GB1208939A - Recovery of normally illegible recorded information - Google Patents

Recovery of normally illegible recorded information

Info

Publication number
GB1208939A
GB1208939A GB3571968A GB3571968A GB1208939A GB 1208939 A GB1208939 A GB 1208939A GB 3571968 A GB3571968 A GB 3571968A GB 3571968 A GB3571968 A GB 3571968A GB 1208939 A GB1208939 A GB 1208939A
Authority
GB
United Kingdom
Prior art keywords
track
error
reading
read
illegible
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.)
Expired
Application number
GB3571968A
Other languages
English (en)
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of GB1208939A publication Critical patent/GB1208939A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • 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
    • G06K7/08—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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (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)
  • Digital Magnetic Recording (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
GB3571968A 1967-08-09 1968-07-26 Recovery of normally illegible recorded information Expired GB1208939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65936667A 1967-08-09 1967-08-09

Publications (1)

Publication Number Publication Date
GB1208939A true GB1208939A (en) 1970-10-14

Family

ID=24645109

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3571968A Expired GB1208939A (en) 1967-08-09 1968-07-26 Recovery of normally illegible recorded information

Country Status (4)

Country Link
JP (1) JPS49892B1 (enrdf_load_stackoverflow)
DE (1) DE1774660C3 (enrdf_load_stackoverflow)
FR (1) FR1575195A (enrdf_load_stackoverflow)
GB (1) GB1208939A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2358505A (en) * 2000-01-21 2001-07-25 Sankyo Seiki Seisakusho Kk Magnetic card reader

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313951U (enrdf_load_stackoverflow) * 1976-07-15 1978-02-04
JP6212415B2 (ja) * 2014-03-11 2017-10-11 富士通フロンテック株式会社 磁気情報読み取り装置及び磁気情報読み取り方法並びに自動取引装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2358505A (en) * 2000-01-21 2001-07-25 Sankyo Seiki Seisakusho Kk Magnetic card reader
GB2358505B (en) * 2000-01-21 2001-12-05 Sankyo Seiki Seisakusho Kk Magnetic card reader and method of demodulating magnetic data

Also Published As

Publication number Publication date
DE1774660B2 (de) 1973-09-06
DE1774660C3 (de) 1974-05-09
FR1575195A (enrdf_load_stackoverflow) 1969-07-18
JPS49892B1 (enrdf_load_stackoverflow) 1974-01-10
DE1774660A1 (de) 1972-02-03

Similar Documents

Publication Publication Date Title
KR920005110A (ko) 광 디스크 기록 장치
GB985064A (en) Improved information storage system
GB1277177A (en) Magnetically recording and reproducing information
US5016123A (en) Apparatus for magnetically determining the status of a cartridge in a magnetic recorder
DE3783296D1 (de) Opto-magnetisches signalwiedergabegeraet zum lesen von information, aufgezeichnet auf einem aufzeichnungsmedium durch differentiale auswertung, gebrauchmachend von einem magneto-optischen effekt.
KR910005256A (ko) 기록 매체
EP0110509A3 (en) Recording system for recording data on tape in a disk-recording format
ES483497A1 (es) Un dispositivo para posicionar elementos de reproduccion de senales
JPS6437761A (en) Optical card device
GB2199983B (en) Information recording disks
GB1208939A (en) Recovery of normally illegible recorded information
KR870010484A (ko) 회전형 기억장치의 제어방법
GB988790A (en) Tape error indication apparatus
GB1326396A (en) Writing check systems for magnetic tape units
GB1404541A (en) Information storage system
JPH0125132B2 (enrdf_load_stackoverflow)
JPS57143705A (en) Faulty sector processing method of magnetic disk medium
KR900018919A (ko) 기록장치
JPS57191810A (en) Magnetic tape device capable of discriminating recording format
KR880005558A (ko) 디지탈 신호 복조 및 재생장치
GB1173268A (en) Recorded Information Detection Apparatus
JPH0433592Y2 (enrdf_load_stackoverflow)
GB1204821A (en) Dead track handling
GB1205206A (en) Improvements in or relating to digital magnetic recording
JPH0437337Y2 (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee