GB1168651A - Improvements in or relating to Magnetic Recording. - Google Patents

Improvements in or relating to Magnetic Recording.

Info

Publication number
GB1168651A
GB1168651A GB42016/66A GB4201666A GB1168651A GB 1168651 A GB1168651 A GB 1168651A GB 42016/66 A GB42016/66 A GB 42016/66A GB 4201666 A GB4201666 A GB 4201666A GB 1168651 A GB1168651 A GB 1168651A
Authority
GB
United Kingdom
Prior art keywords
recording
tape
item
moving
cell
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
GB42016/66A
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.)
Ampex Corp
Original Assignee
Ampex 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 Ampex Corp filed Critical Ampex Corp
Publication of GB1168651A publication Critical patent/GB1168651A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1497—Details of time redundant execution on a single processing unit
    • 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
    • G11B20/16—Digital recording or reproducing using non self-clocking codes, i.e. the clock signals are either recorded in a separate clocking track or in a combination of several information tracks
    • 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
    • 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
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/245—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
GB42016/66A 1965-10-11 1966-09-20 Improvements in or relating to Magnetic Recording. Expired GB1168651A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49444265A 1965-10-11 1965-10-11

Publications (1)

Publication Number Publication Date
GB1168651A true GB1168651A (en) 1969-10-29

Family

ID=23964491

Family Applications (1)

Application Number Title Priority Date Filing Date
GB42016/66A Expired GB1168651A (en) 1965-10-11 1966-09-20 Improvements in or relating to Magnetic Recording.

Country Status (5)

Country Link
BE (1) BE688055A (enrdf_load_stackoverflow)
DE (1) DE1499592A1 (enrdf_load_stackoverflow)
FR (1) FR1496316A (enrdf_load_stackoverflow)
GB (1) GB1168651A (enrdf_load_stackoverflow)
NL (1) NL6613929A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2631129B1 (fr) * 1988-05-04 1990-07-27 Bull Sa Dispositif pour detecter les coupures et les court-circuits dans au moins une portion de circuit electrique

Also Published As

Publication number Publication date
DE1499592A1 (de) 1969-10-30
FR1496316A (fr) 1967-09-29
BE688055A (enrdf_load_stackoverflow) 1967-03-16
NL6613929A (enrdf_load_stackoverflow) 1967-04-12

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