DK146229C - Statisk laeseapparat til magnetkort - Google Patents

Statisk laeseapparat til magnetkort

Info

Publication number
DK146229C
DK146229C DK242272A DK242272A DK146229C DK 146229 C DK146229 C DK 146229C DK 242272 A DK242272 A DK 242272A DK 242272 A DK242272 A DK 242272A DK 146229 C DK146229 C DK 146229C
Authority
DK
Denmark
Prior art keywords
card reader
static magnet
magnet card
static
reader
Prior art date
Application number
DK242272A
Other languages
English (en)
Other versions
DK146229B (da
Inventor
Waldo Isaacson Rogers
Denis Lane Van Pelt
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 DK146229B publication Critical patent/DK146229B/da
Application granted granted Critical
Publication of DK146229C publication Critical patent/DK146229C/da

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)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Credit Cards Or The Like (AREA)
DK242272A 1971-05-17 1972-05-16 Statisk laeseapparat til magnetkort DK146229C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14397871A 1971-05-17 1971-05-17
US14397871 1971-05-17

Publications (2)

Publication Number Publication Date
DK146229B DK146229B (da) 1983-08-01
DK146229C true DK146229C (da) 1984-01-02

Family

ID=22506529

Family Applications (1)

Application Number Title Priority Date Filing Date
DK242272A DK146229C (da) 1971-05-17 1972-05-16 Statisk laeseapparat til magnetkort

Country Status (15)

Country Link
US (1) US3686479A (da)
JP (1) JPS5716403B1 (da)
AU (1) AU461098B2 (da)
BE (1) BE783620A (da)
BR (1) BR7203107D0 (da)
CA (1) CA962769A (da)
CH (1) CH552852A (da)
DE (1) DE2223836C2 (da)
DK (1) DK146229C (da)
FR (1) FR2137952B1 (da)
GB (1) GB1384165A (da)
IL (1) IL39457A (da)
IT (1) IT955606B (da)
NL (1) NL170061C (da)
SE (1) SE389567B (da)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE397595B (sv) * 1973-01-04 1977-11-07 Ato Inc Apparat for astadkommande av selektivt tilltrede eller tillgang
US3885130A (en) * 1973-09-04 1975-05-20 Rusco Ind Inc Value/use control and identification system for magnetic cards
US4004134A (en) * 1975-06-17 1977-01-18 Rusco Industries, Inc. Off-line magnetic card reader system operable as though normally on line
FR2385154A1 (fr) * 1977-03-25 1978-10-20 Metalimphy Procede et dispositif d'identification d'etiquettes codees
JPS59102066A (ja) * 1982-12-03 1984-06-12 株式会社　マコメ研究所 磁気カ−ド照合器
US4573192A (en) * 1984-01-16 1986-02-25 Engineered Systems Inc. End of transaction control system
US4855583A (en) * 1987-08-17 1989-08-08 Figgie International, Inc. Structure and method of making combination proximity/insertion identification cards
DE4003212A1 (de) * 1990-01-31 1991-08-01 Royd Luedtke Einrichtung zur identifikation von stueckguetern
DE4100222A1 (de) * 1991-01-07 1992-07-09 Ernst Gleichauf Vorrichtung zur beruehrungslosen identifikation von gegenstaenden
US7025265B2 (en) * 2001-04-10 2006-04-11 Excel Precision Corp. Information card system
US7290709B2 (en) * 2001-04-10 2007-11-06 Erica Tsai Information card system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3146393A (en) * 1957-03-28 1964-08-25 Monroe Calculating Machine Saturable magnetic device with elliptical core
US2915597A (en) * 1957-07-17 1959-12-01 Ford Motor Co Magnetic head
US3210527A (en) * 1961-06-12 1965-10-05 Ibm Magnetic reader
US3452358A (en) * 1963-05-03 1969-06-24 Westinghouse Electric Corp Magnetically encoded device
US3508031A (en) * 1965-08-23 1970-04-21 Ind Instrumentations Inc Control system employing card having conductive inserts
US3619570A (en) * 1969-05-01 1971-11-09 Int Research Dev Inc Magnetic reading apparatus
AU1706170A (en) * 1969-07-15 1972-01-06 Rusco Industries, Inc Reader apparatus for magnetic credit cards and the like

Also Published As

Publication number Publication date
SE389567B (sv) 1976-11-08
DE2223836C2 (de) 1985-08-29
US3686479A (en) 1972-08-22
GB1384165A (en) 1975-02-19
CH552852A (de) 1974-08-15
AU4241172A (en) 1973-11-22
NL170061B (nl) 1982-04-16
BR7203107D0 (pt) 1973-06-14
IL39457A (en) 1976-09-30
CA962769A (en) 1975-02-11
DK146229B (da) 1983-08-01
DE2223836A1 (de) 1972-12-14
JPS5716403B1 (da) 1982-04-05
FR2137952B1 (da) 1973-07-13
BE783620A (fr) 1972-09-18
IT955606B (it) 1973-09-29
IL39457A0 (en) 1972-07-26
NL7206622A (da) 1972-11-21
FR2137952A1 (da) 1972-12-29
AU461098B2 (en) 1975-05-15
NL170061C (nl) 1982-09-16

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Legal Events

Date Code Title Description
PBP Patent lapsed