Electromagnetic interference containment transceiver module

Details Electromagnetic interference containment transceiver module Electromagnetic interference containment transceiver module

2006-02-14

2006-02-14

Vu, Phuong T. (Department: 2841)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S799000, C361S816000, C361S818000, C439S607070

Reexamination Certificate

active

06999323

ABSTRACT:
An optical transceiver module characterized by reduced electromagnetic interference (“EMI”) emissions for improved operation is disclosed. The transceiver includes a housing formed by top and bottom housing portions that are joined to define a cavity. A printed circuit board (“PCB”) is positioned within the cavity and includes an edge connector extending from one housing end. The PCB also includes two holes defined near the edge connector and lined with electrically conductive material. Conductive plates located on both the top and bottom housing portions electrically connect with the conductive holes to electrically interconnect the top and bottom housing portions. Two posts on the top housing portion are received into the conductive holes to align the PCB with the housing portions. A chassis ground from one or both of the housing portions extends through the plates and holes to create a “chassis ground fence,” preventing EMI emission from within the transceiver cavity.

REFERENCES:
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patent: 5495358 (1996-02-01), Bartig et al.
patent: 5777856 (1998-07-01), Philips et al.
patent: 6431764 (2002-08-01), Scharf et al.
patent: 6472595 (2002-10-01), Huang
patent: 6497588 (2002-12-01), Scharf et al.
patent: 2002/0131122 (2002-09-01), Anderl et al.

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