Excavating
Patent
1986-02-28
1989-01-31
Smith, Jerry
Excavating
365201, G11C 1129
Patent
active
048021660
ABSTRACT:
A comparator has two inputs, one controlled by a circuit branch including a written cell being examined and one controlled by another circuit branch including a virgin cell. In parallel with the latter is placed another reference cell controlled in an adjustable manner in such a way as to raise the threshold of the written cell which the device is able to discriminate and accept.
REFERENCES:
patent: 4460982 (1984-07-01), Gee
patent: 4504929 (1985-03-01), Takemae
patent: 4612630 (1986-09-01), Rosier
patent: 4670708 (1987-06-01), Bosnyak
Casagrande Giulio
Gastaldi Roberto
Beausoliel Robert W.
SGS Microelecttronica S.p.A
Smith Jerry
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