GENEVA, March 22 -- GUANGDONG BAOLUN ELECTRONICS CO., LTD. (No. 56, Nanli East Road, Shiqi TownPanyu DistrictGuangzhouGuangdong 511495), 广东保伦电子股份有限公司 (中国广东省广州市番禺区石碁镇南荔东路56号) filed a patent application (PCT/CN2025/090429) for "METHODS AND SYSTEM FOR SENDING AND RECEIVING LOW-FREQUENCY SOUND SIGNAL" on Apr 22, 2025. With publication no. WO/2026/056275, the details related to the patent application was published on Mar 19, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) syst...