Abstract: A connector comprises a plug and a socket. The plug has a main plug body, a plurality of contact pins projecting from the main plug body and including a contact pin for grounding, and a shielding member surrounding the plurality of contact pins. The socket has a main socket body, a plug receiving part provided on the main socket body for receiving the shielding member, a plurality of contact portions provided within the plug receiving part for making contact with corresponding ones of the plurality of contact pins and including a first contact portion for making contact with the contact pin for grounding, and a second contact portion provided on the main socket body for making contact with the shielding member. The plug is detachably coupled to the socket by inserting the shielding member into the plug receiving part. The first and second contact portions are made of a single contact member.

Abstract: An optical transmitting and/or receiving module comprises an optical plug comprising a housing which is provided with at least one ferrule assembly having an optical fiber therein, a main receptacle body connected to the optical plug, and an optical link assembly comprising a substrate. The substrate has at least one optical semiconductor element and circuit elements for signal processing fixed thereon. The optical link assembly is fixed to the main receptacle body so that the at least one optical semiconductor element opposes a tip end of the optical fiber of the optical plug and a surface of the substrate is perpendicular to an optical axis of the optical fiber.

Abstract: An electronic circuit module having a magnetic base plate, a plurality of coils wound on the magnetic base plate, a circuit pattern formed on the surface of the magnetic base plate, a circuit component connected to the circuit pattern, and a plurality of lead pins mounted on the magnetic base plate for connecting external circuits. The magnetic base plate has projections along one side of it and the coils are wound on the projections.