Drive and positioning method and system for automated switch...

Details Drive and positioning method and system for automated switch... Drive and positioning method and system for automated switch...

2011-08-02

2011-08-02

Tsang, Fan (Department: 2614)

Telephonic communications

Centralized switching system

Structure of equipment

C379S306000

Reexamination Certificate

active

07991145

ABSTRACT:
A method and system for automating a switch matrix board for cross-connecting any line in a set of input lines to any line in a set of output lines, to be used e.g. in automating cross-connects for line pairs in a central office main distribution frame (MDF) of a telecommunication network. The switch matrix (100) comprises a plurality of contact sledges (130) driven by a plurality of sledge positioning screws (120) that slidably engage a plurality of main contact pads (110) to cross-connect the lines. In an embodiment of the invention, two electric motors cooperate to position a lateral drive gear (158) to engage and rotate a selected sledge positioning screw (120), which moves the contact sledge. In another embodiment, a single electric motor operates together with a magnetic clutch assembly (180) to position the lateral drive gear to rotate the sledge positioning screw (120). A controller unit is connected to a position detection system and to the motors to accurately position the contact sledge (130) on the switch matrix board.

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patent: 0239473 (2002-05-01), None

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