Boots – shoes – and leggings
Patent
1993-12-16
1996-04-02
Voeltz, Emanuel T.
Boots, shoes, and leggings
39518319, G01R 3102
Patent
active
055046894
ABSTRACT:
Disclosed are an apparatus and method preferably for testing personal computer (PC) bus transmission line characteristics. The apparatus comprises: (1) a plurality of transmission line segments having different physical dimensions, each of the plurality of segments having a different electrical effect on signals transmitted thereon and (2) a switching circuit capable of coupling successive ones of the plurality of segments to an external conductor, an electrical characteristic of the external conductor affected by the coupling of the successive ones of the plurality of segments thereto, the apparatus permitting signals to pass through the external conductor and a selected one of the plurality of segments via the switching circuit. The apparatus allows a determination of a susceptibility of the external conductor to changes in transmission line electrical characteristics brought about by various possible combinations of peripheral expansion bus cards.
REFERENCES:
patent: 4847838 (1989-07-01), Kralik
patent: 4858231 (1989-08-01), Patterson
patent: 5218307 (1993-06-01), Hiller
patent: 5313595 (1994-05-01), Lewis et al.
patent: 5359235 (1994-10-01), Coyle et al.
Fiebrich Gregory R.
Mobley James B.
Dell USA L.P.
Garrana Henry
Peeso Thomas
Turner Michelle
Voeltz Emanuel T.
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