Communications: directive radio wave systems and devices (e.g. – Radio wave absorber – With particular geometric configuration
Patent
1993-08-03
1994-12-13
Barron, Jr., Gilberto
Communications: directive radio wave systems and devices (e.g.,
Radio wave absorber
With particular geometric configuration
342 1, H01Q 1700
Patent
active
053732960
ABSTRACT:
An electromagnetic wave absorber has a pair of electromagnetic wave absorbing plates (10,11) made of ohmic resistance loss material with top portions (10a,11a) and bottom portions (10b,11b), and a common bottom support member (12) for supporting the bottom portions (10b,11b) of the plates (10,11). In assembled state, the top portions (10a,11a) of the plates (10,11) are fixed with each other and the bottom portions (10b,11b) of the plates (10,11) are fixed by the bottom support member (12) so that the plates (10,11) form an wedge shape.
REFERENCES:
patent: 2464006 (1949-03-01), Tiley
patent: 4023174 (1977-05-01), Wright
patent: 5113190 (1992-05-01), Klein
"Numerical analysis of Plane-Wave Reflection from Double Periodic Absorber Structures", B. L. Michielsen, L. Leyton, R. W. C. van der Veeken (Philips Research Laboratories (pp. 551-556).
"Improved Low-Frequency Performance of Pyramid-Cone Absorbers . . . " Edward F. Kuester and Christopher L. Holloway (Electromagnetics Lab, Dept. of Electrical & Computer Engineering-University of Colorado, Session 6C (pp. 394-399).
Hashimoto Yasuo
Ishino Ken
Saitoh Toshifumi
Toyoda Ken
Barron Jr. Gilberto
TDK Corporation
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