CA957862A - Tamper-proof, card-operable magnetic locking mechanism - Google Patents

Tamper-proof, card-operable magnetic locking mechanism

Info

Publication number
CA957862A
CA957862A CA128,380A CA128380A CA957862A CA 957862 A CA957862 A CA 957862A CA 128380 A CA128380 A CA 128380A CA 957862 A CA957862 A CA 957862A
Authority
CA
Canada
Prior art keywords
tamper
proof
card
locking mechanism
magnetic locking
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
CA128,380A
Other versions
CA128380S (en
Inventor
Bruce S. Sedley
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.)
BOEHME (H O)
Original Assignee
BOEHME (H O)
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 BOEHME (H O) filed Critical BOEHME (H O)
Application granted granted Critical
Publication of CA957862A publication Critical patent/CA957862A/en
Expired 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
    • E05B47/0043—Mechanical locks operated by cards having permanent magnets
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/215—Individual registration on entry or exit involving the use of a pass the system having a variable access-code, e.g. varied as a function of time
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
    • H01H27/10—Switch operated by setting members according to a single predetermined combination out of several possible settings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/08—Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys
    • E05B35/083—Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys with changeable combination
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7051—Using a powered device [e.g., motor]
    • Y10T70/7057—Permanent magnet

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
CA128,380A 1971-05-21 1971-11-23 Tamper-proof, card-operable magnetic locking mechanism Expired CA957862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14570171A 1971-05-21 1971-05-21

Publications (1)

Publication Number Publication Date
CA957862A true CA957862A (en) 1974-11-19

Family

ID=22514168

Family Applications (1)

Application Number Title Priority Date Filing Date
CA128,380A Expired CA957862A (en) 1971-05-21 1971-11-23 Tamper-proof, card-operable magnetic locking mechanism

Country Status (4)

Country Link
US (1) US3705277A (en)
CA (1) CA957862A (en)
DE (1) DE2224692A1 (en)
FR (1) FR2138594B1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813663A (en) * 1972-11-10 1974-05-28 D Perkins Electrical locking alarm system
US3851505A (en) * 1973-05-01 1974-12-03 L Wilkinson Card holder for vehicles
US4133194A (en) * 1976-12-02 1979-01-09 Bruce S. Sedley Magnetic key operated door lock
US4312198A (en) * 1979-08-09 1982-01-26 Sedley Bruce S Magnetic key operated hotel door lock
DE3819954A1 (en) * 1988-06-11 1989-12-14 Schulte Schlagbaum Ag Locking apparatus with an address store
US5181407A (en) * 1991-11-13 1993-01-26 Wu Wen Yin Card lock and a punchable key card
EP0756053A3 (en) * 1995-07-25 1997-06-11 Schulte Schlagbaum Ag Keycard with partially magnetised areas
JP2005503505A (en) * 2001-09-14 2005-02-03 計電産業株式会社 Card type key

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2648729A (en) * 1950-08-09 1953-08-11 Maurice J Noregaard Lock release operated switch
US2769873A (en) * 1952-12-06 1956-11-06 Maurice J Noregaard Key operated multiple electric circuit switch
US2931953A (en) * 1954-06-22 1960-04-05 Carroll Conklin Magnetically controlled lock and switch
US3444711A (en) * 1966-11-04 1969-05-20 Bruce S Sedley Magnetically operated mechanism and magnetic card
US3595042A (en) * 1969-08-25 1971-07-27 Boehme Inc H O Locking mechanism

Also Published As

Publication number Publication date
DE2224692A1 (en) 1972-12-21
FR2138594B1 (en) 1973-07-13
US3705277A (en) 1972-12-05
FR2138594A1 (en) 1973-01-05

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