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公开(公告)号：US20190274505A1
公开(公告)日：2019-09-12
申请号：US16425955
申请日：2019-05-30
Applicant: PixArt Imaging Inc.
Inventor： Muan Sian NG , Wan Piang Lim , Hui-Hsuan Chen
Abstract: 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.
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公开(公告)号：US20250098364A1
公开(公告)日：2025-03-20
申请号：US18368034
申请日：2023-09-14
Applicant: PixArt Imaging Inc.
Inventor： Wan Piang Lim , Sai Mun Lee
IPC: H01L31/02 , H01L31/0224 , H01L31/0232
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.
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公开(公告)号：US12137868B2
公开(公告)日：2024-11-12
申请号：US18378624
申请日：2023-10-10
Applicant: PixArt Imaging Inc.
Inventor： Muan Sian Ng , Wan Piang Lim , Hui-Hsuan Chen
Abstract: 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.
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公开(公告)号：US11819184B2
公开(公告)日：2023-11-21
申请号：US17970596
申请日：2022-10-21
Applicant: PixArt Imaging Inc.
Inventor： Muan Sian Ng , Wan Piang Lim , Hui-Hsuan Chen
CPC classification number: A47L9/2826 , A47L9/30 , B25J19/023 , G06T7/0004 , A47L11/00 , A47L2201/04 , A47L2201/06 , G06T2207/30261
Abstract: 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.
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公开(公告)号：US11510539B2
公开(公告)日：2022-11-29
申请号：US16425955
申请日：2019-05-30
Applicant: PixArt Imaging Inc.
Inventor： Muan Sian Ng , Wan Piang Lim , Hui-Hsuan Chen
Abstract: 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.
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Patent Agency Ranking
公开(公告)号：US12092890B2
公开(公告)日：2024-09-17
申请号：US18378663
申请日：2023-10-11
Applicant: PixArt Imaging Inc.
Inventor： Wan Piang Lim , Sai Mun Lee
Abstract: 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.
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公开(公告)号：US11956892B2
公开(公告)日：2024-04-09
申请号：US17701642
申请日：2022-03-22
Applicant: PixArt Imaging Inc.
Inventor： Wan Piang Lim , Sai Mun Lee
CPC classification number: H05K1/0274 , H05K3/041 , H05K2201/10121 , H05K2201/10151
Abstract: 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.
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公开(公告)号：US20240036286A1
公开(公告)日：2024-02-01
申请号：US18378663
申请日：2023-10-11
Applicant: PixArt Imaging Inc.
Inventor： Wan Piang Lim , Sai Mun LEE
Abstract: 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.
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公开(公告)号：US20240032756A1
公开(公告)日：2024-02-01
申请号：US18378624
申请日：2023-10-10
Applicant: PixArt Imaging Inc.
Inventor： Muan Sian Ng , Wan Piang Lim , Hui-Hsuan Chen
CPC classification number: A47L9/2826 , A47L9/30 , B25J19/023 , G06T7/0004 , G06T2207/30261 , A47L2201/04 , A47L2201/06 , A47L11/00
Abstract: 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.
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公开(公告)号：US11822143B2
公开(公告)日：2023-11-21
申请号：US17148491
申请日：2021-01-13
Applicant: PixArt Imaging Inc.
Inventor： Wan Piang Lim , Sai Mun Lee
Abstract: 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.
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