Solid state devices combining the use of surface-acoustic-wave d

Details Solid state devices combining the use of surface-acoustic-wave d Solid state devices combining the use of surface-acoustic-wave d

1979-09-28

1981-09-15

Fears, Terrell W.

Static information storage and retrieval

Systems using particular element

Semiconductive

357 24, 365157, G11C 1140

Patent

active

042901189

ABSTRACT:
A solid state device combining the use of a surface-acoustic-wave (SAW) device and a charge-coupled device (CCD) which utilizes an interface means therebetween comprising a plurality of conductive fingers responsive to an acoustic wave on the SAW device. The conductive fingers are electrically connected at at least one end to the CCD substrate and a plurality of temporary storage means are used for temporarily storing a charge proportional to the voltage potential on the associated conductive finger. The temporary stored charges can be transferred to the storage wells of the CCD for storing a replica of the acoustic wave. The SAW-CCD combination is adapted for use as a buffer memory, an accumulating correlator, or as a matched filter device.

REFERENCES:
patent: 4070652 (1978-01-01), Heng et al.
patent: 4101965 (1978-07-01), Ingebrigtsen

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