Controlling pressure in a cavity of a light source
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United States of America Patent
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Feb 14, 2023
Grant Date -
Dec 24, 2020
app pub date -
Dec 18, 2019
filing date -
Jun 18, 2019
priority date (Note) -
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Abstract
Methods and systems for controlling pressure in a cavity of a light source are provided. One system includes a barometric pressure sensor configured for measuring pressure in a cavity of a light source. The system also includes one or more gas flow elements configured for controlling an amount of one or more gases in the cavity. In addition, the system includes a control subsystem configured for comparing the measured pressure to a predetermined range of values for the pressure and, when the measured pressure is outside of the predetermined range, altering a parameter of at least one of the one or more gas flow elements based on results of the comparing.
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