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What is hid.dll?


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Windows Process Description:

The HID, an acronym for Human Interface Device, is a type of computer peripheral that directly takes input from humans and delivers output to humans. The term HID is most commonly referred to the USB device.

The DLL hid.dll is the module that enables innovation to USB devices and simplifies the process of installing these devices. Prior to this improvement, devices usually conformed to only just narrow-defined protocols for keyboards, mice, and joysticks. It needed overloading the use of data in an existing protocol or creation of new custom device drivers to application developers.

As a result, the hid.dll file delivered a self-describing package that contains infinite variety of data types and formats. A single driver from the hid.dll module parses the data enabling dynamic association of input/output with application functionality. This provided rapid innovation and proliferation of new human interface devices.

Before an application can exchange data with the hid.dll application, it has to identify the device by obtaining the GUID (Globally Unique Identifier) and get information about its reports. The application first finds out what devices are attached to the system. The hid.dll module then examines information about each, until it finds one with the desired attributes.

For a custom device, the application hid.dll can search for specific Vendor, Product ID and Version Number. Or the hid.dll module can search for a device of a particular type, such as a mouse or joystick. After finding a device, the DLL hid.dll can exchange information with it by sending a report to the device and receiving a report from the device.

The most common human interface devices are the keyboards, mice, graphics tablets, joysticks, gamepads, trackballs, touchpads, and pointing sticks. The less common devices supported by the hid.dll application are dance pads, Nintendo power gloves, Wii remotes, and flight simulator devices.

Mike Van Flandern and Manolito Adan, both working on the Raptor project at Microsoft Corporation, initially conceptualized the hid.dll standard. Together with Steve McGowan, who was working on a device protocol for Access Bus at Forte, they conceived the concept of self-describing extensible protocol. They all agreed to collaborate on a new standard for the emerging Universal Serial Bus or USB.

Author: Microsoft Corporation

Author URL: http://

Part Of: Windows operating system

Memory Usage: Low

Associated Applications: USB applications

Background DLL: Yes

Uses Network: No

Hardware Related: Yes

Common Path: C:\ WINDOWS\ system32\ hid.dll

DLL Version: 5.1.2600.2180

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