Telegraphy – Systems – Printing
Patent
1973-08-27
1976-01-20
Claffy, Kathleen H.
Telegraphy
Systems
Printing
178DIG3, 179 1555R, H04J 700
Patent
active
039340945
ABSTRACT:
A frequency band converter wherein a signal whose frequency band is to be converted is written in a random access memory at a predetermined cycle while the contents of the random access memory are read out sequentially at a cycle different from the writing cycle thereby to obtain a frequency band converted output signal.
REFERENCES:
patent: 3633170 (1972-01-01), Jones, Jr.
patent: 3634625 (1972-01-01), Geohegan et al.
patent: 3749836 (1973-07-01), Hayami et al.
patent: 3752912 (1973-08-01), Ohsawa et al.
Kobayashi Masaharu
Koshikawa Tsuneji
Tanizoe Toshio
Chin Tommy P.
Claffy Kathleen H.
Hitachi , Ltd.
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