There is provided a proximity detection device (100) capable of avoiding detection failure due to light leakage from a light emitting element (110).The proximity detection device (100) according to the present invention includes: a plurality of light emitting elements (110); a plurality of light receiving elements (120); a drive circuit (130) configured to sequentially drive the plurality of light emitting elements (110); a measurement circuit (140) configured to measure a light reception signal of a corresponding light receiving element (120) when the plurality of light emitting elements (110) are sequentially driven; and a control unit (150) configured to control a drive current of a light emitting element (110) such that a light emission amount of the light emitting element (110) is suppressed and amplify a detection signal of a light receiving element (120) to compensate for the suppressed light emission amount during measurement with a relatively short distance between the light emitting element (110) and the light receiving element (120).


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    Title :

    PROXIMITY DETECTION DEVICE AND METHOD FOR DETECTING PROXIMITY


    Additional title:

    NÄHERUNGSERKENNUNGSVORRICHTUNG UND VERFAHREN ZUR NÄHERUNGSERKENNUNG
    DISPOSITIF DE DÉTECTION DE PROXIMITÉ ET PROCÉDÉ DE DÉTECTION DE PROXIMITÉ


    Contributors:

    Publication date :

    2024-03-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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