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His work with NFPA would eventually lead to the change of the uniform building codes to require smoke detectors in new construction. [3] Statitrol sold the smoke detector invention to Emerson Electric in 1980. [11] Pearsall sold Statitrol in 1977. [3] Later in life, he founded several companies and retired three separate times. [2]
Smoke detector mounted on a ceiling. A smoke detector is a device that senses smoke, typically as an indicator of fire.Smoke detectors/alarms are usually housed in plastic enclosures, typically shaped like a disk about 125 millimetres (5 in) in diameter and 25 millimetres (1 in) thick, but shape and size vary.
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On March 22, 2020, Eric Smidt directed Harbor Freight to donate its entire supply of N95 masks, Face shields, and 5/7 mil Nitrile gloves to hospitals with a 24-hour emergency room. In June 2022, Eric & Susan Smidt donated $5 million to the Holocaust Museum LA , which will allow the museum to double its campus in Pan Pacific Park .
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An optical beam smoke detector is a device that uses a projected beam of light to detect smoke across large areas, [1] typically as an indicator of fire. [2] They are used to detect fires in buildings where standard point smoke detectors would either be uneconomical [ 3 ] or restricted for use by the height of the building.
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