Patent ID: 7321295

Claim:
An adapter for automobile use and constituting a non-genuine in-vehicle device different from a genuine in-vehicle gateway comprising: a signal input terminal; a signal processing section; and an output terminal, wherein; each of the signal input terminals is connected to a non-genuine in-vehicle device or a genuine in-vehicle device, the signal processing section decodes a non-genuine in-vehicle device signal and generates a decoded signal corresponding to an operation of each of the non-genuine in-vehicle devices, when an in-vehicle device signal output from each of the non-genuine in-vehicle devices is supplied to one of the signal input terminals, and the signal processing section decodes a genuine in-vehicle device signal and generates a decoded signal corresponding to an operation of each of the genuine in-vehicle devices, when an in-vehicle device signal output from the genuine in-vehicle devices is supplied to the other one of the signal input terminals, and the output terminal is a terminal which is connected with a terminal device and to which the decoded signals generated by the signal processing section are supplied.