Microwave wattage indicator

Details Microwave wattage indicator Microwave wattage indicator

1989-03-20

1990-04-10

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With waveguide or long line

324 92, 324106, 374 31, 374150, 374162, G01R 2100, G01R 2102

Patent

active

049163868

ABSTRACT:
A microwave oven wattage detector having a visually and microwave transparent container holding a thermally homogeneous fluid having a wattage-indicating strip contained in the fluid with a plurality of different temperature-sensitive areas on the strip with indicia associated with each of the areas to indicate power levels when such container is heated within a microwave oven for a set time and one of such temperature-sensitive areas changes color to denote the indicia indicating the power level of the microwave oven.

REFERENCES:
patent: 2866950 (1958-12-01), Smits
patent: 3661142 (1972-05-01), Flam
patent: 4030482 (1977-06-01), Navato
patent: 4051435 (1977-09-01), Fomslow
patent: 4382063 (1983-05-01), Romito et al.
patent: 4464064 (1984-08-01), D'Luzansky
patent: 4467278 (1984-08-01), Foth et al.
patent: 4509533 (1985-04-01), Chervity
patent: 4538926 (1985-09-01), Chretien
patent: 4786773 (1988-11-01), Keefer
patent: 4835475 (1989-05-01), Hanakura et al.

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