Keyboard controller providing power management for a portable computer system
AssigneeCompaq Information Technologies Group, L.P.
InventorsDavid J. Delisle, William C. Hallowell, Patrick R. Cooper
Life of this patent
Estimating the term…
Abstract
A keyboard controller provides power management for a portable computer system. The keyboard controller both receives data from the keyboard and controls powering of a direct current/direct current converter. The keyboard controller may include a means for receiving data from the keyboard, a means for turning on power to the direct current/direct current converter, and a means for turning off the power to the direct current/direct current converter.
Claims26
A portable computer system, comprising:
- a processor;
- a keyboard;
- a direct current/direct current converter;
- and
- a keyboard controller coupled to the processor, the keyboard, and the direct current/direct current converter, the keyboard controller comprising:
- a means for receiving data from the keyboard;
- a means for turning on power to the direct current/direct current converter;
- and
- a means for turning off the power to the direct current/direct current converter.
A power management apparatus for a portable computer system, the portable computer system including a processor, a keyboard, and a direct current/direct current converter, the apparatus comprising:
- a keyboard controller to receive data from the keyboard and to control powering of the direct current/direct current converter.
A computer system, comprising:
- a processor;
- a keyboard;
- a direct current/direct current converter;
- and
- a controller coupled to the processor, the keyboard, and the direct current/direct current converter, the controller being adapted to receive data from the keyboard and to control powering of the direct current/direct current converter.
A method of handling power management control with a keyboard controller of a portable computer system, the portable computer system including a keyboard and a direct current/direct current converter, the method comprising the steps of:
- receiving keyboard events from the keyboard by the keyboard controller;
- and
- controlling power to the direct current/direct current converter by the keyboard controller.
Dependencies are inferred from the claim text.