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1. 发明申请

WO2021130105A1 OCCUPANCY DETECTION SYSTEM FOR SEAT 审中-公开
公开(公告)号：WO2021130105A1
公开(公告)日：2021-07-01
申请号：PCT/EP2020/086816
申请日：2020-12-17
申请人： IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A. , UNIVERSITY OF NEW SOUTH WALES
发明人： OLK, Andreas , POWELL, David Anthony
IPC分类号： B60R21/015 , B60N2/00 , G01S13/56 , H01Q15/00 , H01Q15/10 , B60N2/002 , B60R21/01534 , G01S13/42 , H01Q1/3233 , H01Q15/0006
摘要： The invention relates to an occupancy detection system (1) for at least one vehicle seat (50, 51). In order to provide efficient means for accurate radar-based occupancy detection in a vehicle, the invention provides that the system (1) comprises: - an antenna arrangement (2), comprising at least one antenna (T1, R1, R2); - a control device (20) adapted to apply a radio-frequency transmission signal to the antenna arrangement (2) and to receive a response signal from antenna arrangement (2); and - a transmit array (3) comprising a plurality of structured metallic layers (4, 5, 6) disposed above each other and extending laterally, each two neighbouring metallic layers (4, 5, 6) isolated from each other by an intermediate dielectric layer (10), wherein the antenna arrangement (2) is adapted to transmit a radio-frequency transmission field (40) through the transmit array (3) onto the at least one vehicle seat (50, 51) in response to the transmission signal and to receive a radio-frequency response field (41, 42) through the transmit array to generate the response signal, and the transmit array (3) is adapted to refract at least one of the transmission field (40) and the response field (41, 42). The transmit array (3) comprises at least one receive section (3.2) adapted to focus a response field (41, 42) from a position of a vehicle seat (50, 51) to a position of a receive antenna (R1, R2).

2. 发明申请

WO2021084048A1 LOAD PROFILE-SENSITIVE SENSOR FOR SEAT OCCUPANCY DETECTION AND/OR CLASSIFICATION 审中-公开
公开(公告)号：WO2021084048A1
公开(公告)日：2021-05-06
申请号：PCT/EP2020/080470
申请日：2020-10-29
申请人： IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.
发明人： ALTHAUS, Frank , LAMESCH, Laurent
IPC分类号： B60N2/00 , G01L1/00
摘要： A load profile-sensitive sensor (10) for seat occupancy detection and/or classification comprises a plurality of force-sensing resistors (30-42) that are arrangeable at predetermined locations of a seat (54), a plurality of electric resistors (12-18) electrically connected in series, and electric lines (24, 26) with terminal ends that are connected to ends of the plurality of electric resistors (12-18). Each force-sensing resistor (30-42) is electrically connected in parallel to at least one electric resistor (12- 18) either individually or in a series connection with at least another force-sensing resistor (30-42). An electric resistance of the force-sensing resistors (30-42) is larger in a non-conducting state by at least a predetermined factor and is smaller in a conducting state by at least a predetermined factor than an electric resistance of the at least one electric resistor (12-18) to which it is connected in parallel. An electric resistance of each electric line that interconnects two of the electric resistors (12-18), of each electric line that connects one of the force-sensing resistors (30-42) in parallel to the at least one electric resistor (12-18), and the electric lines (24, 26) connected to ends of the plurality of electric resistors (12-18) is smaller by at least a predetermined factor than an electrical resistance of any electric resistor (12-18) of the plurality of electric resistors (12-18).

3. 发明申请

WO2020165416A1 METHOD FOR DEPTH MEASUREMENT WITH A TIME-OF-FLIGHT CAMERA USING AMPLITUDE-MODULATED CONTINUOUS LIGHT 审中-公开
公开(公告)号：WO2020165416A1
公开(公告)日：2020-08-20
申请号：PCT/EP2020/053915
申请日：2020-02-14
申请人： IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.
发明人： MIRBACH, Bruno , BOGUSLAWSKI, Martin , SOLIGNAC, Thomas
IPC分类号： G01S7/4914 , G01S7/493 , G01S17/34 , G01S17/42 , G01S7/497 , G01S7/4915
摘要： The invention relates to a method for depth measurement with a time-of-flight camera (1) using amplitude-modulated continuous light, comprising the step of acquiring (120) for each of a plurality of pixels (3) of a sensor array (2) of the camera (1 ) at least one sample sequence comprising at least four amplitude samples ( A 0 , A 1 , A 2 , A 3 ) at a sampling frequency higher than a modulation frequency of the amplitude-modulated continuous light. In order to enable an accurate and efficient depth measurement with a time-of-flight camera, the invention provides that the method further comprises: determining (130) for each sample sequence of each pixel (3) a confidence value ( C ) indicating a degree of correspondence of the amplitude samples ( A 0 , A 1 , A 2 , A 3 ) with a sinusoidal time evolution of the amplitude; and determining (260) for each of a plurality of binning areas (4), each of which comprises a plurality of pixels (3), a binned depth value ( D b ) based on the amplitude samples ( A 0 , A 1 , A 2 , A 3 ) of sample sequence of pixels (3) from the binning area (4), wherein the contribution of a sample sequence to the binned depth value ( D b ) depends on its confidence value ( C ).

4. 发明申请

WO2020115220A1 AUTOMOTIVE MICROWAVE LENS DEVICE FOR GENERATION OF HEART-SHAPED RADIATION PATTERN IN INTERIOR CAR SENSING APPLICATIONS 审中-公开
公开(公告)号：WO2020115220A1
公开(公告)日：2020-06-11
申请号：PCT/EP2019/083840
申请日：2019-12-05
申请人： IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.
发明人： KARAHASANOVIC, Una , FOX, Andreas , WATGEN, Claude , LEMOINE, Franck , STIFTER, Thomas , TATARINOV, Dimitri
IPC分类号： H01Q1/32 , H01Q15/08 , H01Q19/06 , B60R21/015
摘要： A dielectric lens device (14; 40) for shaping a radar beam comprises a first (16; 42) and a second plano-convex cylindrical dielectric lens member (20; 52), and a plane-parallel dielectric substrate (24). The two plano-convex cylindrical dielectric lens members (16, 20; 42, 52) are arranged with their plane surfaces towards a same surface of the plane-parallel dielectric substrate (24). The plano-convex cylindrical dielectric lens members (16, 20; 42, 52) are interconnected to the plane-parallel dielectric substrate (24) in a material fit.

5. 发明申请

WO2020109181A1 SENSOR ARRANGEMENT FOR CAPACITIVE POSITION DETECTION OF A HAND ON A STEERING WHEEL 审中-公开
公开(公告)号：WO2020109181A1
公开(公告)日：2020-06-04
申请号：PCT/EP2019/082314
申请日：2019-11-22
申请人： IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.
发明人： FABER, Thomas , FAVALLI, Gianluca , GIERENS, Heinrich , LAMESCH, Laurent , PUETZ, Michael
IPC分类号： B62D1/06
摘要： The invention relates to a sensor arrangement (1) for capacitive position detection of a hand (31) on a steering wheel (20), comprising: - a plurality of capacitive sensors (2 - 6) disposed along a detection surface (21), which is an outer surface of the steering wheel (20), each sensor (2 - 6) comprising at least one sensor electrode (2a - 6a); and - a measurement device (10) electrically connected to the sensors (2 - 6). In order to increase the reliability of capacitive hand detection on a steering wheel, the invention provides that the measurement device (10) is adapted to perform a sequence of detection operations, and in each detection operation, to activate at least one sensor (2 - 6) by applying a detection signal to its at least one sensor electrode (2a - 6a) in order to capacitively detect the hand (31) while grounding at least one other sensor (2 - 6) by connecting at least one of its sensor electrodes (2a - 6a) to ground, and to activate different sensors (2 - 6) in consecutive detection operations.

6. 发明申请

WO2019086388A1 SYSTEM FOR HAND DETECTION ON A STEERING WHEEL 审中-公开
公开(公告)号：WO2019086388A1
公开(公告)日：2019-05-09
申请号：PCT/EP2018/079593
申请日：2018-10-29
申请人： IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.
发明人： LAMESCH, Laurent
IPC分类号： B62D1/04 , B62D1/06
摘要： The invention relates to a system (1) for hand detection on a steering wheel (20).In order to provide means for hand detection on a steering wheel which are reliable and have a low complexity,the invention provides that the system comprises -a signal line (6) extending from a first point (6.1) to a second point (6.2) and being disposed along at least a portion of a surface (1.1) of the steering wheel (1);and a detection unit (9) coupled to the first point (6.1); wherein the detection unit (9) is configured to send a time-dependent detection signal over the signal line (6), receive a reflected signal from the signal line (6) and detect the presence of a hand on the surface (20.1) based on the reflected signal.

7. 发明申请

WO2019020704A1 METHOD AND SYSTEM FOR HEAD POSE ESTIMATION 审中-公开
公开(公告)号：WO2019020704A1
公开(公告)日：2019-01-31
申请号：PCT/EP2018/070205
申请日：2018-07-25
申请人： IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.
发明人： MIRBACH, Bruno , GARCIA BECERRO, Frederic , DIAZ BARROS, Jilliam Maria
IPC分类号： G06K9/00 , G06T7/73
摘要： The invention relates to a method for head pose estimation using a monocular camera (2). In order to provide means for reliable and robust real-time head pose estimation, the invention provides that the method comprises: - providing an initial image frame (l n ) recorded by the camera (2) showing a head (10); and - performing at least one pose updating loop with the following steps: - identifying and selecting of a plurality of salient points (S) of the head (10) having 2D coordinates (p,) in the initial image frame (l n ) within a region of interest (30); - determining 3D coordinates (P i ) for the selected salient points (S) using a geometric head model (20) of the head (10), corresponding to a head pose; - providing an updated image frame (l n+i ) recorded by the camera (2) showing the head (10); - identifying within the updated image frame (l n+i ) at least some previously selected salient points (S) having updated 2D coordinates (q i ); - updating the head pose by determining updated 3D coordinates (Ρ i' ) corresponding to the updated 2D coordinates (q i ) using a perspective-n-point method; and - using the updated image frame (l n+i ) as the initial image frame (l n ) for the next pose updating loop.

8. 发明申请

WO2019002140A1 CAPACITIVE SENSOR ARRANGEMENT 审中-公开
公开(公告)号：WO2019002140A1
公开(公告)日：2019-01-03
申请号：PCT/EP2018/066797
申请日：2018-06-22
申请人： IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.
发明人： FERRING, Daniel , HOLZAPFEL, Erik , LAMESCH, Laurent , LANDWEHR, Jochen , PUETZ, Michael
IPC分类号： G01L1/14 , G01D5/24 , B60R21/015
摘要： The invention relates to a capacitive sensor arrangement (1), comprising: - a sensing electrode (2) having a capacitance (C X ) which depends on the presence of the object (20) in a detection space (12); - a measurement device (4) connected to the sensing electrode (2) and configured to detect the capacitance (C X ) of the sensing electrode (2); - a conducting structure (3), wherein the capacitance (C X ) of the sensing electrode (2) depends on a potential of the structure (3). In order to provide means for a reliable capacitive measurement, the invention provides that the measurement device (4) is connected for power supply between a first potential (V S ) and a second potential (GND), the measurement device (4) being connected to the second potential (GND) exclusively via the structure (3, 13).

9. 发明申请

WO2018229172A1 CAPACITIVE OCCUPANT DETECTION SYSTEM WITH IMPROVED ISOFIX DISCRIMINATION 审中-公开
公开(公告)号：WO2018229172A1
公开(公告)日：2018-12-20
申请号：PCT/EP2018/065743
申请日：2018-06-14
申请人： IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.
发明人： ALTHAUS, Frank , HOLZAPFEL, Erik , MEURENS, Arnaud , RIBEIRO, Miguel , WAGNER, Guenter
IPC分类号： B60R21/015 , B60N2/00
摘要： A multi-electrode capacitive sensor (16) is introduced to measure a spatial distribution of impedances to ground. The sensor can be used to identify the location of the highest impedance on the seating surface, in contrast to a single-electrode sensor that senses a total impedance on a seating surface only. A simple form of a multi-electrode capacitive sensor (16) is a two-electrode sensor with a first electrode (18) covering a central zone of a seat cushion (34) and a second electrode (20) with two galvanically connected electrode members, wherein each electrode member covers one side region of the seat cushion (34) such that the first antenna electrode (18) is arranged between the two electrode members of the second antenna electrode (20), or a two-electrode sensor with a left and right design.

10. 发明申请

WO2018224612A1 RADAR-BASED PASSENGER CLASSIFICATION AND MONITORING 审中-公开
公开(公告)号：WO2018224612A1
公开(公告)日：2018-12-13
申请号：PCT/EP2018/065075
申请日：2018-06-07
申请人： IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.
发明人： SCHRÖDER, Udo , DIAS DA CRUZ, Steve , BEISE, Hans-Peter , KARAHASANOVIC, Una
IPC分类号： G01S7/41 , G01S13/86 , G01S13/88
摘要： A method of operation a radar sensor system (10) for detecting and classifying a person (28) in an interior (16) of a vehicle (14) in terms of mass. An evaluation and control unit is configured for evaluating Doppler information from received reflected radar signals and for receiving accelerometer data from an accelerometer device (12), wherein the accelerometer data contain information regarding vibration or motion of a vehicle body (22). The method comprising steps of evaluating (42) Doppler information from radar received signals; obtaining (44), from the received accelerometer data, motion quantities of the radar sensor system (10); and steps to be iteratively executed, including selecting (46) temporary evaluation parameters of a predefined differential equation; reconstructing (48) a motion of the at least one seat (18); generating (50), based on the reconstructed motion of the at least one seat (18), temporary Doppler information (50); calculating (52) a value for an objective function that has an extreme value if the temporary Doppler information is strictly periodic. The steps are iteratively executed until a predefined threshold is reached. The latest temporary evaluation parameter representing the mass of the person (28) is provided for further use.

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