MXPA02004716A - Low impedance encoder for a utility meter. - Google Patents

Low impedance encoder for a utility meter.

Info

Publication number
MXPA02004716A
MXPA02004716A MXPA02004716A MXPA02004716A MXPA02004716A MX PA02004716 A MXPA02004716 A MX PA02004716A MX PA02004716 A MXPA02004716 A MX PA02004716A MX PA02004716 A MXPA02004716 A MX PA02004716A MX PA02004716 A MXPA02004716 A MX PA02004716A
Authority
MX
Mexico
Prior art keywords
switch
low impedance
utility meter
current flow
impedance encoder
Prior art date
Application number
MXPA02004716A
Other languages
Spanish (es)
Inventor
Fitzgerald Aaron
Original Assignee
Itron Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Itron Inc filed Critical Itron Inc
Publication of MXPA02004716A publication Critical patent/MXPA02004716A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/07—Integration to give total flow, e.g. using mechanically-operated integrating mechanism
    • G01F15/075—Integration to give total flow, e.g. using mechanically-operated integrating mechanism using electrically-operated integrating means
    • G01F15/0755—Integration to give total flow, e.g. using mechanically-operated integrating mechanism using electrically-operated integrating means involving digital counting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D4/00—Tariff metering apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/06—Indicating or recording devices
    • G01F15/061—Indicating or recording devices for remote indication
    • G01F15/063—Indicating or recording devices for remote indication using electrical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

A low impedance encoder generally comprises a clock source and a switch. The clock source operates according to a predetermined duty cycle. The switch has a first position, closed, and a second position, opened. The duty cycle controls a current flow the switch. A high current flow through the switch indicates that the switch is closed and that the consumption of a utility as registered by the utility meter has occured; the switch will continue to open and close throughout the metering process. A low current flow through the switch indicates that the switch is open.
MXPA02004716A 1999-11-12 2000-11-13 Low impedance encoder for a utility meter. MXPA02004716A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16513199P 1999-11-12 1999-11-12
PCT/US2000/031091 WO2001035058A1 (en) 1999-11-12 2000-11-13 Low impedance encoder for a utility meter

Publications (1)

Publication Number Publication Date
MXPA02004716A true MXPA02004716A (en) 2003-06-24

Family

ID=22597558

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA02004716A MXPA02004716A (en) 1999-11-12 2000-11-13 Low impedance encoder for a utility meter.

Country Status (8)

Country Link
EP (1) EP1236020A1 (en)
JP (1) JP2003514235A (en)
CN (1) CN1390296A (en)
AU (1) AU1601401A (en)
BR (1) BR0015499A (en)
CA (1) CA2391006A1 (en)
MX (1) MXPA02004716A (en)
WO (1) WO2001035058A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10112089B4 (en) 2001-03-12 2004-03-04 Microfaser Produktionsgesellschaft Mbh Device for the production of synthetic fibers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03239919A (en) * 1990-02-16 1991-10-25 Toshiba Corp Gas flow rate meter
DE19740932A1 (en) * 1997-09-17 1999-04-01 Siemens Ag Circuit arrangement for determining the output power of a switching power supply

Also Published As

Publication number Publication date
EP1236020A1 (en) 2002-09-04
JP2003514235A (en) 2003-04-15
CN1390296A (en) 2003-01-08
BR0015499A (en) 2002-07-23
WO2001035058A1 (en) 2001-05-17
AU1601401A (en) 2001-06-06
CA2391006A1 (en) 2001-05-17

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Legal Events

Date Code Title Description
FA Abandonment or withdrawal