CH604183A5 - - Google Patents

Info

Publication number
CH604183A5
CH604183A5 CH685577A CH685577A CH604183A5 CH 604183 A5 CH604183 A5 CH 604183A5 CH 685577 A CH685577 A CH 685577A CH 685577 A CH685577 A CH 685577A CH 604183 A5 CH604183 A5 CH 604183A5
Authority
CH
Switzerland
Application number
CH685577A
Inventor
Tomislav Zajc
Original Assignee
Landis & Gyr Ag
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 Landis & Gyr Ag filed Critical Landis & Gyr Ag
Priority to CH685577A priority Critical patent/CH604183A5/xx
Priority to DE19772728896 priority patent/DE2728896C2/en
Priority to NL7806008A priority patent/NL7806008A/en
Publication of CH604183A5 publication Critical patent/CH604183A5/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02—Constructional details
    • G01R11/24—Arrangements for avoiding or indicating fraudulent use

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
CH685577A 1977-06-03 1977-06-03 CH604183A5 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH685577A CH604183A5 (en) 1977-06-03 1977-06-03
DE19772728896 DE2728896C2 (en) 1977-06-03 1977-06-27 Device for the detection of unauthorized interference with electrical equipment by magnets
NL7806008A NL7806008A (en) 1977-06-03 1978-06-02 DEVICE WITH WHICH THE UNAUTHORIZED INFLUENCE OF ELECTRICAL APPLIANCES BY MAGNETS CAN BE Demonstrated.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH685577A CH604183A5 (en) 1977-06-03 1977-06-03

Publications (1)

Publication Number Publication Date
CH604183A5 true CH604183A5 (en) 1978-08-31

Family

ID=4316083

Family Applications (1)

Application Number Title Priority Date Filing Date
CH685577A CH604183A5 (en) 1977-06-03 1977-06-03

Country Status (3)

Country Link
CH (1) CH604183A5 (en)
DE (1) DE2728896C2 (en)
NL (1) NL7806008A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5113130A (en) * 1990-04-05 1992-05-12 General Electric Company Testing operation of electric energy meter optics system
EP2985612A1 (en) 2014-08-13 2016-02-17 Sagemcom Energy & Telecom Sas Method for detecting fraud in an electric meter

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2906621A1 (en) * 1979-02-21 1980-09-04 Licentia Gmbh Electricity supply meter with protection against tampering - has device to detect and compensate for the influence of foreign magnetic field using shorted turns
DE3829269A1 (en) * 1988-08-30 1990-03-01 Leybold Ag INDICATOR TO DETECT THE EXCEEDMENT OF A PARTICULAR FIELD STRENGTH OF A MAGNETIC FIELD
SI21151A (en) * 2002-01-31 2003-08-31 Iskraemeco, Meter, for example power meter, adapted to prevent misuse by interfering magnetic fields
GB2391948B (en) * 2002-08-15 2006-11-15 Pri Ltd Apparatus for detecting tampering with a utility meter
GB0625939D0 (en) * 2006-12-27 2007-02-07 Polymeters Response Internat L Magnetic field indicator and utility meter incorporating the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT52438B (en) * 1911-05-06 1912-02-26 Karl Wolf Device for determining attempts to influence electricity meters by magnets or magnetic fields.
DE2535466C3 (en) * 1975-08-08 1982-04-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Arrangement to enable the detection of improper magnetic influence on measuring devices, especially electricity meters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5113130A (en) * 1990-04-05 1992-05-12 General Electric Company Testing operation of electric energy meter optics system
EP2985612A1 (en) 2014-08-13 2016-02-17 Sagemcom Energy & Telecom Sas Method for detecting fraud in an electric meter

Also Published As

Publication number Publication date
DE2728896C2 (en) 1984-08-23
NL7806008A (en) 1978-12-05
DE2728896A1 (en) 1978-12-07

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Legal Events

Date Code Title Description
PL Patent ceased