公开(公告)号：US20130229349A1

公开(公告)日：2013-09-05

申请号：US13777407

申请日：2013-02-26

Applicant: PIXART IMAGING INC.

Inventor： Hsin-Chia CHEN ,  Feng-Cheng YANG ,  Ching-Lin CHUNG ,  Wei-Yen KU ,  Ming-Tsan KAO

IPC: G06F3/042

CPC classification number: G06F3/0425 ,  G06F3/0317 ,  G06F3/03543 ,  G06F3/03547 ,  G06F3/0383 ,  G06F3/04883

Abstract: Optical imaging is used for touch input to implement device and method for gesture detection for better durableness, high resolution, simplifier structure, higher reliability, less power consumption, and faster response. A touch surface is provided for gesture operation thereon, and under light projecting to the touch surface, images are captured by receiving light from the touch surface. The varying images are monitored to detect if any gesture operates on the touch surface, and if a predefined gesture is detected, a gesture signal is generated.

Abstract translation: 光学成像用于触摸输入以实现用于手势检测的装置和方法，以实现更好的持久性，高分辨率，简化结构，更高的可靠性，更少的功耗和更快的响应。 提供用于在其上进行手势操作的触摸表面，并且在投射到触摸表面的光下，通过接收来自触摸表面的光来捕获图像。 监视变化的图像以检测是否有任何手势在触摸表面上操作，并且如果检测到预定义的手势，则生成手势信号。

公开(公告)号：US20130275007A1

公开(公告)日：2013-10-17

申请号：US13837518

申请日：2013-03-15

Applicant: PIXART IMAGING INC.

Inventor： Hsin-Chia CHEN ,  Horng-Goung LAI ,  Feng-Cheng YANG ,  Hui-Hsuan CHEN ,  Ching-Lin CHUNG ,  Ming-Tsan KAO

IPC: B60S1/08

CPC classification number: B60S1/0833 ,  B60S1/0844 ,  G06K9/00791 ,  G06K9/00832 ,  G06K9/209 ,  Y10S318/02

Abstract: There is provided an optical raindrop detector including a light source, a light guide, an image sensor and a processing unit. The light source alternatively emits light with different brightness values. The light guide has an incident surface, a detection surface and an ejection surface, wherein the light source emits incident light into the light guide via the incident surface, and a plurality of microstructures are formed on the ejection surface to reflect the incident light to become scattered light toward the detection surface. The image sensor receives reflected light formed by raindrops in front of the detection surface reflecting the scattered light to penetrate the light guide and eject from the ejection surface, and generates image frames corresponding to the different brightness values of the light source. The processing unit calculates differential images of the image frames to accordingly identify rain intensity.

Abstract translation: 提供了一种包括光源，光导，图像传感器和处理单元的光学雨滴检测器。 光源交替地发出具有不同亮度值的光。 光导具有入射面，检测面和喷射面，其中光源通过入射面将入射光发射到光导中，并且在喷射表面上形成多个微结构以反射入射光，成为 散射光朝向检测面。 图像传感器接收由检测表面前方的雨滴形成的反射光，反射散射光以穿透光导并从喷射表面弹出，并产生与光源的不同亮度值对应的图像帧。 处理单元计算图像帧的差分图像以相应地识别雨强度。

公开(公告)号：US20130229387A1

公开(公告)日：2013-09-05

申请号：US13777436

申请日：2013-02-26

Applicant: PIXART IMAGING INC.

Inventor： Hsin-Chia CHEN ,  Feng-Cheng YANG ,  Ching-Lin CHUNG ,  Wei-Yen KU ,  Ming-Tsan KAO

IPC: G06F3/042

CPC classification number: G06F3/042 ,  G06F3/0317 ,  G06F3/03543 ,  G06F3/03547 ,  G06F3/0383 ,  G06F3/0425 ,  G06F3/0488

Abstract: An optical touch device includes a touch surface having a position mapping relationship with entire or a part of a picture displayed on a monitor, detects the object contacting or suspending over the touch surface and the movement of the optical touch device, and generates an absolute position signal according to the position of the detected object to point to the mapped position of the picture, a relative movement signal according to the detected movement of the optical touch device, and a control signal corresponding to the mapped position according to the absolute position signal and the relative movement signal.

Abstract translation: 光学触摸装置包括与显示在监视器上的图像的全部或一部分具有位置映射关系的触摸表面，检测在触摸表面上接触或悬挂的物体以及光学触摸装置的移动，并产生绝对位置 根据检测对象的位置指示图像的映射位置的信号，根据检测到的光学触摸装置的移动的相对移动信号，以及根据绝对位置信号对应于映射位置的控制信号，以及 相对运动信号。