Telephonic communications – Centralized switching system – Structure of equipment
Reexamination Certificate
2007-08-10
2011-12-27
Jamal, Alexander (Department: 2614)
Telephonic communications
Centralized switching system
Structure of equipment
Reexamination Certificate
active
08085928
ABSTRACT:
Apparatus and methods provide for the isolation of an inactive cable pair from a bridged active cable pair. According to various embodiments, a bridge lifting block is installed in-line between control equipment and a cable connected to the bridged cable pairs. The bridge lifting block includes a first set of post pairs for connection to the control equipment and a second set of post pairs for connection to the cable block. Mini-bridge lifters are installed in the bridge lifting block between the sets of post pairs. The bridge lifting block may include two cable blocks linked together, with mini-bridge lifters installed in one and corresponding pass-through coils installed in the other. Alternatively, the bridge lifting block may include a single block body having two opposing sets of post pairs with intervening mini-bridge lifters. Additional control equipment may be installed between the bridge lifting block and cable block.
REFERENCES:
patent: 4371756 (1983-02-01), Fasano
patent: 4694488 (1987-09-01), Mickelson et al.
patent: 6438226 (2002-08-01), Guenther et al.
AT&T Intellectual Property I, LP
Hope Baldauff Hartman LLC
Jamal Alexander
LandOfFree
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