Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Thermal
Patent
1996-12-19
1998-10-20
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Thermal
324 96, 324435, G01R 1900, G01N 27416
Patent
active
058251740
ABSTRACT:
A device for measuring the voltage of a voltage source includes a number of temperature responsive displays and a circuit including a number of heating circuits, each heating circuit for heating one of the temperature responsive displays when a threshold voltage of the heating circuit is exceeded, and a printed resistor, each heating circuit being connected to a length of the printed resistor such that the voltage of the voltage source at which each heating circuit heats a temperature responsive display is a function of the ratio of the lengths of the printed resistor to which the heating circuits are connected.
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Brass Jack
Karlsen Ernest F.
Parker Robert
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