GENEVA, Feb. 15 -- SHENZHEN X-SIGNAL MICROELECTRONICS CO., LTD. (1106, North Block, Unit 1, Yuanxing Science And Technology Building, No.1 Songpingshan Road, Songpingshan Community, Xili Street, Nanshan DistrictShenzhen, Guangdong 518057), 深圳市芯格诺微电子有限公司 (中国广东省深圳市南山区西丽街道松坪山社区松坪山路1号源兴科技大厦一单元北座1106) filed a patent application (PCT/CN2023/123851) for "VOLTAGE SELECTION CIRCUIT FOR POWER SUPPLY CIRCUIT" on Oc...