Patent ID: 6097506
Filing Date: 2000-08-01
Classification: H04N

Abstract:
A facsimile device comprising:a driving section including an image reading section, a printing section and a hopper sensor detecting when paper is placed in a paper hopper;a network control unit for transmitting and receiving data with respect to a communication line;a telephone connected to said network control unit;a main power source;a sub-power source providing power to said network control unit;a main power source switch selectively turning on or turning off said main power source responsive to a turn on request or turn off request, respectively;a main control section powered by said main power source, said main control section determining when a time out has occurred and issuing said turn off request responsive to said determined time out, said main control section including a first CPU having a first clock frequency and a first word width;an operation control section powered by said sub power source, said operation control section receiving one or more command signals and, responsive to each received command signal, issuing a turn on request when said main power source is turned off, said operation control section including a second CPU having a second clock frequency lower than said first clock frequency and a second word width, said second width being narrower than said first width;a memory storing input/output interface information for said main control section and wherein;one command control signal is provided to said operation control section from said network control unit responsive to data through the communication line, and a second command control signal is provided to said operation control section from said network control unit responsive to a hook-up detecting signal;before said power source switch is switched to an on state, said second CPU receives one said command signal and holds information regarding a corresponding event; andafter said power source switch is switched to said on state, said first CPU reads said information regarding said corresponding event and establishes an operating condition of said driving section responsive to said information.