Waveform producing system employing scanning of a waveform patte

Details Waveform producing system employing scanning of a waveform patte Waveform producing system employing scanning of a waveform patte

1975-06-06

1984-08-07

Witkowski, S. J.

Music

Instruments

84 128, 250338, 250566, 250569, G01H 306, G01H 308

Patent

active

044636490

ABSTRACT:
A waveform producing system in which a source of infrared radiation or magnetic flux in a pattern forming section applies energy to a mask constituting a pattern-forming device that passes and masks the radiation or flux for passing the radiation or flux in a pattern which represents a waveform in a coordinate system with axes of time and amplitude in a plane. This distributes the radiation or flux and amplitude in a plane, and distributes the radiation or flux spatially in a pattern corresponding to the waveform. A matrix of transducers in series within parallel rows in a conversion section receive the radiation or flux passed and converts it to electrical signals which have a sampled value of the waveform. The sampled values thus obtained are scanned subsequentially in the direction of the time axis by a sequential readout circuit and the outputs of the sampled values are arranged sequentially with time to develop the waveform.

REFERENCES:
patent: 3231875 (1966-01-01), Ishidate
patent: 3257493 (1966-06-01), Hurvitz
patent: 3305669 (1967-02-01), Fan
patent: 3394262 (1968-07-01), Kintigh
patent: 3403262 (1968-09-01), Seidel
patent: 3414891 (1968-12-01), Kohn
patent: 3521255 (1970-07-01), Arndt
patent: 3629835 (1971-12-01), Brown et al.
patent: 3720929 (1973-03-01), Jones
patent: 3760357 (1973-09-01), Inose et al.
patent: 3769515 (1973-10-01), Clark, Jr.
patent: 3828643 (1974-08-01), Morez

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