JPH0350322B2 - - Google Patents
Info
- Publication number
- JPH0350322B2 JPH0350322B2 JP55173261A JP17326180A JPH0350322B2 JP H0350322 B2 JPH0350322 B2 JP H0350322B2 JP 55173261 A JP55173261 A JP 55173261A JP 17326180 A JP17326180 A JP 17326180A JP H0350322 B2 JPH0350322 B2 JP H0350322B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetoresistive element
- head
- magnetoresistive
- amplifier circuit
- input section
- 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 - Lifetime
Links
- 230000005291 magnetic effect Effects 0.000 claims description 34
- 230000001172 regenerating effect Effects 0.000 claims description 24
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 11
- 230000005415 magnetization Effects 0.000 description 10
- 239000010409 thin film Substances 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 8
- 230000005294 ferromagnetic effect Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000003321 amplification Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
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
- 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
- G11B5/3903—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 using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
- G11B5/3945—Heads comprising more than one sensitive element
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
-
- 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Signal Processing (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Measuring Magnetic Variables (AREA)
- Magnetic Heads (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55173261A JPS5798103A (en) | 1980-12-10 | 1980-12-10 | Regenerative amplifying circuit for magnetic reluctance effective type magnetic head |
| EP81109854A EP0053343A1 (de) | 1980-11-28 | 1981-11-24 | Wiedergabe- und Verstärkerschaltung für einen magnetoresistiven Kopf |
| US06/324,674 US4492997A (en) | 1980-11-28 | 1981-11-24 | Reproducing and amplifying circuit for magnetoresistive head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55173261A JPS5798103A (en) | 1980-12-10 | 1980-12-10 | Regenerative amplifying circuit for magnetic reluctance effective type magnetic head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5798103A JPS5798103A (en) | 1982-06-18 |
| JPH0350322B2 true JPH0350322B2 (de) | 1991-08-01 |
Family
ID=15957166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55173261A Granted JPS5798103A (en) | 1980-11-28 | 1980-12-10 | Regenerative amplifying circuit for magnetic reluctance effective type magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5798103A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3513148A1 (de) * | 1985-04-12 | 1986-10-23 | Robert Bosch Gmbh, 7000 Stuttgart | Integrierter drehzahlsensor mit magnetfeldabhaengigen sensorwiderstaenden |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5153843A (ja) * | 1974-11-06 | 1976-05-12 | Nippon Kokan Kk | Kyorisokuteihoho |
| JPS551698A (en) * | 1978-06-19 | 1980-01-08 | Philips Nv | Magnetic reading head |
-
1980
- 1980-12-10 JP JP55173261A patent/JPS5798103A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5153843A (ja) * | 1974-11-06 | 1976-05-12 | Nippon Kokan Kk | Kyorisokuteihoho |
| JPS551698A (en) * | 1978-06-19 | 1980-01-08 | Philips Nv | Magnetic reading head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5798103A (en) | 1982-06-18 |
Similar Documents
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