Patents Assigned to Pixart Imaging, Inc.
  • Publication number: 20250148236
    Abstract: An optical decoding device, comprising: an image sensor, configured to sense first sensing images and second sensing images; a processing circuit, configured to determine a relative movement between the optical decoding device and an object according to the first sensing images; and a decoding device, configured to decode the second sensing images in a first mode to generate a decoding result and does not decode the second sensing images in a second mode. The decoding device switches between the first mode and the second mode according to the relative movement, thus can save power. A barcode, a color code which can be provided on a curved surface and an invisible code are also disclosed. An electrical cigarette lighter using the optical decoding device to provide heat is also disclosed.
    Type: Application
    Filed: September 4, 2024
    Publication date: May 8, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Shu-Sian Yang, Tsung-Hsueh Lee, Tzu-Yu Chen
  • Publication number: 20250143644
    Abstract: A smart ring with a physiological feature detecting method is applied to a target object. The smart ring includes a pressure sensor and an operation processor. The pressure sensor is adapted to detect a pressure value of the target object applied for the smart ring. The operation processor is electrically connected with the pressure sensor, and adapted to compare the pressure value with a preset condition and determine a behavior of the target object according to a comparison result of the pressure value and the preset condition for generating a related operation command.
    Type: Application
    Filed: January 10, 2025
    Publication date: May 8, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Yung-Chang Lin, Jian-Cheng Liao, Chun-Chih Chen
  • Patent number: 12293520
    Abstract: A portrait image processing method, applying to a portrait image processing device, comprising: (a) acquiring a BVP (Blood Volume Pulse) signal of a user; (b) acquiring blood flow distribution of a specific portion of a user; (c) capturing an image of a specific portion of the user; and (d) adjusting the image of the specific portion according to the BVP signal and the blood flow distribution. A portrait image processing device, which comprises a camera and a processing circuit, is also disclosed. The processing circuit can acquire BVP signals from an image captured by the camera or from a PPG sensor.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: May 6, 2025
    Assignee: PixArt Imaging Inc.
    Inventor: Yuan-Hsin Liao
  • Patent number: 12293031
    Abstract: An image sensing system control method, applied to an image sensing system comprising an image sensor and a control circuit. The method comprises: (a) defining a first reporting frame sensed at a first reporting frame time and a second reporting frame sensed at a second reporting frame time, wherein the image sensor reports motions computed according to the first reporting frame after the first reporting frame time, and reports motions computed according to the second reporting frame after the second reporting frame time; and (b) adjusting a first reporting time interval between the first reporting frame time and the second reporting frame time, to adjust the second reporting frame time to meet a second target time. The second reporting frame time is after the first reporting frame time.
    Type: Grant
    Filed: September 22, 2023
    Date of Patent: May 6, 2025
    Assignee: PixArt Imaging Inc.
    Inventors: Zi Hao Tan, Kevin Len-Li Lim
  • Publication number: 20250141439
    Abstract: A method of a signal transmission device includes: providing at least one delay line circuit having a plurality of first delay units connected in series; providing a control voltage as a supply voltage provided for a first delay unit of the at least one delay line circuit; and adjusting the control voltage to maintain a delay amount of the first delay unit at a specific delay amount when a variation of the delay amount of the first delay unit occurs.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 1, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Yueh-Lin Chung, Tso-Sheng Tsai
  • Publication number: 20250138488
    Abstract: A stemless operation mechanism includes a case, a first moving component, a second moving component and a detection module. The case includes a first accommodating area, a second accommodating area and a partition portion used to provide an airtight isolating function. The first moving component is movably disposed on the first accommodating area and includes a first magnetic unit. The second moving component is movably disposed on the second accommodating area and includes a second magnetic unit located on position corresponding to position of the first magnetic unit. The second magnetic unit is cooperated with the first magnetic unit to generate a magnetic attraction force or a magnetic repulsion force. The detection module is disposed adjacent to the second moving component, and adapted to detect a movement of the second moving component for determining an operation behavior applied for the first moving component.
    Type: Application
    Filed: October 14, 2024
    Publication date: May 1, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Sen-Huang Huang, Ming Shun Manson Fei, Cong-Jun XIA, Gui-Ping SU
  • Publication number: 20250131687
    Abstract: An optical detection device of detecting whether a target object has different surface treatment features includes an image sensor and an operation processor. The image sensor is adapted to acquire a detection image containing the target object. The operation processor is electrically connected to the image sensor, and adapted to compute variation of an image shading parameter of the detection image so as to determine whether a boundary of the surface treatment features are detected by the image sensor in accordance with the variation of the image shading parameter.
    Type: Application
    Filed: October 24, 2023
    Publication date: April 24, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Chung-Ting Yang, Kai-Ho Tsai
  • Publication number: 20250132529
    Abstract: A method of identifying a false alarm of an optical motion sensor including a plurality of pixel units, includes: receiving pixel values of a testing set of pixel units selected from the plurality of pixel units, and a number of pixels of the testing set is smaller than a number of the plurality of pixel units; and performing a background adjustment operation according to the pixel values of the testing set of pixel units.
    Type: Application
    Filed: January 5, 2025
    Publication date: April 24, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Joon Chok LEE, Kevin Len-Li Lim
  • Patent number: 12282093
    Abstract: An object position determining system, applied to a vehicle, comprising: at least one light source, configured to emit light; at least one optical sensor, configured to sense optical data generated based on reflected light of the light; and a processing circuit, configured to compute distance information between the optical sensor and at least one object which generates the reflected light, and real time vehicle orientation data; wherein the processing circuit determines at least one position of the object according to the distance information and the real time vehicle orientation data.
    Type: Grant
    Filed: October 5, 2022
    Date of Patent: April 22, 2025
    Assignee: PixArt Imaging Inc.
    Inventors: Ming Shun Manson Fei, Sen-Huang Huang
  • Publication number: 20250120555
    Abstract: A material determining device comprising a first image sensor, a second image sensor, and a light source is provided. The material determining method comprises: (a) sensing a first image by the first image sensor according to light from the light source; (b) sensing a second image by the second image sensor according to the light; and (c) determining whether material corresponding to material images in the first image and the second image is first type of material or second type of material, according to locations of the material images in the first image and the second image and according to shapes of the material images in the first image and the second image. By this way an electronic device using the material determining device can properly operate according to the type of material.
    Type: Application
    Filed: December 18, 2024
    Publication date: April 17, 2025
    Applicant: PixArt Imaging Inc.
    Inventor: Guo-Zhen Wang
  • Publication number: 20250113907
    Abstract: A smart cosmetic device includes a main body, an optical detection module and a cosmetic applicator. The optical detection module is disposed within the main body and adapted to detect a predefined feature of a target object. The cosmetic applicator is disposed within the main body and has an accommodated chamber where inside cosmetic material is disposed. The cosmetic applicator is adapted to spray the cosmetic material to a specific area of the target object in accordance with the predefined feature.
    Type: Application
    Filed: September 25, 2024
    Publication date: April 10, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Ming Shun Manson Fei, Sen-Huang Huang, Ting-Yang Chang
  • Patent number: 12269405
    Abstract: A multiple detection system is applied to a vehicle and includes a contact-type detection module adapted to generate a contact-type detection datum, a contactless-type detection module adapted to generate a contactless-type detection datum, and an operation processor electrically connected with the contact-type detection module and the contactless-type detection module in a wire manner or in a wireless manner. The operation processor sets at least one of the contact-type detection datum and the contactless-type detection datum according to an environmental status of the vehicle to be a main detection result of the multiple detection system, and further sets the other detection datum to be an auxiliary detection result of the multiple detection system, for acquiring a passenger feature inside the vehicle.
    Type: Grant
    Filed: November 26, 2020
    Date of Patent: April 8, 2025
    Assignee: PixArt Imaging Inc.
    Inventors: Han-Lin Chiang, Shih-Feng Chen, Yen-Min Chang, Ning Shyu, Chih-Wei Huang
  • Publication number: 20250111524
    Abstract: Disclosed in a movement direction determination system comprising a first detection region, a second detection region and a processing circuit. The first detection region and the second detection region respectively comprises an optical sensor. The processing circuit determines a movement direction of an object according to the optical data generated by the first detection region and the second detection region. The present invention also discloses a movement direction determination system using a single detection region. The present invention also discloses an object volume computation system which can compute an object volume according to sensed optical data.
    Type: Application
    Filed: December 12, 2024
    Publication date: April 3, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Jeng-Yue Weng, Tzung-Min Su, Feng-Chi Liu
  • Publication number: 20250103153
    Abstract: An image sensing system control method, applied to an image sensing system comprising an image sensor and a control circuit. The method comprises: (a) defining a first reporting frame sensed at a first reporting frame time and a second reporting frame sensed at a second reporting frame time, wherein the image sensor reports motions computed according to the first reporting frame after the first reporting frame time, and reports motions computed according to the second reporting frame after the second reporting frame time; and (b) adjusting a first reporting time interval between the first reporting frame time and the second reporting frame time, to adjust the second reporting frame time to meet a second target time. The second reporting frame time is after the first reporting frame time.
    Type: Application
    Filed: September 22, 2023
    Publication date: March 27, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Zi Hao TAN, Kevin Len-Li LIM
  • Publication number: 20250103154
    Abstract: An image sensing system control method, comprising: (a) defining a first reporting frame sensed at a first reporting frame time, and a second reporting frame sensed at a second reporting; (b) acquiring a first motion of the image sensing system for a first latency time interval between a first polling time and the first reporting frame time; (c) computing a second motion of the image sensing system for a first calibration time interval by the image sensor, wherein the first calibration time interval comprises a first frame time interval between the first, the second reporting frame times, and comprises a first expected latency time interval after the second reporting frame time; and (d) outputting a first output motion to the control circuit by the image sensor, thereby a difference between the first output motion and a physical movement of the image sensing system is smaller than a predetermined value.
    Type: Application
    Filed: May 9, 2024
    Publication date: March 27, 2025
    Applicant: PixArt Imaging Inc.
    Inventor: Zi Hao TAN
  • Publication number: 20250098364
    Abstract: An optical detection device with enhanced electrostatic discharge immunity includes a circuit board, a lens component and a case. The circuit board has a plurality of electrodes. The lens component is disposed on the circuit board. The case includes an accommodating chamber and an opening structure. The accommodating chamber is adapted to accommodate the circuit board and the lens component. The opening structure is communicated with the accommodating chamber. The case further includes a rugged structure disposed around the opening structure and adapted to engage with the lens component for extending an electrostatic discharge path from the opening structure to a nearest electrode of the plurality of electrodes.
    Type: Application
    Filed: September 14, 2023
    Publication date: March 20, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Wan Piang Lim, Sai Mun Lee
  • Publication number: 20250091633
    Abstract: A pressure sensing device, comprising: a frame work; a capacitive pressure sensor layer, surrounding the frame work; a capacitive touch sensor layer; and a flexible material layer, located between the pressure sensor layer and the touch sensor layer and surrounding the capacitive pressure sensor layer. The capacitive touch sensor layer is above the flexible material layer when the capacitive pressure sensor layer is below the flexible material layer. The capacitive touch sensor layer has a first driving electrode and a first sensing electrode. The capacitive pressure sensor layer has a second driving electrode and a second sensing electrode. A 3D gesture control system and a vehicle control system applying the pressure sensing device are also disclosed. Via the pressure sensing device, the 3D gesture control system and the vehicle control system can generate control commands according to a touch or a pressure provided by a user.
    Type: Application
    Filed: December 6, 2024
    Publication date: March 20, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Chin-Hua Hu, Yu-Han Chen, Yu-Sheng Lin
  • Patent number: 12251722
    Abstract: A sprayer includes: a container; a passage including a transparent window, a first opening, a second opening and a resonator, wherein when liquid in the container is passed through the resonator via the first opening, the liquid is emitted as a gas via the second opening; and a removable detection unit disposed outside of the passage. The removable detection unit includes: a light source for illuminating the gas in the passage; an optical sensor disposed to detect a parameter of light reflected by the gas; and a processor coupled to the optical sensor for stopping the resonator from generating the gas when the parameter is below a threshold. The passage further includes a cavity disposed on a bottom surface of the passage in front of the optical sensor, wherein when the gas in the passage contacts the bottom surface, resultant water vapour will enter the cavity.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: March 18, 2025
    Assignee: PixArt Imaging Inc.
    Inventors: Chih-Hao Wang, Yang-Ming Chou, Chien-Yi Kao, Shih-Jen Lu, Chih-Ming Sun, Hsin-Yi Lin
  • Publication number: 20250072145
    Abstract: An optical sensing system comprising a first optical sensor. The first optical sensor comprises: a first pixel array; and a first light gating layer, configured to receive first input light and to provide first receiving light to the first pixel array, to make the first optical sensor has at least two different light sensitivities.
    Type: Application
    Filed: August 24, 2023
    Publication date: February 27, 2025
    Applicant: PixArt Imaging Inc.
    Inventor: Chia-Yu Liu
  • Patent number: 12237039
    Abstract: An electronic device comprising: a clock pin; at least one data pin; a storage device, configured to store at least one program; a processing circuit, coupled to the data pin. A device ID setting method is performed when the processing circuit executes the program stored in the storage device. The device ID setting method comprises; (a) recording connections between pins of a first electronic device and pins of the electronic device by the electronic device, wherein the first electronic device comprises at least one data pin; and (b) applying the connections between the pins of the first electronic device and the pins of the electronic device as a device ID of the first electronic device by the electronic device.
    Type: Grant
    Filed: January 15, 2024
    Date of Patent: February 25, 2025
    Assignee: PixArt Imaging Inc.
    Inventors: En-Feng Hsu, Shiaw-Yu Jou, Tien-Chung Yang