FR828321A - Reproducing and recording head for magnetic sound recording apparatus - Google Patents

Reproducing and recording head for magnetic sound recording apparatus

Info

Publication number
FR828321A
FR828321A FR828321DA FR828321A FR 828321 A FR828321 A FR 828321A FR 828321D A FR828321D A FR 828321DA FR 828321 A FR828321 A FR 828321A
Authority
FR
France
Prior art keywords
reproducing
magnetic sound
recording apparatus
recording head
sound recording
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
Other languages
French (fr)
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.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
AEG AG
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 Allgemeine Elektricitaets Gesellschaft, AEG AG filed Critical Allgemeine Elektricitaets Gesellschaft
Application granted granted Critical
Publication of FR828321A publication Critical patent/FR828321A/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
    • G11B5/127—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
    • 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)
  • Manufacturing & Machinery (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
FR828321D 1936-10-28 1937-10-26 Reproducing and recording head for magnetic sound recording apparatus Expired FR828321A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE504932X 1936-10-28

Publications (1)

Publication Number Publication Date
FR828321A true FR828321A (en) 1938-05-16

Family

ID=6546276

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828321D Expired FR828321A (en) 1936-10-28 1937-10-26 Reproducing and recording head for magnetic sound recording apparatus

Country Status (3)

Country Link
FR (1) FR828321A (en)
GB (1) GB504932A (en)
NL (1) NL50485C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469266A (en) * 1946-08-14 1949-05-03 Indiana Steel Products Co Magnetic transducer having an irregular nonmagnetic gap
US2685618A (en) * 1951-12-29 1954-08-03 Rca Corp Wide range magnetic recording system and method
US2832839A (en) * 1952-06-19 1958-04-29 Gulf Research Development Co Magnetic recording
US2902544A (en) * 1953-06-17 1959-09-01 Leonard D Barry Tapered magnetic head
US2905770A (en) * 1956-01-19 1959-09-22 Clevite Corp Flux responsive magnetic reproducer head
GB900652A (en) * 1957-11-06 1962-07-11 Emi Ltd Improvements in or relating to magnetic transducing heads
US3273896A (en) * 1960-02-17 1966-09-20 Leesona Corp Tape recorder and tape storage magazine therefor

Also Published As

Publication number Publication date
NL50485C (en)
GB504932A (en) 1939-04-28

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