Surface condition monitoring apparatus
US10365206B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 21, 2017 |
| Grant date | Jul 30, 2019 |
| Priority date | — |
| Expiry date | Sep 21, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/945
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Provided is a surface condition monitoring apparatus including: a transparent member; a transmission unit including a transmitter that transmits electromagnetic waves from one side of the transparent member toward the other side; and a reception unit including a receiver that detects the electromagnetic waves that enter the one side of the transparent member from the other side, the transmission unit and the reception unit being arranged such that the receiver detects scattered waves of the electromagnetic waves transmitted from the transmitter, that enter the one side from the other side, the transmission unit being configured to be capable of transmitting a plurality of electromagnetic waves having different wavelengths, and the reception unit being configured to detect intensities of the scattered waves of the electromagnetic waves at different positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.