Boots – shoes – and leggings
Patent
1990-06-26
1991-03-26
Malzahn, David H.
Boots, shoes, and leggings
36470916, G06F 316
Patent
active
050035037
ABSTRACT:
A data processing keyboard system is provided wherein data and command signals from the keyboard are entered by two or more successive keystrokes. This makes available from the comprehensive capability of present day computers large numbers of keyboard accessible commands. Also surprisingly then this invention can replace a normal QWERTY typewriter keyboard with most of its functions by a set of only seven or twelve keys. Thereby alphabetic characters, decimal digits and a store of computer command entries may be processed with each entry requiring two or more strokes of the computer keyboard keys. Functional commands such as spacing, return or shift can be intermixed with the choice of data characters. Means for shifting from a single-stroke-per-entry computation mode to a two-stroke-per-entry alpha mode of computer operation may be provided. Keyboard selected modes change the key assignments. Thus an alpha mode for a computer may assign the entire alphabet first stroke to a set of three home keys arranged in a geometric configuration of no more than nine keys for touch typing control by fingers on one hand. The key assignments are made wherein the easier to access strokes are allocated to the more frequently encountered letters of the alphabet. To assure synchronization of keystroke sequences produced by an operator with internal computer entries, an audible operator timing signal such as a beep is produced, preferably for each space between words.
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Claver et al., "Computer-Assisted Word Entry Process", IBM Tech. Disclosure Bulletin, vol. 21, No. 10, Mar. 1979, p. 4184.
Brown Laurence R.
Malzahn David H.
The Laitram Corporation
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