Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1992-08-06
1993-12-21
Zazworsky, John
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
307358, 328116, 328151, H03K 5153, G11C 2702
Patent
active
052723941
ABSTRACT:
The magnitude of successive peaks in a time varying electrical signal are measured by applying the signal to magnitude circuitry capable of providing an output related to signal magnitude. The circuitry has a first state during which the output is dependent of changes in signal magnitude and a second state during which the output is substantially independent of such changes. The circuitry enters the first state during a first time interval within which a first peak is applied to the magnitude circuitry, and during a second time interval within which a second peak is applied to the magnitude circuitry. During a third time interval intermediate the first and second time intervals, the circuitry enters the second state. The magnitude circuitry's output during the second time interval is independent of its output during the third time interval so that successive outputs of the circuitry are related to the respective magnitudes of said successive peaks.
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Barrett Jeffrey B.
Kirk James W.
Digital Equipment Corporation
Zazworsky John
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