Camera device
US11953708B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2021 |
| Grant date | Apr 9, 2024 |
| Priority date | — |
| Expiry date | Feb 5, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R11/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera device includes a first filter configured to restrict a transverse wave component of incident light having light of a plurality of different wavelength bands generated based on birefringence in a car film from a vehicle to which the car film is adhered, a lens on which a vertical wave component of the incident light transmitted through the first filter is incident, a second filter configured to restrict a vertical wave component of the incident light in a visible region among the vertical wave component of the incident light imaged by the lens, and an imaging element configured to image the vehicle as a subject based on a vertical wave component of the incident light in a near-infrared region transmitted through the second filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.