Keyboard operated terminal apparatus

Details Keyboard operated terminal apparatus Keyboard operated terminal apparatus

1974-08-06

1977-03-15

Robinson, Thomas A.

Telegraphy

Systems

Printing

178 175, G06F 314, H04M 1106

Patent

active

040125947

ABSTRACT:
A keyboard operated terminal apparatus includes a main memory for storing a number of frames of data, and a display memory for storing a selected frame of such data. The two memories are coupled in a closed feedback loop, thereby enabling recall, deletion, insertion and display of any selected data frame. Data words are moved through the loop, and the data bits are synchronized by a timing clock circuit.

REFERENCES:
patent: 3166636 (1965-01-01), Rutland et al.
patent: 3368028 (1968-02-01), Windels et al.
patent: 3380031 (1968-04-01), Clayton et al.
patent: 3456242 (1969-07-01), Lubkin et al.
patent: 3623157 (1971-11-01), Stapleford
patent: 3685019 (1972-08-01), Conroy et al.
patent: 3739344 (1973-06-01), Serracchioli et al.
patent: 3820080 (1974-06-01), Abrams et al.
patent: 3822363 (1974-07-01), Moyer et al.
patent: 3828174 (1974-08-01), Nakamura et al.

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