Patent · US Expired

Automatic rearview mirror for automotive vehicles

US4443057A · kind A · utility

483Cited by
4References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 1, 1981
Grant dateApr 17, 1984
Priority date
Expiry dateJun 1, 2001

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R1/087
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

An improved inside rearview mirror particularly adapted for use with automotive vehicles, the mirror incorporating improved means for detecting and comparing the relative brightness of light forwardly and rearwardly of the vehicle and improved means responding automatically to annoying glare from the rear of the vehicle to move a reflective element from a full reflective mode to a partial reflective mode and also automatically return the reflective element to a full reflective mode after the source of the annoying glare is removed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.