Pulse-width demodulator and information storage device

Details Pulse-width demodulator and information storage device Pulse-width demodulator and information storage device

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

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