Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
Reexamination Certificate
2005-08-23
2005-08-23
Nguyen, Jimmy H. (Department: 2673)
Computer graphics processing and selective visual display system
Display driving control circuitry
Display power source
C715S716000
Reexamination Certificate
active
06933936
ABSTRACT:
A control unit inquires each digital apparatus stored in a memory table in a memory about a power supply mode of the apparatus through an IEEE1394 serial bus. When a response indicates a power-on mode, corresponding icons61-1and61-2are normally displayed. When the response indicates a connection standby mode, a corresponding icon61-3is mesh-displayed. If there is no response, corresponding icons61-4and61-5are inversion-displayed. A connection detecting circuit111detects a bias voltage of an IEEE1394 serial bus101and outputs a detection signal to a main control circuit122. On the basis of the input detection signal, the main control circuit122controls a power supplying circuit117so as to supply a standby electric power to a standby power supplying circuit116. On the basis of a command from the main control circuit122, the standby power supplying circuit116supplies a standby electric power to a physical connecting circuit112, a logical connecting circuit113, and a standby control circuit121.
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Lerner David Littenberg Krumholz & Mentlik LLP
Nguyen Jimmy H.
Sheng Tom
Sony Corporation
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