US Patent Issued to MITSUBISHI ELECTRIC on April 14 for "Signal processing device, control circuit, storage medium, and signal processing method" (Japanese Inventor)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,602,832, issued on April 14, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Signal processing device, control circuit, storage medium, and signal processing method" was invented by Yuji Akiyama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A signal processing device includes: a window function unit that performs window function processing on a Fourier transform frame cut from time-series signal data; a Fourier transform unit that transforms, into information in a frequency domain, the Fourier transform frame subjected to the window function processing; a color space conversion unit that generates spectrogram data by converting a phase angl...