公开(公告)号：US20230328349A1

公开(公告)日：2023-10-12

申请号：US18336349

申请日：2023-06-16

Applicant: PIXART IMAGING INC.

Inventor： Hung-Yu LAI ,  Yen-Hung WANG ,  Wen-Yen SU ,  Hui-Hsuan CHEN

IPC: H04N23/54 ,  G05D1/02 ,  H04N23/55 ,  H04N23/56

CPC classification number: H04N23/54 ,  G05D1/0246 ,  H04N23/55 ,  H04N23/56 ,  G05D2201/0215

Abstract: There is provided a bottom cover for being covered on an optical system. The bottom cover is attached in front of the optical engine. The bottom cover has a bottom surface for facing a working surface when the optical system is moving on the working surface, a first opening for emission light of the optical engine to go through and a second opening for reflected light from the working surface to go through. The bottom cover is further formed with guiding protrusions protruded out from the bottom surface toward the working surface and surrounding at least the second opening to guide soft materials on the working surface to away from the second opening.

公开(公告)号：US20220365252A1

公开(公告)日：2022-11-17

申请号：US17557097

申请日：2021-12-21

Applicant: PIXART IMAGING INC.

Inventor： Hui-Hsuan CHEN ,  Yen-Hung WANG ,  Wen-Yen SU

IPC: G02B3/10 ,  G02B3/08 ,  B29D11/00 ,  G06F3/0354 ,  G06F3/03

Abstract: There is provided a lens including a first curved surface and a second curved surface. The first curved surface and the second curved surface have different focal distances and are arranged interlacedly along a radial direction of the lens.

公开(公告)号：US20220311915A1

公开(公告)日：2022-09-29

申请号：US17841582

申请日：2022-06-15

Applicant: PIXART IMAGING INC.

Inventor： Yen-Hung WANG ,  Wen-Yen SU ,  Hui-Hsuan CHEN ,  Hung-Yu LAI

IPC: H04N5/225 ,  G05D1/02

Abstract: There is provided an optical engine for a navigation device including a first light source, a second light source, a lens, a carrier member and an image sensor. The carrier member has a light holder, a lens holder, an accommodation space and a tilted wall. The first light source is arranged on the light holder of the carrier member, and reflected light associated with the first light source penetrates through the lens to propagate to the image sensor inside the accommodation space. Reflected light associated with the second light source penetrates through the tilted wall of the carrier member to propagate to the image sensor.