Patent ID: 8838258

Claim:
An in-vehicle apparatus that includes a reproduction apparatus main body to be mounted in a vehicle, and a front panel which is detachable with respect to the reproduction apparatus main body, the front panel comprising: a first connecting unit that is connected to the reproduction apparatus main body, the first connecting unit including a first power terminal configured to receive power from the reproduction apparatus main body; a memory that is connected to the first connecting unit; a second connecting unit that is connected to the memory, and is connected to a signal input/output apparatus, the second connecting unit including a second power terminal configured to receive power from the signal input/output apparatus; a control unit that is arranged between the memory and the second connecting unit, and controls inputting and outputting of a signal in the second connecting unit with respect to the memory; and a switch that includes a first regulator that is arranged between the first power terminal and the memory, a second regulator that is arranged between the second power terminal and the memory as well as the control unit, and a logical negation circuit that is arranged between a standby terminal of the first regulator and the second power terminal.