GB2303712B - Apparatus for and a method of detecting a cyclic variation of a signal - Google Patents

Apparatus for and a method of detecting a cyclic variation of a signal

Info

Publication number
GB2303712B
GB2303712B GB9614863A GB9614863A GB2303712B GB 2303712 B GB2303712 B GB 2303712B GB 9614863 A GB9614863 A GB 9614863A GB 9614863 A GB9614863 A GB 9614863A GB 2303712 B GB2303712 B GB 2303712B
Authority
GB
United Kingdom
Prior art keywords
detecting
signal
cyclic variation
cyclic
variation
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9614863A
Other versions
GB9614863D0 (en
GB2303712A (en
Inventor
Alan John Jones
Robert Trevor Benson
Jonathan David Mills
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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
Priority claimed from GBGB9515254.2A external-priority patent/GB9515254D0/en
Application filed by General Electric Co PLC filed Critical General Electric Co PLC
Publication of GB9614863D0 publication Critical patent/GB9614863D0/en
Publication of GB2303712A publication Critical patent/GB2303712A/en
Application granted granted Critical
Publication of GB2303712B publication Critical patent/GB2303712B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/36—Forming the light into pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Optical Recording Or Reproduction (AREA)
GB9614863A 1995-07-25 1996-07-15 Apparatus for and a method of detecting a cyclic variation of a signal Expired - Fee Related GB2303712B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9515254.2A GB9515254D0 (en) 1995-07-25 1995-07-25 Apparatus for detecting a cyclic variation of a signal
GBGB9600484.1A GB9600484D0 (en) 1995-07-25 1996-01-10 Apparatus for detecting a cyclic variation of a signal

Publications (3)

Publication Number Publication Date
GB9614863D0 GB9614863D0 (en) 1996-09-04
GB2303712A GB2303712A (en) 1997-02-26
GB2303712B true GB2303712B (en) 1997-06-25

Family

ID=26307460

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9614863A Expired - Fee Related GB2303712B (en) 1995-07-25 1996-07-15 Apparatus for and a method of detecting a cyclic variation of a signal

Country Status (3)

Country Link
AU (1) AU6527796A (en)
GB (1) GB2303712B (en)
WO (1) WO1997005454A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2326243B (en) * 1997-06-11 2000-10-11 Abb Metering Syst Ltd Improvements in or relating to electricity consumption meters
GB2349945B (en) * 1999-05-13 2004-01-21 Schlumberger Ind Ltd A method of detecting rotation of an electricity meter disk,and apparatus for implementing the method
EP2108925A1 (en) * 2008-04-08 2009-10-14 Ansaldo Energia S.P.A. A method and device for counting the number of revolutions of an alternator
FR2987440B1 (en) * 2012-02-29 2014-03-07 Schneider Electric Ind Sas METHOD FOR CALIBRATING AN APPARATUS FOR COUNTING TOWERS OF A MARKED MARK IN A CONSUMER COUNTER AND ELECTRONIC APPARATUS FOR COUNTING TOWERS OF SUCH A MARK
WO2018127489A1 (en) 2017-01-04 2018-07-12 Northq Aps A method and a system for obtaining information from a utility meter
EP3382345A1 (en) * 2017-03-30 2018-10-03 NorthQ ApS A method and a system for obtaining information from a utility meter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025207A (en) * 1988-07-22 1991-06-18 Thomson-Lgt Laboratoire General Des Telecommunications Method for the measurement of a steady level in a noise-infested signal and automatic measuring device for the application of this method
EP0547879A1 (en) * 1991-12-17 1993-06-23 Schlumberger Industries Limited Meter output devices

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025207A (en) * 1988-07-22 1991-06-18 Thomson-Lgt Laboratoire General Des Telecommunications Method for the measurement of a steady level in a noise-infested signal and automatic measuring device for the application of this method
EP0547879A1 (en) * 1991-12-17 1993-06-23 Schlumberger Industries Limited Meter output devices

Also Published As

Publication number Publication date
GB9614863D0 (en) 1996-09-04
WO1997005454A1 (en) 1997-02-13
AU6527796A (en) 1997-02-26
GB2303712A (en) 1997-02-26

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030715