FR1193686A - Tête d'enregistrement magnétique perpendiculaire - Google Patents
Tête d'enregistrement magnétique perpendiculaireInfo
- Publication number
- FR1193686A FR1193686A FR1193686DA FR1193686A FR 1193686 A FR1193686 A FR 1193686A FR 1193686D A FR1193686D A FR 1193686DA FR 1193686 A FR1193686 A FR 1193686A
- Authority
- FR
- France
- Prior art keywords
- recording head
- magnetic recording
- perpendicular magnetic
- head
- recording
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/17—Construction or disposition of windings
-
- 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
- G11B5/10—Structure or manufacture of housings or shields for heads
-
- 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
- G11B5/10—Structure or manufacture of housings or shields for heads
- G11B5/11—Shielding of head against electric or magnetic fields
-
- 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
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
-
- 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
-
- 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
- Y10T29/4906—Providing winding
- Y10T29/49066—Preformed winding
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US620758A US2920379A (en) | 1956-11-06 | 1956-11-06 | Method of making perpendicular magnetic recording head |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1193686A true FR1193686A (fr) | 1959-11-04 |
Family
ID=24487268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1193686D Expired FR1193686A (fr) | 1956-11-06 | 1957-11-05 | Tête d'enregistrement magnétique perpendiculaire |
Country Status (2)
Country | Link |
---|---|
US (1) | US2920379A (fr) |
FR (1) | FR1193686A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1222539B (de) * | 1960-09-20 | 1966-08-11 | Siemens Ag | Einrichtung zur Speicherung und Abfrage von Signalen auf Magnetogrammtraegern mit Quermagnetisierung |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3222754A (en) * | 1959-12-23 | 1965-12-14 | Ibm | Method of making magnetic transducer head |
US3156919A (en) * | 1960-12-30 | 1964-11-10 | Ibm | Electromagnetic transducer head |
US3710362A (en) * | 1971-09-13 | 1973-01-09 | A Kronfeld | Hand held transducer insensitive to angular orientation |
JPS6022406B2 (ja) * | 1979-12-13 | 1985-06-01 | 富士通株式会社 | 垂直磁気記録再生用ヘッド |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE617796C (de) * | 1932-11-26 | 1935-08-28 | Aeg | Sprechkopf zur Wiedergabe von in Laengsmagnetisierung aufgezeichneter Lautschrift |
US2089287A (en) * | 1936-11-23 | 1937-08-10 | Tom J Molloy | Recording and reproducing mechanism |
US2205669A (en) * | 1938-07-22 | 1940-06-25 | Associated Electric Lab Inc | Sound translating device and method of making the same |
US2523515A (en) * | 1948-07-28 | 1950-09-26 | Harry F Porter | Magnetic transducing head |
US2560926A (en) * | 1949-06-01 | 1951-07-17 | Brownell Harry Russell | Transformer |
DE836112C (de) * | 1950-05-27 | 1952-04-07 | Klangfilm Gmbh | Magnetkopf fuer Aufnahme und Wiedergabe von Magnettonbaendern |
US2801293A (en) * | 1952-01-16 | 1957-07-30 | Ampro Corp | Magnetic transducer head |
US2754569A (en) * | 1952-10-21 | 1956-07-17 | Clevite Corp | Method of making a magnetic transducer head |
-
1956
- 1956-11-06 US US620758A patent/US2920379A/en not_active Expired - Lifetime
-
1957
- 1957-11-05 FR FR1193686D patent/FR1193686A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1222539B (de) * | 1960-09-20 | 1966-08-11 | Siemens Ag | Einrichtung zur Speicherung und Abfrage von Signalen auf Magnetogrammtraegern mit Quermagnetisierung |
Also Published As
Publication number | Publication date |
---|---|
US2920379A (en) | 1960-01-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1170500A (fr) | Tête d'impression magnétique | |
FR1202124A (fr) | Tête magnétique | |
FR1173924A (fr) | Tête de lecture magnétique flottante | |
FR1188391A (fr) | Appareil d'enregistrement sur un ruban magnétique | |
FR1166542A (fr) | Appareil d'enregistrement magnétique | |
FR72129E (fr) | Perfectionnements aux systèmes d'enregistrement sur mémoires magnétiques | |
FR1135708A (fr) | Tête d'enregistrement magnétique en ferrite | |
FR1187746A (fr) | Dispositif d'emmagasinage à noyaux magnétiques | |
FR1193686A (fr) | Tête d'enregistrement magnétique perpendiculaire | |
FR1260011A (fr) | Procédé d'enregistrement magnétique | |
CH355303A (fr) | Tête magnétique | |
BE592423A (fr) | Tête de lecture d'enregistrements magnétiques | |
CH369793A (de) | Magnetbandgerät | |
FR1383599A (fr) | Tête d'enregistrement magnétique | |
FR1224515A (fr) | Tête de lecture d'enregistrements magnétiques | |
FR1261777A (fr) | Tête de lecture d'enregistrements magnétiques | |
FR1241491A (fr) | Tête de lecture d'enregistrements magnétiques | |
FR1270817A (fr) | Tête pour enregistreur magnétique | |
FR1243524A (fr) | Perfectionnements aux styles d'enregistrement | |
FR1131236A (fr) | Tête d'enregistrement magnétique | |
FR1207564A (fr) | Dispositifs d'enregistrement magnétiques | |
FR1132782A (fr) | Tête de reproduction magnétique | |
FR1183753A (fr) | Ruban d'enregistrement magnétique | |
BE594706A (fr) | Tête d'enregistreur magnétique. | |
BE594705A (fr) | Tête d'enregistreur magnétique. |