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1648 条记录 (耗时 0.032 秒)

    Integrated optical sensor with pinned photodiodes
    54.
    发明授权
    Integrated optical sensor with pinned photodiodes 有权

    公开(公告)号：US11757054B2

    公开(公告)日：2023-09-12

    申请号：US17324619

    申请日：2021-05-19

    申请人： STMicroelectronics (Crolles 2) SAS

    发明人： Didier Dutartre

    IPC分类号： H01L31/028 ,  G01S7/4865 ,  H01L27/146 ,  H01L31/103

    CPC分类号： H01L31/028 ,  G01S7/4865 ,  H01L27/14649 ,  H01L31/1037

    摘要： An integrated optical sensor is formed by a pinned photodiode. A semiconductor substrate includes a first semiconductor region having a first type of conductivity located between a second semiconductor region having a second type of conductivity opposite to the first type one and a third semiconductor region having the second type of conductivity. The third semiconductor region is thicker, less doped and located deeper in the substrate than the second semiconductor region. The third semiconductor region includes both silicon and germanium. In one implementation, the germanium within the third semiconductor region has at least one concentration gradient. In another implementation, the germanium concentration within the third semiconductor region is substantially constant.

    Compact line scan mems time of flight system with actuated lens
    55.
    发明授权
    Compact line scan mems time of flight system with actuated lens 有权

    公开(公告)号：US11747611B2

    公开(公告)日：2023-09-05

    申请号：US17124027

    申请日：2020-12-16

    申请人： STMicroelectronics (Research & Development) Limited ,  STMicroelectronics S.r.l.

    发明人： Christopher Townsend ,  Roberto Carminati

    IPC分类号： G02B26/10 ,  G01S17/894 ,  G02B26/08

    CPC分类号： G02B26/101 ,  G01S17/894 ,  G02B26/0858

    摘要： An optical module includes an optical detector, laser emitter, and first and second support structures, each carried by a substrate. An optical layer includes first and second fixed portions carried by the support structures, a movable portion affixed between the fixed portions by a spring structure, and a lens system carried by the movable portion, the lens system including an objective lens and a beam shaping lens. The optical layer includes a comb drive with a first comb structure extending from the first fixed portion to interdigitate with a second comb structure extending from the movable portion, a third comb structure extending from the second fixed portion to interdigitate with a fourth comb structure extending from the movable portion, and actuation circuitry applying voltages to the comb structures to cause the movable portion of the optical layer to oscillate back and forth between the fixed portions.

    Voltage controlled steered VCSEL driver
    58.
    发明授权
    Voltage controlled steered VCSEL driver 有权

    公开(公告)号：US11728621B2

    公开(公告)日：2023-08-15

    申请号：US16891936

    申请日：2020-06-03

    申请人： STMicroelectronics (Research & Development) Limited

    发明人： John Kevin Moore

    IPC分类号： H01S5/042 ,  H01S5/068 ,  H01S5/42

    CPC分类号： H01S5/0427 ,  H01S5/06808 ,  H01S5/423

    摘要： An electronic device includes laser emitters, and a laser driver generating a laser drive signal for the laser emitters based upon a feedback control signal. A steering circuit selectively steers the laser drive signal to a different selected one of the plurality of laser emitters and prevents the laser drive signal from being steered to non-selected ones of the plurality of laser emitters, during each of a plurality of time periods. Control circuitry senses a magnitude of a current of the laser drive signal and generates the feedback control signal based thereupon. The feedback control signal is generated so as to cause the laser driver to generate the laser drive signal as having a current with a substantially constant magnitude.

    Foldable geometric block
    59.
    外观设计
    Foldable geometric block 有权

    公开(公告)号：USD994040S1

    公开(公告)日：2023-08-01

    申请号：US29770685

    申请日：2021-02-15

    申请人： The Board of Regents of the University of Oklahoma

    设计人： Jennifer Thompson Tetnowski

    摘要： FIG. 1 is a top plan view of a foldable geometric block according to a first and a second embodiments of my design.
    FIG. 2 is a bottom plan view of the first embodiment thereof, with instructive markings.
    FIG. 3 is a bottom plan view of the second embodiment of FIG. 1, without instructive markings.
    FIG. 4 is a top plan view of a foldable geometric block according to a third embodiment of my design.
    FIG. 5 is a bottom plan thereof; and,
    FIG. 6 is a front perspective view of the foldable geometric block according to the first, the second, and the third embodiments, shown in a constructed state.

    Discharge of an AC capacitor
    60.
    发明授权
    Discharge of an AC capacitor 有权

    公开(公告)号：US11711013B2

    公开(公告)日：2023-07-25

    申请号：US17568247

    申请日：2022-01-04

    申请人： STMicroelectronics LTD

    发明人： Laurent Gonthier

    IPC分类号： H02M1/32 ,  H02M7/155 ,  H02M1/08 ,  H02M1/00

    CPC分类号： H02M1/322 ,  H02M1/0085 ,  H02M1/08 ,  H02M7/155 ,  H02M7/1555

    摘要： A circuit includes two thyristors coupled in anti-series. An AC capacitor has first and second electrodes respectively coupled to two different electrodes of the two thyristors. The first and second electrodes are coupled to receive an AC voltage. A control circuit detects discontinuance of application of the AC voltage to the AC capacitor and in response thereto simultaneously applies same gate currents to the two thyristors. A current path through the two thyristors (one passing current in forward mode and the other in reverse mode) discharges a residual voltage stored on the AC capacitor.