Electricity: conductors and insulators – Boxes and housings – With grounding means
Patent
1997-10-30
1999-08-10
Reichard, Dean A.
Electricity: conductors and insulators
Boxes and housings
With grounding means
174 59, H05K 502
Patent
active
059361980
ABSTRACT:
The present invention provides a housing for holding a rack of equipment(210), the housing comprising a main enclosure portion (200) for retaining the rack (210), and the main enclosure portion (200) comprising a conductive wall (310). A wiring portion (205) distinct from said main enclosure portion (200) is also provided for receiving one or more wires (220) to be routed to said rack (210), the wires (220) being routed through said conductive wall (310) to said rack (210), and an outer portion of the wires (200) being earthed against said conductive wall (310), thereby inhibiting the transmission of noise along said wires (220) to said rack (210).
Hence, by ensuring that the main enclosure portion (200) has at least one conductive wall (310), and that the wires (220) are routed from the wiring portion (205) to the main enclosure portion (200) via that conductive wall (310), and earthed as they pass through the conductive wall (310), a simple mechanism is provided for effectively inhibiting the transmission of noise along the wires (200) to the rack (210).
REFERENCES:
patent: 3210609 (1965-10-01), Appleton
patent: 5012042 (1991-04-01), Summach
patent: 5510574 (1996-04-01), Wu
patent: 5574256 (1996-11-01), Cottone
patent: 5655837 (1997-08-01), Ridley et al.
Airspan Communications Corporation
Reichard Dean A.
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