DE2705439C2 - - Google Patents

Info

Publication number
DE2705439C2
DE2705439C2 DE2705439A DE2705439A DE2705439C2 DE 2705439 C2 DE2705439 C2 DE 2705439C2 DE 2705439 A DE2705439 A DE 2705439A DE 2705439 A DE2705439 A DE 2705439A DE 2705439 C2 DE2705439 C2 DE 2705439C2
Authority
DE
Germany
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
DE2705439A
Other versions
DE2705439A1 (de
Inventor
Noboru Kawaguchi Saitama Jp Masuda
Yu Yokohama Kanagawa Jp Nishino
Hiroaki Machida Tokio/Tokyo Jp Kase
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.)
Murata Manufacturing Co Ltd
Original Assignee
DENKI ONKYO Co Ltd TOKIO/TOKYO JP
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
Priority claimed from JP1976014270U external-priority patent/JPS5631689Y2/ja
Priority claimed from JP51013414A external-priority patent/JPS5931878B2/ja
Application filed by DENKI ONKYO Co Ltd TOKIO/TOKYO JP filed Critical DENKI ONKYO Co Ltd TOKIO/TOKYO JP
Publication of DE2705439A1 publication Critical patent/DE2705439A1/de
Application granted granted Critical
Publication of DE2705439C2 publication Critical patent/DE2705439C2/de
Granted 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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/087—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors flux-sensitive, e.g. magnetic, detectors
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/37—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measuring Magnetic Variables (AREA)
DE19772705439 1976-02-10 1977-02-09 Magnetfuehler Granted DE2705439A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1976014270U JPS5631689Y2 (de) 1976-02-10 1976-02-10
JP51013414A JPS5931878B2 (ja) 1976-02-10 1976-02-10 磁気センタ−装置

Publications (2)

Publication Number Publication Date
DE2705439A1 DE2705439A1 (de) 1977-08-11
DE2705439C2 true DE2705439C2 (de) 1987-01-22

Family

ID=26349210

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772705439 Granted DE2705439A1 (de) 1976-02-10 1977-02-09 Magnetfuehler

Country Status (2)

Country Link
US (1) US4117523A (de)
DE (1) DE2705439A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3916978A1 (de) * 1988-05-25 1989-12-07 Murata Manufacturing Co Magnetwiderstands-elementenfeld
DE4021241A1 (de) * 1990-07-04 1992-01-16 Ultrakust Electronic Gmbh Lesekopf

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255708A (en) * 1978-12-15 1981-03-10 International Business Machines Corporation Magnetoresistive position transducer with invariable peak signal
JPS5619512A (en) * 1979-07-24 1981-02-24 Olympus Optical Co Ltd Magnetic head unit
NL7908611A (nl) * 1979-11-28 1981-07-01 Philips Nv Geintegreerde magneetkopconstructie.
DE3542962C2 (de) * 1985-12-05 1996-03-28 Teves Metallwaren Alfred Induktiver Impulsgeber
NL8600390A (nl) * 1986-02-17 1987-09-16 Philips Nv Magneetkop met magnetoweerstandselement.
JPH0248882U (de) * 1988-09-30 1990-04-04
JPH02124575U (de) * 1989-03-24 1990-10-15
US5563511A (en) * 1995-05-05 1996-10-08 Echlin, Inc. Magnetic sensor with protective cap
JP3223769B2 (ja) 1995-10-11 2001-10-29 三菱電機株式会社 回転センサとその製造方法
ATE474230T1 (de) * 2002-03-04 2010-07-15 Sicpa Holding Sa Messprobe und damit ausgestattete authentifikationsvorrichtung
DE10228428A1 (de) * 2002-06-26 2004-01-15 Valeo Schalter Und Sensoren Gmbh Sensor, insbesondere Magnetfeldsensor, und Verfahren zur Herstellung eines Sensors
AU2014306059B2 (en) * 2013-08-06 2017-10-12 Fluid Handling Llc Low water cutoff switch
US9030778B1 (en) * 2014-07-23 2015-05-12 Singular Technology Co., Ltd. Magnetic head housing with protection sheet bent to cover transducer and bottom-mounted control circuit board
JP6316516B2 (ja) * 2016-03-30 2018-04-25 三菱電機株式会社 磁気センサ装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3143714A (en) * 1959-12-21 1964-08-04 Smiths America Corp Hall effect devices
US3209078A (en) * 1960-12-20 1965-09-28 Siemens Ag Magnetic head equipped with a hall generator
US3493694A (en) * 1966-01-19 1970-02-03 Ampex Magnetoresistive head
US3527899A (en) * 1967-05-01 1970-09-08 Arvin Ind Inc Magnetic tape transducer head with shielded housing and printed circuit connection boards
US3495048A (en) * 1967-08-24 1970-02-10 Ampex Magnetic head assembly using housing as core member
NL7103955A (de) * 1970-05-13 1971-11-16
US3796859A (en) * 1971-12-27 1974-03-12 Ibm Magnetic ink recording system to both magnetize and read ink

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3916978A1 (de) * 1988-05-25 1989-12-07 Murata Manufacturing Co Magnetwiderstands-elementenfeld
DE4021241A1 (de) * 1990-07-04 1992-01-16 Ultrakust Electronic Gmbh Lesekopf

Also Published As

Publication number Publication date
DE2705439A1 (de) 1977-08-11
US4117523A (en) 1978-09-26

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Legal Events

Date Code Title Description
OB Request for examination as to novelty
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MURATA MFG. CO., LTD., NAGAOKAKYO, KYOTO, JP

8328 Change in the person/name/address of the agent

Free format text: DREISS, U., DIPL.-ING. DR.JUR. HOSENTHIEN, H., DIPL.-ING. DR.-ING. FUHLENDORF, J., DIPL.-ING., PAT.-ANWAELTE, 7000 STUTTGART