JPS5877008A - 速度適応性カ−ド・デ−タ感知兼記憶装置 - Google Patents

速度適応性カ−ド・デ−タ感知兼記憶装置

Info

Publication number
JPS5877008A
JPS5877008A JP57162415A JP16241582A JPS5877008A JP S5877008 A JPS5877008 A JP S5877008A JP 57162415 A JP57162415 A JP 57162415A JP 16241582 A JP16241582 A JP 16241582A JP S5877008 A JPS5877008 A JP S5877008A
Authority
JP
Japan
Prior art keywords
circuit
data
output
transducer
card
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.)
Granted
Application number
JP57162415A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0248992B2 (enExample
Inventor
ケネス・エドワ−ド・パウエル
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPS5877008A publication Critical patent/JPS5877008A/ja
Publication of JPH0248992B2 publication Critical patent/JPH0248992B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/01—Details
    • G06K7/016—Synchronisation of sensing process

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP57162415A 1981-10-28 1982-09-20 速度適応性カ−ド・デ−タ感知兼記憶装置 Granted JPS5877008A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/315,761 US4486653A (en) 1981-10-28 1981-10-28 Adaptive rate card data reproducing and storing apparatus
US315761 1981-10-28

Publications (2)

Publication Number Publication Date
JPS5877008A true JPS5877008A (ja) 1983-05-10
JPH0248992B2 JPH0248992B2 (enExample) 1990-10-26

Family

ID=23225946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57162415A Granted JPS5877008A (ja) 1981-10-28 1982-09-20 速度適応性カ−ド・デ−タ感知兼記憶装置

Country Status (5)

Country Link
US (1) US4486653A (enExample)
EP (1) EP0078426B1 (enExample)
JP (1) JPS5877008A (enExample)
CA (1) CA1183953A (enExample)
DE (1) DE3268992D1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3503443A1 (de) * 1984-02-02 1985-08-08 Sharp K.K., Osaka Steuersystem zur bestimmung der kartengeschwindigkeit in einem kartenleser
SG42858A1 (en) * 1992-04-15 1997-10-17 Ibm Method and arrangement for decoding F2F signals read from a magnetic disk carrier
US6476743B1 (en) 1999-05-12 2002-11-05 Iders Incorporated Magnetic stripe reader
US8985449B2 (en) * 2012-09-11 2015-03-24 Maxim Integrated Products, Inc. Magnetic stripe reader

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597751A (en) * 1969-04-21 1971-08-03 Ibm Signal recovery system for use with magnetic media
US3749889A (en) * 1971-08-19 1973-07-31 Interface Ind Inc Reader apparatus for reading record materials at speeds which are independent of recording speeds
US3761880A (en) * 1972-03-03 1973-09-25 Computer Transceiver Systems Variable speed printer
US3751639A (en) * 1972-06-08 1973-08-07 Raytheon Co Card reader system
US3902129A (en) * 1972-09-07 1975-08-26 Ibm Demodulating circuitry for pulse rate modulation data reproduction
US3864548A (en) * 1973-03-27 1975-02-04 Rca Corp Machine for reading article carrying coded indicia
US3946206A (en) * 1974-08-21 1976-03-23 R. D. Products, Inc. Magnetic-type information card and method and apparatus for encoding and reading
FR2443170A1 (fr) * 1974-11-08 1980-06-27 Ibm Procede de codage de donnees en code f2f, et procede et appareil pour l'interpretation de ces donnees
US3947662A (en) * 1974-12-31 1976-03-30 International Business Machines Corporation Distorted two frequency coded data interpreting method and apparatus
US4114031A (en) * 1975-08-29 1978-09-12 Documation Incorporated Data card reader employing synchronization and resynchronization means
US4143355A (en) * 1977-08-29 1979-03-06 Signature Guardian Systems, Inc. Character recognition system
US4184179A (en) * 1978-02-24 1980-01-15 Cubic Western Data Reproduction of binary signals from a recording medium that may be read at varying speeds
US4187980A (en) * 1978-06-29 1980-02-12 Peripheral Dynamics, Inc. Badge reader with reliable data clocking means
US4264934A (en) * 1979-04-23 1981-04-28 Bell Telephone Laboratories, Incorporated Rate adaptive writer for a card having a magnetizable surface
US4394621A (en) * 1980-12-08 1983-07-19 International Business Machines Corporation Electronic velocity measurement especially for self-clocking write head
US4345278A (en) * 1980-12-08 1982-08-17 International Business Machines Corporation Acceleration correction for self-clocking write-head

Also Published As

Publication number Publication date
CA1183953A (en) 1985-03-12
EP0078426B1 (en) 1986-02-05
EP0078426A1 (en) 1983-05-11
JPH0248992B2 (enExample) 1990-10-26
DE3268992D1 (en) 1986-03-20
US4486653A (en) 1984-12-04

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