Communications: radio wave antennas – Antennas – With housing or protective covering
Reexamination Certificate
2005-01-07
2009-12-15
Chen, Shih-Chao (Department: 2821)
Communications: radio wave antennas
Antennas
With housing or protective covering
Reexamination Certificate
active
07633457
ABSTRACT:
A cladding plate (2) for a microwave antenna has a thickness which increases with the distance r from a point of minimum thickness (11) proportional to Formula (I) wherein ∈Ris the dielectric constant of the material of the cladding plate and a is a positive constant.
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patent: 6674412 (2004-01-01), Schmidt et al.
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patent: 789421 (2002-12-01), None
Tai, C. T. ed. “Radoms and Absorbers.” Antenna Engineering Handbook. New York: McGraw-Hill, US, 1961, pp. 3202-3212, XP002324724.
Chen Shih-Chao
Coats & Bennett P.L.L.C.
Ericsson AB
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