Patent ID: 7212792
Filing Date: 2007-05-01
Classification: G08C

Abstract:
1. A receiving device configured to receive a signal transmitted from an external transmission device to execute a corresponding operation, comprising: a receiving unit configured to receive the signal transmitted from said external transmission device; a converting unit configured to convert the received signal into the corresponding operation to be executed by said receiving device; a first storage unit configured to store a plurality of kinds of received signals and a plurality of corresponding kinds of operations, each corresponding kind of operation to be executed in accordance with one of the plurality of kinds of received signals; a storage changing unit configured to change a correspondence in said first storage unit between one of the plurality of kinds of received signals and the corresponding kind of operation to be executed in accordance with the one of the plurality of kinds of received signals based on a request from said external transmission device; a second storage unit configured to store one kind of signal from among the plurality of kinds of received signals, of which the corresponding kind of operation should not be changed, wherein said converting unit is configured to convert the received signal into one of the plurality of kinds of operations other than the corresponding operation, based on said correspondence in said first storage unit, and if said request from said external transmission device corresponds to changing the kind of signal stored in said second storage unit, of which the corresponding kind of operation should not be changed, said storage changing unit announces, before changing the correspondence in said first storage unit, that the correspondence should not be changed.