A rotation detecting device is configured to be used with a switch and detect rotation of a rotation shaft having a magnetic body attached thereto. The rotation detecting device includes a magneto-resistive element facing the magnetic body and outputting a first signal related to displacement of the magnetic body, a Hall element facing the magnetic body and outputting a second signal related to displacement of the magnetic body, and a detection circuit having the first and second signals input thereto. The detection circuit is configured to: output the first signal while the switch is turned on; detect rotation-number information corresponding to the number of rotations of the rotation shaft based on the second signal at a first time point at which the switch is turned off; store the rotation-number information; and output the stored rotation-number information at a second time point when the switch is turned on after the first time point.


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    Titel :

    Rotation detecting device


    Beteiligte:
    FUJIURA HIDEAKI (Autor:in) / UEMURA TAKESHI (Autor:in) / OSABE RYO (Autor:in) / TOMIDA TAKUYA (Autor:in)

    Erscheinungsdatum :

    2020-04-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein / B62D MOTOR VEHICLES , Motorfahrzeuge / G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES



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