Infrared imaging system
US9618660B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Feb 13, 2015 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | Feb 13, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B3/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An infrared imaging system used for infrared rays of wavelength of 5 micrometers or greater, the system including, from the object side to the image side, an aperture, a lens made of synthetic resin and an imaging element, the object side surface of the lens being convex to the object side in the paraxial area, wherein F-number of the system is 1.4 or smaller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.