Plug connector and socket connector

Claim 2

The plug connector according to claim 1, wherein said second plug contact (103) is formed on a ground plate (75) made of a single conductive plate and/or said insulator (69) and said ground plate (75) being opposed to said extending portion in a third direction intersecting to said first and said second directions opposed to said extending portion through said insulator (69).

Claim 3

The plug connector according to claim 1 or 2, wherein said counter connector fitting portion (65) is formed as a plug side fitting portion of a non-socket.

Claim 4

The plug connector according to claim 2 or 3, wherein said ground plate (75) has such a shape that it can sandwich by itself the FPC through said second plug contact (103).

Claim 5

The plug connector according to one of claims 1 to 4, further comprising on its periphery a shell (71) slidably movable in said first direction, wherein said shell (71) has a slider portion (85) for moving said FPC in said first direction so as to bring the FPC into a contact with said contacts when the FPC is connected, said shell (71) preferably has a loosening stopper means (133) for preventing said FPC from being loosened when it is connected and/or said shell (71) is formed of an integral part with said slider portion (85), and/or said slider portion (85) is made of sheet-like electrical material formed only of a single part.

Claim 6

The plug connector according to claim 5, further comprising a locking means (119) for preventing said FPC from being loosened, wherein said locking means (119) has a protrusion portion (127) projecting in said second direction of said insulator (69) and a spring portion (121) having a hole (123) provided on said shell (71) correspondingly to the protrusion (127) of said insulator, said locking means (119) being also formed so as to be easily releasable by using a jig (129).

Claim 7

The plug connector according to claim 1, wherein each of said second plug contacts (103) has a surface contact portion provided in a FPC fitting portion (67) and a connecting portion connected to a ground plate (75) opposite to said surface contact portion, said surface contact portion and said ground plate sandwiching the FPC (111) to contact with ground patterns formed on one surface and another surface of the FPC (111), respectively, whereby transmissions of ground signals are performed reliably and perfectly.

Claim 8

The plug connector according to claim 1, wherein said conduct plate and said second plug contacts (103) are formed with a single ground plate (75), said extending portion of said first plug contacts (73, 95) being disposed on one surface of said counter connector fitting portion (65), said ground plate (75) being extended opposed to said extending portion through said insulator (69) and disposed on another surface of the counter connector fitting portion (65).

Claim 9

A high speed transmission connector comprising a plug connector (63) and a socket connector (135) to be connected to each other along a first direction, said plug connector (63) comprising a counter connector fitting portion (65) to be connected to a counter connector (135) along a first direction and provided at one end of an insulator (69), and a FPC fitting portion (67) to be connected to a FPC (111) or FFC similarly along the first direction and elongated along a second direction intersecting to said first direction at the other end of the insulator (69), said socket connector (135) comprising a plug connector fitting portion (137) to be connected to the plug connector (63) along the first direction and a substrate connecting portion (139) to be soldered onto a substrate; said FPC fitting portion (67) containing a plurality of contactors each comprising a pair of two first plug contacts (73, 95) arranged along said second direction perpendicular to the first direction and a second plug contact (103) disposed between the pair first plug contacts (73, 95) for sending a ground signal, said pair of first (73, 95) and said second (103) plug contacts being plate springs and contacting to said FPC or FFC in a third direction intersecting to said first and said second directions, said one end of said insulator (69) being formed into a plate shape at one end, each of said first plug contacts (73, 95) having an extending portion extending in the first direction on said one end of said insulator (69), said counter connector fitting portion (65) being formed in the form of a plate which comprises said extending portion, said counter connector fitting portion (65) having a non-pin structure, said plug connector (63) containing a plug side signal contact and a plug side ground contact, both provided at the socket connector fitting portion (65) to be connected to the plug connector fitting portion (137), said plug connector fitting portion (137) having a first socket contact (143, 167) coming into contact with the plug side signal contact and a second socket contact (145, 163) coming into contact with the plug side ground contact; said first and said second socket contacts being disposed so as to enclose the socket connector fitting portion (65) along a forth direction perpendicular to the first direction such that they oppose each other along a fifth direction perpendicular to the first and forth directions.

Claim 10

The high speed transmission connector as claimed in claim 9, wherein said first socket contact (143, 167) has a contact portion (167) for elastically contacting with the counter connector's signal contact and a soldering terminal portion (171) to be soldered onto a substrate, said second socket contact (145, 163) containing a contact portion (163) of a ground plate (145) for elastically contacting with the counter connector's ground contact, said ground plate (145) further having a soldering terminal portion (175) to be soldered to a substrate.

Claim 11

The high speed transmission connector as claimed in claim 9 or 10, wherein said second plug contacts (103) are formed on a ground plate (75) formed of a single conductive plate.

Claim 12

The high speed transmission connector as claimed one of claims 9 to 11, wherein said first plug contact (73, 95) has an extending portion extending along the first direction, said counter connector fitting portion (65) having a sheet-like structure comprises said extending portion, said insulator (69) and said ground plate (75) opposing said extending portion via said insulator (69) in a third direction perpendicular to the first and second directions.

Claim 13

The high speed transmission connector according to claim 9, wherein each of said second plug contacts (103) has a surface contact portion provided in a FPC fitting portion (67) and a connecting portion connected to a ground plate (75) opposite to said surface contact portion, said surface contact portion and said ground plate (75) sandwiching the FPC (111) to contact with ground patterns formed on one surface and another surface of the FPC, respectively, whereby transmissions of ground signals are performed reliably and perfectly.

Claim 14

The high speed transmission connector according to claim 9, wherein said conduct plate and said second plug contacts (103) are formed with a single ground plate (75), said extending portion of said first plug contacts (73, 95) being disposed on one surface of said counter connector fitting portion (65), said ground plate (75) being extended opposed to said extending portion through said insulator (69) and disposed on another surface of the counter connector fitting portion (65).