Optical: systems and elements – Mirror – Plural mirrors or reflecting surfaces
Patent
1998-06-11
2000-06-13
Spyrou, Cassandra
Optical: systems and elements
Mirror
Plural mirrors or reflecting surfaces
359866, 359883, B02B 7182
Patent
active
06074068&
ABSTRACT:
The disclosure is related to a mirror device for use particularly as a side view mirror for automobiles. Side view mirrors presently in common use comprise of plane mirrors, and are required to be of a limited size. Because of the required small size, the directional range of view such mirrors provide to the driver is quite limited, and leave out of view certain directional ranges which are important from the safety point of view. It is the purpose of this invention to enhance the directional range of view to include within the view of the driver the region on the side commonly known as the blind spot. The device of the invention makes this possible without increasing the size of the mirror, or without causing significant disadvantages. This is made possible by providing a zig-zag surface for the mirror at appropriate offset angle, so that two separate ranges of directional view which are contiguous without overlap are achieved. In a preferred mode, the mirror could comprise of a transparent sheet with appropriate surface contours, a reflector coating and a support backing.
REFERENCES:
patent: 1808740 (1931-06-01), Weatherbee
patent: 3806232 (1974-04-01), Gray
patent: 4632524 (1986-12-01), Blom
patent: 4738519 (1988-04-01), Stewart
patent: 5337181 (1994-08-01), Kelly
patent: 5847889 (1998-12-01), Komiyama et al.
Cherry Euncha
Spyrou Cassandra
LandOfFree
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