Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Combined
Patent
1991-03-05
1994-05-24
Strecker, Gerard R.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Combined
324103R, 324116, 324142, 324149, 364483, 377 20, G01R 2200, G01R 2106, G06F 1556, G07C 100
Patent
active
053152360
ABSTRACT:
A power meter (10) is provided which can plug into an electric wall socket and it is provided with its own socket (16) for receiving the plug of an electrical appliance. The power meter has means for measuring electric current flow to an electrical appliance and indicates the amount of electrical power consumed by an appliance. In alternative embodiments, the meter is provided as an integral part of an electric wall switch (30) or wall socket (40) or it is built into an electrical appliance (50). In another embodiment, the power meter has a plurality of sockets for receiving the plugs of a number of electrical appliances for separately indicating the power consumption of each appliance.
REFERENCES:
patent: 1704520 (1929-03-01), Sommer
patent: 4120031 (1978-10-01), Kincheloe et al.
patent: 4180724 (1979-12-01), Councilman et al.
patent: 4401943 (1983-08-01), Morris
patent: 4814996 (1989-03-01), Wang
patent: 4977515 (1990-12-01), Rudden et al.
patent: 5014213 (1991-05-01), Edwards et al.
Russell Uren John
Strecker Gerard R.
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