| 主权项 |
1. A circuit board connecting device for putting first and second separate circuit boards in mutual electrical connection comprising;
a first electrical connector provided to be mounted on the first separate circuit board, said first electrical connector having a first housing provided thereon with an engaging recess with a bottom portion on which a first through hole is formed, a plurality of first signal contacts provided on the first housing, each of which has a first contacting portion fixed to a recess forming portion of the first housing in which the engaging recess is formed and a first board connecting portion put in the first through hole to be connected with the first separate circuit board, and a conductive shell provided for covering wholly an outer peripheral surface of the first housing surrounding the engaging recess; and a second electrical connector provided to be mounted on the second separate circuit board, said second electrical connector having a second housing provided thereon with a second through hole and operative to be put in the engaging recess provided on the first housing so as to engage with the engaging recess, and a plurality of second signal contacts provided on the second housing, each of which has a second contacting portion attached to an outer surface of the second housing and a second board connecting portion put in the second through hole to be connected with the second separate circuit board; wherein when the second housing is put in the engaging recess provided on the first housing so as to engage with the engaging recess, the second contacting portion of each of the second signal contacts is in contact with the first contacting portion of a corresponding one of the first signal contacts and the first and second signal contacts are surrounded by the conductive shell. |
