FR1173924A - Tête de lecture magnétique flottante - Google Patents
Tête de lecture magnétique flottanteInfo
- Publication number
- FR1173924A FR1173924A FR1173924DA FR1173924A FR 1173924 A FR1173924 A FR 1173924A FR 1173924D A FR1173924D A FR 1173924DA FR 1173924 A FR1173924 A FR 1173924A
- Authority
- FR
- France
- Prior art keywords
- read head
- magnetic read
- floating magnetic
- floating
- head
- 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
- G11B5/58—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 provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
-
- 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
- G11B5/004—Recording on, or reproducing or erasing from, magnetic drums
-
- 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
- G11B5/127—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Measuring Fluid Pressure (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Impact Printers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US552005A US2863004A (en) | 1955-12-09 | 1955-12-09 | Apparatus for manifesting intelligence on record media |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1173924A true FR1173924A (fr) | 1959-03-04 |
Family
ID=24203556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1173924D Expired FR1173924A (fr) | 1955-12-09 | 1956-12-04 | Tête de lecture magnétique flottante |
Country Status (5)
Country | Link |
---|---|
US (1) | US2863004A (fr) |
DE (1) | DE1026983B (fr) |
FR (1) | FR1173924A (fr) |
GB (1) | GB844631A (fr) |
NL (2) | NL104709C (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT613938A (fr) * | 1957-11-01 | |||
US3034110A (en) * | 1958-06-30 | 1962-05-08 | Ibm | Support device |
US3086088A (en) * | 1958-06-30 | 1963-04-16 | Ibm | Magnetic transducer with shoeequipped floating head |
US3069667A (en) * | 1958-11-26 | 1962-12-18 | Ibm | Transducer apparatus |
US3072752A (en) * | 1959-10-12 | 1963-01-08 | Ibm | Apparatus for manifesting intelligence on record media |
US3055987A (en) * | 1959-11-25 | 1962-09-25 | Litton Ind Of California | Transducer assembly |
US3172962A (en) * | 1960-03-07 | 1965-03-09 | Netic drum | |
US3119102A (en) * | 1960-09-06 | 1964-01-21 | Ibm | Supporting means for transducer assemblies |
US3187112A (en) * | 1961-01-31 | 1965-06-01 | Ex Ceil O Corp | Aerodynamically supported magnetic head construction for magnetic drums, discs and the like |
US3140362A (en) * | 1961-09-12 | 1964-07-07 | Ex Cell O Corp | Magnetic transducer head assemblies |
US3245063A (en) * | 1961-10-02 | 1966-04-05 | Ex Cell O Corp | Magnetic transducer head assemblies |
US3323116A (en) * | 1962-05-31 | 1967-05-30 | Burroughs Corp | Electromagnetic transducer and method of fabrication |
US3631425A (en) * | 1969-12-29 | 1971-12-28 | Ibm | Magnetic head slider with orifice |
US4316278A (en) * | 1979-12-13 | 1982-02-16 | Mcdonnell Douglas Corporation | System for reading or recording indicia on a flexible disc |
JPH0316090Y2 (fr) * | 1984-09-13 | 1991-04-08 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB739554A (fr) * | ||||
US2761016A (en) * | 1951-01-12 | 1956-08-28 | Muller Willy | Magnetic sound recording and reproducing head |
US2612566A (en) * | 1951-06-05 | 1952-09-30 | Bell Telephone Labor Inc | Magnetic recording and reproducing system |
DE877210C (de) * | 1951-07-29 | 1953-05-21 | Siemens Ag | Magnettongeraet |
US2673249A (en) * | 1952-01-24 | 1954-03-23 | Ericsson Telefon Ab L M | Magnetic recording and reproducing device |
US2685492A (en) * | 1952-04-24 | 1954-08-03 | Us Air Force | Simplified adjustable magnetic head assembly |
US2761910A (en) * | 1955-05-02 | 1956-09-04 | Acf Ind Inc | Magnetic transducer |
-
0
- NL NL212782D patent/NL212782A/xx unknown
- NL NL104709D patent/NL104709C/xx active
-
1955
- 1955-12-09 US US552005A patent/US2863004A/en not_active Expired - Lifetime
-
1956
- 1956-12-04 FR FR1173924D patent/FR1173924A/fr not_active Expired
- 1956-12-06 GB GB37325/56A patent/GB844631A/en not_active Expired
- 1956-12-08 DE DEI12543A patent/DE1026983B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
GB844631A (en) | 1960-08-17 |
NL212782A (fr) | |
NL104709C (fr) | |
DE1026983B (de) | 1958-03-27 |
US2863004A (en) | 1958-12-02 |
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