Analog memory system having a frequency domain transform processor
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United States of America Patent
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Apr 8, 1997
Issued Date -
N/A
app pub date -
Jun 6, 1994
filing date -
Dec 28, 1970
priority date (Note) -
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Abstract
An optical system is provided having an analog image memory, an analog refresh circuit, and an analog converter. An optical image is projected on an analog memory, such as a CCD array, generating analog image signal samples in the analog memory. The analog charge signal samples can be shifted in the array and can be processed with an analog to digital converter to generate digital signal samples. The digital signal samples can be processed with a digital processor, such as a digital transform processor to generate frequency domain information. The frequency domain information can be stored in an output memory and can be communicated to a remote location. An image can be displayed in response to the stored analog image signal samples or in response to the frequency domain information.
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