Glowbottle starting device for gaseous discharge devices
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United States of America Patent
Stats
-
Apr 30, 1996
Grant Date -
N/A
app pub date -
Oct 25, 1994
filing date -
Oct 25, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A glowbottle starter switch for igniting gaseous discharge lamps in alternating current circuits. The glowbottle including a hermetically sealed glass envelope (7) containing a fill of an ionizable gas and having at least two lead wires (2,3) disposed therein and extending to the exterior of the envelope (7) and a bimetal switch (4) disposed on at least one of the lead wires (3). The switch (4) is arranged to move within a gap to contact the other of the lead wires (2). An electroluminescent light emitter including an electroluminescent phosphor (6 in FIG. 1) is disposed in optically-contiguous relationship with the glowbottle. The electroluminescent light emitter is arranged to be energized to emit light by electric fields produced by alternating voltage between the lead wires (2,3). Light emission causes a photoelectric emission of electrons from interior surfaces within the glowbottle envelope (7) to serve as initial electrons for electron avalanches promoting the ionization and breakdown of the gasses within the gap between electrodes (4, 2) of the glowbottle.
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