中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

26 records (took 0.012 seconds)

    Image sensor apparatus and processing circuit capable of preventing sampled reset/exposure charges from light illumination as well as achieving lower circuit costs
    1.
    发明授权
    Image sensor apparatus and processing circuit capable of preventing sampled reset/exposure charges from light illumination as well as achieving lower circuit costs 有权

    公开(公告)号：US11317042B2

    公开(公告)日：2022-04-26

    申请号：US17183366

    申请日：2021-02-24

    Applicant: PixArt Imaging Inc.

    Inventor： Kuan Tang ,  Yi-Cheng Chiu ,  Jui-Te Chiu

    IPC: H04N5/355 ,  H01L27/146 ,  H04N5/353

    Abstract: An image sensor apparatus includes a pixel array having pixel units each including an image sensor cell and a processing circuit. The processing circuit includes a bias transistor, second floating diffusion node, first switch unit, signal transfer capacitor, reset transfer capacitor, second switch unit, and third switch unit. Bias transistor is coupled between first and second floating diffusion nodes and has control terminal coupled to bias voltage. First switch unit is coupled between first and second floating diffusion nodes. Second switch unit is coupled between second floating diffusion node and signal transfer capacitor. Third switch unit is coupled between second floating diffusion node and reset transfer capacitor. Signal transfer capacitor is selectively coupled to second floating diffusion node. Reset transfer capacitor is selectively coupled to second floating diffusion node.

    Image sensor apparatus and processing circuit capable of preventing sampled reset/exposure charges from light illumination as well as achieving lower circuit costs
    2.
    发明授权
    Image sensor apparatus and processing circuit capable of preventing sampled reset/exposure charges from light illumination as well as achieving lower circuit costs 有权

    公开(公告)号：US11265506B1

    公开(公告)日：2022-03-01

    申请号：US17002755

    申请日：2020-08-25

    Applicant: PixArt Imaging Inc.

    Inventor： Kuan Tang ,  Yi-Cheng Chiu ,  Jui-Te Chiu

    IPC: H04N5/378 ,  H04N5/355 ,  H04N5/3745 ,  H04N5/369

    Abstract: An image sensor apparatus includes a pixel array having pixel units each including an image sensor cell and a processing circuit. The processing circuit includes a bias transistor, second floating diffusion node, first switch unit, signal transfer capacitor, reset transfer capacitor, second switch unit, and third switch unit. Bias transistor is coupled between first and second floating diffusion nodes and has control terminal coupled to bias voltage. First switch unit is coupled between first and second floating diffusion nodes. Second switch unit is coupled between second floating diffusion node and signal transfer capacitor. Third switch unit is coupled between second floating diffusion node and reset transfer capacitor. Signal transfer capacitor is selectively coupled to second floating diffusion node. Reset transfer capacitor is selectively coupled to second floating diffusion node.

    CHIP PACKAGE
    3.
    发明申请
    CHIP PACKAGE 审中-公开

    公开(公告)号：US20190326205A1

    公开(公告)日：2019-10-24

    申请号：US15957930

    申请日：2018-04-20

    Applicant: PixArt Imaging Inc.

    Inventor： Peng-Sheng Chen ,  Jui-Te Chiu

    IPC: H01L23/498 ,  G06F3/03

    Abstract: A chip package with at least eight pins includes a main body, seven first pins and a second pin. An integrated circuit is disposed inside the main body. The seven first pins are electrically connected with the integrated circuit and configured to provide specific functions. The second pin is electrically connected with the integrated circuit and disposed adjacent by some of the seven first pins. The second pin is a free pin and unconnected with a passive component. The second pin is applied for empty connection, switch of detection accuracy, printing actuation or page turning.

    Image sensor capable of averaging pixel data
    4.
    发明授权
    Image sensor capable of averaging pixel data 有权

    公开(公告)号：US10609319B2

    公开(公告)日：2020-03-31

    申请号：US15830754

    申请日：2017-12-04

    Applicant: PixArt Imaging Inc.

    Inventor： Chia-Chi Kuo ,  Jui-Te Chiu ,  Han-Chi Liu ,  Peng-Sheng Chen ,  Yi-Cheng Chiu

    IPC: H04N5/378 ,  H04N5/369 ,  H04N5/3745 ,  H04N5/374 ,  H04N5/347

    Abstract: An image sensor including a first pixel circuit, a second pixel circuit, a first readout line, a second readout line, a first readout circuit, a second readout circuit and an average switch is provided. The first and second pixel circuits are in two columns of a pixel array. The first readout line transmits pixel data of the first pixel circuit to the first readout circuit. The second readout line transmits pixel data of the second pixel circuit to the second readout circuit. The average switch is arranged between the first and second readout lines and used to electrically connect the first and second readout lines in an average mode to average the pixel data on the first and second readout lines.

    ANALOG-TO-DIGITAL SIGNAL PROCESSING METHOD AND APPARATUS FOR IMAGE SENSOR
    5.
    发明申请
    ANALOG-TO-DIGITAL SIGNAL PROCESSING METHOD AND APPARATUS FOR IMAGE SENSOR 审中-公开

    公开(公告)号：US20180103224A1

    公开(公告)日：2018-04-12

    申请号：US15434035

    申请日：2017-02-15

    Applicant: PixArt Imaging Inc.

    Inventor： Cheng-Seng Hsu ,  Jui-Te Chiu

    IPC: H04N5/378 ,  H04N5/3745 ,  H04N5/357 ,  H04N5/363

    CPC classification number: H04N5/378

    Abstract: An analog-to-digital signal processing method applied for an image sensor includes: providing a global analog-to-digital converter (ADC) capable of converting analog signals of all pixels of a pixel array into digital signals; providing a column-parallel ADC capable of respectively converting a plurality of analog signals of a plurality of pixels on different columns of the pixel array into a plurality of digital signals by using a plurality of ADC circuits; and, dynamically selecting and switching to enable one of the global ADC and column-parallel ADC to perform analog-to-digital conversion for analog data/signals of pixels on the pixel array.

    Vessel sensing device with automatic amendment function
    6.
    发明授权
    Vessel sensing device with automatic amendment function 有权

    公开(公告)号：US09877662B2

    公开(公告)日：2018-01-30

    申请号：US14746807

    申请日：2015-06-22

    Applicant: PixArt Imaging Inc.

    Inventor： Peng-Sheng Chen ,  Hsiang-Wei Hwang ,  Jui-Te Chiu

    IPC: A61B5/02 ,  A61B5/024 ,  A61B5/08 ,  A61B5/00

    CPC classification number: A61B5/02438 ,  A61B5/082 ,  A61B5/681

    Abstract: A vessel sensing device with automatic amendment function includes an analog processing circuit, a signal generating circuit and a DC voltage detecting circuit. The analog processing circuit includes an optical sensing module. An optical sensor of the optical sensing module generates an analog signal with a skin characteristic signal and a vessel characteristic signal according to an optical reflecting signal. The skin characteristic signal and the vessel characteristic signal respectively correspond to a skin feature and a vessel feature of the user. The signal generating circuit is coupled to the analog processing circuit to transform the analog signal into a compensation signal. The DC voltage detecting circuit is coupled to the signal generating circuit and adapted to compensate the analog processing circuit according to the compensation signal, so as to decrease the skin characteristic signal within the analog signal.

    Image sensor apparatus and method capable of rapidly reading out and processing pixel voltages of pixel array
    9.
    发明授权
    Image sensor apparatus and method capable of rapidly reading out and processing pixel voltages of pixel array 有权

    公开(公告)号：US11012653B2

    公开(公告)日：2021-05-18

    申请号：US16601541

    申请日：2019-10-14

    Applicant: PixArt Imaging Inc.

    Inventor： Chia-Chi Kuo ,  Jui-Te Chiu ,  Han-Chi Liu ,  Wei-Chia Huang ,  Yi-Cheng Chiu ,  Kuan Tang

    IPC: H04N5/376 ,  H04N5/372 ,  H04N5/3745

    Abstract: A method of image sensor apparatus includes: providing pixel array having pixel units arranged in M rows and N columns; providing N parallel column readout circuits each being arranged for reading out pixel data of one corresponding column; disposing a horizontal shift register in row direction coupled to the N parallel column readout circuits, to receive a pulse signal and a clock signal, sequentially shift a phase of the pulse signal according to the clock signal, and scan a corresponding column according to the shifted phase of the pulse signal; and using a column select circuit having N latches to receive a power down digital control signal transmitted from a microcontroller wherein the power down digital control signal is used to disable at least one column readout circuit to enable and select a portion of the set of N parallel column readout circuits.

    IMAGE SENSOR APPARATUS AND METHOD CAPABLE OF RAPIDLY READING OUT AND PROCESSING PIXEL VOLTAGES OF PIXEL ARRAY
    10.
    发明申请
    IMAGE SENSOR APPARATUS AND METHOD CAPABLE OF RAPIDLY READING OUT AND PROCESSING PIXEL VOLTAGES OF PIXEL ARRAY 有权

    公开(公告)号：US20210112215A1

    公开(公告)日：2021-04-15

    申请号：US16601541

    申请日：2019-10-14

    Applicant: PixArt Imaging Inc.

    Inventor： Chia-Chi Kuo ,  Jui-Te Chiu ,  Han-Chi Liu ,  Wei-Chia Huang ,  Yi-Cheng Chiu ,  Kuan Tang

    IPC: H04N5/376 ,  H04N5/3745 ,  H04N5/372

    Abstract: A method of image sensor apparatus includes: providing pixel array having pixel units arranged in M rows and N columns; providing N parallel column readout circuits each being arranged for reading out pixel data of one corresponding column; disposing a horizontal shift register in row direction coupled to the N parallel column readout circuits, to receive a pulse signal and a clock signal, sequentially shift a phase of the pulse signal according to the clock signal, and scan a corresponding column according to the shifted phase of the pulse signal; and using a column select circuit having N latches to receive a power down digital control signal transmitted from a microcontroller wherein the power down digital control signal is used to disable at least one column readout circuit to enable and select a portion of the set of N parallel column readout circuits.

Patent Agency Ranking