Intelligent electric utility meter
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United States of America Patent
Stats
-
Dec 16, 1980
Grant Date -
N/A
app pub date -
Dec 14, 1978
filing date -
Dec 14, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A conventional electric utility meter is equipped with special circuitry and components which work in conjunction with an inserted magnetic card to regulate the supply of electricity to the structure to which the unit is attached. In addition to including the conventional dials which indicate overall kilowatt hours, the exterior of the unit includes a receptacle for the card and additional displays which show the kilowatt hours, and corresponding dollar value thereof, for the current payment period. The special circuitry includes a microprocessor, a set of magnetic read/write/erase heads, and a power relay. The circuitry interfaces with the conventional meter components by means of a photocell positioned above apertures or notches in the rotating disk of the meter. In the primary mode of operation, a prepayment card is inserted containing a predetermined kilowatt hour credit. The special circuitry senses this amount and adds it to the amount of power the customer is entitled to receive. Also, the circuitry warns the customer when only a small electricity credit remains. In an alternative mode, a blank postpayment card is inserted into the unit and the amount of the electricity utilized during the current payment period is encoded on the card. The card is then sent to the utility company as the basis of a future billing. Finally, the unlocking of the meter unit case is controlled by a special card code.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
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International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Bateman, Jess R | 1516 Esplanade Ave., Redondo Beach, CA 90277 | 3 | 80 |
Carpenter, Robert L | 12,032 Freeman Ave., Hawthorne, CA 90250 | 29 | 335 |
Smith, Ross K | 5435 W. 124th St., Hawthorne, CA 90250 | 1 | 39 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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