Patent ID: 7190640

Claim:
An electronic audio equipment comprising: an electronic equipment body; and a plurality of movable operation units disposed on a front panel part of the electronic equipment body, wherein each operation unit comprises: an input operation part for inputting an operation instruction for the electronic equipment body; and a control part for controlling the operation unit, the control part is supplied with a power source from the electronic equipment body, wherein the electronic equipment body comprises: a driving part for driving the plurality of operation units; a position detection part for detecting positions of the operation units; a first power source supplier for supplying a power source to a first of the operation units; a second power source supplier for supplying a power source to a second of the operation units; and a power source controller for controlling the first power source supplier and the second power source supplier; wherein power source control is based on position or use state of the first and the second of the operation units; wherein the second of the operation units is placed in a back of the first of the operation units provided at the most distant position from the front panel part when the first of the operation units is placed in front of the front panel part in a close state by the driving part, and wherein the power source controller cuts off a power source supply to the second of the operation units when the second of the operation units is placed in the back of the first of the operation units.