US 12,224,496 B2
Signal transmission apparatus
Liuzhong Yin, Shenzhen (CN); Zitong Wang, Shenzhen (CN); and Bin Zhang, Shenzhen (CN)
Assigned to SHENZHEN TCL DIGITAL TECHNOLOGY LTD., Guangdong (CN)
Appl. No. 17/998,495
Filed by SHENZHEN TCL DIGITAL TECHNOLOGY LTD., Shenzhen (CN)
PCT Filed Dec. 29, 2020, PCT No. PCT/CN2020/140889
§ 371(c)(1), (2) Date Nov. 11, 2022,
PCT Pub. No. WO2021/227526, PCT Pub. Date Nov. 18, 2021.
Claims priority of application No. 202010392408.3 (CN), filed on May 11, 2020.
Prior Publication US 2023/0216217 A1, Jul. 6, 2023
Int. Cl. H01Q 21/28 (2006.01); H01Q 1/38 (2006.01); H01Q 1/52 (2006.01)
CPC H01Q 21/28 (2013.01) [H01Q 1/38 (2013.01); H01Q 1/521 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A signal transmission apparatus, comprising:
a substrate; and
a wireless personal area network (WPAN) antenna and wireless local area network (WLAN) antennas which are provided on a same side edge of the substrate;
at least two branches of the WLAN antennas are provided, and the WPAN antenna and the WLAN antennas are provided at intervals;
wherein the WPAN antenna is a magnetic current source WPAN antenna, and the WLAN antennas are current source WLAN antennas;
wherein the WLAN antennas are configured to two branches, which are a first WLAN antenna and a second WLAN antenna, and the WPAN antenna is arranged between the first WLAN antenna and the second WLAN antenna;
wherein the substrate is provided with a circuit ground, a first WLAN antenna RF ground, and a second WLAN antenna RF ground, the WPAN antenna is a microstrip magnetic current source WPAN antenna formed as a radiation slit arranged on the circuit ground, the first WLAN antenna is arranged on the first WLAN antenna RF ground, and the second WLAN antenna is arranged on the second WLAN antenna RF ground.