Patents by Inventor Ching-Lin Chung
Ching-Lin Chung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250076023Abstract: An encoder with a light emitting diode includes: a light emitting diode, a switch module, an encoder module and a control shaft. The switch module includes an insulating base having a terminal part, a conductive elastic piece and a pressing driving body. The conductive elastic piece is disposed in the insulating base, and is disposed above the terminal part. The pressing driving body is disposed in the insulating base and is disposed above the conductive elastic piece for accommodating the light emitting diode. At least part of the encoder module is disposed in the insulating base, and the encoder module includes a magnetic sensor, a magnetic ring and a rotating driving body. The control shaft passes through a penetration hole of the rotating driving body, and is disposed above the pressing driving body.Type: ApplicationFiled: July 2, 2024Publication date: March 6, 2025Inventors: Ching-Hao CHUNG, Chun-Lin HUANG, Hsiu-Chen LI
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Patent number: 11860006Abstract: An optical detection system includes a marker product and an optical encoding device. The marker product includes a substrate and at least one structural portion. The structural portion has a first surface, a second surface and a dividing axis. The first surface and the second surface are arranged on opposite sides of the dividing axis. A sidelong direction aligning the first surface with the second surface is parallel to a moving direction between the optical encoding device and the marker product. The optical encoding device is disposed adjacent by the marker product. The optical encoding device includes an optical projector and an optical encoder. The optical projector is configured to project the optical detecting signal onto the marker product. The optical encoder is configured to receive an optical reflecting signal from the marker product and encode intensity variation of the optical reflecting signal into digital data.Type: GrantFiled: October 6, 2022Date of Patent: January 2, 2024Assignee: PixArt Imaging Inc.Inventor: Ching-Lin Chung
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Patent number: 11609643Abstract: An optical processing apparatus and a light source luminance adjustment method adapted to detect a rotational displacement and a pressing state are provided. The optical processing apparatus includes a light source unit, a processing unit, and an image sensing unit, wherein the processing unit is electrically connected to the light source unit and the image sensing unit. The light source unit provides a beam of light. The processing unit defines a frame rate, defines a plurality of time instants within a time interval, and sets the light source unit to a luminance value at each of the time instants. A length of the time interval is shorter than the reciprocal of the frame rate. The luminance values are different and are within a range. The image sensing unit captures an image by an exposure time length at each of the time instants, wherein the exposure time lengths are the same.Type: GrantFiled: October 15, 2021Date of Patent: March 21, 2023Assignee: PIXART IMAGING INC.Inventors: Chung-Ting Yang, Ching-Lin Chung
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Patent number: 11609642Abstract: A method of an optical sensor apparatus which is to be used with a controlling device arranged for controlling an object having a long shape and flexible form of a material, includes: using a light emitting circuit to generate and output a light ray to a surface of a portion of the object; sensing the light ray reflected from the surface for multiple times to generate multiple images; detecting at least one motion image in the generated multiple images; and, determining a motion, an offset, or a rotation angle of the object, which is controlled by the thread controlling device, according to the detected at least one motion image.Type: GrantFiled: July 12, 2022Date of Patent: March 21, 2023Assignee: PixArt Imaging Inc.Inventors: Feng-Chi Liu, Ching-Lin Chung
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Publication number: 20230023912Abstract: An optical detection system includes a marker product and an optical encoding device. The marker product includes a substrate and at least one structural portion. The structural portion has a first surface, a second surface and a dividing axis. The first surface and the second surface are arranged on opposite sides of the dividing axis. A sidelong direction aligning the first surface with the second surface is parallel to a moving direction between the optical encoding device and the marker product. The optical encoding device is disposed adjacent by the marker product. The optical encoding device includes an optical projector and an optical encoder. The optical projector is configured to project the optical detecting signal onto the marker product. The optical encoder is configured to receive an optical reflecting signal from the marker product and encode intensity variation of the optical reflecting signal into digital data.Type: ApplicationFiled: October 6, 2022Publication date: January 26, 2023Applicant: PixArt Imaging Inc.Inventor: Ching-Lin Chung
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Patent number: 11499848Abstract: An optical detection system includes a marker product and an optical encoding device. The marker product includes a substrate and at least one structural portion. The structural portion has a first surface, a second surface and a dividing axis. The first surface and the second surface are arranged on opposite sides of the dividing axis. A sidelong direction aligning the first surface with the second surface is parallel to a moving direction between the optical encoding device and the marker product. The optical encoding device is disposed adjacent by the marker product. The optical encoding device includes an optical projector and an optical encoder. The optical projector is configured to project the optical detecting signal onto the marker product. The optical encoder is configured to receive an optical reflecting signal from the marker product and encode intensity variation of the optical reflecting signal into digital data.Type: GrantFiled: April 18, 2018Date of Patent: November 15, 2022Assignee: PixArt Imaging Inc.Inventor: Ching-Lin Chung
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Publication number: 20220342490Abstract: A method of an optical sensor apparatus which is to be used with a controlling device arranged for controlling an object having a long shape and flexible form of a material, includes: using a light emitting circuit to generate and output a light ray to a surface of a portion of the object; sensing the light ray reflected from the surface for multiple times to generate multiple images; detecting at least one motion image in the generated multiple images; and, determining a motion, an offset, or a rotation angle of the object, which is controlled by the thread controlling device, according to the detected at least one motion image.Type: ApplicationFiled: July 12, 2022Publication date: October 27, 2022Applicant: PixArt Imaging Inc.Inventors: Feng-Chi Liu, Ching-Lin Chung
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Patent number: 11429199Abstract: A method of an optical sensor apparatus which is to be used with a controlling device arranged for controlling an object having a long shape and flexible form of a material, includes: using a light emitting circuit to generate and output a light ray to a surface of a portion of the object; sensing the light ray reflected from the surface for multiple times to generate multiple images; detecting at least one motion image in the generated multiple images; and, determining a motion, an offset, or a rotation angle of the object, which is controlled by the thread controlling device, according to the detected at least one motion image.Type: GrantFiled: March 26, 2021Date of Patent: August 30, 2022Assignee: PixArt Imaging Inc.Inventors: Feng-Chi Liu, Ching-Lin Chung
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Publication number: 20220035459Abstract: An optical processing apparatus and a light source luminance adjustment method adapted to detect a rotational displacement and a pressing state are provided. The optical processing apparatus includes a light source unit, a processing unit, and an image sensing unit, wherein the processing unit is electrically connected to the light source unit and the image sensing unit. The light source unit provides a beam of light. The processing unit defines a frame rate, defines a plurality of time instants within a time interval, and sets the light source unit to a luminance value at each of the time instants. A length of the time interval is shorter than the reciprocal of the frame rate. The luminance values are different and are within a range. The image sensing unit captures an image by an exposure time length at each of the time instants, wherein the exposure time lengths are the same.Type: ApplicationFiled: October 15, 2021Publication date: February 3, 2022Inventors: CHUNG-TING YANG, CHING-LIN CHUNG
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Patent number: 11175747Abstract: An optical processing apparatus and a light source luminance adjustment method adapted to detect a rotational displacement and a pressing state are provided. The optical processing apparatus includes a light source unit, a processing unit, and an image sensing unit, wherein the processing unit is electrically connected to the light source unit and the image sensing unit. The light source unit provides a beam of light. The processing unit defines a frame rate, defines a plurality of time instants within a time interval, and sets the light source unit to a luminance value at each of the time instants. A length of the time interval is shorter than the reciprocal of the frame rate. The luminance values are different and are within a range. The image sensing unit captures an image by an exposure time length at each of the time instants, wherein the exposure time lengths are the same.Type: GrantFiled: November 25, 2019Date of Patent: November 16, 2021Assignee: PIXART IMAGING INC.Inventors: Chung-Ting Yang, Ching-Lin Chung
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Patent number: 11072394Abstract: A rotation calculating system, comprising: a first optical characteristic acquiring device, configured to acquire optical characteristics for at least one feature of a first target device; and a calculating unit, configured to calculate rotation for a first rotating device based on the optical characteristics of the feature of the first target device. The first rotating device is a wheel, and the first target device is the wheel.Type: GrantFiled: December 6, 2019Date of Patent: July 27, 2021Assignee: PixArt Imaging Inc.Inventors: Chung-Ting Yang, Yen-Min Chang, Ching-Lin Chung
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Publication number: 20210216149Abstract: A method of an optical sensor apparatus which is to be used with a controlling device arranged for controlling an object having a long shape and flexible form of a material, includes: using a light emitting circuit to generate and output a light ray to a surface of a portion of the object; sensing the light ray reflected from the surface for multiple times to generate multiple images; detecting at least one motion image in the generated multiple images; and, determining a motion, an offset, or a rotation angle of the object, which is controlled by the thread controlling device, according to the detected at least one motion image.Type: ApplicationFiled: March 26, 2021Publication date: July 15, 2021Inventors: Feng-Chi Liu, Ching-Lin Chung
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Patent number: 10990195Abstract: An electronic apparatus includes a structure and an optical navigation circuit. A first end of the structure is located inside the electronic apparatus and its second end corresponds to a user's control. The structure can be moved forward/backward in a specific direction and/or rotated in another direction. The optical navigation circuit captures reflection of a light emitting to the structure to detect displacement of the image along a specific axis of the structure, and determines the user's operating behavior as a specific operation according to a change of the sensed displacement of the image.Type: GrantFiled: June 6, 2019Date of Patent: April 27, 2021Assignee: PixArt Imaging Inc.Inventors: Ching-Lin Chung, Kai-Ho Tsai
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Patent number: 10760894Abstract: An optical detecting device is utilized to determine a relative position of a reference object or a light source according to an optical reflecting signal reflected from the reference object via an optical detecting signal emitted by the light source. The optical detecting device includes a light penetrating component, at least one light tight structure and an optical detecting component. A focal length of the light penetrating component is greater than a predetermined distance. The light tight structure is located on a region correlative to the light penetrating component. The optical detecting component is disposed by the light penetrating component and spaced from the light penetrating component by the predetermined distance. The optical reflecting signal is projected onto the optical detecting component through the light penetrating component to form a characteristic image via the light tight structure, and the characteristic image can be used to determine the relative position.Type: GrantFiled: March 22, 2017Date of Patent: September 1, 2020Assignee: PixArt Imaging Inc.Inventors: Ching-Lin Chung, Tien-Li Lin
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Publication number: 20200108891Abstract: A rotation calculating system, comprising: a first optical characteristic acquiring device, configured to acquire optical characteristics for at least one feature of a first target device; and a calculating unit, configured to calculate rotation for a first rotating device based on the optical characteristics of the feature of the first target device. The first rotating device is a wheel, and the first target device is the wheel.Type: ApplicationFiled: December 6, 2019Publication date: April 9, 2020Inventors: Chung-Ting Yang, Yen-Min Chang, Ching-Lin Chung
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Publication number: 20200089331Abstract: An optical processing apparatus and a light source luminance adjustment method adapted to detect a rotational displacement and a pressing state are provided. The optical processing apparatus includes a light source unit, a processing unit, and an image sensing unit, wherein the processing unit is electrically connected to the light source unit and the image sensing unit. The light source unit provides a beam of light. The processing unit defines a frame rate, defines a plurality of time instants within a time interval, and sets the light source unit to a luminance value at each of the time instants. A length of the time interval is shorter than the reciprocal of the frame rate. The luminance values are different and are within a range. The image sensing unit captures an image by an exposure time length at each of the time instants, wherein the exposure time lengths are the same.Type: ApplicationFiled: November 25, 2019Publication date: March 19, 2020Inventors: CHUNG-TING YANG, CHING-LIN CHUNG
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Publication number: 20200064934Abstract: A pen mouse with a tracing compensation function includes an optical navigation module, an angle detector and a processor. The optical navigation module is adapted to generate coordinates of the pen mouse. The angle detector is adapted to detect an inclination angle of the pen mouse. The processor is electrically connected to the optical navigation module and the angle detector, and adapted to transform the inclination angle into a compensation parameter and further to compute a trace of the pen mouse via computation of the coordinates by the compensation parameter.Type: ApplicationFiled: August 23, 2018Publication date: February 27, 2020Inventors: Ching-Lin Chung, Chia-Fu Ke
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Patent number: 10564734Abstract: A pen mouse with a tracing compensation function includes an optical navigation module, an angle detector and a processor. The optical navigation module is adapted to generate coordinates of the pen mouse. The angle detector is adapted to detect an inclination angle of the pen mouse. The processor is electrically connected to the optical navigation module and the angle detector, and adapted to transform the inclination angle into a compensation parameter and further to compute a trace of the pen mouse via computation of the coordinates by the compensation parameter.Type: GrantFiled: August 23, 2018Date of Patent: February 18, 2020Assignee: PixArt Imaging Inc.Inventors: Ching-Lin Chung, Chia-Fu Ke
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Patent number: 10538288Abstract: A rotation calculating device comprising: a first rotating device; a first target device; an first optical characteristic acquiring device, configured to acquire optical characteristics for at least one feature of the first target device; and a calculating unit, configured to calculate rotation for the first rotating device based on the optical characteristics of the feature.Type: GrantFiled: July 11, 2017Date of Patent: January 21, 2020Assignee: PixArt Imaging Inc.Inventors: Chung-Ting Yang, Yen-Min Chang, Ching-Lin Chung
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Patent number: 10521023Abstract: An optical processing apparatus and a light source luminance adjustment method adapted to detect a rotational displacement and a pressing state are provided. The optical processing apparatus includes a light source unit, a processing unit, and an image sensing unit, wherein the processing unit is electrically connected to the light source unit and the image sensing unit. The light source unit provides a beam of light. The processing unit defines a frame rate, defines a plurality of time instants within a time interval, and sets the light source unit to a luminance value at each of the time instants. A length of the time interval is shorter than the reciprocal of the frame rate. The luminance values are different and are within a range. The image sensing unit captures an image by an exposure time length at each of the time instants, wherein the exposure time lengths are the same.Type: GrantFiled: January 29, 2019Date of Patent: December 31, 2019Assignee: PIXART IMAGING INC.Inventors: Chun-Wei Chen, Ching-Lin Chung