Multi-purpose computer utility arrangement

Details Multi-purpose computer utility arrangement Multi-purpose computer utility arrangement

1985-09-06

1988-10-18

Caldwell, Sr., John W.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340711, 364900, G08C 100

Patent

active

047790792

ABSTRACT:
A computer accessory is disclosed that includes a module. The computer accessory comprises a module having an input port and an output port and a microprocessor circuit that generates an output signal in keyboard character code at the output port that is of selected correspondence to an input signal in keyboard character code received at the input port. Coupling components enable insertion of the module in a data transmission path between a selected keyboard and an associated computer system.

REFERENCES:
patent: 3831147 (1974-08-01), Kafafian
patent: 3854131 (1974-12-01), Vanderheiden et al.
patent: 3895185 (1975-07-01), Ramsey
patent: 4007443 (1977-02-01), Bromberg et al.
patent: 4121283 (1978-10-01), Walker
patent: 4493992 (1985-01-01), Geller
patent: 4562304 (1985-12-01), Ward et al.
Nelson, Peter J., "The MOD Keyboard," Byte, Aug. 1983, pp. 7-17.

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