GB2117946B - Method and apparatus for magnetic storage and retrieval of information - Google Patents

Method and apparatus for magnetic storage and retrieval of information

Info

Publication number
GB2117946B
GB2117946B GB08308431A GB8308431A GB2117946B GB 2117946 B GB2117946 B GB 2117946B GB 08308431 A GB08308431 A GB 08308431A GB 8308431 A GB8308431 A GB 8308431A GB 2117946 B GB2117946 B GB 2117946B
Authority
GB
United Kingdom
Prior art keywords
retrieval
information
magnetic storage
magnetic
storage
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
GB08308431A
Other versions
GB8308431D0 (en
GB2117946A (en
Inventor
David M Allen
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.)
Tallgrass Technologies Corp
Original Assignee
Tallgrass Technologies 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 Tallgrass Technologies Corp filed Critical Tallgrass Technologies Corp
Publication of GB8308431D0 publication Critical patent/GB8308431D0/en
Publication of GB2117946A publication Critical patent/GB2117946A/en
Application granted granted Critical
Publication of GB2117946B publication Critical patent/GB2117946B/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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
GB08308431A 1982-04-05 1983-03-28 Method and apparatus for magnetic storage and retrieval of information Expired GB2117946B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36554182A 1982-04-05 1982-04-05

Publications (3)

Publication Number Publication Date
GB8308431D0 GB8308431D0 (en) 1983-05-05
GB2117946A GB2117946A (en) 1983-10-19
GB2117946B true GB2117946B (en) 1987-02-04

Family

ID=23439285

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08308431A Expired GB2117946B (en) 1982-04-05 1983-03-28 Method and apparatus for magnetic storage and retrieval of information

Country Status (4)

Country Link
JP (1) JPS58185013A (en)
AU (2) AU1272783A (en)
CA (1) CA1205904A (en)
GB (1) GB2117946B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1182457B (en) * 1985-02-21 1987-10-05 Olivetti & Co Spa APPARATUS TO RECORD AND READ BINARY INFORMATION ON A MAGNETIC DISC
AU594995B2 (en) * 1986-01-24 1990-03-22 Sony Corporation Data transmission method suitable for a disc
AU610666B2 (en) * 1988-02-08 1991-05-23 International Business Machines Corporation Managing data storage space on large capacity record media

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829837A (en) * 1971-06-24 1974-08-13 Honeywell Inf Systems Controller for rotational storage device having linked information organization
GB1529583A (en) * 1974-10-29 1978-10-25 Xerox Corp Data processing system

Also Published As

Publication number Publication date
JPS58185013A (en) 1983-10-28
GB8308431D0 (en) 1983-05-05
AU1272783A (en) 1983-10-13
AU1140488A (en) 1988-05-12
CA1205904A (en) 1986-06-10
GB2117946A (en) 1983-10-19

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Legal Events

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