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    11.
    发明专利
    未知

    公开(公告)号：ITTO20000687D0

    公开(公告)日：2000-07-07

    申请号：ITTO20000687

    申请日：2000-07-07

    Applicant: ST MICROELECTRONICS SRL

    Inventor： RICOTTI GIULIO ,  ROSSI SANDRO ,  FRATTINI GIOVANNI

    IPC: G11B5/55 ,  G11B21/10 ,  G11B21/21 ,  H01L41/04

    Abstract: A driving circuit for piezoelectric actuators comprises a chip of semiconductor material integrating both an interface circuit receiving at input a control signal generated by a control logic unit, and a power circuit driving the piezoelectric actuators. The power circuit is directly connected to the output of the interface circuit.

    18.
    发明专利
    未知

    公开(公告)号：IT1308711B1

    公开(公告)日：2002-01-10

    申请号：ITMI990317

    申请日：1999-02-17

    Applicant: ST MICROELECTRONICS SRL

    Inventor： FONTANELLA LUCA ,  FRATTINI GIOVANNI ,  RICOTTI GIULIO

    Abstract: A switching device having a first and a second electronic switch connected in a half-bridge configuration and each having a control terminal for receiving a switching signal alternatively having a turn-on value and a turn-off value for taking the first and second electronic switches to an on state and to an off state, respectively; the switching device includes, for each switch, means for detecting the state of the switch and means for keeping the switching signal at the turn-off value for one of the electronic switches when the detected state of the other electronic switch is the on state.

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