Posts Tagged ‘Device’
Human Interface Device
Posted by Parkzone Corsair in USB on December 3rd, 2009
The name human interface device suggests that HIDs interact directly with people, and many HIDs do just that. A mouse detects when someone moves it or presses a key. A host may send data that translates to an effect that a user senses on a joystick. Besides keyboards, mice, and joysticks, devices with HID interfaces include remote controls; telephone keypads; game controls such as data gloves and steering wheels; barcode readers; and UPS units.
Devices with physical control panels can use a HID interface to send control-panel input to the host. Devices with virtual control panels on the host can use a HID interface to send control-panel data to the device.
A virtual control panel can be cheaper to implement than traditional physical controls on a device.A HID doesn’t have to have a human interface. The device just needs to be able to function within the limits of the HID class specification.




