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公开(公告)号：WO2023083569A1
公开(公告)日：2023-05-19
申请号：PCT/EP2022/078922
申请日：2022-10-18
Applicant: AMS INTERNATIONAL AG
Inventor： ZAGOLLA, Volker , PAPADOPOULOS, Ioannis
IPC: G02B27/00
Abstract: An optical device (1) for eye tracking comprises a light scanner (2) configured to scan a light beam (6) across an eye (3), an optical element (4) configured to collect light (7) reflected from the eye (3) and incident on the optical element (4) at a predefined angle onto a sensor (5), and the sensor (5) configured to sense the light (8) collected by the optical element (4).
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公开(公告)号：WO2023025814A1
公开(公告)日：2023-03-02
申请号：PCT/EP2022/073500
申请日：2022-08-23
Applicant: AMS INTERNATIONAL AG
Inventor： OWEN, Ryan , HEGDE, Pradeep
IPC: G01S17/06 , G01S17/894 , G01S7/4863 , G01S7/487
Abstract: An optical device (1) comprises an emitter (2) for emitting pulses of light, a detector (3) for detecting light emitted by the detector (3) and reflected from one or more targets (A, B, C), wherein the detector (3) comprises a plurality of detection zones (5) covered by a lens (4) arranged to direct incident light onto the plurality of zones (5), and wherein the detector (3) is configured to provide an output signal from each detection zone (5), and one or more processors (6) for processing the output signals, wherein the one or more processors (6) are configured to dynamically set a signal threshold for the one or more targets (A, B, C), and to filter out output signals having an amplitude below the signal threshold.
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公开(公告)号：WO2023280527A1
公开(公告)日：2023-01-12
申请号：PCT/EP2022/066084
申请日：2022-06-14
Applicant: AMS INTERNATIONAL AG
Inventor： LOUS, Erik Jan
Abstract: A micro-fluidic device comprises an integrated photodetector circuit (PC) further comprising at least one photodetector (PD). A micro-fluidic cartridge (MC) comprises at least one detection chamber (DC) connected to a micro-channel (CH) to receive a liquid to be tested. The micro-fluidic cartridge (MC) is arranged on the integrated photodetector circuit (PC) such that the at least one detection chamber (DC) is aligned with the photodetector (PD). A heating element (HE) is thermally conductive to the detection chamber (DC) and operable to alter a temperature of the liquid to be tested. A cooling element (CE) is thermally conductive to the photodetector and operable to alter a temperature of the photodetector (PD).
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公开(公告)号：WO2022207650A1
公开(公告)日：2022-10-06
申请号：PCT/EP2022/058298
申请日：2022-03-29
Applicant: AMS INTERNATIONAL AG
Inventor： AVALUR, Krishna Kanth , GUPTA, Rajesh
IPC: H03K17/94 , H03K17/941 , H03K2217/94108 , H03K2217/94116
Abstract: An optical proximity sensor (100) comprises a photodiode (205), a light source (110) configured to emit light and a measurement circuit (120) coupled to the photodiode. The measurement circuit is configured to measure light received by the photodiode in a first phase when the light source is turned off and in a second phase when the light source is turned on. The measurement circuit determines the difference between the light measured in the first and second phases, wherein the first phase for off measurement is longer than the second phase for on measurement.
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公开(公告)号：WO2022129037A1
公开(公告)日：2022-06-23
申请号：PCT/EP2021/085674
申请日：2021-12-14
Applicant: AMS INTERNATIONAL AG
Inventor： ELE, Vijay, Yadgiri , VERNEKAR, Sandeep , KURUGANTI, Dinesh , KODE, Radhika
IPC: G01S17/04
Abstract: A proximity sensing device (100) is disclosed comprising: a radiation emitter (104) emitting infrared, IR, light; a radiation sensor (106) configured to sense a reflected radiation from the radiation emitter (104); a memory (110) for storing a plurality of ambient radiation level ranges and a plurality of coefficients that map onto the plurality of ambient radiation level ranges; and processing circuitry configured to compensate an output from the radiation sensor for crosstalk by subtracting from the output a measured ambient radiation level, e.g. from the ambient level sensor, ALS, (108), scaled by either: a coefficient selected from the plurality of coefficients; or a value derived from the plurality of coefficients. A proximity sensing calibration method for determining a plurality of coefficients for use in compensating an output from the radiation sensor (106) for crosstalk comprises; receiving a plurality of outputs from the radiation sensor (106), wherein the radiation sensor is configured to sense a reflected radiation from a radiation emitter (104); receiving a plurality of ambient radiation levels from the ambient level sensor (108), each of which is measured at a time that substantially corresponds to a time of measurement of each of the plurality of outputs; and determining a relationship between the plurality of outputs and the corresponding plurality of ambient radiation levels and deriving the plurality of coefficients based on the relationship.
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Patent Agency Ranking
公开(公告)号：WO2022128997A1
公开(公告)日：2022-06-23
申请号：PCT/EP2021/085617
申请日：2021-12-14
Applicant: AMS INTERNATIONAL AG
Inventor： LOUS, Erik, Jan , CHEAH BONG, Chong , FREDERIX, Filip
Abstract: A lateral flow test device is disclosed comprising an optical detector configured to receive light from a test region of an assay test strip and to generate an electrical output based on the received light. An electrical signal processor is provided for analysing the electrical output and a flow sensor is configured to detect flow from a sample provided on the assay test strip at least prior to the flow reaching the test region. A method of operating a lateral flow test device is also disclosed.
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公开(公告)号：WO2022128289A1
公开(公告)日：2022-06-23
申请号：PCT/EP2021/081841
申请日：2021-11-16
Applicant: AMS INTERNATIONAL AG
Inventor： KANAGAL RAMESH, Srinidhi Koushik , AUER, Markus
IPC: H03F3/45
Abstract: In one embodiment a differential amplifier arrangement comprises a first input (10) configured to receive a first input signal (VIP), a second input (11) configured to receive a second input signal (VIN), a first output (20) configured to provide a first output signal (VREFP), a second output (21) configured to provide a second output signal (VREFN), a common mode loop (L1) configured to regulate an output common mode of the differential amplifier arrangement depending on a difference between a common mode reference signal (VCI) and an average (VCO) of the first and the second output signal (VREFP, VREFN), and a differential mode loop (L2a, L2b) configured to regulate a differential mode output of the differential amplifier arrangement depending on a difference between a difference (VDREF) between the first and the second input signal (VIP, VIN) and a difference (VD) between the first and the second output signal (VREFP, VREFN). Therein the difference between the first and the second output signal (VREFP, VREFN) is substantially constant.
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公开(公告)号：WO2022043406A1
公开(公告)日：2022-03-03
申请号：PCT/EP2021/073550
申请日：2021-08-25
Applicant: AMS INTERNATIONAL AG
Inventor： MIKULIC, Josip , SCHATZBERGER, Gregor
IPC: H03K3/0231 , G06F1/08 , H03B5/20 , H03L1/02
Abstract: An oscillator circuit comprises a first integrator unit (100) to charge a first capacitor (110) at a first integration node (121), a second integrator unit (200) to charge a second capacitor (210) at a second integration node (221), a chopped comparator unit (500) and a logic unit (600). The chopped comparator unit comprises a switching unit (510), a sensing comparator (531) and a replica comparator. The switching unit (510) is configured to couple the first integration node (121), the second integration node (221) and a reference voltage VREF to the sensing comparator (531) and the replica comparator (532), depending upon a phase determined by a first input clock signal C1 and a second input clock signal C2, which have opposite phases. The logic unit (600) is configured to generate signals C1, C2, D1, D2, E1, E2 for controlling each integrator unit (100, 200).
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公开(公告)号：WO2022038037A1
公开(公告)日：2022-02-24
申请号：PCT/EP2021/072480
申请日：2021-08-12
Applicant: AMS INTERNATIONAL AG
Inventor： HOFRICHTER, Jens , TOBESCU, Corneliu-Mihai
Abstract: An electronic sensing device (2) comprises a display (1) having a display surface and a plurality of micro light emitters (12) configured to emit light for forming a display image on the display surface. A plurality of micro photodetectors (13) is configured to detect light conditions at the display surface. A transceiver circuit is configured to drive the micro light emitters (12) to emit light, drive the micro photodetectors (13) to detect light and generate photo signals based on the detected light, coordinate the driving of the micro light emitters (12) and of the micro photodetectors (13), and process the photo signals according to at least one of a list of sensing modes. The plurality of micro light emitters (12) and the plurality of micro photodetectors (13) are arranged on a surface of a display substrate.
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公开(公告)号：WO2022012833A1
公开(公告)日：2022-01-20
申请号：PCT/EP2021/066134
申请日：2021-06-15
Applicant: AMS INTERNATIONAL AG
Inventor： YADAGIRI, Vasanth Swaroop , ADUSUMALLI, Ravi Kumar
IPC: H04M1/72454 , G06F1/3231 , H04M1/02
Abstract: A proximity detection system for a mobile device. The system comprises an infrared emitter (106) to emit infrared light, an infrared detector (108) to detect the infrared light after reflection from a target and provide a detector signal; and a signal processing subsystem (110). The signal processing subsystem is configured to control the proximity detection system into a first, detect mode for detecting proximity of the target as the target approaches the mobile device, and after detection of the target to control the proximity detection system into a second, release mode for detecting movement of the target out of proximity to the mobile device. The signal processing subsystem also controls the proximity detection system such that, contrary to conventional hysteresis, for a given proximity of the target the detector signal reduces when the mode switches from the detect mode to the release mode, thus increasing reliability.
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