Cable isolator with overvoltage protection

Details Cable isolator with overvoltage protection Cable isolator with overvoltage protection

1984-06-20

1986-03-11

Nussbaum, Marvin L.

Wave transmission lines and networks

Transmission line inductive or radiation interference...

333 17L, 333185, 333206, 361 56, 361119, H01P 1202, H02H 906

Patent

active

045756910

ABSTRACT:
A coaxial cable isolator includes ceramic capacitive and inductive elements for isolating the cable sheath from low frequency power current while passing high frequency television signal current. A ceramic resistance ring is positioned inside the isolator and forms a gap with the inner conductor thereof for precluding rapid buildup of voltage across the interruption in the isolator by discharging high energy currents thereacross. The ceramic material has about 15,000 ohms resistance for precluding power follow-through current after occurrence of a high energy discharge.

REFERENCES:
patent: 4198613 (1980-04-01), Whitely
patent: 4453153 (1984-06-01), Capek et al.
patent: 4467390 (1984-08-01), Carpenter, Jr.
patent: 4509090 (1985-04-01), Kawanami et al.

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