Communications: radio wave antennas – Antennas – With housing or protective covering
Reexamination Certificate
2006-01-31
2006-01-31
Chen, Shih-Chao (Department: 2821)
Communications: radio wave antennas
Antennas
With housing or protective covering
C343S705000
Reexamination Certificate
active
06992640
ABSTRACT:
A radome has a structure in which core portions are laminated to opposite side surfaces of a high relative-dielectric-constant layer, respectively, and skin portions are additionally laminated to opposite side surfaces of the laminate, respectively. Furthermore, the skin portions laminated to the outside surfaces are coated with a coating material. The radome accommodates an antenna. The high relative-dielectric constant layer has a relative dielectric constant that is larger than the relative dielectric constants of the skin portions, and of the core portions.
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“Antenna Engineering Handbook,”Institute of Electronics, Information and Communication Engineers, Oct. 30, 1980, pp. 301.
Ozaki Tsuyoshi
Tsuruta Jun
Usami Ryo
Chen Shih-Chao
Leydig , Voit & Mayer, Ltd.
Mitsubishi Denki & Kabushiki Kaisha
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