Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1984-07-19
1987-02-10
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324 73R, G01R 3128, G01R 3126
Patent
active
046425667
ABSTRACT:
A respective threshold circuit is provided for defining upper and lower thresholds representing logic levels of signals occuring within integrated circuits. The chronological position of a signal edge and the steepness of the signal edge are defined with the assistance of the two thresholds.
REFERENCES:
patent: 3359491 (1967-12-01), McCutcheon
patent: 4045736 (1977-08-01), Carpenter et al.
patent: 4277679 (1981-07-01), Feuerbaum
Feuerbaum, H. P.; "VLSI Testing Using the Electron Probe"; Scanning Electron Microscopy; 1979; vol. 1; pp. 285-296;
Fazekas P., et al., "Scanning Electron Beam Probes VLSI Chips", Electronics, Jul. 14, 1981, pp. 105-112.
Karlsen Ernest F.
Siemens Aktiengesellschaft
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