Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Demand – excess – maximum or minimum
Patent
1977-11-14
1979-08-28
Rolinec, Rudolph V.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Demand, excess, maximum or minimum
324 96, 324122, G01R 1916, G01R 1900
Patent
active
041662458
ABSTRACT:
Related multiple characteristics of a single complex waveform are displayed as a variable length line of light with a floating spot which moves relative to the line. Logic circuitry, in response to an electrical input signal, causes energization of a plurality of the light emitters in response to the first input signal characteristic and the energization or extinguishing of a single light emitter in response to a second characteristic of the input signal.
REFERENCES:
henry, T.; "An LED-Readout Audio Power Meter"; Popular Electronics; Mar. 1976; pp. 35--38.
Edwards, D.; "LED Level Meter"; Electronics Australia; Jun. 1976; pp. 49, 51, 125.
Karlsen Ernest F.
Loft Modular Devices, Inc.
Rolinec Rudolph V.
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