Dai-ichi Seiko Co., Ltd.

Tomoyuki Uchida

Walls are erected at both ends of an arrangement of first contacts and at locations that partition the first contacts for each signal to be transmitted, project at both ends of an arrangement of second contacts and at locations that partition the second contacts for each pair of differential signals to be transmitted, and therewith are connected to ground electrodes of a circuit board. A first shell, a second shell, and the like are mounted to a first housing and a second housing in such a manner as to be spaced apart from and cover the first contacts, the second contacts, and the walls and are connected to ground electrodes of the circuit board.

Electrical connector

A receptacle connector is mounted on a board and is to be connected to a plug connector. An insulative housing is to be fitted to a housing of the plug connector. A plurality of electrically conductive contacts is arranged on the housing and connected to terminals (ground terminal and signal terminal) on the board, and are to be connected to electrically conductive contacts of the fitted plug connector. Among the plurality of contacts, at least one of a first contact and a second contact is configured so that the position at which the contact is in contact with a terminal (signal terminal or ground terminal) on the board can be adjusted, the first contact being connected to the signal terminal on the board, and the second contact being connected to the ground terminal on the board.

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Machida, Japan

Tomoyuki Uchida