A component called a power energizer converts power into a brief high voltage pulse.
The energy stored in the Blumlein rushes toward the dielectric wall as a high voltage pulse.
To switch the device, a high voltage pulse is delivered to the triggering electrode.
This high voltage pulse is carried by the coil wire to the center terminal of the distributor cap.
A buzz coil used battery power to generate a series of high voltage pulses which were fed to the spark plug.
This causes a high voltage pulse to be developed across the secondary terminals through electromagnetic induction.
These devices require a high voltage pulse to "clean out" any existing data in a particular memory cell before it can be written with a new value.
A recent military development is that of the exploding capacitor designed to radiate a high voltage electromagnetic pulse.
A much shorter high voltage pulse is used than with a spark chamber, so there is insufficient time for sparks to form.
The short, high voltage pulse creates a rising electrostatic field, which ionizes the gas inside the tube.