Optical device
US10640090B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2018 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Sep 16, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60S1/0848
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An optical device includes an optical unit that is disposed with a closed space interposed between the optical unit and a windshield glass and is configured to acquire information of an outside of a vehicle cabin through the windshield glass, a heating unit that heats the closed space, an opening and closing unit that is disposed in an air flow path between the closed space and a vehicle cabin internal space and controls communication of air between the closed space and the vehicle cabin internal space, and a controller that controls an open and closed state of the opening and closing unit based on either an outside air temperature of a vehicle or a difference in humidity acquired by subtracting a humidity of the vehicle cabin internal space from a humidity of the closed space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.