US Patent No. 10,817,242

IMAGE DISPLAY DEVICE, CONNECTION METHOD OF IMAGE DISPLAY DEVICE, AND MULTI-DISPLAY SYSTEM


Patent No. 10,817,242
Issue Date October 27, 2020
Title Image Display Device, Connection Method Of Image Display Device, And Multi-display System
Inventorship Keisuke Momose, Tokyo (JP)
Tohru Kataoka, Tokyo (JP)
Assignee NEC DISPLAY SOLUTIONS, LTD., Tokyo (JP)

Claim of US Patent No. 10,817,242

1. An image display device that is daisy-chain connected, comprising:a storage unit that holds identification data that includes information of its own device; and
a control unit that, when a next-stage side apparatus is connected that comprises an image display device that can receive a video signal that its own device repeats, receives identification data of said next-stage side apparatus from said next-stage side apparatus, that determines whether or not said identification data that was received is the same as said identification data of its own device and that holds the identification data of its own device without executing a process of rewriting said identification data of its own device upon determining that said identification data that was received is the same as said identification data of its own device,
wherein said control unit when said identification data that was received indicates that said next-stage side apparatus comprises an apparatus type that is different from its own device, carries out a process of rewriting the identification data of its own device to the identification data of said next stage side apparatus.