Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates
Patent
1995-12-12
1997-08-12
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Plural ranges, scales or registration rates
324 96, 345150, G01R 1508, G09G 502
Patent
active
056569351
ABSTRACT:
A variable color display system exhibits a display unit in a color in accordance with the value of a limit. The color signals are developed in accordance with the value of the limit and applied to a color control input of the display system to control its color substantially continuously.
REFERENCES:
patent: 2643344 (1953-06-01), McLaren et al.
patent: 2648015 (1953-08-01), Greenfield et al.
patent: 2682000 (1954-06-01), Clayton et al.
patent: 4794383 (1988-12-01), Havel
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