US 11,818,499 B2
Reception device, method for controlling reception device, and transmission/reception system
Masahiko Nakahama, Kanagawa (JP); and Nobutaka Yamamoto, Kanagawa (JP)
Assigned to Sony Group Corporation
Appl. No. 17/778,959
Filed by Sony Group Corporation, Tokyo (JP)
PCT Filed Dec. 10, 2020, PCT No. PCT/JP2020/046140
§ 371(c)(1), (2) Date May 23, 2022,
PCT Pub. No. WO2021/125055, PCT Pub. Date Jun. 24, 2021.
Claims priority of application No. 2019-226931 (JP), filed on Dec. 17, 2019.
Prior Publication US 2022/0417468 A1, Dec. 29, 2022
Int. Cl. H04N 7/01 (2006.01); H04N 7/015 (2006.01); H04N 7/10 (2006.01)
CPC H04N 7/0125 (2013.01) [H04N 7/015 (2013.01); H04N 7/10 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A reception device comprising:
memory configured to store first device information and second device information;
communication circuitry configured to communicate with an external device; and
control circuitry configured to determine to cause the external device to read the second device information, on the basis of reception of a rewrite signal for the first device information from the external device,
wherein the memory is further configured to store third device information, and, when the rewrite signal is not received, the control circuitry determines to cause the external device to read the third device information, and
wherein the second device information is information compliant with version 2.1 of high-definition multimedia interface (HDMI), and the third device information is information compliant with version 2.0 of HDMI.