Bypassing class drivers through virtual driver enablement

Details Bypassing class drivers through virtual driver enablement Bypassing class drivers through virtual driver enablement

2011-01-04

2011-01-04

Nguyen, Van H (Department: 2194)

Electrical computers and digital processing systems: interprogra

Device driver communication

Virtual device driver

C719S322000, C719S327000

Reexamination Certificate

active

07865910

ABSTRACT:
A virtual driver is enabled and a class driver is bypassed to provide at least one functionality different than that of the bypassed class driver. A filter driver is initialized in the stack of a class driver in order to bypass the class driver. The filter driver receives inputs associated with the input device and/or application emulating an input device and passes the input data to a virtual driver. The virtual driver provides data to an operating system for functionality that is at least partially different than that of the bypassed class driver.

REFERENCES:
patent: 6813650 (2004-11-01), Cato et al.
patent: 2005/0179674 (2005-08-01), Mehrotra et al.
patent: 2007/0079050 (2007-04-01), Reckless et al.

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