公开(公告)号：US20170300131A1

公开(公告)日：2017-10-19

申请号：US15641852

申请日：2017-07-05

Applicant: PixArt Imaging Incorporation, R.O.C.

Inventor： Chia-Cheun Liang ,  Yi-Hsien Ko

IPC: G06F3/038 ,  G06F3/0354 ,  G06F3/03 ,  G06F3/033 ,  G06F3/048

CPC classification number: G06F3/038 ,  G06F3/0317 ,  G06F3/033 ,  G06F3/0354 ,  G06F3/03543 ,  G06F3/048

Abstract: The present invention discloses a method and apparatus for controlling an object movement on a screen. The method senses a first change in a position of a pointing device in a coordinate system to obtain a first displacement, and controls the object movement by a first displacement output ratio according to the first displacement. The method senses a second change in a position of the pointing device in a coordinate system to obtain a second displacement, and controls the object movement by a second displacement output ratio when a difference between a direction of the first displacement and a direction of the second displacement exceeds a first angle threshold, wherein the second displacement output ratio is lower than the first displacement output ratio.

公开(公告)号：US20170133290A1

公开(公告)日：2017-05-11

申请号：US15203068

申请日：2016-07-06

Applicant: PixArt Imaging Incorporation

Inventor： Kuo-Hsiung Li ,  Chi-Chih Shen ,  Jui-Cheng Chuang ,  Jen-Yu Chen

IPC: H01L23/16 ,  H01L23/055

CPC classification number: H01L23/16 ,  H01L23/04 ,  H01L23/055 ,  H01L23/10

Abstract: The invention provides a package structure which includes a substrate, at least one chip module, and a housing. The at least one chip module is located on the substrate. The housing includes an upper cover, a surrounding wall, and at least one adhesion enhancement structure. The surrounding wall is connected to the upper cover and encompasses the at least one chip module. The surrounding wall and the adhesion enhancement structure are bonded to the substrate by an adhesive. The adhesion enhancement structure includes an encircled hole or a semi-encircled hole.

公开(公告)号：US20250155555A1

公开(公告)日：2025-05-15

申请号：US19023541

申请日：2025-01-16

Applicant: PixArt Imaging Incorporation

Inventor： Nientse Chen

IPC: G01S7/481 ,  G01S17/04

Abstract: A proximity sensor includes: a transmitter unit for transmitting a light signal; a receiver unit for receiving the light signal reflected by an object to determine a proximity status of the object; and a housing defining a first enclosed accommodation space for accommodating the receiver unit, wherein the portion of the housing which defines the first enclosed accommodation space has a sealed light passage made of a light-transmissible material such that the receiver unit is capable of receiving the light signal reflected by the object through the light passage. The housing can further include a second enclosed accommodation space for accommodating the transmitter unit.

公开(公告)号：US12224765B1

公开(公告)日：2025-02-11

申请号：US18194172

申请日：2023-03-31

Applicant: PixArt Imaging Incorporation

Inventor： Boon-Eu Seow ,  Kei-Tee Tiew

IPC: H03M1/18 ,  H03M1/38 ,  H03M1/00 ,  H03M1/12

Abstract: An SAR ADC includes: at least one sub-ADC, configured to convert a corresponding input signal to a corresponding SAR code; and a tuning control unit, configured to adjust a full-scale voltage (VFS) of each of the sub-ADC to a corresponding predetermined target level in a VFS tuning mode. The tuning control unit generates a tuning code to control an adjusting capacitor array coupled to the sub-ADC for tuning the VFS. The tuning control unit controls the sub-ADC to convert plural reference voltages in the VFS tuning mode and extrapolating the conversion result to determine a corresponding calibrating VFS. The tuning control unit determines whether the calibrating VFS meeting the target VFS and loops the adjusting process in a linear search method or in a SAR method.

公开(公告)号：US20240176375A1

公开(公告)日：2024-05-30

申请号：US18059396

申请日：2022-11-28

Applicant: PixArt Imaging Incorporation

Inventor： Kok-Siang Tan

IPC: G05F1/563 ,  G05F1/575

CPC classification number: G05F1/563 ,  G05F1/575 ,  G05F1/59

Abstract: A multi-output linear regulator includes: a main output stage circuit, configured to operably generate a reference output voltage according to a main control voltage; an error amplifier, configured to operably amplify a difference between a reference voltage and a feedback signal to generate the main control voltage, wherein the feedback signal is related to the reference output voltage; a first voltage converter, configured to operably level-shift the main control voltage with a first voltage shifting level to generate a first control voltage; a first output stage circuit, configured to operably generate a first output voltage according to the first control voltage; and a second output stage circuit, configured to operably generate a second output voltage according to the main control voltage.

公开(公告)号：US20240118141A1

公开(公告)日：2024-04-11

申请号：US18391769

申请日：2023-12-21

Applicant: PixArt Imaging Incorporation

Inventor： Chih-Ming Sun ,  Ming-Han Tsai

IPC: G01J5/02 ,  A61B5/00 ,  A61B5/01 ,  B81B7/00 ,  B81B7/02 ,  G01J5/00 ,  G01J5/04 ,  G01J5/14 ,  G01K13/20 ,  H04N23/56

CPC classification number: G01J5/0265 ,  A61B5/01 ,  A61B5/681 ,  B81B7/0025 ,  B81B7/0061 ,  B81B7/02 ,  G01J5/0025 ,  G01J5/027 ,  G01J5/04 ,  G01J5/046 ,  G01J5/14 ,  G01K13/20 ,  H04N23/56 ,  A61B5/02416 ,  B81B2201/0214 ,  B81B2201/0235 ,  B81B2201/0242 ,  B81B2201/0278 ,  H01L2224/48091 ,  H01L2924/16151 ,  H01L2924/16153 ,  H01L2924/16235

Abstract: The present invention discloses a wearable device with combined sensing capabilities, which includes a wearable assembly and at least one multi-function sensor module. The wearable assembly is suitable to be worn on apart of a user's body. The wearable assembly includes at least one light-transmissible window. The multi-function sensor module is located inside the wearable assembly, for performing an image sensing function and an infrared temperature sensing function. The multi-function sensor module includes an image sensor module for sensing a physical or a biological feature of an object through the light-transmissible window by way of image sensing; and an infrared temperature sensor module for sensing temperature through the light-transmissible window by way of infrared temperature sensing.

公开(公告)号：US11822365B2

公开(公告)日：2023-11-21

申请号：US17994253

申请日：2022-11-25

Applicant: PixArt Imaging Incorporation

Inventor： Chuan-Hsin Lee

IPC: H04N5/235 ,  G06F3/03 ,  G06V10/60

CPC classification number: G06F3/0304 ,  G06V10/60

Abstract: The invention provides an ambient light sensing device which receives at least one visible light image sensed by an image sensor. The ambient light sensing device includes an image sampling unit and an analyzing unit. The image sampling unit divides the visible light image into plural image blocks, extracts at least one sample data in each image block, and generates a comparison data according to a difference between the sample data extracted at different time points. The analyzing unit analyzes the comparison data and generates an output analysis signal accordingly.

公开(公告)号：US11692870B2

公开(公告)日：2023-07-04

申请号：US17209635

申请日：2021-03-23

Applicant: PixArt Imaging Incorporation

Inventor： Hui-Hsuan Chen ,  Nien-Tse Chen

IPC: G01S7/481 ,  G01J1/02 ,  G01J1/04 ,  G02B27/14 ,  G01S7/499 ,  G01S17/04

CPC classification number: G01J1/0204 ,  G01J1/0233 ,  G01J1/0414 ,  G01J1/0466 ,  G01J1/0488 ,  G01S7/4811 ,  G01S7/4813 ,  G01S7/499 ,  G01S17/04 ,  G02B27/144 ,  Y10T29/49016

Abstract: A proximity sensing device includes: a light source, a sensing unit, a light guide unit, and a window. The light source emits light, which is guided by the light guide unit to the window. The emitted light reflected by an object is received by the same window. The light guide unit includes a partial-transmissive-partial-reflective (PTPR) optical element, whereby the light emitted from the light source is reflected by the PTPR optical element, while the light reflected by the object passes through the PTPR optical element. There is only one window required.

公开(公告)号：US20230168704A1

公开(公告)日：2023-06-01

申请号：US17538941

申请日：2021-11-30

Applicant: PixArt Imaging Incorporation

Inventor： Chuang-Shen Voo

IPC: G05F1/575 ,  G05F3/26

CPC classification number: G05F1/575 ,  G05F3/262

Abstract: A switch circuit includes: a switch coupled to control an electrical parameter of a main circuit. A. PSRR of the main circuit is determined by the switch; a first driver configured to operably drive the switch, wherein the first driver is powered by a supply current; and a supply transistor configured to operably generate the supply current, wherein the supply transistor is biased in a subthreshold region, such that the PSRR of the main circuit is higher than a predetermined level within a predetermined frequency range.

公开(公告)号：US20230092243A1

公开(公告)日：2023-03-23

申请号：US17994253

申请日：2022-11-25

Applicant: PixArt Imaging Incorporation

Inventor： Chuan-Hsin Lee

IPC: G06F3/03 ,  G06V10/60

Abstract: The invention provides an ambient light sensing device which receives at least one visible light image sensed by an image sensor. The ambient light sensing device includes an image sampling unit and an analyzing unit. The image sampling unit divides the visible light image into plural image blocks, extracts at least one sample data in each image block, and generates a comparison data according to a difference between the sample data extracted at different time points. The analyzing unit analyzes the comparison data and generates an output analysis signal accordingly.