US Patent Issued to Panasonic Intellectual Property Management on Oct. 7 for "Earphone, earphone control method, and program" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,193, issued on Oct. 7, was assigned to Panasonic Intellectual Property Management Co. Ltd. (Osaka, Japan).

"Earphone, earphone control method, and program" was invented by Takanobu Machida (Fukuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An earphone includes a housing having a space therein and an air-permeable path from one end of an ear canal of a user to another end of the ambient environment, an opening and closing valve accommodated in the housing and capable of blocking a part of the path, a speaker accommodated in the housing and configured to output a sound signal, a first microphone configured to detect a leakage amount of a so...