Telephonic communications – Centralized switching system – Structure of equipment
Patent
1989-11-02
1990-12-25
Dwyer, James L.
Telephonic communications
Centralized switching system
Structure of equipment
337 32, 379332, H02H 906
Patent
active
049809091
ABSTRACT:
An individual telephone subscriber circuit module for use with laminar type connector blocks employing conventional three-element gas tubes of diameter greater than the thickness of an individual lamina. The module houses two gas tubes in side-by-side relation and straddles two adjacent laminae on the block to protect a pair of adjacent circuits.
REFERENCES:
patent: 4422121 (1983-12-01), Baumbuch
patent: 4573100 (1986-02-01), Fasano
Fasano Michael
Meyerhoefer Carl
Visconti Peter
Dwyer James L.
Porta Systems Corp.
Temko Charles E.
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