Low pressure gas discharge lamp with increased end illumination
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United States of America Patent
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May 11, 1982
Grant Date -
N/A
app pub date -
May 19, 1980
filing date -
May 19, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A low pressure gas discharge lamp is provided with a pair of high power incandescent electrodes to increase output illumination at the lamp ends. In an alternate construction, the electrodes are of high power, low emissivity and are electrically connected to a second pair of high emissivity electrodes which provide the means for enabling the mercury discharge. With this second construction, the low emissivity electrodes can act as ballast for the circuit.
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