Patents Assigned to WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.
  • Patent number: 11946739
    Abstract: Disclosed are a thickness detection device, method and system, a storage medium and a processor. The thickness detection device includes: a detection unit, including a plurality of thickness detection chips, wherein the thickness detection chips are sequentially arranged at least in a second direction; and a common unit, arranged opposite and spaced from the detection unit in a first direction, wherein distances between at least two positions of a first surface of the common unit and the detection unit are different, the second direction is perpendicular to the first direction and a moving direction of an object to be detected, and the first surface is a surface of the common unit which is close to the measurement unit.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: April 2, 2024
    Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.
    Inventors: Yonghui Lin, Kai Zhang, Xiaofeng Sun, Rongxin Song, Tao Qu
  • Patent number: 11741591
    Abstract: Provided are a method and an apparatus for detecting a thickness of paper, and a storage medium. The method includes: acquiring a first thickness image of a target paper; extracting at least one first thickness feature and at least one second thickness feature from the first thickness image in the first thickness image; performing average processing on gray values of multiple pixel points in the at least one first thickness feature to acquire a first gray value, and the average processing is performed on gray values of the multiple pixel points in the at least one second thickness feature to acquire a second gray value; when the first gray value is smaller than the second gray value of multiple pixel points in at least one second thickness feature, determining that a thickness of a region, corresponding to the at least one second thickness feature, on the target paper has changed.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: August 29, 2023
    Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.
    Inventors: Li Jiang, Rongxin Song, Xiumei Qi, Jie Xian
  • Patent number: 11741772
    Abstract: Provided are a detection method, a detection apparatus and a detection process. The detection method includes: using a sensor for idle scanning to obtain a first output electrical signal, and performing feedback correction on the first output electrical signal to eliminate a noise to obtain first correction data; using the sensor to scan a correction specimen page to obtain a second output electrical signal, and performing the feedback correction on the second output electrical signal to eliminate a noise to obtain second correction data; calculating according to the first correction data, the second correction data and an electrical signal predetermined value to obtain third correction data; using the sensor to scan a to-be-detected object to obtain a third output electrical signal; and correcting the third output electrical signal according to the first correction data and the third correction data. In the detection method obtains an accurate detection result.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: August 29, 2023
    Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.
    Inventors: Wuchang Qi, Xiaofeng Sun, Kai Zhang, Li Jiang
  • Patent number: 11190665
    Abstract: An image scanning apparatus, and a method and an apparatus for controlling receiving of an image scanning optical signal are provided. The mage scanning apparatus may include an array photosensitive pixel unit configured to receive at least one optical signal, and a control circuit connected with the array photosensitive pixel unit and configured to control the array photosensitive pixel unit to receive the at least one optical signal. With the adoption of the image scanning apparatus, and the method and the apparatus for controlling receiving of the image scanning optical signal, the problem in the related art that an image is easily interfered by external stray lights within a non-exposure time of a scanning period and accordingly quality of a scanned image is reduced may be solved.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: November 30, 2021
    Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD
    Inventors: Wuchang Qi, Juan Deng, Junwei Ma, Kai Wang
  • Patent number: 10911629
    Abstract: Some embodiments of the present disclosure provide a Contact Image Sensor (CIS), including a light source, a lens, a light-sensing portion receiving light converged by the lens, a sensor substrate carrying photosensitive Integrated Circuits (IC) arranged linearly, a frame accommodating the lens and the sensor substrate, and a light-transmitting plate provided on an upper part of the frame and configured to carry an original pattern. The CIS further includes a linear magnifying lens, provided between the light-transmitting plate and the lens, the linear magnifying lens having a characteristic of linearly magnifying an object in a single direction. The CIS involved in some embodiments of the present disclosure is capable of enhancing resolution in a single direction.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: February 2, 2021
    Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.
    Inventors: Wenbo Zhang, Huyan Wang
  • Patent number: 10690733
    Abstract: A magnetic image sensor is provided. The magnetic image sensor includes: a magnetic resistance (1), arranged along a scanning direction and configured to detect a changed magnetic signal in a range to be detected; a configuration resistance (2), connected with the magnetic resistance (1), wherein a resistance value of the configuration resistance (2) is adjustable; and a driving circuit (3), connected with the magnetic resistance (1) and configured to perform output control on the changed magnetic signal detected by the magnetic resistance (1) The problem of relatively stronger noise signal caused by a magnetic resistance deviation of a magnetic image sensor is solved.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: June 23, 2020
    Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.
    Inventors: Wuchang Qi, Mingfeng Sun
  • Patent number: 9990569
    Abstract: The disclosure discloses an image scanning device and a control method thereof, wherein the image scanning device includes: a bearing member, configured to receive a paper bill; a light source; a lens; a first converter, arranged on the emergent side of the lens and configured to convert light signals from the lens into electric signals; a controller, connected with the light source and the first converter, and configured to control the light emitting time of the light source, acquire the electric signals during the light emitting process of the light source, and acquire the electric signals again after the light source stops emitting light for a preset period of time. Through the disclosure, the problem of low accuracy of paper bill scanning in the prior technologies is solved, and the effect of increasing the accuracy of paper bill identification is achieved.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: June 5, 2018
    Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.
    Inventors: Wenbo Zhang, Zhanyue Ju, Yonghui Lin
  • Patent number: 9846984
    Abstract: The disclosure provides a device for recognizing an image and a device for reading an image. The device for recognizing the image includes a circuit board (50) on which a plurality of light sources (20) are arranged, the multiple light sources (20) which are configured to supply multiple lights in different directions to the image to be recognized, and an imaging component configured to uniformly image the lights diffused by the image to be recognized so as to recognize the image to be recognized. The disclosure solves the problem that the device for recognizing the image in the relevant technology may only supply one single light emitting direction, and the device for recognizing the image has a beneficial effect of recognizing a hologram including various pieces of image information.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: December 19, 2017
    Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.
    Inventor: Zhenxiang Liu
  • Publication number: 20150317857
    Abstract: The disclosure provides a device for recognizing an image and a device for reading an image. The device for recognizing the image includes a circuit board (50) on which a plurality of light sources (20) are arranged, the multiple light sources (20) which are configured to supply multiple lights in different directions to the image to be recognized, and an imaging component configured to uniformly image the lights diffused by the image to be recognized so as to recognize the image to be recognized. The disclosure solves the problem that the device for recognizing the image in the relevant technology may only supply one single light emitting direction, and the device for recognizing the image has a beneficial effect of recognizing a hologram including various pieces of image information.
    Type: Application
    Filed: November 6, 2013
    Publication date: November 5, 2015
    Applicant: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.
    Inventor: Zhenxiang LIU
  • Patent number: 8599448
    Abstract: The present invention discloses an image sensor, specifically a full spectrum recognition image sensor capable of reading and recognition image information for all of ultraviolet light, visible light and infrared light, which comprises a sensor substrate, photosensitive parts set on the sensor substrate and arranged in a straight line, a lens set on an upper portion of the sensor substrate, a light source set beside the lens, and a framework capable of accommodating said sensor substrate, said lens and said light source.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: December 3, 2013
    Assignee: Weihai Hualing Opto-Electronics Co., Ltd.
    Inventor: Wuchang Qi
  • Publication number: 20120002250
    Abstract: The present invention discloses an image sensor, specifically a full spectrum recognition image sensor capable of reading and recognition image information for all of ultraviolet light, visible light and infrared light, which comprises a sensor substrate, photosensitive parts set on the sensor substrate and arranged in a straight line, a lens set on an upper portion of the sensor substrate, a light source set beside the lens, and a framework capable of accommodating said sensor substrate, said lens and said light source.
    Type: Application
    Filed: December 4, 2009
    Publication date: January 5, 2012
    Applicant: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.
    Inventor: Wuchang Qi