公开(公告)号：US20190216369A1

公开(公告)日：2019-07-18

申请号：US16362880

申请日：2019-03-25

Applicant: PIXART IMAGING INC.

Inventor： REN-HAU GU ,  CHUNG-WEN LO

IPC: A61B5/11

CPC classification number: A61B5/1123 ,  A61B5/0059 ,  A61B5/02416 ,  A61B5/1107 ,  A61B5/681 ,  A61B5/6824 ,  A61B2562/0219

Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.

公开(公告)号：US20160305875A1

公开(公告)日：2016-10-20

申请号：US14686974

申请日：2015-04-15

Applicant: PIXART IMAGING INC.

Inventor： REN-HAU GU ,  CHUNG-WEN LO

IPC: G01N21/55 ,  G01N21/84

CPC classification number: A61B5/1123 ,  A61B5/0059 ,  A61B5/02416 ,  A61B5/1107 ,  A61B5/681 ,  A61B5/6824 ,  A61B2562/0219

Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.

Abstract translation: 示出了动作识别系统。 动作识别系统具有环形体，至少一个发光单元，至少一个感光单元和动作识别模块。 环形体被磨损在使用者的可移动部分上。 发光单元的一端暴露在环形体的内侧，其中发光单元发射照亮可动部分的至少一部分的第一光束。 光感测单元的一端在环状体的内侧露出。 光感测单元可操作地感测由可移动部分的至少部分反射的第二光束并产生光感测信号。 动作识别模块被配置为根据光感测信号可操作地确定用户的动作。

公开(公告)号：US20200100708A1

公开(公告)日：2020-04-02

申请号：US16700368

申请日：2019-12-02

Applicant: PIXART IMAGING INC.

Inventor： REN-HAU GU ,  CHUNG-WEN LO

IPC: A61B5/11

Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.

公开(公告)号：US20160170516A1

公开(公告)日：2016-06-16

申请号：US14565622

申请日：2014-12-10

Applicant: PIXART IMAGING INC.

Inventor： KEN CRANDALL ,  CHUNG-WEN LO ,  DAVID TOUNEY ,  TOM MURPHY ,  HSIN-CHIA CHEN

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0416

Abstract: There is provided a capacitive touch device including a touch panel, a detection circuit and a processing unit. The touch panel includes a plurality of drive electrodes and a plurality of receiving electrodes configured to form a coupling electric field with an external touch panel, and the receiving electrodes are respectively configured to output a detection signal. The detection circuit is coupled to one of the receiving electrodes and configured to modulate the detection signal with two signals to generate two detection components. The processing unit is configured to obtain a phase value according to the two detection components to accordingly decode transmission data.

Abstract translation: 提供了一种包括触摸面板，检测电路和处理单元的电容式触摸装置。 触摸面板包括多个驱动电极和被配置为与外部触摸面板形成耦合电场的多个接收电极，并且接收电极分别被配置为输出检测信号。 检测电路耦合到接收电极中的一个并被配置为用两个信号调制检测信号以产生两个检测分量。 处理单元被配置为根据两个检测组件获得相位值，以相应地解码发送数据。

公开(公告)号：US20220142512A1

公开(公告)日：2022-05-12

申请号：US17582083

申请日：2022-01-24

Applicant: PIXART IMAGING INC.

Inventor： REN-HAU GU ,  CHUNG-WEN LO

IPC: A61B5/11

Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.

公开(公告)号：US20160026283A1

公开(公告)日：2016-01-28

申请号：US14337325

申请日：2014-07-22

Applicant: PIXART IMAGING INC.

Inventor： CHUNG-WEN LO ,  TOM MURPHY ,  HSIN-CHIA CHEN

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0338 ,  G06F3/03547 ,  G06F3/0412

Abstract: There is provided an operating method of a capacitive finger navigation device including the steps of: calculating a touch coordinate according to a predetermined position coordinate and associated detected variation of each of a plurality of detecting cells when the associated detected variations of the detecting cells exceed a threshold; mapping the touch coordinate to a touch position associated with a touch surface; entering a relative motion mode when the touch position is in a first area; and entering an absolute coordinate mode when the touch position is in a second area.

Abstract translation: 提供了一种电容手指导航装置的操作方法，包括以下步骤：当检测单元的相关联的检测变化超过一个时，根据预定位置坐标和相关联的检测到的多个检测单元的检测变化来计算触摸坐标 阈; 将所述触摸坐标映射到与触摸表面相关联的触摸位置; 当触摸位置处于第一区域时进入相对运动模式; 并且当触摸位置处于第二区域时进入绝对坐标模式。

公开(公告)号：US20150262361A1

公开(公告)日：2015-09-17

申请号：US14573023

申请日：2014-12-17

Applicant: PIXART IMAGING INC.

Inventor： CHUNG-WEN LO ,  HSIN-CHIA CHEN

IPC: G06T7/00 ,  G06T7/40

CPC classification number: G06F3/0312

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 or any reference object with particular markers. The precise coding reference data can be generated by detecting surface features of the working surface.

Abstract translation: 本公开涉及一种光学编码器，其被配置为通过特征识别技术提供精确的编码参考数据。 为了应用本公开，不需要在工作表面或具有特定标记的任何参考对象上提供特定的致密图案。 可以通过检测工作表面的表面特征来产生精确的编码参考数据。

公开(公告)号：US20240215868A1

公开(公告)日：2024-07-04

申请号：US18605924

申请日：2024-03-15

Applicant: PIXART IMAGING INC.

Inventor： REN-HAU GU ,  CHUNG-WEN LO

IPC: A61B5/11 ,  A61B5/00 ,  A61B5/024

CPC classification number: A61B5/1123 ,  A61B5/1107 ,  A61B5/0059 ,  A61B5/02416 ,  A61B5/681 ,  A61B5/6824 ,  A61B2562/0219

Abstract: A wearable device is illustrated. The wearable device has a body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The wearable device is suitable for wearing on a wrist of a user. The light emitting unit is disposed on an inner side of the body, and the light emitting unit emits a light beam illuminating at least a portion of the wrist. The light sensing unit operatively senses the light beam reflected by the at least portion of the wrist and generates a light sensing signal. The action recognition module is configured to operatively determine a function that corresponds to an action of the user.

公开(公告)号：US20230248267A1

公开(公告)日：2023-08-10

申请号：US18135807

申请日：2023-04-18

Applicant: PIXART IMAGING INC.

Inventor： REN-HAU GU ,  CHUNG-WEN LO

IPC: A61B5/11

CPC classification number: A61B5/1123 ,  A61B5/1107 ,  A61B5/0059

Abstract: A wearable device is illustrated. The wearable device has a body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The wearable device is suitable for wearing on a movable part of a user. The light emitting unit is disposed on an inner side of the body, wherein the light emitting unit emits a light beam illuminating at least a portion of the movable part. The light sensing unit operatively senses the light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine a function that corresponds to an action of the user.

公开(公告)号：US20150268758A1

公开(公告)日：2015-09-24

申请号：US14219168

申请日：2014-03-19

Applicant: PIXART IMAGING INC.

Inventor： CHUNG-WEN LO ,  KEN CRANDALL ,  HSIN-CHIA CHEN ,  RAMAN SAHGAL

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0416

Abstract: There is provided a concurrent driving capacitive touch sensing device including a drive end, a capacitive sensing matrix and a detection end. The capacitive sensing matrix includes a plurality of drive electrodes and sense electrodes crossing to each other. The drive end is configured to concurrently input cycle data of encoded and modulated drive signals into the drive electrodes. The detection end is coupled to one of the sense electrodes and configured to acquire a predetermined number of sampled values corresponding to the cycle data associated with the coupled sense electrode and generate a response signal to the drive end according to the sampled values, wherein the drive end resends the cycle data according to the response signal.

Abstract translation: 提供了包括驱动端，电容感测矩阵和检测端的并行驱动电容式触摸感测装置。 电容感测矩阵包括彼此交叉的多个驱动电极和感测电极。 驱动端被配置为将编码和调制的驱动信号的周期数据同时输入到驱动电极中。 检测端耦合到感测电极中的一个并且被配置为获取对应于与耦合的感测电极相关联的周期数据的预定数量的采样值，并根据采样值产生到驱动端的响应信号，其中驱动 根据响应信号重新发送循环数据。