Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Reexamination Certificate
2005-08-09
2005-08-09
Reichard, Dean A. (Department: 2831)
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
C174S050000, C174S050520, C174S050540, C174S053000, C174S054000, C174S055000, C174S059000, C174S060000, C174S068300, C361S727000, C361S728000, C361S730000, C361S752000, C361S796000, C361S600000, C361S803000, C361S827000, C220S003200, C220S003800, C220S241000, C220S242000
Reexamination Certificate
active
06927336
ABSTRACT:
An interworking interface module for telecommunication switching systems has multiple interworking terminal I/O ports, tracking terminal I/O ports, and system terminal I/O ports, and an indicator lamp are mounted on the external panels of a mounting frame. Multiple connection modules are attached onto the inner surface of a mounting frame used for setting up interconnection between the above terminal I/O ports. Each connection module comprises a switching means, such that a terminal separated from the system connection is automatically switched to connect to a terminal resistor to damp any line oscillation due to open connection. Using the connection modules to interconnect the above terminals of the invention, the present invention is able to reduce the necessary interconnecting components and simplify the procedures for assembling a transit exchange platform, while the original service quality with respect to a line connection is maintained.
REFERENCES:
patent: 5255322 (1993-10-01), Farinelli et al.
patent: 5832073 (1998-11-01), Hannigan et al.
patent: 5834693 (1998-11-01), Waddell et al.
patent: 6611739 (2003-08-01), Harvey et al.
patent: 6765791 (2004-07-01), Syring et al.
Harris Anton B.
Reichard Dean A.
Rosenberg , Klein & Lee
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