| 摘要 |
A right-angle connector unit used for electrical and removable connection between first and second printed circuit boards (600, 700), which comprises two right-angle connectors (100, 200) of printed circuit boards having base portions to be mounted to the first and the second printed circuit boards, vertical portions, and contacts of conductor patterns extending in parallel with each other between the base portions and the vertical portions and having different lengths, and a cable connector (400) having a flexible flat cable connecting between the vertical portions of the two right-angle connectors in a state where the flexible flat cable is twisted by an angle of 180 degree along a longitudinal direction thereof, the flexible flat cable having conductors which are equal to each other in length. A plurality of signal passes established between first and second printed circuit boards by contacts of the two right-angle connectors and the conductors of the flat cable connectors are equal to each other in length. The cable connector may comprise a bundle of discrete cables, a flexible printed cable, a bundle of coaxial cables, or a bundle of drained coaxial cable instead of the flexible flat cable.
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