Analog to digital converter for two-dimensional radiant energy a

Details Analog to digital converter for two-dimensional radiant energy a Analog to digital converter for two-dimensional radiant energy a

1976-02-13

1977-08-30

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

250199, 350 96R, H03K 1302

Patent

active

040457923

ABSTRACT:
Analog to digital converter for two-dimensional radiant energy array computers in which the converter stage derives a bit array of digital radiant energy signals representative of the amplitudes of an input radiant energy analog signal array and derives an output radiant energy analog signal array to serve as an input to succeeding stages. The converter stage includes a digital radiant energy array device which contains radiant energy array positions so that the analog array is less than a predetermined threshold level and which doesn't contain radiant energy at array positions where the input analog array exceeds the threshold level. A scaling device amplifies the radiant energy signal levels of the input array and the digital array so that the radiant energy signal level carried by the digital array corresponds to the threshold level. An adder device adds the signals of the scaled input and digital arrays at corresponding array positions to form the output analog array.

REFERENCES:
patent: 3573806 (1971-04-01), Klein
patent: 3882270 (1975-05-01), Ogawa
patent: 3887939 (1975-06-01), Hunt

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