Methods for translating and reading optical disks

• US 6,957,440 B2
• Filed: 12/03/2003
• Issued: 10/18/2005
• Est. Priority Date: 11/25/1998
• Status: Expired due to Fees

• Current Assignee: Micron Technology, Inc.
• Original Assignee: Micron Technology, Inc.
• Inventors: Klein, Dean A.
• Primary Examiner(s): Watko, Julie Anne
• Application Number:
  US10/727,298
• Publication Number:
  US 20040109392A1
• Time in Patent Office: 685 Days
• Field of Search: 720/600, 720/652, 720/619, 720/617, 369/77.11, 369/75.11, 369/77.1, 369/75.1, 369/30.5, 369/30.62, 369/30.79, 369/30.85, 369/30.86, 369/30.9, 369/30.76, 369/30.94
• US Class Current: 720/600
• CPC Class Codes: G11B 17/26 the magazine having a cylindrical shape with vertical axis

Abstract

The present disclosure provides apparatus and methods for reading optical disks. Some implementations are particularly well suited for automatically playing both sides of a dual-sided optical disk. By coordinated delivery of disks between a disk reader, a disk transfer mechanism, or a disk turner and a carrousel that is approximately toroid shaped, both sides of a dual-sided optical disk can be automatically accessed.

Claims

1. A method of handling an optical disk that has a disk rotational axis for reading data, comprising:

(a) holding the optical disk in a carrousel;

(b) delivering the optical disk from the carrousel to a location within the carrousel by translating the optical disk in a first direction;

(c) rotating the optical disk about an axis that is substantially perpendicular to the disk rotational axis; and

(d) delivering the optical disk from the location to the carrousel by translating the optical disk in a direction opposite to the first direction.

2. The method of claim 1 wherein delivering the optical disk from the carrousel to a location within the carrousel comprises delivering the optical disk to an optical disk turner positioned within the carrousel and rotating the disk comprises rotating the disk turner to flip the orientation of the optical disk with respect to the carrousel.

3. The method of claim 1 further comprising delivering the optical disk to an optical reader.

4. The method of claim 1 further comprising delivering the optical disk to an optical reader that is positioned outside the carrousel.

5. The method of claim 1 further comprising rotating the carrousel about a carrousel axis that is substantially perpendicular to the disk rotational axis when the optical disk is held in the carrousel.

6. A method of reading data from an optical disk comprising:

(a) holding the optical disk in a carrousel;

(b) if data from the first side of the optical disk is to be read, then delivering the optical disk to an optical reader and reading the data; and

(c) if data from the second side of the optical disk is to be read, then;

delivering the optical disk from the carrousel to a turning mechanism within the carrousel by driving the optical disk in a first direction with a first side of the optical disk in a first orientation with respect to the carrousel,

rotating the disk with the turning mechanism to position the first side of the optical disk in a different second orientation with respect to the carrousel,

delivering the optical disk from the turning mechanism to the carrousel along by driving the optical disk in a direction opposite to the first direction with the first side of the optical disk in the second orientation with respect to the carrousel,

thereafter delivering the optical disk to the optical reader, and reading the data from the second side.

7. A method of reading data from an optical disk that has a disk rotational axis for reading the data, comprising:

(a) holding the optical disk in a carrousel;

(b) if data from the first side of the optical disk is to be read, then delivering the optical disk to an optical reader and reading the data; and

(c) if data from the second side of the optical disk is to be read, then;

delivering the optical disk to a turning mechanism,

rotating the optical disk about an axis that is substantially perpendicular to the disk rotational axis,

delivering the optical disk to the carrousel,

delivering the optical disk to the optical reader, and reading the data.

8. The method of claim 7 wherein delivering the optical disk from the carrousel to a location within the carrousel comprises delivering the optical disk to an optical disk turner positioned within the carrousel and rotating the disk comprises rotating the disk turner to flip the orientation of the optical disk with respect to the carrousel.

9. The method of claim 7 further comprising delivering the optical disk to an optical reader.

10. The method of claim 7 further comprising delivering the optical disk to an optical reader that is positioned outside the carrousel.

11. The method of claim 7 further comprising rotating the carrousel about a carrousel axis that is substantially perpendicular to the disk rotational axis when the optical disk is held in the carrousel.