OPTICAL DEVICE FOR CAMERA TESTING
| dc.citation.patentcountry | USA | zh_TW |
| dc.citation.patentnumber | 20140049844 | zh_TW |
| dc.contributor.author | Pan Jui-Wen | en_US |
| dc.date.accessioned | 2014-12-16T06:14:50Z | |
| dc.date.available | 2014-12-16T06:14:50Z | |
| dc.date.issued | 2014-02-20 | en_US |
| dc.description.abstract | An optical device is to be disposed between a test screen and a test camera that captures an image on the test screen through the optical device. The optical device includes first, second, third and fourth lenses arranged from a camera side to a screen side in the given order. The first lens has a shape factor ranging from −10 to 5, the second lens is a positive lens and has a shape factor ranging from −15 to 2, the third lens is a positive lens and has a shape factor ranging from −30 to 1, and the fourth lens is a positive lens and has a shape factor ranging from −30 to 1. A ratio of a focal length of the optical device to that of the test camera ranges from 1 to 80. | zh_TW |
| dc.identifier.govdoc | G02B009/34 | zh_TW |
| dc.identifier.uri | https://ir.lib.nycu.edu.tw/handle/11536/104952 | |
| dc.language.iso | zh_TW | en_US |
| dc.title | OPTICAL DEVICE FOR CAMERA TESTING | zh_TW |
| dc.type | Patents | en_US |