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Topic: Virtual device

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	I-Tech's Virtual Laser Keyboard for BlackBerry, MAC, PDA's and Smartphones.
		Also incorporated in the device is a detection module.)The proprietary IR based detection method developed by I-Tech VKB, provides reliable and accurate detection of user interaction, such as typing or cursor control functions (e.g.
		Similar high-performance virtual interface technology will soon be applied in a wide array of communications, computing and entertainment devices, including cell phones, PDAs, ultra-light notebook computers, gaming consoles, digital media gateways, interactive TV top boxes, and VARIOUS touch screen applications.
		Because the virtual keyboard is an image projected by light, it disappears completely when not in use.
	www.virtual-laser-keyboard.com (736 words)

	Virtual Mixer
		Virtual Mixer will do the sample rate conversion and handle the format such as 8 or 16 or 24bit and also handle mono/stereo conversion so that the application sounds like its playing audio natively on hardware.
		Note that while the virtual mixer device is in use, you cannot use the physical audio devices (/dev/dsp0 and/or /dev/dsp1) and vice versa, ie.
		Please also not that the quality of the sound in the virtual devices will not be the same as the the physical devices and mixing and sample rate conversions take place in the virtual mixer software and not in hardware.
	www.4front-tech.com /virtmix.html (861 words)

	A framework for device capability on demand and virtual device user experience
		A virtual device appears as one physical device, although its capabilities may be derived from many different physical devices.
		Device discovery is critically important, but, given the breadth of devices in use today, it is also difficult to implement.
		The device agent implements the discovery protocol used by the client device to detect the existence of the VDSG and register itself.
	www.research.ibm.com /journal/rd/485/fu.html (5619 words)

	Introduction
		Chapters 2 and 3 use separate example networks, but the virtual devices on which you perform the tutorial procedures are provided in one virtual device file, which is provided with the product.
		The virtual devices you import from the provided file use IP addresses that are within a range designated as internal and private, so they are unlikely to conflict with any real addresses already in your QPM inventory.
		Virtual devices are not physical devices, but rather are defined in a file that contains the same device information required to import a physical device.
	www.cisco.com /univercd/cc/td/doc/product/rtrmgmt/qos/qpm3_1/qpm31gs/ktintro.htm (1280 words)

	Virtual Mixer
		Virtual Mixer will do the sample rate conversion and handle the format such as 8 or 16 or 24bit and also handle mono/stereo conversion so that the application sounds like its playing audio natively on hardware.
		Note that while the virtual mixer device is in use, you cannot use the physical audio devices (/dev/dsp0 and/or /dev/dsp1) and vice versa, ie.
		Please also not that the quality of the sound in the virtual devices will not be the same as the the physical devices and mixing and sample rate conversions take place in the virtual mixer software and not in hardware.
	www.opensound.com /virtmix.html (861 words)

	Virtual device descriptions (Site not responding. Last check: )
		A virtual device is a device description that is used to form a connection between a user and a physical workstation attached to a remote system.
		The virtual device has a name of QPADEV xxxx, where xxxx is an alphanumeric character from 0001 to zzzzz, excluding vowels.
		When no more device types and models match, but virtual devices are still available, then the device type and model are changed to match the client device and model negotiated.
	publib.boulder.ibm.com /infocenter/iseries/v5r3/topic/rzaiw/rzaiwplanvirtdevice.htm (467 words)

	Virtual Ethernet device - OpenVZ Wiki
		Virtual ethernet device is an ethernet-like device which can be used inside a VE.
		Virtual ethernet device consist of two ethernet devices - one in VE0 and another one in VE.
		These devices are connected to each other, so if a packet goes to one device it will come out from the other device.
	wiki.openvz.org /Virtual_Ethernet_device (1031 words)

	Virtual Dentistry Computer Guided Implants SimPlant SurgiGuides Nobel Biocare NobelGuides Engineering Accurate Dental ...
		The field of Medicine, as we all know, adapted digital and virtual imaging quite readily, as evidenced by today's modern CatScan and Magnetic Resonance Imaging (MRI) that is becoming as common as an aspirin tablet.
		Two well known firms in the field of dentistry have been innovative in developing adaptations of virtual imaging that now enables dentists to diagnose and treatment plan a vast number of surgical solutions that were practically impossible to accurately perform just a few short years ago.
		New Cone Beam types of scanning devices have been developed recently that have leap frogged the level of accuracy and precision data collection and mapping that was enabled by current CAT Scan technology.
	www.virtualdentistry.org (0 words)

	Macsimum News - Apple Patent: virtual input device placement on a touch screen user interface
		Activation of a particular virtual key (or combination of virtual keys) generates a signal (or signals) that is provided as input to an application executing on the computer.
		On the other hand, virtual input devices, by virtue of being displayed on the same display screen that is being used to display output of executing applications, may cover the display output of such applications.
		As an example of dynamic configuration, the user may change the position of the virtual input device display in the composite display by touching a portion of the virtual keyboard display and “dragging” the virtual input device display to a desired portion of the composite display.
	www.macsimumnews.com /index.php/archive/apple_patent_virtual_input_device_placement_on_a_touch_screen_user_interfac (2468 words)

	VIRTUAL DEVICE LOCATION
		Virtual Device Location (Or "Virtual Address") The address of a device (e.g.
		Such an address is mapped to a physical device.
		VM may remap several virtual disks to different parts of a single physical disk.
	www.websters-online-dictionary.org /definition/english/Vi/Virtual+Device+Location.html (146 words)

	Virtualization Services - Virtual Iron Software
		Virtual Iron virtualizes servers to allow multiple, multi-processor guest operating systems to run concurrently on the same physical hardware.
		Virtual networks are configured on the management server and decouple the association of virtual servers from physical gateways and fibre channel switches, simplifying virtual server configuration and migrations.
		Each virtual device is equally accessible from any physical server and supports multi-pathing to provide load balancing and hardware failover transparently to the guest operating system.
	www.virtualiron.com /products/Virtualization-Services.cfm (287 words)

	Virtual reality device helps multiple sclerosis patients walk - Medgadget - www.medgadget.com
		The visual component presents users with a virtual, tiled-floor image displayed on one eye via a tiny piece that clips onto glasses worn by the user.
		Results from a small study (14 randomly selected patients with gait disturbances predominantly due to MS) on the device are published in the February 2007 issue of the Journal of the Neurological Sciences.
		The integrated device - the first to respond to the patient's motions rather than just providing fixed visual or auditory cues - is already in use at a number of medical centers in Israel and the United States, including the University of Cincinnati and the State University of New York.
	www.medgadget.com /archives/2007/05/virtual_reality_device_helps_multiple_sclerosis_patients_walk.html (450 words)

	More on Virtual Devices
		Virtual devices are devices that act like X10 or Z-Wave devices, but do not have the ability to actually receive or send X10 or Z-Wave commands.
		You can create a virtual device by selecting the lower case house codes in the range "q" through "z", and you can use unit codes 17 through 99 on all house codes.
		An example use for a virtual device might be creating a flag that tells HomeSeer that someone is home or not.
	www.homeseer.com /support/homeseer/WebHelp/working_with_devices/more_on_virtual_devices.htm (363 words)

	Reliability in Windows CE Device Drivers
		Virtual device driver -- A module that interacts with physical hardware and exposes a virtual device interface that is not accessed directly by applications, but rather by other drivers.
		Device Manager enumerates that registry branch, initializing all drivers by bringing the DLL into memory, calling that driver's initialization code (within the DLL), —for example, memory space and I/O ports, as necessary.
		Device drivers often manipulate physical memory directly; they are not subject to the checks and balances that may be imposed by a virtual memory manager.
	www.windowsfordevices.com /articles/AT9847354001.html (6648 words)

	Virtual Strategy Magazine - Where Server Virtualization Was Born
		When a virtual machine needs CPU instructions, it is allowed to execute instructions on a CPU for certain amount of time: the time slice.
		These instructions are provided by the technique of simulation: one instruction to the virtual machine will cause hundreds or thousands of instructions to be executed by CP that will mimic the instruction to the virtual machine.
		Each virtual machine can refer to the same location in a program, say, x’1000’, and that address will be in two different and isolated real storage locations.
	www.virtual-strategy.com /article/articleview/219/1/18 (1099 words)

	Description of Device Drivers
		A device driver is code that an operating system uses to control disk devices, display adapters, input devices such as a mouse or trackball, modems, fax machines, printers and other hardware.
		A virtualization device driver (VxD) is a 32-bit, protected-mode driver that manages system resources, such as a hardware device or a program, so that more than one program can use a resource at the same time.
		For example, a virtual device driver for a display adapter is known as a VDD (virtual display driver), a virtual device driver for a timer device is a VTD, a virtual device driver for a printer device is a VPD, and so on.
	support.microsoft.com /kb/253671 (453 words)

	Walking on Tiles Virtual Reality Device Helps Parkinson's Patients Walk Better
		The device, developed by Professor Yoram Baram of the Faculty of Computer Science at the Technion-Israel Institute of Technology, consists of a wearable Walkman-sized computer with a tiny piece that clips onto the user's eyeglasses.
		Current systems provide a static visual display or perform a constant motion that is independent of the user's motion; the tiled-floor image in the new device responds to the user's motion, so it is stationary when the user is and moves and turns when the user does.
		Baram, a digital version of the footage described, or for a copy of the study on which the device is based, please contact Martha Molnar (212) 307-2580 at (212) 307-2580.
	www.ats.org /news.php?id=43 (589 words)

	Input API and Driver Design (Site not responding. Last check: )
		The device should provide the delta information in the order in which it occurred, though games are advised to try not to go for a long time without updating their input, as internal driver buffers may overflow with data if they are left for too long.
		If the device is not available, highly unlikely but possible, a critical error will be given to the error mechanism, and this function will not return a device.
		A virtual stick axis may be mapped to a stick axis on a device.
	home.comcast.net /~Korval/Input/input_api_and_driver_design.htm (2234 words)

	VDD - Virtual Device Driver, Visual Database Designer
		Virtual Device Driver is not the only word formed from VDD.
		Virtual Device Driver - Under Windows NT, virtual device drives are call VDDs.
		Kernel mode drivers handle all I/O devices, it is not even possible for user-mode code to access I/O hardware without the aid of a kernel mode driver.
	www.auditmypc.com /acronym/VDD.asp (252 words)

	Dear Friends,
		Virtual Device was developed independently by Dr. Sergei Koltsov at the Russian Academy of Sciences, Institute for Analytical Instrumentation.
		A more advanced version of Virtual Device is under development that will support the simulation of ion movement in a supersonic jet.
		Description of ion movement in a gas as implemented in Virtual Device v.18.
	www.simion.com /virtual_device (1858 words)

	What is virtual device driver? - a definition from Whatis.com - see also: VDD
		- In certain Microsoft operating systems, a virtual device driver is a program that handles software interrupts from the operating system (rather than hardware interrupts) for each of the computer's main hardware devices, including the hard disk drive controller, keyboard, and serial and parallel ports.
		A virtual device driver is used to maintain the status of a hardware device that has changeable settings.
		A virtual device driver usually has a file name suffix of VXD.
	searchwinit.techtarget.com /dictionary/definition/what-is-virtual-device-driver.html (0 words)

	Virtual Block Device - Assignment #3
		For this assignment you will implement a virtual block device, with the intent of lying about the underlying device.You will also implement a small test application to demonstrate your virtual device.
		The call you will be modifying is the "strategy()" routine for your block device driver (this is called "make_request()" under Linux), and modifying the mapping means changing the re-numbering for incoming requests that this routine performs.
		Let's say your device is N blocks in capacity, then the first program will take N as a command line parameter.
	www.cs.pitt.edu /~mosse/cs1651/assignment3.html (569 words)

	1394 Node
		While virtual devices are really nice for some things, they do not really allow a developer to develop a driver for non-existent hardware by themselves.
		A 1394 device is connected to a host controller via 1394 cable, and that device is then enumerated by the 1394 bus driver running on the system where the host controller resides.
		Virtual device drivers are required to fill in the node address information, just like what would be done for raw-mode transfers.
	www.wd-3.com /archive/1394NodeTransfers.htm (4470 words)

	Virtual Wafer Fab
		The notion of “virtual wafer fab” is to bridge the gap between the two.
		Transistor characteristics are more related to device parameters such as gate oxide thickness, junction depths, effective channel length, etc., which are indirectly related to processing variables such as oxidation time and temperature, implant dose and energy, etc.
		However, from the device modeling point of view, it is the gate oxide thickness and the channel doping profile which influence the device electrical characteristics.
	www.ntu.edu.sg /eee/eee6/LectureNotes/E425/Notes/VWF/Virtual_Wafer_Fab.htm (1392 words)

	Setting Up Hardware Profiles in Virtual Machines (Site not responding. Last check: )
		This set of virtual devices is different from the set of physical hardware devices on the host computer and is independent of the underlying hardware with a few exceptions (the processor itself is such an exception).
		Devices to disable in the Virtual Machine hardware profile include audio, MIDI and joystick devices, Ethernet and other network devices and USB devices.
		Boot the virtual machine and use your existing boot manager to select the guest operating system.
	www.vm-ware.co.kr /support/ws4/doc/disks_profiles_ws.html (1286 words)

	Virtual device patent invention
		A Virtual Device is described which is composed of at least one Open device, e.g.
		It would be nice if the user can consider all the independent devices as one big "Virtual Device" having multiple input and output units and providing a coherent and surround interface to the user [1], [2].
		[0009] Still another object is to provide a Virtual Device in which the user stores his setup preferences in a user profile avoiding having to enter his preferences in each individual device.
	www.freshpatents.com /Virtual-device-dt20061228ptan20060291433.php (1631 words)

	New device brings virtual vision to the blind
		When the user moves the pen or the thimble against a virtual object, the device transmits resistance to their hand or fingers, she explained.
		The testers were able to observe the test subjects’ manipulation of virtual objects and navigation in virtual environments on a computer screen.
		Among four who were presented with a virtual guitar and sword, three could identify the guitar and all could describe the different parts of the sword, although none of them could identify it as a sword because it was not sharp.
	www.temple.edu /ispr/examples/ex04_10_08.html (737 words)

	Virtual reality device aids people with MS
		Virtual reality visual feedback cues can help people with multiple sclerosis (MS) to walk more quickly and lengthen their stride, Israeli researchers report.
		A virtual reality system that incorporates the user’s movements into a visual display that provides feedback has been shown to improve gait in patients with Parkinson’s.
		The findings support the use of virtual reality-based approaches to rehabilitation in patients with MS, as well as other types of neurological disorders, they conclude.
	www.health.am /ab/more/virtual_reality_device_aids_people_with_ms (416 words)

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