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Browse by Category: Main > Information Technology
Class Information
Number: 719/324
Name: Electrical computers and digital processing systems: interprogram communication or interprocess communication (ipc) > Device driver communication > Virtual device driver (vxd)
Description: Subject matter comprising software which virtualizes physical hardware by intercepting application requests to use the hardware and arbitrating between requests to access physical hardware from different applications.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7606965 Information handling system with virtualized I/O adapter ports Oct. 20, 2009
7581228 Utilizing service information in digital video broadcasting Aug. 25, 2009
7577764 Method, system, and computer program product for virtual adapter destruction on a physical adapter that supports virtual adapters Aug. 18, 2009
7567253 Mirror driver notification of device independent bitmap drawing calls Jul. 28, 2009
7562161 Universal graphic adapter for interfacing with UGA hardware via UGA virtual machine and means for abstracting details of the UGA hardware Jul. 14, 2009
7558723 Systems and methods for bimodal device virtualization of actual and idealized hardware-based devices Jul. 7, 2009
7558724 Operation region describing a virtual device Jul. 7, 2009
7543084 Method for destroying virtual resources in a logically partitioned data processing system Jun. 2, 2009
7530071 Facilitating access to input/output resources via an I/O partition shared by multiple consumer partitions May. 5, 2009
7530064 Method and apparatus for automated registry clean-up May. 5, 2009
7506343 System and method for passing information from one device driver to another Mar. 17, 2009
7500082 Automating the testing of software or hardware components by dynamically creating virtual storage devices on a simulated system bus in a physical computer system Mar. 3, 2009
7487326 Method for managing metrics table per virtual port in a logically partitioned data processing system Feb. 3, 2009
7480742 Method for virtual adapter destruction on a physical adapter that supports virtual adapters Jan. 20, 2009
7478180 Virtualizing a communications channel in which blocks of data are divided into multiple sub-blocks for conveyance Jan. 13, 2009
7460891 Method and system to shut down and control computer radios Dec. 2, 2008
7461141 System and method for performing driver configuration operations without a system reboot Dec. 2, 2008
7454544 Input/output interface and device abstraction Nov. 18, 2008
7437613 Protecting an operating system kernel from third party drivers Oct. 14, 2008
7433913 Point-to-point data communication implemented with multipoint network data communication components Oct. 7, 2008
7433937 Coupling a filter graph space to a network driver space Oct. 7, 2008
7433938 Coupling a filter graph space to a network driver space Oct. 7, 2008
7383555 Apparatus and method for sharing a network I/O adapter between logical partitions Jun. 3, 2008
7334234 Method and apparatus for transferring data to virtual devices behind a bus expander Feb. 19, 2008
7334233 Method and apparatus for multiple slaves to receive data from multiple masters in a data processing system Feb. 19, 2008
7308551 System and method for managing metrics table per virtual port in a logically partitioned data processing system Dec. 11, 2007
7305426 Point-to-point data communication implemented with multipoint network data communication components Dec. 4, 2007
7286974 Virtual PC printer driver Oct. 23, 2007
RE39837 Method and apparatus for adjusting a power consumption level based on the amount of time a processor clock is stopped Sep. 11, 2007
7269832 Generic virtual device driver Sep. 11, 2007
7240098 System, method, and software for a virtual host bus adapter in a storage-area network Jul. 3, 2007
7213044 Point-to-point data communication implemented with multipoint network data communication components May. 1, 2007
7181382 System and method for testing, simulating, and controlling computer software and hardware Feb. 20, 2007
7155492 Method and system for caching network data Dec. 26, 2006
7139791 Apparatus and method for providing access to a data stream by a plurality of users at a same time Nov. 21, 2006
7130612 System and method for providing wireless services within a wireless local area network Oct. 31, 2006
7127388 Interfaces for an open systems server providing tape drive emulation Oct. 24, 2006
7089294 Methods, systems and computer program products for server based type of service classification of a communication request Aug. 8, 2006
7082524 I/O bus abstraction for a cluster interconnection fabric Jul. 25, 2006
7069395 Storage area network methods and apparatus for dynamically enabled storage device masking Jun. 27, 2006
7043566 Entity event logging May. 9, 2006
7028308 Methods for automatically installing, maintaining, and repairing device driver through the internet and system thereof Apr. 11, 2006
7020881 System for receiving description information from a network device and automatically generate a control panel at a controller for controlling the device Mar. 28, 2006
7000051 Apparatus and method for virtualizing interrupts in a logically partitioned computer system Feb. 14, 2006
6959440 Dynamic removal of a driver stack when a parent driver uses a child driver Oct. 25, 2005
6947051 Video memory management Sep. 20, 2005
6907482 Universal graphic adapter for interfacing with hardware and means for encapsulating and abstracting details of the hardware Jun. 14, 2005
6886171 Caching for I/O virtual address translation and validation using device drivers Apr. 26, 2005
6871350 User mode device driver interface for translating source code from the user mode device driver to be executed in the kernel mode or user mode Mar. 22, 2005
6823418 Virtual PCI device apparatus and method Nov. 23, 2004

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