Yoshiaki Takenaka

Controlling apparatus and controlling method

Recording apparatus, recording system, and recording method

System for synchronized power supply control over a plurality of electronic devices by determining whether any one of the electronic devices conforms to a predetermined condition and synchronously switching on or off each device that satisfies the predetermined condition

System and method for managing the power state of a controlling device according to an indication of the power state of a source output device

Electronic device system, controlling device and controlling method

Electronic device system, controlling device, and synchronized power supply controlling method

Video and sound reproduction system, and amplifier device

Information communication unit, and information communication method

Method for controlling and synchronizing power supply in a system of electronic devices

Electronic device, electronic device management method