Patent ID: 8661511

Claim:
A device registration method of registering an access permission from a first device to a second device, in a network connected to the first device and the second device, the device registration method comprising: determining that the second device receives via the network a connection request from the first device for which access permission is not registered; shifting to a first mode based on a determination that the second device receives via the network the connection request from the first device of which access permission is not registered; the second device, in the first mode, detecting user's operation on the second device, and judging whether the detected user's operation is an operation regarding viewing of a reproduction signal from the second device; and the second device, shifting to a second mode for registering the access permission from the first device to the second device based on a judgment that the user's operation is not an operation regarding viewing and not shifting to the second mode based on a judgment that the user's operation is an operation regarding viewing.