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United States as Represented by the Secretary of Agriculture
| United States as Represented by the Secretary of Agriculture Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20080283757 | Method and system for measuring optical properties of scattering and absorbing materials - A system and method for determining a level of effective residual ink concentration (ERIC) in a piece of recycled paper. The piece of paper is illuminated with a beam of radiation and an amount of the beam of radiation reflected and transmitted by the piece of paper is measured. The level of ERIC is determined as a function of the reflected and transmitted radiation. | 11-20-2008 |