IT1047317B - Amplificatore di lettura di resistenza..particolarmente per testine di lettura a magnetoresistenza - Google Patents

Amplificatore di lettura di resistenza..particolarmente per testine di lettura a magnetoresistenza

Info

Publication number
IT1047317B
IT1047317B IT69385/75A IT6938575A IT1047317B IT 1047317 B IT1047317 B IT 1047317B IT 69385/75 A IT69385/75 A IT 69385/75A IT 6938575 A IT6938575 A IT 6938575A IT 1047317 B IT1047317 B IT 1047317B
Authority
IT
Italy
Prior art keywords
reading
magnetoresist
amplifier
resistance
heads
Prior art date
Application number
IT69385/75A
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 IT1047317B publication Critical patent/IT1047317B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • 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
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Bipolar Integrated Circuits (AREA)
  • Magnetic Heads (AREA)
IT69385/75A 1974-09-28 1975-09-25 Amplificatore di lettura di resistenza..particolarmente per testine di lettura a magnetoresistenza IT1047317B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7412870,A NL180712C (nl) 1974-09-28 1974-09-28 Weerstandsleesversterker.

Publications (1)

Publication Number Publication Date
IT1047317B true IT1047317B (it) 1980-09-10

Family

ID=19822188

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69385/75A IT1047317B (it) 1974-09-28 1975-09-25 Amplificatore di lettura di resistenza..particolarmente per testine di lettura a magnetoresistenza

Country Status (8)

Country Link
US (1) US4020364A (it)
JP (1) JPS5851324B2 (it)
CA (1) CA1035425A (it)
DE (1) DE2541197C2 (it)
FR (1) FR2286461A1 (it)
GB (1) GB1528585A (it)
IT (1) IT1047317B (it)
NL (1) NL180712C (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5838066B2 (ja) * 1977-05-11 1983-08-20 株式会社日立製作所 トランジスタチヨツパ制御装置
US4139787A (en) * 1977-10-11 1979-02-13 Fairchild Camera And Instrument Corporation Line-addressable random-access memory decoupling apparatus
FR2689293B1 (fr) * 1992-03-27 1994-05-13 Thomson Csf Dispositif de lecture d'un ensemble d'elements resistifs.
MY112702A (en) * 1992-10-30 2001-08-30 Sony Corp Reproducing circuit for a magnetic head.
US6150687A (en) * 1997-07-08 2000-11-21 Micron Technology, Inc. Memory cell having a vertical transistor with buried source/drain and dual gates
US5914511A (en) * 1997-10-06 1999-06-22 Micron Technology, Inc. Circuit and method for a folded bit line memory using trench plate capacitor cells with body bias contacts
US5907170A (en) 1997-10-06 1999-05-25 Micron Technology, Inc. Circuit and method for an open bit line memory cell with a vertical transistor and trench plate trench capacitor
US6066869A (en) * 1997-10-06 2000-05-23 Micron Technology, Inc. Circuit and method for a folded bit line memory cell with vertical transistor and trench capacitor
US6528837B2 (en) * 1997-10-06 2003-03-04 Micron Technology, Inc. Circuit and method for an open bit line memory cell with a vertical transistor and trench plate trench capacitor
US6025225A (en) * 1998-01-22 2000-02-15 Micron Technology, Inc. Circuits with a trench capacitor having micro-roughened semiconductor surfaces and methods for forming the same
US6124729A (en) 1998-02-27 2000-09-26 Micron Technology, Inc. Field programmable logic arrays with vertical transistors
US6134175A (en) 1998-08-04 2000-10-17 Micron Technology, Inc. Memory address decode array with vertical transistors
US6208164B1 (en) 1998-08-04 2001-03-27 Micron Technology, Inc. Programmable logic array with vertical transistors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3593177A (en) * 1968-01-19 1971-07-13 Honeywell Inc Input switching circuit
US3593178A (en) * 1968-01-19 1971-07-13 Honeywell Inc Input switching circuit
US3646587A (en) * 1969-12-16 1972-02-29 Hughes Aircraft Co Digital-to-analog converter using field effect transistor switch resistors
JPS5031944B1 (it) * 1970-11-09 1975-10-16

Also Published As

Publication number Publication date
CA1035425A (en) 1978-07-25
DE2541197A1 (de) 1976-04-08
FR2286461B1 (it) 1980-09-12
DE2541197C2 (de) 1982-10-21
NL180712B (nl) 1986-11-03
NL180712C (nl) 1987-04-01
JPS5161813A (it) 1976-05-28
US4020364A (en) 1977-04-26
NL7412870A (nl) 1976-03-30
FR2286461A1 (fr) 1976-04-23
GB1528585A (en) 1978-10-11
JPS5851324B2 (ja) 1983-11-16

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