CH557072A - Magnetische messfuehlereinrichtung zur ermittlung der polaritaet von magnetfeldern von punktmagneten auf einer karte. - Google Patents

Magnetische messfuehlereinrichtung zur ermittlung der polaritaet von magnetfeldern von punktmagneten auf einer karte.

Info

Publication number
CH557072A
CH557072A CH734172A CH734172A CH557072A CH 557072 A CH557072 A CH 557072A CH 734172 A CH734172 A CH 734172A CH 734172 A CH734172 A CH 734172A CH 557072 A CH557072 A CH 557072A
Authority
CH
Switzerland
Prior art keywords
polarity
map
determining
sensor device
magnetic
Prior art date
Application number
CH734172A
Other languages
German (de)
English (en)
Original Assignee
Rusco Ind 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 Rusco Ind Inc filed Critical Rusco Ind Inc
Publication of CH557072A publication Critical patent/CH557072A/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)
CH734172A 1971-05-17 1972-05-17 Magnetische messfuehlereinrichtung zur ermittlung der polaritaet von magnetfeldern von punktmagneten auf einer karte. CH557072A (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH557072A true CH557072A (de) 1974-12-13

Family

ID=22506534

Family Applications (1)

Application Number Title Priority Date Filing Date
CH734172A CH557072A (de) 1971-05-17 1972-05-17 Magnetische messfuehlereinrichtung zur ermittlung der polaritaet von magnetfeldern von punktmagneten auf einer karte.

Country Status (9)

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

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 (fr) 1972-11-21
FR2137953A1 (fr) 1972-12-29
US3717749A (en) 1973-02-20
DE2223866B2 (de) 1981-02-05
DE2223866A1 (de) 1972-12-07
DE2223866C3 (de) 1981-11-05
NL174880C (nl) 1984-08-16
FR2137953B1 (fr) 1976-08-13
CA962768A (en) 1975-02-11
JPS5529485B1 (fr) 1980-08-04

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Legal Events

Date Code Title Description
PFA Name/firm changed

Owner name: FIGGIE INTERNATIONAL INC.

PL Patent ceased