FR1363771A - Perfectionnements aux têtes électromagnétiques à retard - Google Patents
Perfectionnements aux têtes électromagnétiques à retardInfo
- Publication number
- FR1363771A FR1363771A FR942052A FR942052A FR1363771A FR 1363771 A FR1363771 A FR 1363771A FR 942052 A FR942052 A FR 942052A FR 942052 A FR942052 A FR 942052A FR 1363771 A FR1363771 A FR 1363771A
- Authority
- FR
- France
- Prior art keywords
- heads
- electromagnetic delay
- delay
- electromagnetic
- delay heads
- 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
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
-
- 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
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Magnetic Heads (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL296111D NL296111A (fr) | 1961-06-07 | ||
US115537A US3214746A (en) | 1961-06-07 | 1961-06-07 | Electromagnetic delay head |
GB28537/63A GB1004717A (en) | 1961-06-07 | 1963-07-18 | Magnetic recording head assembly |
FR942052A FR1363771A (fr) | 1961-06-07 | 1963-07-19 | Perfectionnements aux têtes électromagnétiques à retard |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US115537A US3214746A (en) | 1961-06-07 | 1961-06-07 | Electromagnetic delay head |
GB28537/63A GB1004717A (en) | 1961-06-07 | 1963-07-18 | Magnetic recording head assembly |
FR942052A FR1363771A (fr) | 1961-06-07 | 1963-07-19 | Perfectionnements aux têtes électromagnétiques à retard |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1363771A true FR1363771A (fr) | 1964-06-12 |
Family
ID=27247347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR942052A Expired FR1363771A (fr) | 1961-06-07 | 1963-07-19 | Perfectionnements aux têtes électromagnétiques à retard |
Country Status (4)
Country | Link |
---|---|
US (1) | US3214746A (fr) |
FR (1) | FR1363771A (fr) |
GB (1) | GB1004717A (fr) |
NL (1) | NL296111A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3610839A (en) * | 1969-05-12 | 1971-10-05 | Clevite Corp | Reduced coupling means for redundant magnetic heads |
JPS4979227U (fr) * | 1972-10-25 | 1974-07-09 | ||
JPH0773411A (ja) * | 1993-08-31 | 1995-03-17 | Sony Corp | データカートリッジ用磁気ヘッド装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE680681C (de) * | 1936-02-25 | 1939-09-05 | Siemens & Halske Akt Ges | Anordnung zur Stahlbandbesprechung |
US2565191A (en) * | 1949-01-12 | 1951-08-21 | Armour Res Found | Eddy current shield in electromagnetic transducer head |
US2662120A (en) * | 1950-02-18 | 1953-12-08 | Bell Telephone Labor Inc | Magnetic head |
US2922231A (en) * | 1956-04-26 | 1960-01-26 | Ibm | Magnetic transducer |
US2969529A (en) * | 1957-05-17 | 1961-01-24 | Burroughs Corp | Magnetic read-write head having two gaps |
US3037089A (en) * | 1956-11-01 | 1962-05-29 | Rca Corp | Angled transducer heads to minimize magnetic coupling |
US3026379A (en) * | 1958-08-13 | 1962-03-20 | Ex Cell O Corp | Electromagnetic transducer |
US3067623A (en) * | 1959-09-24 | 1962-12-11 | Yarnall Waring Co | Transmission of motion from closed space |
FR1270817A (fr) * | 1960-09-05 | 1961-09-01 | Philips Nv | Tête pour enregistreur magnétique |
-
0
- NL NL296111D patent/NL296111A/xx unknown
-
1961
- 1961-06-07 US US115537A patent/US3214746A/en not_active Expired - Lifetime
-
1963
- 1963-07-18 GB GB28537/63A patent/GB1004717A/en not_active Expired
- 1963-07-19 FR FR942052A patent/FR1363771A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1004717A (en) | 1965-09-15 |
NL296111A (fr) | |
US3214746A (en) | 1965-10-26 |
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