JPS56115912A - Magnetic head for detecting movement - Google Patents

Magnetic head for detecting movement

Info

Publication number
JPS56115912A
JPS56115912A JP1784080A JP1784080A JPS56115912A JP S56115912 A JPS56115912 A JP S56115912A JP 1784080 A JP1784080 A JP 1784080A JP 1784080 A JP1784080 A JP 1784080A JP S56115912 A JPS56115912 A JP S56115912A
Authority
JP
Japan
Prior art keywords
detecting resistance
parts
terminal parts
signal
interval
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.)
Granted
Application number
JP1784080A
Other languages
Japanese (ja)
Other versions
JPH0226166B2 (en
Inventor
Tadashi Takahashi
Hiroshi Hayashida
Kunio Miyashita
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1784080A priority Critical patent/JPS56115912A/en
Publication of JPS56115912A publication Critical patent/JPS56115912A/en
Publication of JPH0226166B2 publication Critical patent/JPH0226166B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
    • G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Magnetic Heads (AREA)

Abstract

PURPOSE:To improve radiation of a detecting resistance part and widen the range of allowance of unevenness of each detecting resistance part by connecting a plurality of detecting resistance parts in parallel by terminal parts for fitting lead wires having larger area than these detecting resistance parts. CONSTITUTION:The detecting resistance parts R1-R6 are divided into two blocks and both ends of each detecting resistance part are connected with the terminal parts A, B and C for fitting lead wires, which are formed in wide belt-shaped bodies. And a power source is connected between the terminal parts A and C, while an output signal is obtained from between the terminal parts B and C. In addition, the interval between the adjacent detecting resistance parts R3 and R4 of two blocks is set to be [n+(1/2)]lambda (n is an integer) in relation to the interval between signals S and N recorded on a magnetic recording medium 3, and thus a signal of frequency twice as large as that of the recorded signal can be taken out.
JP1784080A 1980-02-18 1980-02-18 Magnetic head for detecting movement Granted JPS56115912A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1784080A JPS56115912A (en) 1980-02-18 1980-02-18 Magnetic head for detecting movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1784080A JPS56115912A (en) 1980-02-18 1980-02-18 Magnetic head for detecting movement

Publications (2)

Publication Number Publication Date
JPS56115912A true JPS56115912A (en) 1981-09-11
JPH0226166B2 JPH0226166B2 (en) 1990-06-07

Family

ID=11954865

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1784080A Granted JPS56115912A (en) 1980-02-18 1980-02-18 Magnetic head for detecting movement

Country Status (1)

Country Link
JP (1) JPS56115912A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58139014A (en) * 1982-02-15 1983-08-18 Hitachi Ltd Rotary encoder
JPS6184518A (en) * 1984-10-03 1986-04-30 Hitachi Ltd Magnetic sensor for position detection
JPS6234302A (en) * 1985-08-08 1987-02-14 Canon Electronics Inc Encoder device
JPS62135721A (en) * 1985-12-10 1987-06-18 Akai Electric Co Ltd Magnetic sensor
JPS62162216A (en) * 1986-10-20 1987-07-18 Hitachi Ltd Magnetic head
JPS62247214A (en) * 1986-10-20 1987-10-28 Hitachi Ltd Magnetic head
JPS62247212A (en) * 1986-10-20 1987-10-28 Hitachi Ltd Magnetic heads
JPS62247213A (en) * 1986-10-20 1987-10-28 Hitachi Ltd Magnetic head

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5178357A (en) * 1974-12-28 1976-07-07 Denki Onkyo Co Ltd JIDENHENKANKAIROSOCHI
JPS54162556A (en) * 1978-06-13 1979-12-24 Nec Corp Angle detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5178357A (en) * 1974-12-28 1976-07-07 Denki Onkyo Co Ltd JIDENHENKANKAIROSOCHI
JPS54162556A (en) * 1978-06-13 1979-12-24 Nec Corp Angle detector

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58139014A (en) * 1982-02-15 1983-08-18 Hitachi Ltd Rotary encoder
JPS6184518A (en) * 1984-10-03 1986-04-30 Hitachi Ltd Magnetic sensor for position detection
JPS6234302A (en) * 1985-08-08 1987-02-14 Canon Electronics Inc Encoder device
JPS62135721A (en) * 1985-12-10 1987-06-18 Akai Electric Co Ltd Magnetic sensor
JPS62162216A (en) * 1986-10-20 1987-07-18 Hitachi Ltd Magnetic head
JPS62247214A (en) * 1986-10-20 1987-10-28 Hitachi Ltd Magnetic head
JPS62247212A (en) * 1986-10-20 1987-10-28 Hitachi Ltd Magnetic heads
JPS62247213A (en) * 1986-10-20 1987-10-28 Hitachi Ltd Magnetic head

Also Published As

Publication number Publication date
JPH0226166B2 (en) 1990-06-07

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