US6611772B1 — Electronic electricity meter configurable to oper…

Claim 1

Independent Claim 142 words

An electricity meter for measuring energy consumption of a load and connectable to a plurality of electrical service types, comprising: a meter base having a preselected form type configured to electrically connect to each of the electrical service types; at least one of a voltage and a current sensor for generating signals representative of current and voltage at the load; a digital signal processor coupled to said voltage and current sensors comprising a memory including a plurality of selectable instruction sets corresponding to said preselected meter base form type, said digital signal processor configured to select and execute at least one of said plurality of instruction sets based on the electrical service type to which said meter base is electrically connected; a microcomputer coupled to said digital signal processor for receiving data therefrom; and an optical port electrically coupled to said microcomputer.

Claim 2

Dependent Claim 142 words

An electricity meter for measuring energy consumption of a load and connectable to a plurality of electrical service types, comprising: a meter base having a preselected form type configured to electrically connect to each of the electrical service types; at least one of a voltage and a current sensor for generating signals representative of current and voltage at the load; a digital signal processor coupled to said voltage and current sensors comprising a memory including a plurality of selectable instruction sets corresponding to said preselected meter base form type, said digital signal processor configured to select and execute at least one of said plurality of instruction sets based on the electrical service type to which said meter base is electrically connected; a microcomputer coupled to said digital signal processor for receiving data therefrom; and an optical port electrically coupled to said microcomputer.

Claim 3

Dependent Claim 39 words

An electricity meter in accordance with claim 1 wherein said microcomputer is operable to transmit a selection command to said digital signal processor to control selection of one of said instruction sets stored in said digital signal processor memory.

Claim 4

Dependent Claim 32 words

An electricity meter in accordance with claim 2 wherein said microcomputer is configured to receive a control command from said optical port and using the control command, to generate the selection command.

Claim 5

Dependent Claim 32 words

An electricity meter in accordance with claim 1 wherein the preselected form type of said meter base includes one of a meter ANSI form 9 and a meter ANSI form 16 .

Claim 6

Dependent Claim 30 words

An electricity meter in accordance with claim 4 wherein the instruction sets include processing steps to be executed to determine line voltages and line currents for the respective meter form.

Claim 7

Dependent Claim 54 words

An electricity meter in accordance with claim 4 wherein said ANSI form 9 meter base configured for electrical connection with the electrical service types including at least one of a 4W-Y electrical connection, a 4W-Δ electrical connection, a 3W-Δ electrical connection, a 3W− 1 Φ electrical connection, and a 2W− 1 Φ electrical connection.

Claim 8

Dependent Claim 61 words

An electricity meter in accordance with claim 4 wherein said ANSI form 16 meter base configured for electrical connection with the electrical service types including at least one of a one of a 4W-Y electrical connection, a 4W-Δ electrical connection, a 3W-Δ electrical connection, a 3W-Network electrical connection, a 3W− 1 Φ electrical connection, and a 2W− 1 Φ electrical connection.

Claim 9

Dependent Claim 98 words

A processor for an electricity meter, the meter including a base having a preselected form type connectable to a plurality of electrical service types, said processor comprising: a memory including a plurality of selectable instruction sets corresponding to the preselected meter base form type; and a processing unit for performing energy consumption calculations, said processing unit configured to select at least one of said instruction sets such that upon execution of said instruction set the energy consumption calculations are performed within said electricity meter according to the electrical service type to which the meter base is electrically connected.

Claim 10

Dependent Claim 98 words

A processor for an electricity meter, the meter including a base having a preselected form type connectable to a plurality of electrical service types, said processor comprising: a memory including a plurality of selectable instruction sets corresponding to the preselected meter base form type; and a processing unit for performing energy consumption calculations, said processing unit configured to select at least one of said instruction sets such that upon execution of said instruction set the energy consumption calculations are performed within said electricity meter according to the electrical service type to which the meter base is electrically connected.

Claim 11

Dependent Claim 30 words

A processor in accordance with claim 8 wherein the preselected form of the meter base includes one of a meter ANSI form 9 and a meter ANSI form 16 .

Claim 12

Dependent Claim 29 words

A processor in accordance with claim 9 wherein the instruction sets include processing steps to be executed to determine line voltages and line currents for the respective meter form.

Claim 13

Dependent Claim 53 words

A processor in accordance with claim 9 wherein said ANSI form 9 meter base configured for electrical connection with the electrical service types including at least one of a 4W-Y electrical connection, a 4W-Δ electrical connection, a 3W-Δ electrical connection, a 3W− 1 Φ electrical connection, and a 2W− 1 Φ electrical connection.

Claim 14

Dependent Claim 57 words

A processor in accordance with claim 9 wherein said ANSI form 16 meter base configured for electrical connection with the electrical service types including at least one of a 4W-Y electrical connection, a 4W-Δ electrical connection, a 3W-Δ electrical connection, a 3W-Network electrical connection, a 3W− 1 Φ electrical connection, and a 2W− 1 Φ electrical connection.

Claim 15

Dependent Claim 43 words

A processor in accordance with claim 8 comprising an input configured to be coupled to a microcomputer operable transmit a selection command to said digital signal processor to control selection of one of said instruction sets stored in said digital signal processor memory.

Claim 16

Independent Claim 151 words

A method of operating an electricity meter for measuring energy consumption of a load and connectable to a plurality of electrical service types, the meter including a meter base having a preselected form type electrically connectable to each of the electrical service types, at least one of a voltage and a current sensor for generating signals representative of current and voltage at the load, a digital signal processor electrically coupled to the voltage and current sensors including a memory having stored therein a plurality of selectable instruction sets corresponding to the preselected meter base form type, a microcomputer coupled to the digital signal processor and an optical port electrically coupled to said microcomputer, said method comprising the steps of: selecting at least one of the instructions sets based on the electrical service type to which the meter base is electrically connected; and executing the instructions contained in the selected instruction set.

Claim 17

Independent Claim 151 words

A method of operating an electricity meter for measuring energy consumption of a load and connectable to a plurality of electrical service types, the meter including a meter base having a preselected form type electrically connectable to each of the electrical service types, at least one of a voltage and a current sensor for generating signals representative of current and voltage at the load, a digital signal processor electrically coupled to the voltage and current sensors including a memory having stored therein a plurality of selectable instruction sets corresponding to the preselected meter base form type, a microcomputer coupled to the digital signal processor and an optical port electrically coupled to said microcomputer, said method comprising the steps of: selecting at least one of the instructions sets based on the electrical service type to which the meter base is electrically connected; and executing the instructions contained in the selected instruction set.

Claim 18

Dependent Claim 52 words

A method in accordance with claim 14 wherein said step of selecting comprising the steps of: receiving a control command at the microcomputer; transmitting a selection command to the digital signal processor and; controlling selection of one of the instruction sets stored in the digital signal processor memory using the selection command.

Claim 19

Dependent Claim 37 words

A method in accordance with claim 15 wherein the step of receiving a control command comprises the steps of: receiving the control command from the optical port; and using the control command to generate the selection command.

Claim 20

Dependent Claim 61 words

A method in accordance with claim 14 wherein the preselected form type includes at least one of a meter ANSI form 9 and meter ANSI form 16 , and the instruction sets include processing steps, said step of executing the instructions comprises the step of executing the processing steps to determine line voltages and line currents for the respective meter form.

Claim 21

Dependent Claim 57 words

A method in accordance with claim 10 wherein said ANSI form 16 meter base configured for electrical connection with the electrical service type including at least one of a 4W-Y electrical connection, a 4W-Δ electrical connection, a 3W-Δ electrical connection, a 3W-Network electrical connection, a 3W− 1 Φ electrical connection, and a 2W− 1 Φ electrical connection.

Claim 22

Dependent Claim 52 words

A method in accordance with claim 10 wherein said ANSI form 9 meter base configured for electrical connection with the electrical service type including at least one of a 4W-Y electrical connection, a 4W-Δ electrical connection, a 3W-Δ electrical connection, a 3W− 1 Φ electrical connection, a 2W− 1 Φ electrical connection.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2006-08-25	2007-02-24	2007-08-26	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2010-08-25	2011-02-24	2011-08-26	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2014-08-25	2015-02-24	2015-08-26	$7700.00	Window Closed / Lapsed

Electronic electricity meter configurable to operate in a plurality of meter forms and ratings

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