Microsoft Technology Licensing, LLC

Eliyas Yakub

Doron J Holan

Randall Edward Aull

Firdosh Kersy Bhesania

Vivek Gupta

Robert E Harris, Jr

Andrea A Keating

Philip Albert Froese

Eirik Herskedal

Martin Richard Borve

Reed L Townsend

Steven P Dodge

Bryan Douglas Scott

Olumuyiwa M Durojaiye

Michael H Tsang

Robert Harris

Systems and methods for specifying extended descriptor information in a device accessed using a communication interface are disclosed. One method includes transmitting a request to a device from a host computing system, and receiving an extended capability descriptor identifying to the host computing system at least one extended descriptor set stored on the device. The extended capability descriptor identifies a minimum operating system version able to support a corresponding extended descriptor set.

Extraction of operating system-specific characteristics via a communication interface

Described herein is a filter driver in a smartcardreader class that recognizes the presence of a smartcard in a smartcard reader and creates a device node (devnode).

Filter driver to enumerate smartcard nodes for plug and play

A filter driver may be instantiated in a smartcardreader class, and used to modify the smartcard status in an operating system.

Simulation of smartcard removal and reinsertion

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.

Bypassing class drivers through virtual driver enablement

Growing community of inventors

Issaquah, WA, United States of America

Eliyas Yakub