ES465258A1 - Un metodo de fabricacion de una disposicion de cabezas mag- neticas giratorias para un aparato de registro yno reproduc-cion de senales. - Google Patents
Un metodo de fabricacion de una disposicion de cabezas mag- neticas giratorias para un aparato de registro yno reproduc-cion de senales.Info
- Publication number
- ES465258A1 ES465258A1 ES465258A ES465258A ES465258A1 ES 465258 A1 ES465258 A1 ES 465258A1 ES 465258 A ES465258 A ES 465258A ES 465258 A ES465258 A ES 465258A ES 465258 A1 ES465258 A1 ES 465258A1
- Authority
- ES
- Spain
- Prior art keywords
- magnetic head
- manufacturing
- head arrangement
- rotatable magnetic
- reference surface
- 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
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
- G11B5/52—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 simultaneous movement of head and record carrier, e.g. rotation of head
-
- 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
- G11B5/127—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
- G11B5/1871—Shaping or contouring of the transducing or guiding surface
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49027—Mounting preformed head/core onto other structure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Abstract
Un método de fabricación de una disposición de cabezas magnéticas giratorias para un aparato de registro y/o reproducción de señales que tienen un amplio espectro de frecuenciasen particular de señales que tienen un amplio espectro de frecuenciasen particular de señales de video en la cual se ha previsto al menos una cabeza magnética que comprende un circuito magnético de forma de placa que tiene una cara de contacto con la cintaun entrehierro operante y una ventanilla para bobina y una bobina que pasa a través de la ventanilla para bobinasobre un soporte de forma de disco en una posición dada con respecto a una superficie de referencia prevista en el soporte y que se extiende en ángulo recto con su eje de rotación.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT953676A AT351797B (de) | 1976-12-22 | 1976-12-22 | Verfahren zum herstellen einer rotierend antreibbaren magnetkopfanordnung und nach einem solchen verfahren hergestellte magnetkopf- anordnung |
Publications (1)
Publication Number | Publication Date |
---|---|
ES465258A1 true ES465258A1 (es) | 1978-09-16 |
Family
ID=3615030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES465258A Expired ES465258A1 (es) | 1976-12-22 | 1977-12-20 | Un metodo de fabricacion de una disposicion de cabezas mag- neticas giratorias para un aparato de registro yno reproduc-cion de senales. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4186480A (es) |
JP (1) | JPS5380212A (es) |
AT (1) | AT351797B (es) |
DE (1) | DE2755287C3 (es) |
ES (1) | ES465258A1 (es) |
FR (1) | FR2379128A1 (es) |
GB (1) | GB1593310A (es) |
IT (1) | IT1088722B (es) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55117726A (en) * | 1979-03-05 | 1980-09-10 | Hitachi Ltd | Manufacture of magnetic head |
JPS56117326A (en) * | 1980-02-18 | 1981-09-14 | Victor Co Of Japan Ltd | Rotary head type magnetic recording and reproducing device |
JPS58171714A (ja) * | 1982-04-01 | 1983-10-08 | Matsushita Electric Ind Co Ltd | ヘツド位置調整機 |
JPS6082715U (ja) * | 1983-11-11 | 1985-06-07 | キヤノン電子株式会社 | 回転ヘツド装置 |
AT388823B (de) * | 1986-12-10 | 1989-09-11 | Philips Nv | Verfahren zum justieren der spalte von zwei auf einer kopfscheibe angeordneten magnetkoepfen und kopfscheibe mit zwei auf ihr angeordneten magnetkoepfen |
JP2579098B2 (ja) * | 1992-03-17 | 1997-02-05 | 松下電器産業株式会社 | 磁気ヘッドの位置決め方法 |
JP2615525B2 (ja) * | 1992-04-15 | 1997-05-28 | 松下電器産業株式会社 | 磁気ヘッドの高さ調整方法 |
US5523539A (en) * | 1993-11-12 | 1996-06-04 | Conner Peripherals, Inc. | Process for manufacturing recording heads for magnetic storage devices |
JPH08235517A (ja) * | 1994-05-10 | 1996-09-13 | Mitsubishi Electric Corp | 磁気ヘッド及びその製造方法 |
US6217425B1 (en) * | 1998-06-12 | 2001-04-17 | Tdk Corporation | Apparatus and method for lapping magnetic heads |
US6974938B1 (en) | 2000-03-08 | 2005-12-13 | Tibotec Bvba | Microscope having a stable autofocusing apparatus |
KR100579064B1 (ko) * | 2002-06-21 | 2006-05-12 | 알프스 덴키 가부시키가이샤 | 출력차가 적은 회전식 자기 헤드 및 이것을 사용한 테이프매체 기록 재생 장치 |
JP3797355B2 (ja) * | 2003-10-22 | 2006-07-19 | セイコーエプソン株式会社 | 圧電振動子の製造方法 |
FI118017B (fi) * | 2004-03-11 | 2007-05-31 | Metso Paper Inc | Alipainehihnakuljetin päänvientinauhan viemiseksi rainanmuodostuskoneessa |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3621153A (en) * | 1969-12-22 | 1971-11-16 | Ibm | Magnetic read/write head with partial gap and method of making |
US4017965A (en) * | 1975-06-16 | 1977-04-19 | Burroughs Corporation | Method of making a transducer head with narrow core structure |
US4120008A (en) * | 1976-10-05 | 1978-10-10 | Eastman Kodak Company | Overlap track servo for dynamic position correction in a rotary-head tape recorder |
-
1976
- 1976-12-22 AT AT953676A patent/AT351797B/de not_active IP Right Cessation
-
1977
- 1977-12-12 DE DE2755287A patent/DE2755287C3/de not_active Expired
- 1977-12-14 US US05/860,282 patent/US4186480A/en not_active Expired - Lifetime
- 1977-12-19 GB GB52704/77A patent/GB1593310A/en not_active Expired
- 1977-12-19 IT IT30915/77A patent/IT1088722B/it active
- 1977-12-20 JP JP15248277A patent/JPS5380212A/ja active Granted
- 1977-12-20 FR FR7738410A patent/FR2379128A1/fr active Granted
- 1977-12-20 ES ES465258A patent/ES465258A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4186480A (en) | 1980-02-05 |
DE2755287C3 (de) | 1979-12-06 |
AT351797B (de) | 1979-08-10 |
ATA953676A (de) | 1979-01-15 |
FR2379128A1 (fr) | 1978-08-25 |
JPS57567B2 (es) | 1982-01-07 |
FR2379128B1 (es) | 1984-12-14 |
DE2755287B2 (de) | 1979-04-19 |
IT1088722B (it) | 1985-06-10 |
DE2755287A1 (de) | 1978-06-29 |
JPS5380212A (en) | 1978-07-15 |
GB1593310A (en) | 1981-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19991220 |