(under subclass 567) Subject matter wherein the electrode is provided with a starting spur extending from the electrode towards another electrode.
(1) Note. A starting spur is usually a wire or strip of metal which is attached to an electrode and extends close to another electrode, the starting spur serving to initiate the discharge between it and the other electrode when the device is put into operation, the discharge transferred to the other electrode after the initial discharge has been initiated.
SEE OR SEARCH THIS CLASS, SUBCLASS:
592+, for a gas or vapor discharge device having a cathode heater and a starting electrode.
594, for a gas or vapor discharge device having a start electrode exterior to envelope.
595+, for a gas or vapor discharge device with a start electrode between discharge electrodes.
601+, for a gas or vapor discharge device with a start electrode not in the main discharge path.
