Electrical computers and digital processing systems: support – Computer power control – Power conservation
Reexamination Certificate
2007-01-11
2009-12-08
Patel, Nitin C (Department: 2116)
Electrical computers and digital processing systems: support
Computer power control
Power conservation
C713S323000
Reexamination Certificate
active
07631208
ABSTRACT:
A mode selector is operable to select either a first display mode or a second display mode. A controller is operable to cause each of a display and an operating section configured to perform a prescribed operation to be placed in either a first power mode in which a first level of power supplied from a power supply is consumed or a second power mode in which a second level of power supplied from the power supply which is lower than the first level is consumed, and operable to cause the display to display a first image in a case where the first display mode is selected, and to display a second image different from the first image in a case where the second display mode is selected. The controller is operable to cause the operating section to transit from the first power mode to the second power mode when the operating section does not perform the prescribed operation for a first time period. The controller is operable to cause the display to transit from the first power mode to the second power mode at least one of when the operating section does not perform the prescribed operation for a prescribed time period and when the actuator is not actuated for a prescribed time period. The controller is operable to disable the display from transiting from the first power mode to the second power mode in a case where the second display mode is selected.
REFERENCES:
patent: 6226472 (2001-05-01), Yun
patent: 7567357 (2009-07-01), Kato et al.
patent: 2002-232611 (2002-08-01), None
patent: 2002-300336 (2002-10-01), None
patent: 2004-96756 (2004-03-01), None
Nutter & McClennen & Fish LLP
Patel Nitin C
Penny, Jr. John J.
Seiko Epson Corporation
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