How Can We Help?
Size of this preview: 557 × 599 pixels. Other resolutions: 223 × 240 pixels | 446 × 480 pixels | 714 × 768 pixels | 951 × 1,024 pixels | 1,812 × 1,950 pixels.
Original file (1,812 × 1,950 pixels, file size: 1,006 KB, MIME type: image/jpeg)
Summary
| Description |
English: The optical chip extracted from a CD player. The three dark rectangles are photosensitive, read the data from the disk and keep the beam focused. Electronic tracking, aided with the two photodiodes at the sides, keeps the laser beam centered on the middle of the data track. |
| Date | |
| Source | Own work |
| Author | Ashkananisi7 |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:12, 21 August 2022 | | 1,812 × 1,950 (1,006 KB) | Ashkananisi7 | Uploaded while editing "CD player" on en.wikipedia.org |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Global file usage
The following other wikis use this file:
- Usage on fa.wikipedia.org
Recent Comments