Patents Assigned to WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.
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Publication number: 20250089392Abstract: Am array-type image detection device including two rows of imaging arrays arranged at intervals along a first direction, each row of the imaging array includes a plurality of imaging modules arranged at intervals along a second direction, each imaging module includes a magnifying lens and an imaging chip arranged in sequence along its optical axis; the image to be detected in a detection area of each imaging module is imaged in an imaging area of each imaging module in a magnified way by each imaging module and is acquired by the imaging chip in the imaging area of each imaging module; and except for the detection areas at the front and back sides in the second direction, each detection area has overlapping portions with other detection areas at two ends along the second direction.Type: ApplicationFiled: November 20, 2024Publication date: March 13, 2025Applicant: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.Inventors: Tao QU, Wuchang QI, Zhenxiang LIU
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Patent number: 12172295Abstract: A tactile sensor, including: a contact part (1), configured to receive pressure transmitted when a manipulator grabs a target object, and transmit the pressure to a sensing part (2); the sensing part (2), located on one side of the contact part, the sensing part (2) moving in a direction away from the contact part (1) under an action of the pressure; and a detection part (4), located on a side of the sensing part (2) away from the contact part (1), the detection part (4) sensing a position change of the sensing part (2) to generate a sensing signal, wherein the sensing signal is configured to determine a contact parameter between the manipulator and the target object.Type: GrantFiled: May 31, 2021Date of Patent: December 24, 2024Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.Inventors: Wuchang Qi, Masahiro Yokomichi
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Patent number: 12166937Abstract: A contact image sensor includes a preset scanning plane used for the surface to be scanned to map to the original copy. The contact image sensor includes: a timing circuit: for self-generating light source control signal LRDT and line scan control signal TRIG1; a lens: for collecting reflected light emitted by a light source reflected by the original copy and emitting the reflected light onto a photoelectric conversion chip for converting received optical signals into electrical signals; and a data processing unit: emitting trigger pulse TRIG according to the encoder transmitting the object to be detected, receiving and processing electrical signals output by the photoelectric conversion chip that has the same size of the photoelectric signal output, ensuring the output stability, dynamic range and sensitivity of the image sensor.Type: GrantFiled: July 27, 2021Date of Patent: December 10, 2024Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.Inventors: Li Jiang, Xiaowei Han, Yonghui Lin, Pengfei Dai
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Patent number: 11946739Abstract: 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: GrantFiled: May 11, 2020Date of Patent: April 2, 2024Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.Inventors: Yonghui Lin, Kai Zhang, Xiaofeng Sun, Rongxin Song, Tao Qu
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Patent number: 11741772Abstract: 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: GrantFiled: April 29, 2019Date of Patent: August 29, 2023Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.Inventors: Wuchang Qi, Xiaofeng Sun, Kai Zhang, Li Jiang
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Patent number: 11741591Abstract: 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: GrantFiled: May 17, 2019Date of Patent: August 29, 2023Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.Inventors: Li Jiang, Rongxin Song, Xiumei Qi, Jie Xian
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Patent number: 11190665Abstract: 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: GrantFiled: September 4, 2018Date of Patent: November 30, 2021Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTDInventors: Wuchang Qi, Juan Deng, Junwei Ma, Kai Wang
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Patent number: 10911629Abstract: 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: GrantFiled: February 10, 2017Date of Patent: February 2, 2021Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.Inventors: Wenbo Zhang, Huyan Wang
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Patent number: 10690733Abstract: 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: GrantFiled: December 23, 2016Date of Patent: June 23, 2020Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.Inventors: Wuchang Qi, Mingfeng Sun
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Patent number: 9990569Abstract: 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: GrantFiled: October 29, 2013Date of Patent: June 5, 2018Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.Inventors: Wenbo Zhang, Zhanyue Ju, Yonghui Lin
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Patent number: 9846984Abstract: 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: GrantFiled: November 6, 2013Date of Patent: December 19, 2017Assignee: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.Inventor: Zhenxiang Liu
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Publication number: 20150317857Abstract: 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: ApplicationFiled: November 6, 2013Publication date: November 5, 2015Applicant: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.Inventor: Zhenxiang LIU
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Patent number: 8599448Abstract: 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: GrantFiled: December 4, 2009Date of Patent: December 3, 2013Assignee: Weihai Hualing Opto-Electronics Co., Ltd.Inventor: Wuchang Qi
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Publication number: 20120002250Abstract: 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: ApplicationFiled: December 4, 2009Publication date: January 5, 2012Applicant: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.Inventor: Wuchang Qi