System and method for indicating air pressure within an enclosed space
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United States of America Patent
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Dec 6, 2022
Grant Date -
Jun 3, 2021
app pub date -
Dec 1, 2020
filing date -
Dec 2, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method for sensing and indicating air pressure within an enclosed space is described. The system comprises a pressure sensing device and pressure indicator further comprising a housing enabled to house a plurality of electronic devices and having an opening, an elastomeric membrane covering the opening of the housing and capable of flexing inwards and outwards, a light emitting device to provide an illumination and a projector for projecting a positive pressure symbol and a negative pressure symbol. The elastomeric membrane flexes inwards along with a representation of the positive pressure symbol with an illumination of a first color when the pressure within the enclosed space is positive and the elastomeric membrane flexes outwards along with a representation of the negative pressure symbol with the illumination of a second color when the pressure within the enclosed space is negative.
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