FR1059977A - Magnetic head, and magnetic head device for magnetic sound devices - Google Patents

Magnetic head, and magnetic head device for magnetic sound devices

Info

Publication number
FR1059977A
FR1059977A FR1059977DA FR1059977A FR 1059977 A FR1059977 A FR 1059977A FR 1059977D A FR1059977D A FR 1059977DA FR 1059977 A FR1059977 A FR 1059977A
Authority
FR
France
Prior art keywords
magnetic
magnetic head
sound devices
head device
devices
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens 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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR1059977A publication Critical patent/FR1059977A/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
    • G11B5/48—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
    • G11B5/56—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 with provision for moving the head support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • 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
    • 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
    • G11B5/54—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 with provision for moving the head into or out of its operative position or across tracks

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR1059977D 1951-04-19 1952-04-19 Magnetic head, and magnetic head device for magnetic sound devices Expired FR1059977A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1059977X 1951-04-19

Publications (1)

Publication Number Publication Date
FR1059977A true FR1059977A (en) 1954-03-30

Family

ID=7718416

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1059977D Expired FR1059977A (en) 1951-04-19 1952-04-19 Magnetic head, and magnetic head device for magnetic sound devices

Country Status (1)

Country Link
FR (1) FR1059977A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2508678A2 (en) * 1979-11-09 1982-12-31 Widmer Michel Funds transfer data acquisition and processing method e.g. for shops - involves interrogation of local auxiliary data memory for regular updating at central file
WO1983000245A1 (en) * 1981-06-26 1983-01-20 WIDMER, Michel, Jean, François, Marie Integrated device and method for the acquisition, processing and control, related to transactions of all payment instruments such as cheques, magnetic cards and memory cards
EP0623917A2 (en) * 1993-05-03 1994-11-09 Philips Patentverwaltung GmbH Magnetic tape apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2508678A2 (en) * 1979-11-09 1982-12-31 Widmer Michel Funds transfer data acquisition and processing method e.g. for shops - involves interrogation of local auxiliary data memory for regular updating at central file
WO1983000245A1 (en) * 1981-06-26 1983-01-20 WIDMER, Michel, Jean, François, Marie Integrated device and method for the acquisition, processing and control, related to transactions of all payment instruments such as cheques, magnetic cards and memory cards
EP0623917A2 (en) * 1993-05-03 1994-11-09 Philips Patentverwaltung GmbH Magnetic tape apparatus
EP0623917A3 (en) * 1993-05-03 1995-04-12 Philips Patentverwaltung Magnetic tape apparatus.

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