NL7202421A - - Google Patents

Info

Publication number
NL7202421A
NL7202421A NL7202421A NL7202421A NL7202421A NL 7202421 A NL7202421 A NL 7202421A NL 7202421 A NL7202421 A NL 7202421A NL 7202421 A NL7202421 A NL 7202421A NL 7202421 A NL7202421 A NL 7202421A
Authority
NL
Netherlands
Application number
NL7202421A
Other versions
NL176024C (en
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 filed Critical
Publication of NL7202421A publication Critical patent/NL7202421A/xx
Application granted granted Critical
Publication of NL176024C publication Critical patent/NL176024C/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/083—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive
    • G06K7/085—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive metal detectors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/087—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors flux-sensitive, e.g. magnetic, detectors
    • 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
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00658—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys
    • G07C9/00722—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with magnetic components, e.g. magnets, magnetic strips, metallic inserts
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Lock And Its Accessories (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Coin-Freed Apparatuses For Hiring Articles (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Heads (AREA)
NLAANVRAGE7202421,A 1971-02-25 1972-02-24 MAGNETIC OPERATING SYSTEM. NL176024C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971011554U JPS5040781Y2 (en) 1971-02-25 1971-02-25

Publications (2)

Publication Number Publication Date
NL7202421A true NL7202421A (en) 1972-08-29
NL176024C NL176024C (en) 1985-02-01

Family

ID=11781153

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7202421,A NL176024C (en) 1971-02-25 1972-02-24 MAGNETIC OPERATING SYSTEM.

Country Status (7)

Country Link
US (1) US3744027A (en)
JP (1) JPS5040781Y2 (en)
CA (1) CA954625A (en)
DE (1) DE2208772C2 (en)
FR (1) FR2127811A5 (en)
GB (1) GB1383702A (en)
NL (1) NL176024C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5441770Y2 (en) * 1974-09-12 1979-12-06
DE2753381A1 (en) * 1977-11-30 1979-06-07 Sachs Systemtechnik Gmbh MAGNETIC SWITCH LOCK
JPS59102066A (en) * 1982-12-03 1984-06-12 株式会社　マコメ研究所 Magnetic card collator
GB2137685B (en) * 1983-02-16 1987-10-21 Kumahira Safe Co Magnetic lock

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE370427C (en) * 1921-12-16 1923-03-02 Martin Hamel Electric security lock
GB867663A (en) * 1957-03-13 1961-05-10 Bush And Rank Cintel Ltd Improvements in or relating to electrical locks
GB1006095A (en) * 1961-01-13 1965-09-29 Adolf Heinrich Michel Keying devices, particularly for electrical musical instruments
US3327290A (en) * 1963-03-25 1967-06-20 Amp Inc Dial sequence detector
BE638197A (en) * 1963-10-03 1964-04-03 Acec Intrinsically Safe Logic Circuits
US3453598A (en) * 1965-06-03 1969-07-01 Nasco Design Corp Credit card verifier using transformers

Also Published As

Publication number Publication date
US3744027A (en) 1973-07-03
FR2127811A5 (en) 1972-10-13
CA954625A (en) 1974-09-10
JPS478599U (en) 1972-10-02
GB1383702A (en) 1974-02-12
DE2208772C2 (en) 1982-08-19
DE2208772A1 (en) 1972-08-31
NL176024C (en) 1985-02-01
JPS5040781Y2 (en) 1975-11-20

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01