Keyboard with arrays of function keys

Details Keyboard with arrays of function keys Keyboard with arrays of function keys

1986-09-25

1987-10-06

Rowland, James L.

Communications: electrical

Audible indication

Percussion-type sound producer

G08C 900

Patent

active

046986189

ABSTRACT:
A keyboard for use with a terminal in a telephone operator assistance system is disclosed. The keyboard has a numeric array of keys that is surrounded on three sides by separate arrays of specialized function keys. The keyboard is arranged so that the most common keying sequence consists of the operation of a function key in the array to the left of the numeric array, the operation of keys in the numeric array, and the operation of a function key in the array to the right of the numeric array. This keyboard arrangement has been found experimentally to reduce operator work time. In addition, the keyboard contains a main array including alphabetic keys and miscellaneous function keys, and arrays of function keys to the left of and in back of the main array. The function keys are grouped in different arrays according to the type of function being performed, and the relationship of that function to the operation of keys in the numeric array.

REFERENCES:
patent: 3380031 (1968-04-01), Clayton et al.
patent: 3886335 (1975-05-01), Hendricks
patent: 3927752 (1975-12-01), Jones et al.
patent: 4333097 (1982-06-01), Buric et al.
patent: 4395704 (1983-07-01), Kishimoto et al.
patent: 4454501 (1984-06-01), Butts
patent: 4455607 (1984-06-01), Watson et al.
patent: 4455618 (1984-06-01), Walden et al.
Two advertisements from Datamation, Mar., 1984: Ericsson, Alfastop, pp. 196-197; AT&T Teletype Corporation, 5620, back cover.
Brochure on DATAPOINT 8600 SERIES PROCESSORS, Datapoint Corporation.
R. Ahmari et al., "Automated Coin Toll Service: Softare" The Bell System Technical Journal, Figure 4, p. 1258, vol. 58, (No. 6) Part 1 of 2, Jul.-Aug., 1979.

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