Digital electrochromic mirror system
US6299315A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2001 |
| Grant date | Oct 9, 2001 |
| Priority date | — |
| Expiry date | Mar 28, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R1/088
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicular electrochromic rearview mirror system is provided including an interior electrochromic rearview mirror assembly and at least one exterior electrochromic rearview mirror assembly. The interior rearview mirror assembly has an interior electrochromic reflective element that assumes a partial reflectance level in response to a first drive signal applied thereto. The exterior rearview mirror assembly has an exterior electrochromic reflective element that assumes a partial reflectance level in response to a second drive signal applied thereto. A drive circuit is provided that supplies a first drive signal to the interior electrochromic reflective element and a second drive signal to the exterior electrochromic reflective element. The drive circuit variably controls a relationship between the partial reflectance levels of the interior reflective element and the exterior electrochromic reflective element by a control signal. The interior electrochromic reflective element has a partial reflectance level that is greater than or equal to the partial reflectance level of the exterior electrochromic reflective element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.