Analog memory for storing a QCIF image or the like as electric c

Details Analog memory for storing a QCIF image or the like as electric c Analog memory for storing a QCIF image or the like as electric c

1996-09-27

1998-09-08

Nelms, David C.

Static information storage and retrieval

Analog storage systems

365149, 365115, G11C 2700, G11C 1124, G11C 1136

Patent

active

058054928

ABSTRACT:
The speed of a capacitive cell RAAM used for storing an optical image as electric charge is greatly enhanced by presampling the serial analog input signal on two rows or lines of presampling capacitors, each composed of the same number of capacitors as the number of columns of the capacitive cell RAAM and by "writing" in a parallel mode the selected row of said memory. The values stored in the capacitors of one of said two presampling rows are transferred (written) in the corresponding cells of the selected row of the memory while presampling continues on the other row of presampling capacitors.

REFERENCES:
patent: 4164023 (1979-08-01), Whitehouse et al.
patent: 5625583 (1997-04-01), Hyatt
Callewaert et al., "Front end and signal processing electronics for large detectors," IEEE Transactions on Nuclear Science, vol. 36, No. 1, 9, New York, pp. 446-457.
Franchi et al., "Random Access Analog Memory for Early Vision," IEEE Journal of Solid-State Circuits, vol. 27, No. 7, July 1, 1992, pp. 1105-1109.

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