Patent ID: 7717577

Claim:
A rearview mirror device comprising: an elongated mirror body consisting of a first curved section having two opposite ends, and second and third curved sections extending integrally and respectively from said opposite ends of said first curved section, said first curved section having a radius of curvature larger than a radius of curvature of said second curved section and a radius of curvature of said third curved section, a ratio of the radius of curvature of said first curved section to the radius of curvature of either one of said second and third curved sections being not greater than 1.65; and a housing including a frame body with first and second mounting portions, each of said second and third curved sections being mounted on a respective one of said first and second mounting portions of said frame body; wherein said first curved section has a length measured along a longitudinal axis and ranging from 190 mm to 250 mm, and each of said second and third curved sections has a length measured along the longitudinal axis and ranging from 40 mm to 65 mm.