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公开(公告)号：US11647351B2
公开(公告)日：2023-05-09
申请号：US16896257
申请日：2020-06-09
Applicant: PixArt Imaging Inc.
Inventor： Shih-Feng Chen , Yen-Min Chang
CPC classification number: H04S7/304 , G06F3/012 , G06F3/167 , H04W4/024 , H04W4/026 , H04W4/029 , H04W4/80 , H04W12/50
Abstract: A method of wireless communication locator station to be disposed at specific location includes: detecting rotation angle information of client-based portable device, carried or worn by user, according to specific wireless communication standard between wireless communication locator station and client-based portable device when client-based portable device is within signal range of wireless communication locator station; generating head pose direction estimation according to calculated rotation angle information; and when head pose direction estimation indicates that a user turns face towards wireless communication locator station, sending packet signal from wireless communication locator station to server-based portable device, successfully paired with and security-connected with client-based portable device, so that server-based portable device can transfer packet signal to client-based portable device after receiving packet signal.
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公开(公告)号：US20220078584A1
公开(公告)日：2022-03-10
申请号：US17016357
申请日：2020-09-09
Applicant: PixArt Imaging Inc.
Inventor： Shih-Feng Chen , Yen-Min Chang
IPC: H04W4/10 , H04W4/80 , H04B1/3827 , H04L29/12
Abstract: A voice communication method between two or more wearable electronic devices via Bluetooth communication includes: providing the two or more wearable electronic devices paired with a mobile phone device; determining whether a distance between the two or more wearable electronic devices is larger than a distance threshold; controlling a wearable electronic device to enter a walkie-talkie mode to start a walkie-talkie conversation with one or more other wearable electronic devices when the distance is larger than the distance threshold; and during the walkie-talkie mode using the such wearable electronic device to send voice data from the wearable electronic device to one or more other wearable electronic devices to make the other wearable electronic device(s) to receive and play the voice data in the walkie-talkie mode for different user(s).
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公开(公告)号：US10192317B2
公开(公告)日：2019-01-29
申请号：US15361378
申请日：2016-11-26
Applicant: PIXART IMAGING INC.
Inventor： Han-Chang Lin , Shu-Sian Yang , Shih-Feng Chen
Abstract: A method for detecting motion information includes the following steps. First, a pixel array is provided for detecting an image of a measured object located in a first distance range or in a second distance range, and the pixel array includes a plurality of invisible image sensing pixels and a plurality of visible image sensing pixels. Then, image detection is conducted within the first distance range by using the invisible image sensing pixels to output a plurality of invisible images. Next, the image detection is conducted within the second distance range by using the visible image sensing pixels to output a plurality of visible images. Then, the plurality of invisible images and the plurality of visible images are analyzed by using a processing unit, so as to obtain motion information of the measured object. A pixel array for detecting motion information and an image sensor are also provided.
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公开(公告)号：US20180329578A1
公开(公告)日：2018-11-15
申请号：US16030872
申请日：2018-07-10
Applicant: PixArt Imaging Inc.
Inventor： Guo-Zhen Wang , Shih-Feng Chen , Han-Chang Lin
Abstract: A touch control detecting method applied to an electronic apparatus comprising an image sensor. The touch control detecting method comprises: (a) capturing a plurality of sensing images via the image sensor; and (b) determining if an object performs a predetermined touch control operation to the electronic apparatus, according to a brightness variation tendency of the sensing images. The predetermined touch control operation is a long press operation.
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公开(公告)号：US20170322675A1
公开(公告)日：2017-11-09
申请号：US15387618
申请日：2016-12-21
Applicant: PixArt Imaging Inc.
Inventor： Guo-Zhen Wang , Shih-Feng Chen , Han-Chang Lin
IPC: G06F3/042
CPC classification number: G06F3/0421 , G06F3/0304 , G06F3/0416 , G06F3/042
Abstract: A touch control detecting method applied to an electronic apparatus comprising an image sensor. The touch control detecting method comprises: (a) capturing a plurality of sensing images via the image sensor; and (b) determining if an object performs a predetermined touch control operation to the electronic apparatus, according to a brightness variation tendency of the sensing images.
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Patent Agency Ranking
公开(公告)号：US12156632B2
公开(公告)日：2024-12-03
申请号：US17900949
申请日：2022-09-01
Applicant: PIXART IMAGING INC.
Inventor： Shih-Feng Chen , Han-Lin Chiang , Ning Shyu
IPC: A47L9/28 , A47L5/22 , A47L9/00 , A47L9/14 , A47L9/19 , A47L9/22 , A47L9/30 , G01N15/075 , G05D1/00 , G06T7/00 , G06V10/75
Abstract: A cleaning system and a cleaning method are provided. The cleaning system includes a main body, an air suctioning device, a light source, an optical sensor, a memory and a processing unit. The air suctioning device includes an air flow passage and a fan-motor assembly that is disposed in the air flow passage and generates a suction force to suction outside air through the air flow passage. The light source emit light to the air flow passage. The optical sensor captures a plurality of successive image frames from the air flow passage. The processing unit is configured to: obtain first and second image frames from the successive image frames; compare the first image frame with the second image frame to identify dust particles; obtain a particle feature of the dust particles; and determine a current cleanness condition according to the particle feature.
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公开(公告)号：US12033331B2
公开(公告)日：2024-07-09
申请号：US17359879
申请日：2021-06-28
Applicant: PIXART IMAGING INC.
Inventor： Han-Chang Lin , Shu-Sian Yang , Shih-Feng Chen
IPC: G06V40/20 , G06T7/20 , G06V10/10 , G06V10/143 , H04N5/33 , H04N23/11 , H04N25/709 , H04N5/14
CPC classification number: G06T7/20 , G06V10/143 , G06V10/17 , G06V40/20 , G06V40/28 , H04N5/33 , H04N23/11 , H04N25/709 , G06T2207/10016 , H04N5/144
Abstract: A method for detecting motion information includes the following steps. First, a pixel array is provided for detecting an image of a measured object located in a first distance range or in a second distance range, and the pixel array includes a plurality of invisible image sensing pixels and a plurality of visible image sensing pixels. Then, image detection is conducted within the first distance range by using the invisible image sensing pixels to output a plurality of invisible images. Next, the image detection is conducted within the second distance range by using the visible image sensing pixels to output a plurality of visible images. Then, the plurality of invisible images and the plurality of visible images are analyzed by using a processing unit, so as to obtain motion information of the measured object. A pixel array for detecting motion information and an image sensor are also provided.
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公开(公告)号：US11979738B2
公开(公告)日：2024-05-07
申请号：US18127671
申请日：2023-03-29
Applicant: PixArt Imaging Inc.
Inventor： Shih-Feng Chen , Yen-Min Chang
CPC classification number: H04S7/304 , G06F3/012 , G06F3/167 , H04W4/024 , H04W4/026 , H04W4/029 , H04W4/80 , H04W12/50
Abstract: A method of wireless communication locator station to be disposed at specific location includes: detecting rotation angle information of client-based portable device, carried or worn by user, according to specific wireless communication standard between wireless communication locator station and client-based portable device when client-based portable device is within signal range of wireless communication locator station; generating head pose direction estimation according to calculated rotation angle information; and when head pose direction estimation indicates that a user turns face towards wireless communication locator station, sending packet signal from wireless communication locator station to server-based portable device, successfully paired with and security-connected with client-based portable device, so that server-based portable device can transfer packet signal to client-based portable device after receiving packet signal.
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公开(公告)号：US20230221427A1
公开(公告)日：2023-07-13
申请号：US17574588
申请日：2022-01-13
Applicant: PixArt Imaging Inc.
Inventor： Shih-Feng Chen , Han-Lin Chiang , Ning Shyu
CPC classification number: G01S13/751 , G08B21/182 , G06K19/0723
Abstract: A navigation device applied to a wireless identification tag includes a movable signal transceiver and an operation processor. The movable signal transceiver is adapted to transmit a detection signal and receive an actuation signal relevant to the detection signal. The operation processor is electrically connected to the movable signal transceiver. The operation processor is adapted to analyze the actuation signal to acquire relative position between the movable signal transceiver and the wireless identification tag, and generate a motion parameter in accordance with the relative position for moving the movable signal transceiver.
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公开(公告)号：US11087473B2
公开(公告)日：2021-08-10
申请号：US16216062
申请日：2018-12-11
Applicant: PIXART IMAGING INC.
Inventor： Han-Chang Lin , Shu-Sian Yang , Shih-Feng Chen
Abstract: A method for detecting motion information includes the following steps. First, a pixel array is provided for detecting an image of a measured object located in a first distance range or in a second distance range, and the pixel array includes a plurality of invisible image sensing pixels and a plurality of visible image sensing pixels. Then, image detection is conducted within the first distance range by using the invisible image sensing pixels to output a plurality of invisible images. Next, the image detection is conducted within the second distance range by using the visible image sensing pixels to output a plurality of visible images. Then, the plurality of invisible images and the plurality of visible images are analyzed by using a processing unit, so as to obtain motion information of the measured object. A pixel array for detecting motion information and an image sensor are also provided.
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