Structure for wireless communication in an electromagnetically s

Details Structure for wireless communication in an electromagnetically s Structure for wireless communication in an electromagnetically s

1987-03-06

1990-07-10

Olms, Douglas W.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

174 35MS, 2505171, 343841, 381 79, 455 41, 455 55, 455300, 455600, H04B 900

Patent

active

049412078

ABSTRACT:
A structure for wireless communication in an electromagnetically shielded building has an outer wall made of an electromagnetically shielding material such as concrete or an electrically conductive material. The outer wall has a window composed of a glass pane with an electromagnetically shielding material coated thereon or mixed therein. The outer wall and the window are grounded, and jointly define an electromagnetically shielded space in which wireless transmission/reception devices are disposed. Wireless communication is effected between the wireless transmission/reception devices by radio waves in a selected frequency range and of a selected power output.

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patent: 4474676 (1984-10-01), Ishino et al.
patent: 4613530 (1986-09-01), Hood et al.
patent: 4668958 (1987-05-01), Keiser

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