Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Patent
1996-09-24
1999-06-29
Hofsass, Jeffery A.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
345156, 345157, 345174, 382 13, G09G 500
Patent
active
059174765
ABSTRACT:
A novel method of text input for pointing devices. In its preferred embodiment, the cursor feedback text input method forms the basis of a novel method of touch tablet typing, which enables a small touch tablet to function as an easy-to-use, general-purpose, computer input device. Text input, pointing, and drawing functions are all provided in a single convenient unit. This general-purpose input device is primarily intended for the newly emerging class of living room computers, for which no suitable input device appears to exist. The main objective of the cursor feedback text input method is to provide a human/computer hardware interface which transparently supports the addition of interactivity to the typical television viewing framework. A novel keyboard array is mapped onto, but not displayed on, the tablet active surface. The alphabet and number set are arranged in their normal order. Touching the tablet displays a preview character in place of the cursor. If this preview character is not the desired character, knowledge of alphabetical and numerical order guides the finger to the target. Lifting the finger inputs the character to the computer as if from a physical keyboard. Punctuation, and functions including shift, caps lock, tab, return, and backspace/delete, are efficiently handled by other means. Text can be input comfortably while resting the eyes on the text output at the cursor position, without any need for visual reference to an input device or to another part of the screen. This text input method can be learned in seconds, has a zero error rate, and requires only a trivial amount of computer memory.
REFERENCES:
patent: 4972496 (1990-11-01), Klarew
patent: 5119075 (1992-06-01), Smith
patent: 5327160 (1994-07-01), Asher
patent: 5579487 (1996-11-01), Meyerson et al.
patent: 5594470 (1997-01-01), Meyerson et al.
Hofsass Jeffery A.
Woods Davetta
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