Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates
Patent
1996-02-07
1997-11-11
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Plural ranges, scales or registration rates
324149, G01R 1500
Patent
active
056868316
ABSTRACT:
A gauge includes a probe for taking measurements, a microprocessor for processing the measurements taken by the probe; and a screen display for displaying the measurements processed by the microprocessor; wherein the screen display can be selectively operated in a first mode wherein the measurements are displayed on the screen display in a first orientation, and in a second mode wherein the measurements are displayed on the screen display in a second orientation.
REFERENCES:
patent: 3501697 (1970-03-01), Martin
patent: 3782324 (1974-01-01), Zembaty
patent: 3893028 (1975-07-01), Febvre et al.
patent: 4298837 (1981-11-01), Koslar
patent: 4969647 (1990-11-01), Mical et al.
patent: 5014046 (1991-05-01), Minami
patent: 5293132 (1994-03-01), Koch
DeFelsko Corporation
Karlsen Ernest F.
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