Base-socket system with arc prevention means

Cathode ray tube socket with a spark gap

Cathode ray tube socket with controlled spark gaps

Cathode-ray tube socket

CRT Base and pin protective means

CRT Socket assembly

Current limiting spark gap for achieving arc elongation, divisio

Electrical discharge electrode and method of production thereof

High energy discharge sparkgap

Lightning arrester device

Overload protection tube

Overvoltage protecting element

Overvoltage protecting element

Parallel multi-electrode spark gap switch

Power spark gap for high current conduction

Spark gap assembly for voltage surge arresters

Spark gap device

Spark gap device for a cathode ray tube socket

Spark gap device for a lightning arrestor

Spark gap for achieving arc elongation and compression without t