Variable color comparison oscilloscope

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

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Details

324121R, 364487, 340753, 340754, G01R 138, G01R 1320, G09G 320

Patent

active

048684961

ABSTRACT:
A waveform measuring device includes a variable color display for exhibiting a measured waveform. The portions of the exhibited waveform that are within predetermined limits are illuminated in a first color, and the portions of the exhibited waveform that are outside the limits are illuminated in a second color.

REFERENCES:
patent: 3816815 (1974-06-01), Schumann
patent: 4114095 (1978-09-01), Pankove et al.
patent: 4734619 (1988-03-01), Havel
patent: 4760331 (1988-07-01), Komuro et al.
patent: 4771274 (1988-09-01), Havel

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