Electrical computers and digital processing systems: support – Computer power control – By external command
Reexamination Certificate
2006-06-27
2006-06-27
Butler, Dennis M. (Department: 2115)
Electrical computers and digital processing systems: support
Computer power control
By external command
C713S300000
Reexamination Certificate
active
07069454
ABSTRACT:
A signaling circuit may be implemented with a connection comprised of signal lines having predefined signals and/or functions. The predefined signals and/or functions may be defined by an individual entity or standards organization. The signaling circuit transmits information in addition to the predefined signals and/or functions. The information may be transmitted from a second device, such as a visual display screen, to a first device, such as a computing device, using at least one signal line in the connection. The information may include information about the state or status of the second device. The signaling circuit may, for example, place the first device in a reduced power state by generating a signal transition on at least one of the signal lines when a switch associated with the second device is asserted.
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Apple Computer Inc.
Butler Dennis M.
Simon Nancy R.
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