Static information storage and retrieval – Systems using particular element – Semiconductive
Patent
1979-09-28
1981-09-22
Fears, Terrell W.
Static information storage and retrieval
Systems using particular element
Semiconductive
365157, 357 24, G11C 1140
Patent
active
042913900
ABSTRACT:
A solid state device capable of providing long-term storage of analog signals which in a particular embodiment utilizes a plurality of MNOS storage elements. An input analog signal is applied to a plurality of temporary storage means each associated with an MNOS storage element for temporarily storing a charge proportional to the amplitude of the portion of the input analog signal applied thereto. Storage control means are used to transfer the temporarily stored charges to the long-term MNOS storage elements so that controlled amounts of carrier charges are stored in the nitride layers thereof, such controlled amounts being substantially linearly proportional to the temporarily stored charges associated therewith. In a particular embodiment the input analog signal may be supplied via a surface acoustic wave (SAW) device and coupled to the MNOS device directly or it may be coupled to a charge-coupled device (CCD) and thence coupled to the MNOS device.
REFERENCES:
patent: 4070652 (1978-01-01), Heng et al.
patent: 4101965 (1978-07-01), Ingebrigtsen et al.
Burke Barry E.
Ralston Richard W.
Smythe, Jr. Daniel L.
Stern Ernest R.
Fears Terrell W.
Massachusetts Institute of Technology
O'Connell Robert F.
Smith, Jr. Arthur A.
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