Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1997-09-16
2000-12-12
Liang, Regina
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345146, 345171, 345902, G09G 508
Patent
active
061605360
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates generally to interactive display terminals and interactive display methods, and more particularly to interactive display terminals and interactive display methods for use by persons temporarily or permanently lacking normal motor capabilities. It also relates to systems and methods for the assessment of the motor capabilities of persons lacking normal motor capabilities. It further relates to interactive display terminals and interactive display methods for use in speech synthesis for persons having impaired speech. It also relates to systems and methods for the control of devices, including appliances, by persons lacking normal motor capabilities. It further relates to interactive display terminals and interactive display methods for selecting one menu option from a menu. It further relates to systems and methods utilizing sound recognition for selecting a menu option from a menu. It further relates to data and order entry systems including, and data and order entry methods utilizing, an interactive display terminal. It also relates to interactive display terminals and interactive display methods for displaying and selecting ideographic characters, such as are used in the Chinese, Japanese and Korean languages. It also relates to interactive display terminals and interactive display methods for producing an indication of progress toward and/or away from selection of a menu option.
A portion of the disclosure of this patent document contains material which is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the World Intellectual Property Organization patent file or records, but otherwise reserves all copyright rights whatsoever.
BACKGROUND ART
Many persons suffer from various neurogenic muscular disorders, such as Cerebral Palsy ("CP"), Traumatic Brain Injury, Spinal Cord Injury, Muscular Dystrophy, Amyotrophic Lateral Sclerosis and Multiple Sclerosis. These conditions can result in a reduced ability to voluntarily control or prevent the movement of parts of the body, including the head, limbs and digits, muscle stiffness, weakness, limited range of motion, abnormal posture, involuntary muscle tremors involuntary muscle activity causing involuntary motion, impaired ability to voluntarily stop motion, impaired ability to coordinate muscle activity, and/or impaired ability to sense the position of a part of the body. Any one of these symptoms may impair an affected individual's fine motor control. Moreover, while some individuals affected by a neuromuscular disorder may be able to exercise fine motor control with enormous effort, the struggle to do so often fatigues the individual, limiting the period of time the individual is capable or comfortable performing the fine motor control task.
Neuromuscular disorders are often systemic in effect, impairing an individual's ability to operate prosthetic devices, such as a wheelchair, and to perform the activities of daily life, such as speaking, walking and operating household appliances. Speech is frequently affected since the mechanics of producing speech require coordination of many muscle groups--the muscles of the diaphragm which push air over the vocal cords, the muscles of the larynx, jaws, tongue and lips. The inability to use or coordinate these muscle groups may result in impaired speech. Depending upon the degree of impairment, speech may be totally absent, present but impaired to the point of unintelligibility, or intelligible on the whole but with occasional unintelligible words. The ability to walk is often affected since walking requires coordination and voluntary control of many muscle groups. Furthermore, impaired fine motor control may prevent or impede an individuals from effectively operating household appliances or computer input devices.
Devices are available which produce speech, control appliances and facilitate computer access for some persons having neuromuscular d
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