Patents by Inventor Wan Piang Lim
Wan Piang Lim 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: 20250098364Abstract: 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: ApplicationFiled: September 14, 2023Publication date: March 20, 2025Applicant: PixArt Imaging Inc.Inventors: Wan Piang Lim, Sai Mun Lee
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Publication number: 20250076675Abstract: There is provided a lens piece and a lens assembly as well as an imaging device including the same. The lens assembly includes the lens piece and a lens barrel. The lens piece has a wing extending transversely from a lens sidewall. The lens barrel carries the lens piece, and includes a reservoir corresponding to the wing of the lens piece for containing adhesive.Type: ApplicationFiled: November 21, 2024Publication date: March 6, 2025Inventors: Wan-Piang LIM, Sai-mun LEE
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Patent number: 12181688Abstract: There is provided a lens piece and a lens assembly as well as an imaging device including the same. The lens assembly includes the lens piece and a lens barrel. The lens piece has a wing extending transversely from a lens sidewall. The lens barrel carries the lens piece, and includes a reservoir corresponding to the wing of the lens piece for containing adhesive.Type: GrantFiled: May 5, 2022Date of Patent: December 31, 2024Assignee: PIXART IMAGING INC.Inventors: Wan-Piang Lim, Sai-Mun Lee
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Patent number: 12137868Abstract: An electronic device, comprising: a first light source, configured to emit first light; a second light source, configured to emit second light; an optical sensor, configured to sense optical data generated according to reflected light of the second light or according to reflected light of the first light; and a control circuit, configured to analyze optical information of the optical data. If the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit controls the first light source to be non-activated and the second light source to be activated.Type: GrantFiled: October 10, 2023Date of Patent: November 12, 2024Assignee: PixArt Imaging Inc.Inventors: Muan Sian Ng, Wan Piang Lim, Hui-Hsuan Chen
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Patent number: 12092890Abstract: An optical lens, comprising: a first part, comprising a first surface; and a second part, comprising a second surface, a third surface and at least one concave portion. The first surface and the second surface are not parallel with the third surface, the first part protrudes from the third surface, and the first surface and the second surface are connected with the third surface.Type: GrantFiled: October 11, 2023Date of Patent: September 17, 2024Assignee: PixArt Imaging Inc.Inventors: Wan Piang Lim, Sai Mun Lee
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Publication number: 20240206052Abstract: An optical package includes: a Printed Circuit Board (PCB) including a plurality of cut-out sections; a lens, including a first plurality of protrusions corresponding respectively to the plurality of cut-out sections, wherein the first plurality of protrusions includes three protrusions being guide posts, a first protrusion of the first plurality of protrusions is formed on a first side of the lens, and a second protrusion of the first plurality of protrusions is formed on a second side of the lens opposite to the first side, and when the lens is placed under the PCB, the first plurality of protrusions will pass through the cut-out sections; and a sensor for attaching on to the lens and the PCB.Type: ApplicationFiled: February 29, 2024Publication date: June 20, 2024Applicant: PixArt Imaging Inc.Inventors: Wan Piang LIM, Sai Mun LEE
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Patent number: 11956892Abstract: An optical package includes: a Printed Circuit Board including a plurality of cut-out sections; a lens, including a first plurality of protrusions corresponding respectively to the plurality of cut-out sections, wherein when the lens is placed under the PCB, the protrusions will pass through the cut-out sections; and a sensor for attaching on to the lens and the PCB. The first plurality of protrusions has a shape from the group including: snap features, guide posts and guide posts with tight-fit ribs.Type: GrantFiled: March 22, 2022Date of Patent: April 9, 2024Assignee: PixArt Imaging Inc.Inventors: Wan Piang Lim, Sai Mun Lee
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Publication number: 20240069650Abstract: There is provided a navigation device including a light source, a light guide and a light sensor. The navigation device is operated relative to a work surface. The light source generates an illumination beam passing through the light guide to generate an illuminated area on the work surface. The light sensor receives reflected light from the illuminated area via the light guide. When a working gap between the navigation device and the work surface is increased, a first size of the illuminated area in a first direction is substantially identical to a first initial size of the illumination beam in the first direction after just leaving the light guide, and a second size of the illuminated area in a second direction is smaller than a second initial size of the illumination beam in the second direction after just leaving the light guide.Type: ApplicationFiled: November 8, 2023Publication date: February 29, 2024Inventors: Yee-Loong CHIN, Wan-Piang LIM, Sai-Mun LEE
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Publication number: 20240032756Abstract: An electronic device, comprising: a first light source, configured to emit first light; a second light source, configured to emit second light; an optical sensor, configured to sense optical data generated according to reflected light of the second light or according to reflected light of the first light; and a control circuit, configured to analyze optical information of the optical data. If the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit controls the first light source to be non-activated and the second light source to be activated.Type: ApplicationFiled: October 10, 2023Publication date: February 1, 2024Applicant: PixArt Imaging Inc.Inventors: Muan Sian Ng, Wan Piang Lim, Hui-Hsuan Chen
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Publication number: 20240036286Abstract: An optical lens, comprising: a first part, comprising a first surface; and a second part, comprising a second surface, a third surface and at least one concave portion. The first surface and the second surface are not parallel with the third surface, the first part protrudes from the third surface, and the first surface and the second surface are connected with the third surface.Type: ApplicationFiled: October 11, 2023Publication date: February 1, 2024Applicant: PixArt Imaging Inc.Inventors: Wan Piang Lim, Sai Mun LEE
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Patent number: 11822143Abstract: An optical lens comprising: a first part, comprising a first surface; a second part, comprising a second surface and at least one concave portion, wherein at least portion of the first surface and at least portion of the second surface are cylindrical. The second part further comprises a third surface, wherein the first surface and the second surface are not parallel with the third surface. The first part protrudes from the third surface. The optical lens can be attached to a barrel or an optical sensor without connection components or adhesive material. Therefore, the process of manufacturing the optical data capturing device can be simplified and related cost can be reduced.Type: GrantFiled: January 13, 2021Date of Patent: November 21, 2023Assignee: PixArt Imaging Inc.Inventors: Wan Piang Lim, Sai Mun Lee
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Patent number: 11819184Abstract: An auto clean machine, comprising: a chassis; a first light source, configured to emit first light; a second light source, configured to emit second light; an optical sensor, configured to sense optical data generated according to reflected light of the second light or according to reflected light of the first light; and a control circuit, configured to analyze optical information of the optical data; wherein if the first light source is activated, the second light source is de-activated and the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit changes the first light source to be non-activated and the second light source to be activated.Type: GrantFiled: October 21, 2022Date of Patent: November 21, 2023Assignee: PixArt Imaging Inc.Inventors: Muan Sian Ng, Wan Piang Lim, Hui-Hsuan Chen
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Publication number: 20230309216Abstract: An optical package includes: a Printed Circuit Board including a plurality of cut-out sections; a lens, including a first plurality of protrusions corresponding respectively to the plurality of cut-out sections, wherein when the lens is placed under the PCB, the protrusions will pass through the cut-out sections; and a sensor for attaching on to the lens and the PCB. The first plurality of protrusions has a shape from the group including: snap features, guide posts and guide posts with tight-fit ribs.Type: ApplicationFiled: March 22, 2022Publication date: September 28, 2023Applicant: PixArt Imaging Inc.Inventors: Wan Piang LIM, Sai Mun LEE
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Publication number: 20230044840Abstract: An auto clean machine, comprising: a chassis; a first light source, configured to emit first light; a second light source, configured to emit second light; an optical sensor, configured to sense optical data generated according to reflected light of the second light or according to reflected light of the first light; and a control circuit, configured to analyze optical information of the optical data; wherein if the first light source is activated, the second light source is de-activated and the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit changes the first light source to be non-activated and the second light source to be activated.Type: ApplicationFiled: October 21, 2022Publication date: February 9, 2023Applicant: PixArt Imaging Inc.Inventors: Muan Sian NG, Wan Piang LIM, Hui-Hsuan Chen
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Patent number: 11510539Abstract: An auto clean machine comprising: a chassis; an internal light source, located inside the chassis, for emitting internal light; an external light source, located outside the chassis, for emitting external light; an optical sensor, configured to sense optical data generated according to the external light or according to the internal light; and a control circuit, configured to analyze optical information of the optical data. If the internal light source is activated, the external light source is de-activated and the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit changes the internal light source to be non-activated and the external light source to be activated.Type: GrantFiled: May 30, 2019Date of Patent: November 29, 2022Assignee: PixArt Imaging Inc.Inventors: Muan Sian Ng, Wan Piang Lim, Hui-Hsuan Chen
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Publication number: 20220260849Abstract: There is provided a lens piece and a lens assembly as well as an imaging device including the same. The lens assembly includes the lens piece and a lens barrel. The lens piece has a wing extending transversely from a lens sidewall. The lens barrel carries the lens piece, and includes a reservoir corresponding to the wing of the lens piece for containing adhesive.Type: ApplicationFiled: May 5, 2022Publication date: August 18, 2022Inventors: Wan-Piang LIM, SAI-MUN LEE
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Publication number: 20220221677Abstract: An optical lens comprising: a first part, comprising a first surface; a second part, comprising a second surface and at least one concave portion, wherein at least portion of the first surface and at least portion of the second surface are cylindrical. The second part further comprises a third surface, wherein the first surface and the second surface are not parallel with the third surface. The first part protrudes from the third surface.Type: ApplicationFiled: January 13, 2021Publication date: July 14, 2022Inventors: Wan Piang LIM, Sai Mun LEE
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Patent number: 11372258Abstract: There is provided a lens piece and a lens assembly as well as an imaging device including the same. The lens assembly includes the lens piece and a lens barrel. The lens piece has a wing extending transversely from a lens sidewall. The lens barrel carries the lens piece, and includes a reservoir corresponding to the wing of the lens piece for containing adhesive.Type: GrantFiled: February 13, 2020Date of Patent: June 28, 2022Assignee: PIXART IMAGING INC.Inventors: Wan-Piang Lim, Sai-Mun Lee
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Publication number: 20210255473Abstract: There is provided a lens piece and a lens assembly as well as an imaging device including the same. The lens assembly includes the lens piece and a lens barrel. The lens piece has a wing extending transversely from a lens sidewall. The lens barrel carries the lens piece, and includes a reservoir corresponding to the wing of the lens piece for containing adhesive.Type: ApplicationFiled: February 13, 2020Publication date: August 19, 2021Inventors: WAN-PIANG LIM, SAI-MUN LEE
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Publication number: 20190274505Abstract: An auto clean machine comprising: a chassis; an internal light source, located inside the chassis, for emitting internal light; an external light source, located outside the chassis, for emitting external light; an optical sensor, configured to sense optical data generated according to the external light or according to the internal light; and a control circuit, configured to analyze optical information of the optical data. If the internal light source is activated, the external light source is de-activated and the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit changes the internal light source to be non-activated and the external light source to be activated.Type: ApplicationFiled: May 30, 2019Publication date: September 12, 2019Inventors: Muan Sian NG, Wan Piang Lim, Hui-Hsuan Chen