One-handed data entry terminal and method of use

Details One-handed data entry terminal and method of use One-handed data entry terminal and method of use

1993-06-09

1996-12-10

Hofsass, Jeffrey

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

341 27, 36470912, H03K 1794

Patent

active

055834973

ABSTRACT:
A data entry terminal for one-handed use, the terminal having a limited number of keys, all of which may be reached by a single hand of the user from a home position that does not require the keyboard operator to reposition their hand when moving from one key to another. The keyboard preferably includes a heel rest on which the heel of the hand may be pivotably positioned for comfortable, reliable positioning while operating the keyboard, requiring a minimum amount of eye contact with the keyboard, permitting the keyboard operator to maintain eye contact with the source of data being entered into the computer or other data gathering device. The terminal is preferably bent in two places, with a row of keys on each of the two resulting generally upwardly angled surfaces and three rows of keys on the flat intermediate surface connecting the two angled surfaces. Additionally, the keys are arranged in four columns, the first three of which are spaced a predetermined distance apart, and the fourth of which is spaced a slightly greater distance from the rest. It is also preferred that the middle row of keys include a generally outwardly projecting, generally bisecting ridge that is detectable by the keyboard operator without distracting the operator from the data entry task. Successful operation of the keyboard preferably requires two keystrokes for each alphanumeric character being entered into the data collection device by the data entry terminal.

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"Compact Computer Keyboard," IBM Technical Disclosure Bulletin, vol. 27, No. 10 A, Mar. 1985, pp. 5640-5642.

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