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公开(公告)号：US20230421924A1
公开(公告)日：2023-12-28
申请号：US18244296
申请日：2023-09-11
Applicant: PixArt Imaging Inc.
Inventor： REN-CHIEH LIU , CHIH-HUAN WU , YI-HSIEN KO , HAN-CHI LIU
IPC: H04N25/772 , H01L27/146
CPC classification number: H04N25/772 , H01L27/14643
Abstract: There is provided a pixel circuit for performing analog operation including a photodiode, a first temporal circuit, a second temporal circuit and an operation circuit. Within a first interval, the photodiode detects first light energy to be stored in the first temporal circuit. Within a second interval, the photodiode detects second light energy to be stored in the second temporal circuit. Within an operation interval, the first temporal circuit outputs a first detection signal having a first pulse width according to the first light energy and outputs a second detection signal having a second pulse width according to the second light energy for being calculated by the operation circuit.
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公开(公告)号：US20230414174A1
公开(公告)日：2023-12-28
申请号：US17849941
申请日：2022-06-27
Applicant: PIXART IMAGING INC.
Inventor： WEI-LUN SUNG , PO-WEI YU , CHIH-MING SUN
CPC classification number: A61B5/6817 , H04R1/1016 , A61B5/01 , A61B5/0008 , A61B2562/04
Abstract: An earbud with temperature sensing is provided, and the earbud includes a housing, a speaker and a first temperature sensor. The housing defines a first opening and a second opening. The speaker is disposed within the housing and oriented so that audio emitted by the speaker exits the housing through the first opening defined by the housing. The first temperature sensor is positioned along an interior surface of the housing and aligned with the second opening in the housing for non-contact temperature sensing. In response to the earbud being positioned for use within an ear of a user, the second opening aligns with an inner side of the tragus close to the ear canal, the cavum conchae, an inner edge of the antitragus, or the cheek close to the ear, such that the first temperature sensor detects a body temperature of the user through the second opening.
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公开(公告)号：US20230408299A1
公开(公告)日：2023-12-21
申请号：US17845995
申请日：2022-06-21
Applicant: PixArt Imaging Inc.
Inventor： Ching-Shun Chen
CPC classification number: G01D5/24 , B62D1/065 , H05B3/34 , B32B5/02 , B32B7/12 , B62D1/046 , B32B2457/00
Abstract: A flexible capacitive touch sensing device comprising a first, a second sensing region and a capacitance detection circuit. Each of the first, second sensing region comprises: flexible material; and electrodes, in or on the flexible material. Capacitance sensed by the capacitance detection circuit is used for detecting if an object causes capacitance variation to the first sensing region and the second sensing region. The first sensing region comprises a first side region with a first side which is adjacent to a second side of the second sensing region Shapes of the electrodes are changeable after provided on the flexible material. The electrodes are overlapped in normal directions of the first side region and the second side region. An angle which is not 0 degree exists between the electrodes which are overlapped. Such flexible capacitive touch sensing device can be applied to generate a HOD device with different sizes.
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公开(公告)号：US11849237B1
公开(公告)日：2023-12-19
申请号：US17873161
申请日：2022-07-26
Applicant: PIXART IMAGING INC.
Inventor： Kazuya Yonemoto
Abstract: There is provided a pixel circuit including an optically sensitive material (OSM) layer and a readout circuit. The OSM layer is arranged upon the readout circuit, and used to sense light energy to generate signal charges to be integrated in a floating diffusion. The readout circuit includes a source follower for amplifying a voltage on the floating diffusion within a readout interval, and the voltage on the floating diffusion is not changed by an external voltage pulse within the readout interval.
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公开(公告)号：US11847857B2
公开(公告)日：2023-12-19
申请号：US17534870
申请日：2021-11-24
Applicant: PixArt Imaging Inc.
Inventor： Liang-Chi Chiu , Yu-Han Chen , Ming-Tsan Kao
CPC classification number: G06V40/174 , B60R25/25 , G06V20/59 , G06V2201/10
Abstract: A vehicle device setting method including: capturing, by an image sensing unit, a first image frame; recognizing a user ID according to the first image frame; showing ID information of the recognized user ID on a screen or by a speaker; capturing a second image frame; generating a confirm signal when a first user expression is recognized by calculating an expression feature in the second image frame and comparing the recognized expression feature with stored expression data associated with a predetermined user expression to confirm whether the recognized user ID is correct or not according to the second image frame captured after the ID information is shown; controlling an electronic device according to the confirm signal; and entering a data update mode instructed by the user and updating setting information of the electronic device by current electronic device setting according to a saving signal generated by confirming a second user expression in a third image frame captured after the user ID is confirmed through showing the ID information.
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Patent Agency Ranking
公开(公告)号：US20230393407A1
公开(公告)日：2023-12-07
申请号：US18235884
申请日：2023-08-21
Applicant: PixArt Imaging Inc.
Inventor： HUN-KWANG LEE , SAI-MUN LEE , PRISCILLA TZE-WEI GOH , LYE-PIN CHU
IPC: G02B27/09 , G06F3/03 , G06F3/0354
CPC classification number: G02B27/0994 , G06F3/03543 , G06F3/0304
Abstract: An optical mouse operated with respect to an illuminated surface outside the optical mouse is provided. The optical mouse includes a light source configured to emit a light beam, and a light pipe including a first optical element and a second optical element. The light beam enters the light pipe through the first optical element, and then propagates in the light pipe from the first optical element to the second optical element without reflection, and then leaves the light pipe through the second optical element, and then illuminates the illuminated surface. The light pipe does not have any protrusion extending therefrom and attached to a front surface of the light source.
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公开(公告)号：US20230367859A1
公开(公告)日：2023-11-16
申请号：US18222008
申请日：2023-07-14
Applicant: PixArt Imaging Inc.
Inventor： YEN-MIN CHANG
IPC: G06F21/32 , A61B5/1172 , A61B5/117 , A61B5/1171 , G06V40/70
CPC classification number: G06F21/32 , A61B5/1172 , A61B5/117 , A61B5/1176 , G06V40/70 , G06V40/12
Abstract: A virtual reality system including an image viewing device and a wearable accessary is provided. The image viewing device detects a biometric characteristic to identify a user ID according to the biometric characteristic, outputs an ID signal associated with the identified user ID and shows video stream associated with the identified user ID. The wearable accessary detects an attached status and movement of the wearable accessary after receiving the ID signal, and sends a control signal to the image viewing device to change image content in the video stream according to the detected movement of the wearable accessary when the attached status indicates continuous wearing.
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公开(公告)号：US20230366991A1
公开(公告)日：2023-11-16
申请号：US17740371
申请日：2022-05-10
Applicant: PixArt Imaging Inc.
Inventor： Yu-Wei Wang
IPC: G01S7/4863 , H01L31/107 , G01S17/10
CPC classification number: G01S7/4863 , H01L31/107 , G01S17/10 , H01L27/14643
Abstract: A photodiode, comprising: a first photodiode, comprising a p type substrate and a signal output region; a positive electric field providing structure, provided in the P type substrate, configured to receive a positive voltage to provide a positive electric field according to the positive voltage to attract electrons in the P type substrate; wherein an avalanche region is formed when the positive voltage is larger than a threshold voltage, thereby a current path is formed between the signal output region and the positive electric field providing structure. The present invention also discloses an optical sensor comprising pixels with different light sensitivities.
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公开(公告)号：US20230366730A1
公开(公告)日：2023-11-16
申请号：US18223562
申请日：2023-07-19
Applicant: PIXART IMAGING INC.
Inventor： SAI MUN LEE , CHEE PIN T'NG
CPC classification number: G01J1/0407 , H05K1/183 , H05K2201/10106 , H05K2201/10151 , H05K2201/10719
Abstract: The invention provides an optical sensor package. The optical sensor package includes: a substrate; a sensor disposed on the substrate; a glass cover disposed directly on the sensor; and a cap disposed on the substrate comprised of a solid perimeter surrounding the sensor and a ceiling having a cut-out section above the glass cover. The thickness of the cap is 0.20 mm.
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公开(公告)号：US20230353902A1
公开(公告)日：2023-11-02
申请号：US18350905
申请日：2023-07-12
Applicant: PIXART IMAGING INC.
Inventor： Ren-Chieh LIU
IPC: H04N25/768
CPC classification number: H04N25/768
Abstract: The present disclosure provides a time delay integration (TDI) sensor using a rolling shutter. The TDI sensor includes multiple pixel columns. Each pixel column includes multiple pixels arranged in an along-track direction, wherein two adjacent pixels or two adjacent pixel groups in every pixel column have a separation space therebetween. The separation space is equal to a pixel height multiplied by a time ratio of a line time difference of the rolling shutter and a frame period, or equal to a summation of at least one pixel height and a multiplication of the pixel height by the time ratio of the line time difference and the frame period. The TDI sensor generates image frames using pixels having different sensing ability for a processor to perform image combination.
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