Safety device for communication equipment

Details Safety device for communication equipment Safety device for communication equipment

1986-03-27

1987-09-08

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

361 93, 361105, 361111, 361119, H02H 320

Patent

active

046928332

ABSTRACT:
A safety device for protecting communications equipment that is coupled to a communications line. The device includes a safety connector having overcurrent and overvoltage protection means therein for connecting the communications line to ground upon occurrence of an overcurrent or overvoltage on the line. The safety device includes a housing and receptacles for connecting to input and output terminals of the communications line and to a ground terminal, wherein the terminals are on a terminal stand that serves many communications lines and receives many safety devices thereon. The overcurrent protection means employs a bimetal element that is heated by a heating coil connected in the communication's line. The overvoltage protection means includes a gas discharge tube which also may include bimetal elements.

REFERENCES:
patent: 3716757 (1973-02-01), Rodriguez
patent: 4074337 (1978-02-01), Debortoli et al.
patent: 4288833 (1981-09-01), Howell
patent: 4313147 (1982-01-01), Uchida et al.
patent: 4422121 (1983-12-01), Baumbach
patent: 4424546 (1984-01-01), Smith

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