Facade construction for high structures

Details Facade construction for high structures Facade construction for high structures

1990-05-29

1992-06-09

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

Radio wave absorber

342 4, H01Q 1700

Patent

active

051211220

ABSTRACT:
In a facade construction of high-rise structures, a corresponding layer construction is provided for suppressing reflections of incident electromagnetic waves, particularly of radar waves. For this purpose, an electrical resistance layer which has a surface resistance in the range of 300 to 1200 .OMEGA. is arranged at a distance from a reflecting surface. The distance between the reflecting surface and the electrical resistance layer is approximately 1/4 of the wavelength in the propagation direction of incident electromagnetic waves to be suppressed.

REFERENCES:
patent: 3349397 (1967-10-01), Rosenthal
patent: 3737903 (1973-06-01), Suetake et al.
patent: 4012738 (1977-03-01), Wright
patent: 4038660 (1977-07-01), Connolly et al.
patent: 4162496 (1979-07-01), Downen et al.
patent: 4170010 (1979-10-01), Reed
patent: 4327364 (1982-04-01), Moore
"Tables for the Design of Jaumann Microwave Absorber", Nortier et al., Microwave Journal, Sep. 1987, pp. 219-222.
"Hochfrequenz-absorbierende Materialien", Dominik et al., Electromagnetische Vertraglichkeit ntz Bd. 41 (1988) Heft 5, pp. 280-283.

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