GB1057975A - Device enabling the production of magnetic test tapes with exact perpendicular recording - Google Patents

Device enabling the production of magnetic test tapes with exact perpendicular recording

Info

Publication number
GB1057975A
GB1057975A GB5301365A GB5301365A GB1057975A GB 1057975 A GB1057975 A GB 1057975A GB 5301365 A GB5301365 A GB 5301365A GB 5301365 A GB5301365 A GB 5301365A GB 1057975 A GB1057975 A GB 1057975A
Authority
GB
United Kingdom
Prior art keywords
heads
production
magnetic test
perpendicular recording
device enabling
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
GB5301365A
Inventor
Milan Fugner
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.)
Czech Academy of Sciences CAS
Original Assignee
Czech Academy of Sciences CAS
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 Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS
Publication of GB1057975A publication Critical patent/GB1057975A/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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/03—Biasing
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Auxiliary Devices For Music (AREA)
  • Slot Machines And Peripheral Devices (AREA)

Abstract

1,057,975. Mounting magnetic recording &c. heads; test tapes. CESKOSLOVENSKA AKADEMIE VED. Dec. 14, 1965 [Dec. 16, 1964], No. 53013/65. Heading G5R. A test tape with no error due to azimuthal head misalignment is achieved by grinding both heads 4; 8 at one time in a plane through the axis X-X and after assembly, rocking the heads by means of screws 7; such that when a high frequency sound is recorded by 8, a maximum output is played back by 4. Protractor means (not shown) may be fitted so that the azimuthal adjustment may be first zeroed and then offset a desired amount to make a so-called differential test tape.
GB5301365A 1964-12-16 1965-12-14 Device enabling the production of magnetic test tapes with exact perpendicular recording Expired GB1057975A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS710664 1964-12-16

Publications (1)

Publication Number Publication Date
GB1057975A true GB1057975A (en) 1967-02-08

Family

ID=5419571

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5301365A Expired GB1057975A (en) 1964-12-16 1965-12-14 Device enabling the production of magnetic test tapes with exact perpendicular recording

Country Status (3)

Country Link
DE (1) DE1474309A1 (en)
FR (1) FR1460271A (en)
GB (1) GB1057975A (en)

Also Published As

Publication number Publication date
FR1460271A (en) 1966-11-25
DE1474309A1 (en) 1969-10-09

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