CA1233040A - MAGNETIC KEY, AND DEVICE USED FOR ITS MAGNETIC AND IDENTIFICATION - Google Patents

MAGNETIC KEY, AND DEVICE USED FOR ITS MAGNETIC AND IDENTIFICATION

Info

Publication number
CA1233040A
CA1233040A CA000449929A CA449929A CA1233040A CA 1233040 A CA1233040 A CA 1233040A CA 000449929 A CA000449929 A CA 000449929A CA 449929 A CA449929 A CA 449929A CA 1233040 A CA1233040 A CA 1233040A
Authority
CA
Canada
Prior art keywords
magnetising
magnetic key
identifying same
key
shank
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
Application number
CA000449929A
Other languages
English (en)
French (fr)
Other versions
CA1260284C (h
Inventor
Leslie V Herriott
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.)
Lowe and Fletcher Ltd
Original Assignee
Lowe and Fletcher Ltd
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 GB838307450A external-priority patent/GB8307450D0/en
Priority claimed from GB838316925A external-priority patent/GB8316925D0/en
Application filed by Lowe and Fletcher Ltd filed Critical Lowe and Fletcher Ltd
Priority to CA000512140A priority Critical patent/CA1260284A/en
Application granted granted Critical
Publication of CA1233040A publication Critical patent/CA1233040A/en
Publication of CA1260284C publication Critical patent/CA1260284C/xx
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Supports Or Holders For Household Use (AREA)
CA000449929A 1983-03-17 1984-03-19 MAGNETIC KEY, AND DEVICE USED FOR ITS MAGNETIC AND IDENTIFICATION Expired CA1233040A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000512140A CA1260284A (en) 1983-03-17 1986-06-20 Cylindrical key shank of magnetic material magnetised by apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838307450A GB8307450D0 (en) 1983-03-17 1983-03-17 Magnetic key
GB838316925A GB8316925D0 (en) 1983-06-22 1983-06-22 Magnetic key

Publications (2)

Publication Number Publication Date
CA1233040A true CA1233040A (en) 1988-02-23
CA1260284C CA1260284C (h) 1989-09-26

Family

ID=26285553

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000449929A Expired CA1233040A (en) 1983-03-17 1984-03-19 MAGNETIC KEY, AND DEVICE USED FOR ITS MAGNETIC AND IDENTIFICATION

Country Status (2)

Country Link
AU (2) AU570031B2 (h)
CA (1) CA1233040A (h)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1189187B (de) * 1963-09-24 1965-03-18 Philips Patentverwaltung Ringfoermiger zweipoliger Dauermagnet aus Oxydwerkstoff fuer Gleichstrommotore mit dreipoligem Anker
DE2814392C2 (de) * 1977-04-13 1983-10-27 Evva-Werk Spezialerzeugung von Zylinder- und Sicherheitsschlössern GmbH & Co KG, 1120 Wien Oberflächenmagnetisierungsvorrichtung
JPH0323707B2 (h) * 1978-02-18 1991-03-29 Ro Ando Furetsuchaa Ltd
JPS584070A (ja) * 1981-06-22 1983-01-11 ブル−ス・サミユエル・セドレ− ロック機構及びロック機構用磁石の磁化方法

Also Published As

Publication number Publication date
AU2458884A (en) 1984-09-20
AU593899B2 (en) 1990-02-22
AU570031B2 (en) 1988-03-03
CA1260284C (h) 1989-09-26
AU7130987A (en) 1987-07-30

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Legal Events

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