Title:
VENTILATION PORT AND EMI WAVEGUIDE FOR ELECTRONIC DEVICE
Document Type and Number:
Japanese Patent JP3720732
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a system which can be manufactured at a low cost which is for providing ventilation to an electronic device (3) and for suppressing radiation of EMI noise from the electronic device (3).
SOLUTION: In a ventilation port and EMI waveguide (80), a corrugated spring member (50) is compressed between a first plate (61) and a second plate (62) to demarcate a plurality of ducts (53, 54). Each duct has a depth (T) and a cross-sectional width (D). The spring member (50) is brought into electric contact with the first and second plates.
Inventors:
David M Chastain
Falk es side
Eric Sea Peterson
Falk es side
Eric Sea Peterson
Application Number:
JP2001164250A
Publication Date:
November 30, 2005
Filing Date:
May 31, 2001
Export Citation:
Assignee:
HEWLETT-PACKARD COMPANY
International Classes:
H05K7/20; H05K9/00; (IPC1-7): H05K9/00
Domestic Patent References:
| JP8162794A | ||||
| JP61034797U |
Attorney, Agent or Firm:
Satoshi Furuya
Kaoru Furuya
Takahiko Mizobe
Kaoru Furuya
Takahiko Mizobe
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