Level indicating system

Details Level indicating system Level indicating system

1978-03-10

1980-01-08

Rolinec, Rudolph V.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Demand, excess, maximum or minimum

307351, 340722, 340753, G01R 1916, G08B 536

Patent

active

041830253

ABSTRACT:
A level indicating apparatus indicates the peak level of an analog signal and also indicates the instantaneous value of the analog signal during a recurring time interval of predetermined length. The apparatus includes a circuit for generating, during each recurring time interval, a train of pulses whose number corresponds to the level of the analog signal, a storage device which may be a shift register for storing the train of pulses, a circuit for forming a pulse whose position corresponds to the peak level of the analog signal, a feedback circuit for feeding the pulse, whose position corresponds to the peak level, back to the storage device to be combined with the train of pulses corresponding to the instantaneous value of the analog signal, and a display for indicating the peak value. Preferably the display also indicates the instantaneous value of the analog signal. The circuit for forming the pulse whose position corresponds to the peak value can include a logic differentiation circuit.

REFERENCES:
patent: 3922666 (1975-11-01), Inami et al.

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