Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1980-06-18
1983-05-10
Hickey, R. J.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
194 1M, 194 11, 320 44, B65G 1100, H02J 700
Patent
active
043832105
ABSTRACT:
An apparatus for providing a device with a prepurchased, selectable quantity of power from a primary power source includes a mechanism for receiving a medium of exchange, such as a money receiving mechanism. The apparatus further includes an outlet for coupling the device to the apparatus and for switchably connecting the device to a primary power source. The apparatus further includes an electronic computer which responds to the medium of exchange receiving mechanism to control the outlet so that the appropriate amount of prepurchased power is provided to the device connected thereto. The computer disconnects the electrical connection between the outlet and the primary power source when current passing through the outlet is detected by a current monitoring mechanism and the computer to be not greater than a predetermined level and voltage in the outlet is detected by a voltage monitoring mechanism and the computer to be greater than a predetermined value because these concurrently detected conditions indicate a possible power theft is in progress. The apparatus further includes a starting mechanism which initially energizes the apparatus and starts a time period running within which an appropriate medium of exchange must be received for the purchase of a selectable quantity of power to prevent the computer from deenergizing the apparatus when the time period expires.
REFERENCES:
patent: 735505 (1903-08-01), Haskins
patent: 3105929 (1963-10-01), Blue
patent: 3273038 (1966-09-01), Miller
patent: 3529229 (1970-09-01), Kennedy
patent: 3904947 (1975-09-01), Crews
patent: 4052655 (1977-10-01), Vizza
Gilbert III E. Harrison
Hickey R. J.
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