GB2302441B - A magnetic head - Google Patents
A magnetic headInfo
- Publication number
- GB2302441B GB2302441B GB9619509A GB9619509A GB2302441B GB 2302441 B GB2302441 B GB 2302441B GB 9619509 A GB9619509 A GB 9619509A GB 9619509 A GB9619509 A GB 9619509A GB 2302441 B GB2302441 B GB 2302441B
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic head
- magnetic
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
-
- 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
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
- G11B5/00817—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording
- G11B5/00821—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording using stationary heads
- G11B5/00826—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording using stationary heads comprising a plurality of single poles or gaps or groups thereof operative at the same time
-
- 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
-
- 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
- G11B5/488—Disposition of 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
- G11B5/48—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
- G11B5/488—Disposition of heads
- G11B5/4893—Disposition of heads relative to moving tape
-
- 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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the 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
- G11B5/48—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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5504—Track change, selection or acquisition by displacement of the head across tape tracks
-
- 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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5504—Track change, selection or acquisition by displacement of the head across tape tracks
- G11B5/5508—Control circuits therefor
-
- 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
- G11B5/56—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 support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
-
- 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
- G11B5/584—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 for track following on tapes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/62—Maintaining desired spacing between record carrier and 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
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
- G11B5/00817—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording
-
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28141992 | 1992-10-20 | ||
JP5233136A JP2943579B2 (en) | 1992-10-20 | 1993-09-20 | Magnetic structure, magnetic head and magnetic recording head using the same |
GB9321666A GB2271880B (en) | 1992-10-20 | 1993-10-20 | Magnetic structure and magnetic head using the same |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9619509D0 GB9619509D0 (en) | 1996-10-30 |
GB2302441A GB2302441A (en) | 1997-01-15 |
GB2302441B true GB2302441B (en) | 1997-04-09 |
Family
ID=27266891
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9619509A Expired - Fee Related GB2302441B (en) | 1992-10-20 | 1993-10-20 | A magnetic head |
GB9610204A Expired - Fee Related GB2299442B (en) | 1992-10-20 | 1993-10-20 | Magnetic head assembly |
GB9610167A Expired - Fee Related GB2299441B (en) | 1992-10-20 | 1993-10-20 | A magnetic head |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9610204A Expired - Fee Related GB2299442B (en) | 1992-10-20 | 1993-10-20 | Magnetic head assembly |
GB9610167A Expired - Fee Related GB2299441B (en) | 1992-10-20 | 1993-10-20 | A magnetic head |
Country Status (1)
Country | Link |
---|---|
GB (3) | GB2302441B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2774797B1 (en) | 1998-02-11 | 2000-03-10 | Commissariat Energie Atomique | PROCESS FOR PRODUCING AN ASSEMBLY WITH MULTIPLE MAGNETIC HEADS AND MULTIPLE HEAD ASSEMBLY OBTAINED BY THIS PROCESS |
US6222698B1 (en) * | 1998-05-22 | 2001-04-24 | Hewlett-Packard Company | Magnetic tape dimensional instability compensation by varying recording head azimuth angle |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB801982A (en) * | 1956-07-04 | 1958-09-24 | Standard Telephones Cables Ltd | Support of the magnetic heads of magnetic storage drums |
US4439793A (en) * | 1981-10-22 | 1984-03-27 | Fuji Photo Film Co., Ltd. | Thin film head array |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2057177B (en) * | 1979-08-23 | 1984-07-11 | Rca Corp | Multichannel magnetic head for a transducer system |
US4477853A (en) * | 1981-04-15 | 1984-10-16 | Eastman Kodak Company | Multitrack magnetic head |
US4550492A (en) * | 1981-04-15 | 1985-11-05 | Eastman Kodak Company | Method of manufacturing a multitrack magnetic head |
EP0067061B1 (en) * | 1981-06-08 | 1986-10-01 | Hitachi, Ltd. | Azimuthal magnetic recording and reproducing apparatus |
FR2663772B1 (en) * | 1990-06-26 | 1995-07-21 | Thomson Csf | MAGNETIC RECORDING DEVICE WITH A PLURALITY OF MAGNETIC HEADS. |
GB2265045B (en) * | 1992-02-28 | 1995-11-29 | Sony Broadcast & Communication | Magnetic tape replay apparatus |
-
1993
- 1993-10-20 GB GB9619509A patent/GB2302441B/en not_active Expired - Fee Related
- 1993-10-20 GB GB9610204A patent/GB2299442B/en not_active Expired - Fee Related
- 1993-10-20 GB GB9610167A patent/GB2299441B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB801982A (en) * | 1956-07-04 | 1958-09-24 | Standard Telephones Cables Ltd | Support of the magnetic heads of magnetic storage drums |
US4439793A (en) * | 1981-10-22 | 1984-03-27 | Fuji Photo Film Co., Ltd. | Thin film head array |
Also Published As
Publication number | Publication date |
---|---|
GB2299442A (en) | 1996-10-02 |
GB2299442B (en) | 1997-04-09 |
GB9610204D0 (en) | 1996-07-24 |
GB2302441A (en) | 1997-01-15 |
GB2299441B (en) | 1997-04-09 |
GB9619509D0 (en) | 1996-10-30 |
GB2299441A (en) | 1996-10-02 |
GB9610167D0 (en) | 1996-07-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
746 | Register noted 'licences of right' (sect. 46/1977) |
Effective date: 20000127 |
|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20031020 |