US Patent Issued to Shenzhen Chiptech Electronics on April 7 for "Oil leakage detection method of mircrophone circuit, mircrophone circuit, mircrophone and electronic product" (Chinese Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,048, issued on April 7, was assigned to Shenzhen Chiptech Electronics Co. Ltd (Shenzhen, China).

"Oil leakage detection method of mircrophone circuit, mircrophone circuit, mircrophone and electronic product" was invented by Xiaozhong Cheng (Shenzhen, China) and Yanxu Cheng (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an oil leakage detection method of a microphone circuit, a microphone circuit, a microphone and an electronic product. The oil leakage detection method of a microphone circuit includes: detecting an equivalent resistance and/or equivalent voltage in an environment where the microphone ...