Remote access to electronic meters using a TCP/IP protocol suite
First Claim
1. An electronic metering system, comprising:
- (A) a wide area network (WAN) operating in accordance with a TCP/IP protocol;
(B) a local area network (LAN) comprising at least one meter which includes meter electronics for measuring a prescribed commodity supplied by a utility and memory for storing measured data and meter control parameters;
(C) a gateway operatively coupled to said LAN and said WAN; and
(D) an HTTP server, embedded in one of said gateway and said meter, for accessing said measured data and meter control parameters, whereby said WAN is provided remote access to said measured data and meter control parameters.
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Accused Products
Abstract
An electronic meter incorporates a TCP/IP protocol suite and an HTTP server to provide two-way access to the meter data. Alternatively, the TCP/IP protocol suite may be incorporated into a gateway serving multiple meters connected through a power line or wireless two-way network. The gateway may incorporate an HTTP server for accessing data from multiple meters and for transmission of data to individual meters. Other aspects of the disclosed system include the use of a common gateway interface for remote access to meter data and to set meter parameters using HTML forms in HTTP browsers; remote reading and setting of multiple meter parameters using a TCP/IP protocol suite; a TCP/IP protocol suite implemented in designated nodes in a CEBus LAN with remote access through TCP/IP to routers and brouters and to individual meters on the LAN; and an SLIP-PPP enabled gateway for remote TCP/IP access through a serial interface to a single or multiple meter parameters.
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Citations
42 Claims
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1. An electronic metering system, comprising:
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(A) a wide area network (WAN) operating in accordance with a TCP/IP protocol;
(B) a local area network (LAN) comprising at least one meter which includes meter electronics for measuring a prescribed commodity supplied by a utility and memory for storing measured data and meter control parameters;
(C) a gateway operatively coupled to said LAN and said WAN; and
(D) an HTTP server, embedded in one of said gateway and said meter, for accessing said measured data and meter control parameters, whereby said WAN is provided remote access to said measured data and meter control parameters. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 20)
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18. An electronic meter, comprising:
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meter electronics for measuring a prescribed commodity supplied by a utility;
a memory for storing measured data and meter control parameters; and
an HTTP server, embedded in one of said gateway and said meter, operatively coupled to said meter electronics and memory;
said electronic meter being configured for use in a system including a wide area network (WAN) operating in accordance with a TCP/IP protocol, wherein said WAN is provided with remote access to said measured data and control parameters of said electronic meter.
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21. A gateway for use in a system comprising an electronic meter connected to the gateway and a wide area network (WAN) operating in accordance with a TCP/IP protocol, wherein the electronic meter is operatively coupled to the WAN through the gateway, the gateway comprising:
an HTTP server, embedded in one of said gateway and operatively coupled to said electronic meter or in said electronic meter and operatively coupled to said gateway, whereby said WAN is provided with remote access, via the gateway, to measured data and control parameters of the electronic meter. - View Dependent Claims (22, 23)
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24. A method for operating an electronic metering system, comprising:
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(A) providing a wide area network (WAN) operating in accordance with a TCP/IP protocol;
(B) coupling the WAN to a local area network (LAN), wherein the LAN is coupled to at least one meter which includes meter electronics for measuring a prescribed commodity supplied by a utility and memory for storing measured data and meter control parameters;
(C) providing an HTTP sever, embedded in one of said gateway and said meter, for accessing said measured data and meter control parameters; and
(D) providing said WAN with remote access to said measured data and control parameters of said meter. - View Dependent Claims (25, 26, 27, 28, 29)
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30. A method for operating an electronic metering system, comprising:
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(A) coupling a WAN operating in accordance with a TCP/IP protocol to at least one meter, said meter comprising meter electronics for measuring a prescribed commodity supplied by a utility, memory for storing measured data and meter control parameters, and a server application running on an HTTP server embedded in one of a gateway and said meter; and
(B) providing said WAN with remote access to said measured data and control parameters of said meter, wherein communications between the WAN and the meter are in accordance with a TCP/IP protocol. - View Dependent Claims (31, 32, 33, 34, 35)
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- 36. An electronic meter for use in an electronic metering system in which access to metered data and control parameter is provided to one or more devices on a wide area network (WAN) operating in accordance with a TCP/IP protocol, comprising meter electronics for measuring a prescribed commodity supplied by a utility, memory for storing measured data and meter control parameters, and a server application running on an HTTP server embedded in one of a gateway and said meter.
Specification