radio frequency (RF) circuit to generate a transmit signal and to receive a corresponding receive signal from a target during rainfall or snowfall conditions, and a signal processing circuit coupled to the RF circuit to generate an adaptive filter threshold in response to the rainfall or snowfall conditions, and to generate a valid target signal in response a portion of the receive signal above the adaptive filter threshold.

公开(公告)号：US20200319327A1

公开(公告)日：2020-10-08

申请号：US16376945

申请日：2019-04-05

Applicant: Infineon Technologies AG

Inventor： Ivan Tsvelykh ,  Ashutosh Baheti ,  Samo Vehovc ,  Avik Santra

IPC: G01S13/58 ,  G01S13/93 ,  G05D1/02 ,  G05D1/06 ,  G05D1/00

Abstract: In an embodiment, a millimeter-wave system includes a first circuit having M channels, one or more antennas coupled to the first circuit, and a controller that includes a resource scheduler module. The controller is configured to operate the millimeter-wave system as a radar device and as a communication device based on an output of the resource scheduler module.

公开(公告)号：US10795012B2

公开(公告)日：2020-10-06

申请号：US15876769

申请日：2018-01-22

Applicant: Infineon Technologies AG

Inventor： Avik Santra ,  Ashutosh Baheti ,  Thomas Finke ,  Reinhard-Wolfgang Jungmaier ,  Saverio Trotta ,  Raghavendran Vagarappan Ulaganathan

IPC: G01S13/50 ,  G01S7/41 ,  G01S13/56 ,  G01S13/42 ,  G01S7/10 ,  G06K9/00 ,  G01S7/288 ,  G01S13/536 ,  G01S13/522 ,  G01S7/292

Abstract: An embodiment method includes identifying a set of targets within a field of view of a millimeter-wave radar sensor based on radar data received by the millimeter-wave radar sensor; capturing radar data corresponding to the set of targets across a macro-Doppler frame; performing macro-Doppler processing on the macro-Doppler frame and determining whether a macro-Doppler signal is present in the macro-Doppler frame based on the macro-Doppler processing; capturing radar data corresponding to the set of targets across a micro-Doppler frame, wherein the micro-Doppler frame has a duration equal to a first plurality of macro-Doppler frames; performing micro-Doppler processing on the micro-Doppler frame and determining whether a micro-Doppler signal is present in the micro-Doppler frame based on the micro-Doppler processing; and activating at least one range bin of a plurality of range bins in response to a determination that at least one of the macro-Doppler signal or the micro-Doppler signal is present.