US Patent Issued to Amazon Technologies on March 17 for "Ambient temperature and relative humidity sensing using ultrasound signals" (California, Washington Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,238, issued on March 17, was assigned to Amazon Technologies Inc. (Seattle).

"Ambient temperature and relative humidity sensing using ultrasound signals" was invented by Krishna Kamath Koteshwara (San Jose, Calif.), Berkant Tacer (Bellevue, Wash.), Karthik Kumar (Seattle), Carlos Renato Nakagawa (San Jose, Calif.), Sai Ravi Teja Pulugurtha (Milpitas, Calif.) and Ke Sun (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Technologies directed to ambient temperature and relative humidity sensing using ultrasound signals are described. One device can emit an ultrasound signal using a speaker and measure the ultrasound signal using a microphone. ...