FR2061179A5 - - Google Patents
Info
- Publication number
- FR2061179A5 FR2061179A5 FR7032753A FR7032753A FR2061179A5 FR 2061179 A5 FR2061179 A5 FR 2061179A5 FR 7032753 A FR7032753 A FR 7032753A FR 7032753 A FR7032753 A FR 7032753A FR 2061179 A5 FR2061179 A5 FR 2061179A5
- Authority
- FR
- France
- 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
- G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
-
- 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]
-
- 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
- Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7308369A JPS4936254B1 (de) | 1969-09-10 | 1969-09-10 | |
JP5926270 | 1970-07-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2061179A5 true FR2061179A5 (de) | 1971-06-18 |
Family
ID=26400316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7032753A Expired FR2061179A5 (de) | 1969-09-10 | 1970-09-09 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3660892A (de) |
CA (1) | CA944544A (de) |
DE (2) | DE2044408A1 (de) |
FR (1) | FR2061179A5 (de) |
NL (1) | NL7013347A (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE754795A (fr) * | 1969-08-14 | 1971-01-18 | Bull General Electric | Unite de tetes magnetiques multivoie et son procede de fabrication |
US3737993A (en) * | 1970-11-27 | 1973-06-12 | Matsushita Electric Ind Co Ltd | Method of making a multi-channel magnetic head |
US3787963A (en) * | 1973-02-05 | 1974-01-29 | Honeywell Inf Systems | Method of fabricating a multi-head magnetic transducer assembly |
US3983622A (en) * | 1974-01-10 | 1976-10-05 | Eastman Kodak Company | Method of manufacturing magnetic record/reproduce head |
US3893189A (en) * | 1974-01-14 | 1975-07-01 | Spin Physics Inc | Magnetic record/reproduce head and manufacturing method therefor |
US4227225A (en) * | 1977-05-12 | 1980-10-07 | Matsushita Electric Industrial Co., Ltd. | Magnetic head assembly |
JPS5634128A (en) * | 1979-08-23 | 1981-04-06 | Rca Corp | Multiple magnetic head for record*reproduction device |
US4300179A (en) * | 1979-09-04 | 1981-11-10 | Minnesota Mining And Manufacturing Co. | Composite magnetic head with multitrack support structure |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3064333A (en) * | 1959-06-29 | 1962-11-20 | Ibm | Method of making a magnetic transducer |
JPS5239284B1 (de) * | 1967-12-04 | 1977-10-04 |
-
1970
- 1970-08-28 US US67822A patent/US3660892A/en not_active Expired - Lifetime
- 1970-09-01 CA CA092,059A patent/CA944544A/en not_active Expired
- 1970-09-02 DE DE19702044408 patent/DE2044408A1/de active Pending
- 1970-09-02 DE DE2065746*A patent/DE2065746A1/de active Pending
- 1970-09-09 FR FR7032753A patent/FR2061179A5/fr not_active Expired
- 1970-09-09 NL NL7013347A patent/NL7013347A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2044408A1 (de) | 1971-05-13 |
NL7013347A (de) | 1971-03-12 |
US3660892A (en) | 1972-05-09 |
DE2065746A1 (de) | 1975-09-11 |
CA944544A (en) | 1974-04-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |