Load management device and method of use

Details Load management device and method of use Load management device and method of use

1988-08-29

1990-12-11

Lall, Parshotam S.

Boots, shoes, and leggings

364481, 364483, 34082507, G06F 1520

Patent

active

049775154

ABSTRACT:
A plug in device, furnished by an electric power utility to a customer, is installed by the customer between a wall outlet and an appliance, particularly a room air conditioner. The device contains a microprocessor that is programmable and controllable by the utility to determine the ON-OFF cycling of the appliance. The microprocessor with the aid of sensors records date and time of each instance that a programmed OFF interval is overridden through a manual input, and each instance of disconnection of appliance from device after the first connection. Also, the device is arranged on command to record the power being drawn by the attached appliance, either on a one time basis or on a scheduled interval over a predetermined time span. A remote transmitter is also provided as a source of customer I.D. and control signals for utility control of selected devices in use. Certain embodiments have a component that is installed by qualified personal, hard wired into a control circuit, having a removable component removable either by service personnel or the customer for return to the utility to read out the contents of its memory as to its history of use. Similarly, the customer installed unit is returned or has a component returned for utility readout.

REFERENCES:
patent: 4319319 (1982-03-01), Wygant
patent: 4418333 (1983-11-01), Schwarzbach et al.
patent: 4573127 (1986-02-01), Korff
patent: 4771185 (1988-09-01), Feron et al.
patent: 4819180 (1989-04-01), Hedman et al.
patent: 4835706 (1989-05-01), Asahi
patent: 4847781 (1989-07-01), Brown, III et al.
Penn; "A Low Cost Dedicated Microprocessor Forms the Heart of an Electronic Control System for Appliance Application"; I.E.E.E. 1977.

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