File:Cdchip.jpg
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![File:Cdchip.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Cdchip.jpg/800px-Cdchip.jpg)
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Original file (1,000 × 697 pixels, file size: 449 KB, MIME type: image/jpeg)
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Summary
DescriptionCdchip.jpg |
English: The optical sensor array extracted from the laser optical pickup of a CD player. The three dark rectangles are photosensors which read the data from the disk, senses beam focus and senses beam centering on the disc's optical track. Two tracking photosensors, each adjacent to the signal photosensor on the center, helps the optical servo system to keep the laser beam on track. |
Source | Own work |
Author | Janke |
Permission (Reusing this file) |
Any use outside Wikipedia must state: "Photo by J-E Nyström 2010" |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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- 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.
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image/jpeg
3df0b0b0db2933c71bf54c6885b784f8ee3d0b09
459,540 byte
697 pixel
1,000 pixel
200
0.066666666666667 second
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 13:59, 27 March 2010 | ![]() | 1,000 × 697 (449 KB) | Janke~commonswiki | {{Information |Description={{en|1=The optical chip extracted from a CD player.}} |Source={{own}} |Author=Janke |Date= |Permission= |other_versions= }} |
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Metadata
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Camera manufacturer | Canon |
---|---|
Camera model | Canon EOS 550D |
Author | J-E Nystrom |
Copyright holder | (C)2010 |
Exposure time | 1/15 sec (0.066666666666667) |
F-number | f/0 |
ISO speed rating | 200 |
Date and time of data generation | 15:35, 27 March 2010 |
Lens focal length | 0 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS Macintosh |
File change date and time | 15:47, 27 March 2010 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 15:35, 27 March 2010 |
Shutter speed | 4 |
Exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 40 |
DateTimeOriginal subseconds | 40 |
DateTimeDigitized subseconds | 40 |
Color space | sRGB |
Focal plane X resolution | 5,728.1767955801 |
Focal plane Y resolution | 5,808.4033613445 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
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