Installation for increasing the light yield on the playing...

Details Installation for increasing the light yield on the playing... Installation for increasing the light yield on the playing...

2005-03-29

2005-03-29

Nguyen, Judy (Department: 2851)

Optical: systems and elements

Building interior illumination with reflected, refracted or...

With reflection

C359S592000, C052S006000, C052S083000

Reexamination Certificate

active

06873465

ABSTRACT:
An installation for increasing the daylight yield in a stadium provided with a playing surface, stands, and optionally a covering, includes an essentially vertical light-reflecting body to guide the light incident on the body towards the playing surface in the stadium. Preferably the reflecting body is arranged along the free peripheral edge of the covering of the stadium. In one embodiment the reflecting body includes a multi-layer construction of two corrugated sheets with a light-reflecting foil between them. The installation can increase the light yield in a covered stadium by between 30% and 50%.

REFERENCES:
patent: 4283451 (1981-08-01), Abrahami
patent: 4831792 (1989-05-01), Berger
patent: 5010695 (1991-04-01), Schildge, Jr.
patent: 5035093 (1991-07-01), Parazader et al.
patent: 5394659 (1995-03-01), Kawaguchi et al.
patent: 5848499 (1998-12-01), Schildge, Jr.
patent: 26 45 410 (1978-04-01), None
patent: 31 03 715 (1982-09-01), None
patent: 11-232908 (1999-08-01), None

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