公开(公告)号：US10275146B2

公开(公告)日：2019-04-30

申请号：US13935876

申请日：2013-07-05

Applicant: Pixart Imaging Inc.

Inventor： Yin-Hui Lee ,  Yen-Min Chang

IPC: G06F3/041 ,  G06F3/0488 ,  G06F3/0484

Abstract: A virtual navigation apparatus, a navigation method, and a non-transitory computer readable medium thereof are provided. The virtual navigation apparatus includes a work surface, a touch detection module, and a processor. The touch detection module is electrically connected to the work surface and the processor. The touch detection module is configured to detect a plurality of detection data within a time interval. The processor determines that at least three touch objects touch the work surface within the time interval. The processor determines the movement datum of each touch object according to the detection data. The processor determines a position signal according to the movement data so that a host can move the cursor on a screen according to the position signal.

公开(公告)号：US10210412B2

公开(公告)日：2019-02-19

申请号：US15347309

申请日：2016-11-09

Applicant: PIXART IMAGING INC.

Inventor： Boon-How Kok ,  Keen-Hun Leong ,  Ching-Geak Chan ,  Chiang-Hee Lim ,  Chu-Leik Ho ,  Hsin-Chia Chen ,  Yen-Min Chang

IPC: G01D5/34 ,  G06K9/20 ,  G06K9/46 ,  G06K9/00 ,  G06F3/03 ,  H04N19/00 ,  H04N5/225

Abstract: The present disclosure is related to an optical encoder which is configured to provide precise coding reference data by feature recognition technology. To apply the present disclosure, it is not necessary to provide particular dense patterns on a working surface. The precise coding reference data can be generated by detecting surface features of the working surface.

公开(公告)号：US10198088B2

公开(公告)日：2019-02-05

申请号：US15427067

申请日：2017-02-08

Applicant: PixArt Imaging Inc.

Inventor： Chung-Ting Yang ,  Yen-Min Chang

IPC: G06F3/033 ,  G06F3/0354 ,  G01N21/94 ,  G06F3/042 ,  G06F3/03

Abstract: A non-transitory computer readable recording medium, for storing at least one program, an optical movement quality determining method is performed if the program is executed, wherein the optical movement quality determining method is applied to an optical movement detecting apparatus configured to generate optical information and to determine a relative location between an object and the optical movement detecting apparatus, wherein the optical movement quality determining method comprises: (a) determining information quality of the optical information; and (b) generating at least one movement quality reminding message according to a relation between the information quality and a quality threshold value.

公开(公告)号：US20180306612A1

公开(公告)日：2018-10-25

申请号：US15493153

申请日：2017-04-21

Applicant: PixArt Imaging Inc.

Inventor： Feng-Chi Liu ,  Yen-Min Chang

IPC: G01F1/06 ,  B01F3/00 ,  B01F15/02 ,  B01F15/00 ,  G05D7/06 ,  G01F11/00

CPC classification number: G01F1/065 ,  G01F11/006 ,  G05D7/0617 ,  G05D11/00

Abstract: A flow amount measuring apparatus comprising: a rotating device, configured to rotate while material flows through the rotating device; a rotating bar, connected to the rotating device, configured to rotate corresponding to rotating of the rotating device; a feature acquiring device, configured to detect at least one feature of the rotating bar; and a computing unit, configured to compute a number for full rotations for the rotating bar based on the feature of the rotating bar, and configured to compute a flow amount for the material flows through the rotating device based on the number for full rotations.

公开(公告)号：US10092244B2

公开(公告)日：2018-10-09

申请号：US14685782

申请日：2015-04-14

Applicant: PIXART IMAGING INC.

Inventor： Chih-Yuan Chuang ,  Cheng-Nan Tsai ,  Ming-Tsan Kao ,  Ren-Hau Gu ,  Yen-Min Chang

IPC: A61B5/024 ,  A61B5/00 ,  A61B5/1455

Abstract: A biometric detection module including a light source module, a detection region and a control module is provided. The light source module is configured to emit green light, red light and IR light in a time division manner to illuminate a skin surface. The detection region is configured to detect penetration light emitted from the light source module for illuminating the skin surface and passing through body tissues to correspondingly generate a green light signal, a red light signal and an IR light signal. The control module is configured to determine a filtering parameter according to the green light signal to accordingly filter the red light signal and the IR light signal, and calculate a biometric characteristic according to at least one of the green light signal, a filtered red light signal and a filtered IR light signal.

公开(公告)号：US10089802B2

公开(公告)日：2018-10-02

申请号：US15964718

申请日：2018-04-27

Applicant: PixArt Imaging Inc.

Inventor： Yen-Min Chang ,  Chih-Yuan Chuang

IPC: G07C9/00

Abstract: A control system including a detection device and a control host is provided. The detection device is configured to detect a biometric characteristic to accordingly identify a user ID, and output an ID signal according to the user ID. The control host is configured to receive the ID signal to accordingly perform an individualized control associated with the user ID.

公开(公告)号：US20180247043A1

公开(公告)日：2018-08-30

申请号：US15964718

申请日：2018-04-27

Applicant: PixArt Imaging Inc.

Inventor： Yen-Min Chang ,  Chih-Yuan Chuang

IPC: G06F21/35 ,  G07C9/00

Abstract: A control system including a detection device and a control host is provided. The detection device is configured to detect a biometric characteristic to accordingly identify a user ID, and output an ID signal according to the user ID. The control host is configured to receive the ID signal to accordingly perform an individualized control associated with the user ID.

公开(公告)号：US09984222B2

公开(公告)日：2018-05-29

申请号：US15722435

申请日：2017-10-02

Applicant: PixArt Imaging Inc.

Inventor： Chih-Yuan Chuang ,  Cheng-Nan Tsai ,  Yen-Min Chang

IPC: G06F21/32 ,  G06F21/35 ,  G07C9/00

CPC classification number: G06F21/32 ,  G06F21/35 ,  G07B15/00 ,  G07C9/00071 ,  G07C9/00103 ,  G07C9/00896 ,  G07C2009/00095

Abstract: A control system including a detection device and a control host is provided. The detection device is configured to detect a biometric characteristic to accordingly identify a user ID, and output an ID signal according to the user ID. The control host is configured to receive the ID signal to accordingly perform an individualized control associated with the user ID.

公开(公告)号：US20180113517A1

公开(公告)日：2018-04-26

申请号：US15427067

申请日：2017-02-08

Applicant: PixArt Imaging Inc.

Inventor： Chung-Ting Yang ,  Yen-Min Chang

IPC: G06F3/038 ,  G01N21/94 ,  G06F3/042 ,  G06F3/0354

CPC classification number: G06F3/03543 ,  G01N21/94 ,  G06F3/0317 ,  G06F3/0421

Abstract: A non-transitory computer readable recording medium, for storing at least one program, an optical movement quality determining method is performed if the program is executed, wherein the optical movement quality determining method is applied to an optical movement detecting apparatus configured to generate optical information and to determine a relative location between an object and the optical movement detecting apparatus, wherein the optical movement quality determining method comprises: (a) determining information quality of the optical information; and (b) generating at least one movement quality reminding message according to a relation between the information quality and a quality threshold value.

公开(公告)号：US20180084207A1

公开(公告)日：2018-03-22

申请号：US15810144

申请日：2017-11-13

Applicant: PixArt Imaging Inc.

Inventor： Yen-Min Chang

IPC: H04N5/355 ,  H04N5/378 ,  H04N5/353

CPC classification number: H04N5/3559 ,  H04N5/353 ,  H04N5/378

Abstract: An image sensing circuit includes floating node, switch circuit, capacitor(s), and counting circuit. The floating node receives image electric charge from a photosensitive pixel. The switch circuit is coupled between floating node and capacitor(s) to dynamically connect and disconnect floating node and capacitor(s). The capacitor(s) include(s) first terminal(s) connected to switch circuit and second terminal(s) connected to ground. The counting circuit counts the number of charging and discharging behavior of capacitor(s) according to dynamic switches of switch circuit wherein the switch circuit dynamically switches to make capacitor(s) be charged and discharged dynamically in response to one exposure time period to receive energy of image electric charge which is determined by the number of charging and discharging behavior of the capacitor(s) and the capacitor(s)' potential value measured finally.