Communications: electrical – Audible indication – Percussion-type sound producer
Patent
1975-08-11
1977-12-27
Miller, Charles D.
Communications: electrical
Audible indication
Percussion-type sound producer
G06F 300
Patent
active
040657655
ABSTRACT:
A pulse-width demodulator and information storage device including a data ocessing clocking system and an independent data readout and recorder control clocking system. The data input may comprise a pair of words for each data collection cycle. By means of an index signal, which is synchronized with the data input, the device distinguished between each word of the data pair being processed. The device converts each pulse-width modulated word into a digital format and stores each pair of words alternately in one of a pair of shift registers. The readout is alternately from the other of the pair of shift registers to the recorder on command from the recorder.
REFERENCES:
patent: 2870429 (1959-01-01), Hales
patent: 3263030 (1966-07-01), Stiefel
patent: 3789137 (1974-01-01), Newell
patent: 3823397 (1974-07-01), Howard
Curry Charles D. B.
Miller Charles D.
Sciascia R. S.
The United States of America as represented by the Secretary of
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