Patents Represented by Attorney Anthony N. Galfee, Halter & Griswold Magistrale - Justia Patents Search

Patents Represented by Attorney Anthony N. Galfee, Halter & Griswold Magistrale

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Computer system having power management processor for switching power supply from one state to another responsive to a closure of a switch, a detected ring or an expiration of a timer

Patent number: 5530879

Abstract: A computer system having a CPU, a power management processor, a switch, a modem, a timer, an override circuit, a glitch circuit, and a power supply in circuit communication. The power supply has several power supply states, which are controlled by the power management processor responsive to the CPU, the switch, the modem, the timer, the glitch circuit, the override circuit, and the power management processor itself.

Type: Grant

Filed: September 7, 1994

Date of Patent: June 25, 1996

Assignee: International Business Machines Corporation

Inventors: Dwayne T. Crump, Steven T. Pancoast, Paul H. Benson, IV