Self-contained device for self-service delivery of electrical en

Details Self-contained device for self-service delivery of electrical en Self-contained device for self-service delivery of electrical en

1993-09-28

1995-09-19

Pitts, Harold

Registers

Systems controlled by data bearing records

Credit or identification card systems

235384, 235379, 902 23, G06F 708

Patent

active

054517559

ABSTRACT:
A self-contained device for self-service delivery of electrical energy, comprising a plurality of terminals, each capable of being connected to an electrical appliance, and a central management unit, operable independently of the terminals. The central management unit serves to: (1) manage distribution of electricity from an electrical supply grid to each of the terminals, (2) manage interaction between a prepayment instrument and users of the terminals, and (3) manage connection of the terminals to the electrical supply grid for transmission of electricity therebetween for either a period of time or a quality of electricity, as determined in response to a signal from the prepayment instrument indicating prepayment by a user.

REFERENCES:
patent: 4237799 (1980-12-01), Berman
patent: 4312436 (1982-01-01), Martin et al.
patent: 4532418 (1985-07-01), Meese et al.
patent: 5269521 (1993-12-01), Rossides

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