Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1993-08-23
1995-07-25
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324765, 371 251, G01R 3128
Patent
active
054365597
ABSTRACT:
A method of testing a semiconductor device operating according to predetermined testing information. An output signal of the semiconductor device is received through a signal transmission line and a reference voltage is generated in accordance with an expected logical level of the output signal. The reference voltage is compared with a voltage of the output signal thus received and a current flow is supplied to the signal transmission line in accordance with the result. A logical level of the output signal thus received is determined and a decision is made whether the semiconductor device operates correctly.
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Tada Tetsuo
Takagi Ryoichi
Tanaka Koji
Karlsen Ernest F.
Mitsubishi Denki & Kabushiki Kaisha
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