GB875694A - Improvements in or relating to magnetic reproducing apparatus - Google Patents

Improvements in or relating to magnetic reproducing apparatus

Info

Publication number
GB875694A
GB875694A GB22290/58A GB2229058A GB875694A GB 875694 A GB875694 A GB 875694A GB 22290/58 A GB22290/58 A GB 22290/58A GB 2229058 A GB2229058 A GB 2229058A GB 875694 A GB875694 A GB 875694A
Authority
GB
United Kingdom
Prior art keywords
register
character
tape
skew
read
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
GB22290/58A
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.)
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 GB875694A publication Critical patent/GB875694A/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
    • G11B20/1803—Error detection or correction; Testing, e.g. of drop-outs by redundancy in data representation
    • 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)
  • Television Signal Processing For Recording (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Digital Magnetic Recording (AREA)
GB22290/58A 1957-07-15 1958-07-11 Improvements in or relating to magnetic reproducing apparatus Expired GB875694A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US671834A US3078448A (en) 1957-07-15 1957-07-15 Dual-channel sensing

Publications (1)

Publication Number Publication Date
GB875694A true GB875694A (en) 1961-08-23

Family

ID=24696050

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22290/58A Expired GB875694A (en) 1957-07-15 1958-07-11 Improvements in or relating to magnetic reproducing apparatus

Country Status (7)

Country Link
US (1) US3078448A (OSRAM)
DE (1) DE1082436B (OSRAM)
FR (1) FR1212761A (OSRAM)
GB (1) GB875694A (OSRAM)
IT (1) IT592664A (OSRAM)
NL (2) NL229574A (OSRAM)
SE (1) SE302625B (OSRAM)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2961642A (en) * 1957-12-31 1960-11-22 Ibm Peak sensing circuit
NL246215A (OSRAM) * 1959-12-08
US3413448A (en) * 1961-05-25 1968-11-26 Rca Corp Information handling apparatus
BE630343A (OSRAM) * 1962-03-29
US3349369A (en) * 1962-09-13 1967-10-24 Litton Business Systems Inc Apparatus for checking reading errors in a magnetic record card system
US3222603A (en) 1962-10-30 1965-12-07 Ibm First bit generator for binary tape systems
NL300463A (OSRAM) * 1962-11-14
US3349370A (en) * 1964-03-10 1967-10-24 Gen Precision Systems Inc Write amplifier circuit
DE1287602B (OSRAM) * 1964-05-05 1969-01-23
GB1193287A (en) * 1967-08-08 1970-05-28 Ferranti Ltd Improvements relating to Apparatus for Reading Magnetic Tape
US3633162A (en) * 1970-08-03 1972-01-04 Honeywell Inc Apparatus for correcting and indicating errors in redundantly recorded information
JPS5165915A (en) * 1974-12-04 1976-06-08 Fujitsu Ltd Toratsukukanisozurehoshohoshiki
US4003086A (en) * 1975-04-28 1977-01-11 Memorex Corporation Dynamic loop gain alteration for data retrieval
US4328580A (en) * 1979-07-06 1982-05-04 Soundstream, Inc. Apparatus and an improved method for processing of digital information
FR2499745A1 (fr) * 1981-02-12 1982-08-13 Golushko Vyacheslav Procede d'enregistrement et de controle d'une information codee sur bande magnetique et installation mettant en application ledit procede

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807005A (en) * 1957-09-17 Device for converting and reinscribing
US2706215A (en) * 1950-03-24 1955-04-12 Nederlanden Staat Mnemonic system for telegraph systems and like apparatus
NL79067C (OSRAM) * 1950-12-16
US2628346A (en) * 1951-11-03 1953-02-10 Monroe Calculating Machine Magnetic tape error control
US2700755A (en) * 1951-11-09 1955-01-25 Monroe Calculating Machine Keyboard checking circuit
US2802940A (en) * 1953-06-26 1957-08-13 Bell Telephone Labor Inc Multivibrator circuit
NL193490A (OSRAM) * 1953-12-24
BE535413A (OSRAM) * 1954-02-04 1900-01-01
US2824222A (en) * 1954-02-26 1958-02-18 Jr William M Furlow Digit storage circuit
US2897480A (en) * 1954-07-27 1959-07-28 Hughes Aircraft Co Error detecting system

Also Published As

Publication number Publication date
NL229574A (OSRAM)
FR1212761A (fr) 1960-03-25
NL126690C (OSRAM)
SE302625B (OSRAM) 1968-07-29
IT592664A (OSRAM)
US3078448A (en) 1963-02-19
DE1082436B (de) 1960-05-25

Similar Documents

Publication Publication Date Title
US2813259A (en) Magnetic tape recording systems
GB875694A (en) Improvements in or relating to magnetic reproducing apparatus
US3691543A (en) Positioning system including servo track configuration and associated demodulator
US5121263A (en) Method and apparatus for determining the error rate of magnetic recording disk drives having a amplitude sampling data detection
US2793344A (en) Magnetic record testing means
KR880014464A (ko) 자체 시험 메모리 시스템을 가진 데이타 처리 시스템
US3505537A (en) Signal envelope discriminator and gating circuit
GB1454081A (en) Digital data magnetic tape recording apparatus
US3755731A (en) System for detecting dropout and noise characteristics of magnetic tape with switch means to select which characteristics to be detected
GB1274630A (en) Magnetic recording apparatus
US3142829A (en) Checking method for digital magnetic tape systems employing double transition high density recording
US3685015A (en) Character bit error detection and correction
US3510857A (en) Tape recording error check system
US3551886A (en) Automatic error detection and correction system
KR890002871A (ko) 디지탈신호 재생장치
US3193812A (en) Missing bit detector on recorded storage media
US3071723A (en) Device for detecting defects in magnetic tape
GB1155858A (en) Error Correction Circuit For Digital Recording Systems
US3423744A (en) Binary magnetic recording system
GB1340220A (en) Data storage apparatus
GB1390074A (en) Detection and correction of phase encoded data
US3938182A (en) Automatic character skew and spacing checking network
GB846493A (en) Digital data storage
US3263214A (en) Data storage systems
US3518625A (en) Dead track handling