GB8307450D0 - Magnetic key - Google Patents

Magnetic key

Info

Publication number
GB8307450D0
GB8307450D0 GB838307450A GB8307450A GB8307450D0 GB 8307450 D0 GB8307450 D0 GB 8307450D0 GB 838307450 A GB838307450 A GB 838307450A GB 8307450 A GB8307450 A GB 8307450A GB 8307450 D0 GB8307450 D0 GB 8307450D0
Authority
GB
United Kingdom
Prior art keywords
magnetic key
key
magnetic
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.)
Pending
Application number
GB838307450A
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
Application filed by Lowe and Fletcher Ltd filed Critical Lowe and Fletcher Ltd
Priority to GB838307450A priority Critical patent/GB8307450D0/en
Publication of GB8307450D0 publication Critical patent/GB8307450D0/en
Priority to AU24588/84A priority patent/AU570031B2/en
Priority to GB08403979A priority patent/GB2137419B/en
Priority to ZA841118A priority patent/ZA841118B/en
Priority to CA000449929A priority patent/CA1233040A/en
Priority to GB08608131A priority patent/GB2173954B/en
Priority to CA000512140A priority patent/CA1260284A/en
Priority to AU71309/87A priority patent/AU593899B2/en
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
    • E05B47/0045—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets keys with permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/20—Electromagnets; Actuators including electromagnets without armatures

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Looms (AREA)
GB838307450A 1983-03-17 1983-03-17 Magnetic key Pending GB8307450D0 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GB838307450A GB8307450D0 (en) 1983-03-17 1983-03-17 Magnetic key
AU24588/84A AU570031B2 (en) 1983-03-17 1984-02-14 Magnetising apparatus
GB08403979A GB2137419B (en) 1983-03-17 1984-02-15 Magnetising apparatus
ZA841118A ZA841118B (en) 1983-03-17 1984-02-15 Magnetic key and apparatus for magnetising and identifying same
CA000449929A CA1233040A (en) 1983-03-17 1984-03-19 Magnetic key and apparatus for magnetising and identifying same
GB08608131A GB2173954B (en) 1983-03-17 1986-04-03 Magnetic key
CA000512140A CA1260284A (en) 1983-03-17 1986-06-20 Cylindrical key shank of magnetic material magnetised by apparatus
AU71309/87A AU593899B2 (en) 1983-03-17 1987-04-08 Magnetic key and apparatus for magnetising and identifying same

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB8307450D0 true GB8307450D0 (en) 1983-04-27

Family

ID=10539770

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838307450A Pending GB8307450D0 (en) 1983-03-17 1983-03-17 Magnetic key
GB08608131A Expired GB2173954B (en) 1983-03-17 1986-04-03 Magnetic key

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB08608131A Expired GB2173954B (en) 1983-03-17 1986-04-03 Magnetic key

Country Status (2)

Country Link
GB (2) GB8307450D0 (en)
ZA (1) ZA841118B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1189187B (en) * 1963-09-24 1965-03-18 Philips Patentverwaltung Ring-shaped two-pole permanent magnet made of oxide material for direct current motors with three-pole armature

Also Published As

Publication number Publication date
ZA841118B (en) 1984-10-31
GB2173954A (en) 1986-10-22
GB2173954B (en) 1987-11-11
GB8608131D0 (en) 1986-05-08

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