GENEVA, June 22 -- SHANGHAI SATELLITE NETWORK RESEARCH INSTITUTE CO., LTD. (3rd Floor, Building 2, No. 200 Zhangheng Road, China (Shanghai) Pilot Free Trade ZonePudong New Area, Shanghai 201204), 上海卫星互联网研究院有限公司 (中国上海市浦东新区中国（上海）自由贸易试验区张衡路200号2幢3层) filed a patent application (PCT/CN2024/128885) for "SIGNAL LIGHT SENDING METHOD AND APPARATUS, SIGNAL LIGHT RECEIVING METHOD AND APPARATUS, AND DEVICE AND MEDIUM" on Oct 31, 2024. With publication no. WO/2025/...