NL174880C - Sensor voor een magnetische stip in een kaart. - Google Patents

Sensor voor een magnetische stip in een kaart.

Info

Publication number
NL174880C
NL174880C NLAANVRAGE7206624,A NL7206624A NL174880C NL 174880 C NL174880 C NL 174880C NL 7206624 A NL7206624 A NL 7206624A NL 174880 C NL174880 C NL 174880C
Authority
NL
Netherlands
Prior art keywords
card
sensor
magnetic dot
dot
magnetic
Prior art date
Application number
NLAANVRAGE7206624,A
Other languages
English (en)
Dutch (nl)
Other versions
NL174880B (nl
NL7206624A (xx
Original Assignee
Ato Inc
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 Ato Inc filed Critical Ato Inc
Publication of NL7206624A publication Critical patent/NL7206624A/xx
Publication of NL174880B publication Critical patent/NL174880B/xx
Application granted granted Critical
Publication of NL174880C publication Critical patent/NL174880C/xx

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
    • G06K7/087—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Measuring Magnetic Variables (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
NLAANVRAGE7206624,A 1971-05-17 1972-05-17 Sensor voor een magnetische stip in een kaart. NL174880C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14397971A 1971-05-17 1971-05-17

Publications (3)

Publication Number Publication Date
NL7206624A NL7206624A (xx) 1972-11-21
NL174880B NL174880B (nl) 1984-03-16
NL174880C true NL174880C (nl) 1984-08-16

Family

ID=22506534

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7206624,A NL174880C (nl) 1971-05-17 1972-05-17 Sensor voor een magnetische stip in een kaart.

Country Status (9)

Country Link
US (1) US3717749A (xx)
JP (1) JPS5529485B1 (xx)
CA (1) CA962768A (xx)
CH (1) CH557072A (xx)
DE (1) DE2223866C3 (xx)
FR (1) FR2137953B1 (xx)
GB (1) GB1378707A (xx)
IT (1) IT961179B (xx)
NL (1) NL174880C (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385154A1 (fr) * 1977-03-25 1978-10-20 Metalimphy Procede et dispositif d'identification d'etiquettes codees
US7025265B2 (en) * 2001-04-10 2006-04-11 Excel Precision Corp. Information card system
US8674894B2 (en) * 2008-07-15 2014-03-18 The Charles Machine Works, Inc. Antenna design
US9474465B2 (en) * 2012-06-27 2016-10-25 Ascension Technology Corporation System and method for magnetic position tracking

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2590091A (en) * 1946-04-03 1952-03-25 Remington Rand Inc Magnetic process control
US2559505A (en) * 1948-02-03 1951-07-03 Rca Corp Art of making duplicate magnetic phonograph records
CH405426A (de) * 1961-12-21 1966-01-15 Ibm Magnetkopf zum Aufzeichnen und Ablesen von digitalen Signalen
GB988964A (en) * 1963-03-15 1965-04-14 Thompson Ramo Wooldridge Inc Magnetic field detector
US3521258A (en) * 1963-06-07 1970-07-21 Westinghouse Electric Corp Transducer with thin magnetic strip,drive winding and sense winding
US3419710A (en) * 1965-04-02 1968-12-31 Mkc Electronics Corp Magnetic card reader having sequential indicia sensing means
US3430200A (en) * 1967-06-30 1969-02-25 Walter W Barney Validator apparatus for magnetic credit cards and the like
US3626396A (en) * 1968-10-03 1971-12-07 Ibm Thin-film magnetic recording head

Also Published As

Publication number Publication date
GB1378707A (en) 1974-12-27
IT961179B (it) 1973-12-10
NL174880B (nl) 1984-03-16
NL7206624A (xx) 1972-11-21
FR2137953A1 (xx) 1972-12-29
US3717749A (en) 1973-02-20
CH557072A (de) 1974-12-13
DE2223866B2 (de) 1981-02-05
DE2223866A1 (de) 1972-12-07
DE2223866C3 (de) 1981-11-05
FR2137953B1 (xx) 1976-08-13
CA962768A (en) 1975-02-11
JPS5529485B1 (xx) 1980-08-04

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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
TNT Modifications of names of proprietors of patents or applicants of examined patent applications

Owner name: FIGGIE INTERNATIONAL INC.

V1 Lapsed because of non-payment of the annual fee