Suspend/resume capability for a protected mode microprocessor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5765004
SERIAL NO

08457931

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A laptop computer system includes a protected mode microprocessor capable of operating in restricted and unrestricted modes, and an arrangement which in response to a predetermined condition saves information from the processor and then forcibly switches the processor to its unrestricted mode of operation. When running a multi-tasking operating system where an application program is being executed in a restricted mode, a suspend/resume operation can be carried out in which the system is substantially powered down and then powered back up, and will resume the interrupted application with the restricted mode back in effect. Further, set-up changes such as adjustment of the processor speed can be made without exiting the application program running in the restricted mode.

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Patent Owner(s)

Patent OwnerAddress
WARREN & LEWIS INVESTMENT CORPORATION301 PARK AVENUE FALLS CHURCH VA 22046

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Belt, Steven L Stevensville, MI 25 1200
Brahman, Rodman S St. Joseph Township, Berrien County, MI 7 454
Fakhruddin, Saifuddin T St. Joseph, MI 8 459
Foster, Mark J Lincoln Township, Berrien County, MI 46 2050
Hovey, Scott A St. Joseph, MI 10 724
Krau, Michael P Hagar Township, Berrien County, MI 15 523
Maddix, Michael D Lincoln Township, Berrien County, MI 8 472
Mendelow, Matthew B St. Joseph, MI 15 531
Ruthenbeck, Mark A Lincoln Township, Berrien County, MI 9 533
Sun, Jiming St. Joseph, MI 25 1180
Walker, James L Benton Harbor, MI 45 1174
Willoughby, Brian D Lincoln Township, Berrien County, MI 10 541

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