AV center device, AV device management manner and AV system

摘要

PURPOSE: To provide an AV equipment operation management system whose entire constitution is simple for evading malfunction and not propagating the malfunction. ;CONSTITUTION: An AV center equipment 12 and plural AV equipments are connected through a communication bus 10 provided with an AV signal line for transmitting AV signals and a control signal line for transmitting control signals. For instance, a first VTR 14 and an MDP 16 are connected through a first selector 18 and a second VTR 22 is directly connected. The AV center equipment 12 is provided with a built-in control circuit 126 constituted of a microcomputer or the like provided with a ROM and a RAM, a display part 12U for displaying the operation confirmation message of the AV equipment, a remote control reception part 124 and an operation panel part 122 for instructing the operation of the AV equipment. The state of the AV equipment and signal paths are stored in the RAM and the protection management of the AV equipment is performed in the built-in control circuit 126 inside the AV center equipment 12. Preferably, the operation state of the AV equipment and the signal paths are displayed at the display part 120.;COPYRIGHT: (C)1994,JPO&Japio