File:Duarte's polarization rotator.jpg
Duarte's_polarization_rotator.jpg (376 × 266 pixels, file size: 13 KB, MIME type: image/jpeg)
Summary[edit]
| Description |
Broadband prismatic polarization rotator as described in F. J. Duarte US Patent 4822150 (1989). |
|---|---|
| Source |
US Patent 4822150 |
| Date |
1989 |
| Author |
F. J. Duarte |
| Permission (Reusing this file) |
See below.
|
- Other information
Originally published in a US patent and made available by the author to the www.
Licensing[edit]
 | In general, the contents of United States patents are in the public domain in the US.[1] In specific cases, patent applicants and holders may claim copyright in portions of those documents. In those specific cases, applicants are required to identify the portions that are protected under copyright, and are additionally required to state the following within the body of the application and patent: [2][3][4](archived) The original patent should be checked for the presence of such language before an assumption is made that the contents are in the public domain. This template can be replaced by {{PD-US-patent-no notice}} in such cases. |
 | This file was uploaded to Wikimedia Commons as File:FJ DUARTE POLARIZATION ROTATOR.jpg and deleted. Please check the reason for deletion on Commons before repeated transfer. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:33, 20 May 2013 | | 376 × 266 (13 KB) | Corrigendas (talk | contribs) | Uploading a public-domain item using File Upload Wizard |
You cannot overwrite this file.
File usage
The following file is a duplicate of this file (more details):
- File:FJ DUARTE POLARIZATION ROTATOR.jpg from Commons
