DK103746C - Apparat til selektivt at slette to eller flere ved siden af hinanden liggende signalspor på et magnetisk bånd. - Google Patents

Apparat til selektivt at slette to eller flere ved siden af hinanden liggende signalspor på et magnetisk bånd.

Info

Publication number
DK103746C
DK103746C DK49860A DK49860A DK103746C DK 103746 C DK103746 C DK 103746C DK 49860 A DK49860 A DK 49860A DK 49860 A DK49860 A DK 49860A DK 103746 C DK103746 C DK 103746C
Authority
DK
Denmark
Prior art keywords
magnetic tape
adjacent signal
signal tracks
selectively erasing
erasing
Prior art date
Application number
DK49860A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of DK103746C publication Critical patent/DK103746C/da

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
    • 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
    • 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
    • G11B5/024—Erasing
    • 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
    • G11B5/17—Construction or disposition of windings
    • 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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Magnetic Heads (AREA)
DK49860A 1959-02-12 1960-02-09 Apparat til selektivt at slette to eller flere ved siden af hinanden liggende signalspor på et magnetisk bånd. DK103746C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL236067 1959-02-12

Publications (1)

Publication Number Publication Date
DK103746C true DK103746C (da) 1966-02-14

Family

ID=19751569

Family Applications (1)

Application Number Title Priority Date Filing Date
DK49860A DK103746C (da) 1959-02-12 1960-02-09 Apparat til selektivt at slette to eller flere ved siden af hinanden liggende signalspor på et magnetisk bånd.

Country Status (6)

Country Link
BE (1) BE587455A (da)
CH (1) CH389930A (da)
DE (1) DE1172057B (da)
DK (1) DK103746C (da)
FR (1) FR1247763A (da)
GB (1) GB932049A (da)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE949126C (de) * 1948-01-08 1956-09-13 Svenska A B Gasaccumulator Magnetisierungskopf
US2689274A (en) * 1953-04-30 1954-09-14 Rca Corp Recording on magnetic tape

Also Published As

Publication number Publication date
DE1172057B (de) 1964-06-11
GB932049A (en) 1963-07-24
BE587455A (fr) 1960-06-10
FR1247763A (fr) 1960-12-02
CH389930A (de) 1965-03-31

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