| 摘要 |
The device is an internal-oral computer touchpad which is used by an individual to control a computer cursor. The device is intended to allow quadriplegics and other individual with severe disabilities to gain independence by interfacing with computerized devices. The touchpad acts as an oral prosthetic used for communication; the device rest within the patients mouth without impeding airflow or other bodily activities. The device rests securely within the small cavity existing between the upper jaw (and teeth), the lower mandible (and teeth), and the cheek tissues. The prosthetic which incorporates a touch sensitive touchpad encased in a watertight casing, is placed in the mouth with the touch sensitive pad sequestered vertically between the outer teeth and the inner cheek tissue. With the teeth parted slightly, the tongue is able to contact the exposed touch sensitive surface of the touchpad; completing the circuit which transmits an electrical signal to the computer and moves a cursor. The touchpad also has one or multiple buttons integrated to the casing to enable cursor clicking and alternate functions. The device is attached through a ps/2 or USB cable to a computer. The description, together with the claims, forms the bulk of your patent application. It is here that you give a full account of your invention. The description begins with background information relevant to the invention, and describes the invention in increasing levels of detail. One of your goals in writing the description is to compose it so that someone skilled in your field would be able to reproduce your invention just from reading your description and looking at the drawings.
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