US 12,134,032 B2
Player and play method
Xin Xu, Suzhou (CN)
Assigned to REALTEK SEMICONDUCTOR CORPORATION, Hsinchu (TW)
Filed by REALTEK SEMICONDUCTOR CORPORATION, Hsinchu (TW)
Filed on Mar. 3, 2022, as Appl. No. 17/685,425.
Claims priority of application No. 202110665605.2 (CN), filed on Jun. 16, 2021.
Prior Publication US 2022/0401829 A1, Dec. 22, 2022
Int. Cl. A63F 13/25 (2014.01); A63F 13/327 (2014.01); H04W 4/02 (2018.01); H04W 4/80 (2018.01)
CPC A63F 13/25 (2014.09) [A63F 13/327 (2014.09); H04W 4/023 (2013.01); H04W 4/80 (2018.02)] 7 Claims
OG exemplary drawing
 
1. A play method capable of displaying image and/or playing music according to a ranging result, wherein the play method is executed with a player including a wireless communication function, and comprises:
establishing a wireless connection with a portable device to receive a wireless signal from the portable device;
obtaining a received signal strength index (RSSI) of the portable device according to the wireless signal;
calculating an estimation distance between the player and the portable device according to the RSSI to obtain the ranging result, wherein the play method further comprises:
responsive to determining that the estimation distance is a first distance, recording a reference strength of the wireless signal;
responsive to determining that the estimation distance is a second distance, calculating an environmental attenuation factor (EAF) according to the RSSI and the reference strength, wherein the first distance is different from the second distance; and
responsive to determining that the estimation distance is different from any of the first distance and the second distance, calculating the estimation distance according to the RSSI, the reference strength, and the EAF; and
determining at least one play parameter of the player according to the ranging result.