Variable area light reflecting assembly

Details Variable area light reflecting assembly Variable area light reflecting assembly

1985-09-05

1986-12-23

Wintercorn, Richard A.

G02B 1700

Patent

active

046308920

ABSTRACT:
Device for tracking daylight and projecting it into a building. The device tracks the sun and automatically adjusts both the orientation and area of the reflecting surface. The device may be mounted in either a wall or roof of a building. Additionally, multiple devices may be employed in a light shaft in a building, providing daylight to several different floors. The preferred embodiment employs a thin reflective film as the reflecting device. One edge of the reflective film is fixed, and the opposite end is attached to a spring-loaded take-up roller. As the sun moves across the sky, the take-up roller automatically adjusts the angle and surface area of the film. Additionally, louvers may be mounted at the light entrance to the device to reflect incoming daylight in an angle perpendicular to the device to provide maximum reflective capability when daylight enters the device at non-perpendicular angles.

REFERENCES:
patent: 284559 (1883-09-01), Hyatt
patent: 284963 (1883-09-01), Hyatt

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