Metering system with remotely resettable time lockout
DCFirst Claim
1. A method of obtaining a meter reading for a metering system that has a display and means for generating encrypted code numbers, said method comprising the steps of:
- (a) displaying on said display a current meter reading information;
(b) generating and displaying an encrypted verification code, said code reflecting said meter reading information;
(c) transmitting said meter reading information and said verification code to a data center; and
(d) verification said meter reading by use of said verification code.
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Abstract
A metering system requires a user to provide periodic, accurate meter readings to a billing authority.
The metering system includes a mechanism for dispensing postage or another accountable quantity, an accounting mechanism for updating and storing information regarding the amount of postage dispensed by the dispensing mechanism and an output mechanism for outputting the storing postage information. The system also includes a mechanism for storing a time deadline, a clock that provides a current date signal and a lock that disables the dispensing mechanism when the current date is not before the stored deadline. The system also includes a reset mechanism for extending the stored deadline.
A user of the system reads the output of the system to obtain a current meter reading. The user then telephones the billing authority'"'"'s data center, provides the current reading to the data center and receives back from the center an encrypted combination that reflects the reading provided by the user. The user enters the combination into the system. The meter decrypts the combination and verifies that the reading provided by the user matches the stored postage information. The meter then extends the stored deadline.
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Citations
10 Claims
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1. A method of obtaining a meter reading for a metering system that has a display and means for generating encrypted code numbers, said method comprising the steps of:
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(a) displaying on said display a current meter reading information; (b) generating and displaying an encrypted verification code, said code reflecting said meter reading information; (c) transmitting said meter reading information and said verification code to a data center; and (d) verification said meter reading by use of said verification code. - View Dependent Claims (2, 3)
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4. A method of obtaining a meter reading, comprising the steps of:
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(a) receiving meter reading information from a user of a meter, said meter having a stored time deadline; (b) generating an encrypted verification code, said code reflecting said meter reading information; (c) verifying said meter reading information by use by said verification code; (d) providing a deadline-extending combination to said user; (e) inputting said combination into said meter; and (f) extending said stored time deadline after said inputting of said combination. - View Dependent Claims (5, 6, 7, 8, 9, 10)
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Specification