公开(公告)号：US20230154496A1

公开(公告)日：2023-05-18

申请号：US17913351

申请日：2021-03-25

Applicant: Sony Interactive Entertainment Inc.

Inventor： Kazuto NAKAGAWA

IPC: G11B17/051 ,  G11B17/028

CPC classification number: G11B17/051 ,  G11B17/028

Abstract: A conveying roller position manipulation mechanism moves the position of a conveying roller between a first roller position where the conveying roller contacts an optical disc and a second roller position where the conveying roller is separated from the optical disc. A centering mechanism aligns the center of the optical disc with the position of a spindle motor. A chucking pulley operation mechanism manipulates the position of a chucking pulley configured to fix the optical disc to the spindle motor. The conveying roller position manipulation mechanism includes a rotary arm configured to move in response to a collision with the optical disc that approaches the position of the spindle motor, and at least one of the centering mechanism and the chucking pulley operation mechanism includes a member coupled to the rotary arm.

公开(公告)号：US20230162760A1

公开(公告)日：2023-05-25

申请号：US17913366

申请日：2021-03-25

Applicant: Sony Interactive Entertainment Inc.

Inventor： Jun SAKAMOTO ,  Kazuto NAKAGAWA

IPC: G11B17/051

CPC classification number: G11B17/051

Abstract: There is provided an optical disc drive that can guide the center of an optical disc to the position of a spindle motor, while allowing the number of components to be reduced. A base frame includes a stopper portion that comes into contact with an outer edge of the optical disc having reached the position of a spindle motor and that restricts backward movement of the optical disc. A switch arm includes a contact portion located on a side opposite to the stopper portion across the optical disc having reached the position of the spindle motor, and the switch arm uses the contact portion to push the optical disc toward the stopper portion.

公开(公告)号：US20250037741A1

公开(公告)日：2025-01-30

申请号：US18911425

申请日：2024-10-10

Applicant: Sony Interactive Entertainment Inc.

Inventor： Jun SAKAMOTO ,  Kazuto NAKAGAWA

IPC: G11B17/051

Abstract: There is provided an optical disc drive that can guide the center of an optical disc to the position of a spindle motor, while allowing the number of components to be reduced. A base frame includes a stopper portion that comes into contact with an outer edge of the optical disc having reached the position of a spindle motor and that restricts backward movement of the optical disc. A switch arm includes a contact portion located on a side opposite to the stopper portion across the optical disc having reached the position of the spindle motor, and the switch arm uses the contact portion to push the optical disc toward the stopper portion.