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    ROTATING HOUSING WITH SENSOR
    1.
    发明申请
    ROTATING HOUSING WITH SENSOR 有权

    公开(公告)号：US20220080739A1

    公开(公告)日：2022-03-17

    申请号：US17419530

    申请日：2019-04-29

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Jordi Hernandez Creus ,  Marta Coma Vives ,  Javier Chavarria Roe ,  Jose Maria Rio Doval

    IPC: B41J2/175

    Abstract: A printing apparatus is disclosed. The printing apparatus comprises a rotating housing comprising a wall with an inner side defining a chamber and an outer side. The wall has a bore communicating the inner side and the outer side, and the chamber is to receive a fluid container. The printing apparatus also comprises a fix frame holding the rotating housing. The printing apparatus further comprises an optical sensor comprising an emitter to issue a detecting optical signal through the bore and a receiver to receive a detected optical signal associated to the detecting optical signal. The detected signal is sent to a controller to determine whether the fluid container is present in the rotating housing.

    CALIBRATING COMMUNICATION LINES
    2.
    发明申请
    CALIBRATING COMMUNICATION LINES 审中-公开

    公开(公告)号：US20200089438A1

    公开(公告)日：2020-03-19

    申请号：US16467881

    申请日：2017-04-20

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： Xavier Ponce Garcia ,  Jordi Hernandez Creus ,  Ricard Silvestre

    IPC: G06F3/12 ,  H04B3/04 ,  H04L7/04 ,  H04L7/00

    Abstract: Devices and methods for calibrating communication lines are disclosed. A clock sets a frequency of transmission through a communication line. A delay compensator, comprising multi-tap delay lines introduces delays in a transmitted message to compensate for skew in the communication line. An error comparator, coupled to the delay compensator, identifies errors in the messages transmitted through the multi-tap delay lines above an error margin. A delay selector, coupled to the error comparator and to the delay compensator, selects taps of the multi-tap delay lines of the delay compensator. Taps of the multi-tap delay lines where no errors are identified for the selected clock frequency are stored in a memory.

    Rotating housing with sensor
    5.
    发明授权
    Rotating housing with sensor 有权

    公开(公告)号：US11858277B2

    公开(公告)日：2024-01-02

    申请号：US17419530

    申请日：2019-04-29

    Applicant: Hewlett-Packard Development Company, L.P.

    Inventor： Jordi Hernandez Creus ,  Marta Coma Vives ,  Javier Chavarria Roe ,  Jose Maria Rio Doval

    IPC: B41J2/175

    CPC classification number: B41J2/17566 ,  B41J2/1752 ,  B41J2002/17573

    Abstract: A printing apparatus is disclosed. The printing apparatus comprises a rotating housing comprising a wall with an inner side defining a chamber and an outer side. The wall has a bore communicating the inner side and the outer side, and the chamber is to receive a fluid container. The printing apparatus also comprises a fix frame holding the rotating housing. The printing apparatus further comprises an optical sensor comprising an emitter to issue a detecting optical signal through the bore and a receiver to receive a detected optical signal associated to the detecting optical signal. The detected signal is sent to a controller to determine whether the fluid container is present in the rotating housing.

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