AT52438B - Device for determining attempts to influence electricity meters by magnets or magnetic fields. - Google Patents

Device for determining attempts to influence electricity meters by magnets or magnetic fields.

Info

Publication number
AT52438B
AT52438B AT52438DA AT52438B AT 52438 B AT52438 B AT 52438B AT 52438D A AT52438D A AT 52438DA AT 52438 B AT52438 B AT 52438B
Authority
AT
Austria
Prior art keywords
magnets
attempts
determining
magnetic fields
electricity meters
Prior art date
Application number
Other languages
German (de)
Inventor
Karl Wolf
Original Assignee
Karl Wolf
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 Karl Wolf filed Critical Karl Wolf
Application granted granted Critical
Publication of AT52438B publication Critical patent/AT52438B/en

Links

AT52438D 1911-05-06 1911-05-06 Device for determining attempts to influence electricity meters by magnets or magnetic fields. AT52438B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT52438T 1911-05-06

Publications (1)

Publication Number Publication Date
AT52438B true AT52438B (en) 1912-02-26

Family

ID=3573571

Family Applications (1)

Application Number Title Priority Date Filing Date
AT52438D AT52438B (en) 1911-05-06 1911-05-06 Device for determining attempts to influence electricity meters by magnets or magnetic fields.

Country Status (1)

Country Link
AT (1) AT52438B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1028815B (en) * 1955-06-21 1958-04-24 Kienzle Apparate Gmbh Eddy current tachograph with a device for identifying influences by an external field
DE2728896A1 (en) * 1977-06-03 1978-12-07 Landis & Gyr Ag Electricity meter unauthorised magnetic interference detector - undergoes permanent change in magnetic field using either magnetically-operated leaf microswitch or resonant circuit
WO2008078108A3 (en) * 2006-12-27 2008-08-28 Polymeters Response Internat L Magnetic field indicator and utility meter incorporating the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1028815B (en) * 1955-06-21 1958-04-24 Kienzle Apparate Gmbh Eddy current tachograph with a device for identifying influences by an external field
DE2728896A1 (en) * 1977-06-03 1978-12-07 Landis & Gyr Ag Electricity meter unauthorised magnetic interference detector - undergoes permanent change in magnetic field using either magnetically-operated leaf microswitch or resonant circuit
WO2008078108A3 (en) * 2006-12-27 2008-08-28 Polymeters Response Internat L Magnetic field indicator and utility meter incorporating the same

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