Electrical connectors – Electromagnetic or electrostatic shield – Multi-part shield body
Patent
1993-07-06
1994-05-17
McGlynn, Joseph H.
Electrical connectors
Electromagnetic or electrostatic shield
Multi-part shield body
439676, H01R 1300
Patent
active
053122739
ABSTRACT:
A shielded modular jack is provided for interfacing a modular plug with a printed circuit board. The plug has an external conductive shield, and the jack includes a dielectric housing having a plug-receiving cavity. A plurality of terminals are mounted on the housing with resilient cantilevered contact arms extending into the cavity for engaging respective contacts of the plug when the plug is inserted into the cavity. An electrically conductive shield includes a pair of electrically isolated shield portions each having a board contact projecting beyond the housing for contacting a circuit trace on the printed circuit board, along with a shield wall disposed in the plug-receiving cavity for electrically contacting the shield on the plug when the plug is inserted into the cavity. The inserted plug electrically couples the shield portions and, thereby, establishes electrical continuity between the circuit traces on the printed circuit board. A shunt module is inserted into a second cavity part in the jack housing. The shunt module includes a dielectric housing mounting at least a pair of normally closed shunt terminals each including a board contact projecting beyond the housing for contacting a circuit trace on the printed circuit board. One of the shunt terminals has an actuating portion projecting into the plug-receiving cavity for engagement by the plug to open the normally closed shunt terminals when the plug is inserted into the plug-receiving cavity.
REFERENCES:
patent: 4725241 (1988-02-01), Bertini et al.
patent: 4878858 (1989-11-01), Dechelette
patent: 4959626 (1990-09-01), Mouissie
patent: 5228871 (1993-07-01), Goodman
patent: 5228872 (1993-07-01), Liu
Andre Marcel D.
Bouchan Christophe
Grandcluade Pascal
McGlynn Joseph H.
Molex Incorporated
Tirva A. A.
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