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    SELF BIASED RECTIFIER CIRCUIT
    1.
    发明申请
    SELF BIASED RECTIFIER CIRCUIT 有权

    公开(公告)号：US20210391804A1

    公开(公告)日：2021-12-16

    申请号：US17282311

    申请日：2019-10-01

    Applicant: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY

    Inventor： Khaled Nabil SALAMA ,  Abdullah Saud ALMANSOURI

    IPC: H02M7/217 ,  H02M1/08

    Abstract: A self-biased rectifier circuit includes first and second input terminals and first and second output terminals. The self-biased rectifier circuit also includes a rectifier having first, second, third, and fourth transistors, each having a source, gate, and drain. The sources of the first and second transistors and the gates of the third and fourth transistors are coupled to the first input terminal. The sources of the third and fourth transistors and the gates of the first and second transistors are coupled to the second input terminal. The drains of the first and third transistors are coupled to the second output terminal. The drains of the second and fourth transistors are coupled to the first output terminal. A feedback circuit includes a plurality of transistors configured as at least one rectifier. The feedback circuit is coupled to the gates of the first and third transistors and the plurality of transistors are configured to provide a first biasing voltage or a second biasing voltage to the gates of the first and third transistors depending upon a magnitude of power or voltage applied to the first and second input terminals. Additionally, or alternatively, the feedback circuit is coupled to the gates of the second and fourth transistors and the plurality of transistors are configured to provide a first biasing voltage or a second biasing voltage to the gates of the second and fourth transistors depending upon a magnitude of power or voltage applied to the first and second input terminals.

    STOCHASTIC MEMRISTOR LOGIC DEVICES
    2.
    发明申请
    STOCHASTIC MEMRISTOR LOGIC DEVICES 审中-公开

    公开(公告)号：US20200335162A1

    公开(公告)日：2020-10-22

    申请号：US16922255

    申请日：2020-07-07

    Applicant: King Abdullah University of Science and Technology

    Inventor： Rawan NAOUS ,  Khaled Nabil SALAMA

    IPC: G11C13/00 ,  H03K19/20 ,  H03K19/21

    Abstract: In accordance with the present disclosure, one embodiment includes a memristor that is caused to be in a particular resistance state by a voltage applied across terminals of the memristor. A first logical input and a second logical input that are below a threshold voltage of the memristor are applied to a first terminal of the memristor. A first control input and a second control input are applied to a second terminal of the memristor. A logical output is determined based on a resistance state of the memristor.

    UNDERWATER COMMUNICATION INTERFACE APPARATUS
    3.
    发明公开
    UNDERWATER COMMUNICATION INTERFACE APPARATUS 审中-公开

    公开(公告)号：US20240348712A1

    公开(公告)日：2024-10-17

    申请号：US18293075

    申请日：2022-07-27

    Applicant: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY

    Inventor： Michael Lee BERUMEN ,  Wesly BILLMAN ,  José Ilton DE OLIVEIRA FILHO ,  James PEÑA ,  Khaled Nabil SALAMA

    IPC: H04M1/18 ,  H04B1/3888 ,  H04B11/00 ,  H04M1/72409

    CPC classification number: H04M1/18 ,  H04B1/3888 ,  H04B11/00 ,  H04M1/72409

    Abstract: An underwater communication interface apparatus includes a first waterproof enclosure having an interior configured to house an electronic device with a touchscreen in such a way that the touchscreen of the electronic device is adjacent to a first side of the first waterproof enclosure. The first side of the first waterproof enclosure has a non-rigid transparent membrane and the non-rigid transparent membrane is configured to allow a user to interact with the touchscreen of the electronic device. The apparatus also includes a second waterproof enclosure that houses a control module. The control module is configured to be operatively coupled to the electronic device and an external auxiliary device. The apparatus further includes a pressure balancing module coupled to the first waterproof enclosure. The pressure balancing module is configured to balance pressure within the first waterproof enclosure relative to external ambient conditions. The first and second waterproof enclosures are physically coupled together. An internal pressure of the first waterproof enclosure enables the non-rigid transparent membrane of the first waterproof enclosure to remain within a predetermined distance to the touchscreen of the electronic device. The predetermined distance is one that allows the touchscreen of the electronic device to receive inputs from the user via the non-rigid transparent membrane.

    HIGH-THROUGHPUT, MODULAR, PORTABLE, LIVE-IMAGING ROOT SYSTEM AND METHOD
    4.
    发明申请
    HIGH-THROUGHPUT, MODULAR, PORTABLE, LIVE-IMAGING ROOT SYSTEM AND METHOD 有权

    公开(公告)号：US20250017159A1

    公开(公告)日：2025-01-16

    申请号：US18696072

    申请日：2022-10-04

    Applicant: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY

    Inventor： Ikram BLILOU ,  Vinicius M. LUBE ,  Alexander PRZYBYSZ ,  Khaled Nabil SALAMA

    IPC: A01H4/00 ,  G01N33/00

    Abstract: A portable, modular plant monitoring system includes an imaging subsystem configured to acquire images of plural plants with a camera, an imaging actuation subsystem configured to support the imaging subsystem and to translate the imaging subsystem, a carousel system having a carousel configured to hold the plural plants in plural petri dishes, a carousel actuation subsystem configured to support the carousel system, to translate the carousel and to rotate the carousel, a support subsystem configured to hold the camera actuation subsystem and the carousel actuation subsystem, and a control subsystem configured to coordinate (1) a movement of the camera, (2) a linear movement and a rotation of the carousel, (3) image acquisition by the camera, and (4) image processing to detect a characteristic of the plural plants.

    SMALL-SIZED, RECONFIGURABLE, MULTI-MEASUREMENT POTENTIOSTAT CIRCUITRY AND METHOD
    7.
    发明公开
    SMALL-SIZED, RECONFIGURABLE, MULTI-MEASUREMENT POTENTIOSTAT CIRCUITRY AND METHOD 审中-公开

    公开(公告)号：US20240353362A1

    公开(公告)日：2024-10-24

    申请号：US18685558

    申请日：2022-08-01

    Applicant: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY

    Inventor： José Ilton DE OLIVEIRA FILHO ,  Khaled Nabil SALAMA

    IPC: G01N27/02 ,  G01N33/49

    CPC classification number: G01N27/02 ,  G01N33/49

    Abstract: Potentiostat circuitry for performing electrical tests on a biological material includes an integrated circuit having a processor; a power source configured to supply power to the integrated circuit; a reference electrode pad (RE) electrically connected to the integrated circuit and configured to electrically connect to a reference electrode of a sensor; a counter electrode pad (CE) electrically connected to the integrated circuit and configured to electrically connect to a counter electrode of the sensor; first to third working electrode pads electrically connected to the integrated circuit and configured to electrically connect to first to third working electrode of the sensor, respectively, and a communication module configured to exchange data and/or commands with a smart device. The electrode pads are configured to measure a characteristic of the biological material.

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