On-vehicle display unit
US6443573B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 19, 2001 |
| Grant date | Sep 3, 2002 |
| Priority date | — |
| Expiry date | Jul 19, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/006
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An on-vehicle display unit projects an image, which is displayed on a display in a dashboard, on a screen disposed outside the dashboard. The screen is transparent so that the foreground is visible through the screen with the image projected on the screen being superimposed over the foreground. A reflecting mirror is disposed in the dashboard for reflecting light emitted from the image displayed on the display toward the screen. A semi-transparent mirror is disposed in the dashboard between the display and the reflecting mirror. The semi-transparent mirror is able to pass partially and to reflect partially light emitted from the image on the display. An angle changing mechanism selectively changes the semi-transparent mirror relative to a longitudinal direction of the vehicle into a first inclination angle position or into a second inclination angle position. The semi-transparent mirror partially reflects the light emitted from the image displayed on the display toward the screen when the semi-transparent mirror is at the first inclination angle position, and the semi-transparent mirror partially reflects the light reflected by the reflecting mirror toward the screen when the semi-…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.