JPS4998211A - - Google Patents
Info
- Publication number
- JPS4998211A JPS4998211A JP48127824A JP12782473A JPS4998211A JP S4998211 A JPS4998211 A JP S4998211A JP 48127824 A JP48127824 A JP 48127824A JP 12782473 A JP12782473 A JP 12782473A JP S4998211 A JPS4998211 A JP S4998211A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- G11B5/52—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 simultaneous movement of head and record carrier, e.g. rotation of head
- G11B5/53—Disposition or mounting of heads on rotating support
-
- 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
- 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
- G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating heads
-
- 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
- G11B15/64—Maintaining desired spacing between record carrier and head by fluid-dynamic spacing
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Magnetic Record Carriers (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00318973A US3821813A (en) | 1972-12-27 | 1972-12-27 | Wasp waist head for flying flexible magnetic storage medium over head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4998211A true JPS4998211A (US07534539-20090519-C00280.png) | 1974-09-17 |
| JPS5736645B2 JPS5736645B2 (US07534539-20090519-C00280.png) | 1982-08-05 |
Family
ID=23240358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12782473A Expired JPS5736645B2 (US07534539-20090519-C00280.png) | 1972-12-27 | 1973-11-15 |
Country Status (12)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5256515A (en) * | 1975-11-04 | 1977-05-10 | Nakamatsu Yoshiro | Threeedimensional magnetic head |
| JPH05101324A (ja) * | 1991-10-07 | 1993-04-23 | Nec Gumma Ltd | 磁気ヘツド |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1424782A (en) * | 1972-02-04 | 1976-02-11 | Matsushita Electric Ind Co Ltd | Magnetic recording and reproducing devices |
| US3996615A (en) * | 1974-04-08 | 1976-12-07 | International Business Machines Corporation | Rotary air bearing head with leading edge controlling air bearing |
| US3961372A (en) * | 1974-07-05 | 1976-06-01 | International Business Machines Corporation | Magnetic tape transport with slotted rotating head |
| US3961369A (en) * | 1974-07-15 | 1976-06-01 | International Business Machines Corporation | Rotating head apparatus having a protruding diameter headwheel which supports a protruding flying head |
| US3947887A (en) * | 1975-04-03 | 1976-03-30 | Storage Technology Corporation | Transducer head contour and method of generating same |
| US4097909A (en) * | 1976-12-20 | 1978-06-27 | International Business Machines Corporation | Magnetic transducer with inner and outer magnetic medium cooperating surface zones of different convexity |
| US4214287A (en) * | 1978-07-20 | 1980-07-22 | Burroughs Corporation | Novel TSF head pair for dual recording on flexible disks |
| JPS5858737B2 (ja) * | 1979-02-07 | 1983-12-27 | 日本ビクター株式会社 | 回転ガイドドラム |
| US4387408A (en) * | 1980-10-03 | 1983-06-07 | Eastman Kodak Company | Multi-speed magnetic recorder with wear resistance playback head |
| JPS57189325A (en) * | 1981-05-18 | 1982-11-20 | Toshiba Corp | Composite magnetic head |
| AT370253B (de) * | 1981-05-25 | 1983-03-10 | Philips Nv | Trommelfoermige abtasteinrichtung fuer ein aufzeichnungs- und/oder wiedergabegeraet |
| US4578727A (en) * | 1984-02-27 | 1986-03-25 | Eastman Kodak Company | Device for stabilizing the movement of a floppy disk over a magnetic head |
| US4620250A (en) * | 1984-03-29 | 1986-10-28 | Eastman Kodak Company | Transducer-to-medium stabilizing device at negative attack angle with respect to medium |
| DE3428800A1 (de) * | 1984-08-04 | 1986-02-13 | Robert Bosch Gmbh, 7000 Stuttgart | Duennschicht-magnetkopf |
| US4792874A (en) * | 1987-02-26 | 1988-12-20 | Eastman Kodak Company | Stabilizer device having an edge configuration for stabilizing the interface between a transducer and a moving medium |
| US4833556A (en) * | 1987-12-22 | 1989-05-23 | Eastman Kodak Company | Low drag stabilizer device for stabilizing the interface between a transducer and a moving medium |
| US5724212A (en) * | 1995-05-26 | 1998-03-03 | Quantum Corporation | Method and apparatus for increasing data density in magnetic data storage disk drives |
| US5969912A (en) * | 1997-12-10 | 1999-10-19 | Cope; James Robert | Bidirectional magnetic read/write recording head surface contour with plurality of Bernoulli Pocket cavities for generating very low media-to-head separations |
| US11615807B1 (en) * | 2022-03-30 | 2023-03-28 | Western Digital Technologies, Inc. | Flat profile tape recording head having beveled non-functional portions |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4895217A (US07534539-20090519-C00280.png) * | 1972-03-17 | 1973-12-06 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3078352A (en) * | 1959-04-17 | 1963-02-19 | Teletrak Corp | Signal translating apparatus and method |
| NL289674A (US07534539-20090519-C00280.png) * | 1963-03-01 | |||
| FR1393852A (fr) * | 1963-05-06 | 1965-03-26 | Philips Nv | Noyau de tête de magnétophone et son procédé de fabrication |
-
1972
- 1972-12-27 US US00318973A patent/US3821813A/en not_active Expired - Lifetime
-
1973
- 1973-11-14 IT IT31274/73A patent/IT999365B/it active
- 1973-11-14 FR FR7341681A patent/FR2212593B1/fr not_active Expired
- 1973-11-15 JP JP12782473A patent/JPS5736645B2/ja not_active Expired
- 1973-12-07 CH CH1717673A patent/CH576683A5/xx not_active IP Right Cessation
- 1973-12-11 ES ES421348A patent/ES421348A1/es not_active Expired
- 1973-12-12 DE DE2361802A patent/DE2361802B2/de active Granted
- 1973-12-12 NL NLAANVRAGE7316989,A patent/NL179853C/xx not_active IP Right Cessation
- 1973-12-13 GB GB5793473A patent/GB1436396A/en not_active Expired
- 1973-12-20 BR BR10033/73A patent/BR7310033D0/pt unknown
- 1973-12-20 SE SE7317211A patent/SE398406B/xx unknown
- 1973-12-21 CA CA188,739A patent/CA1012642A/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4895217A (US07534539-20090519-C00280.png) * | 1972-03-17 | 1973-12-06 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5256515A (en) * | 1975-11-04 | 1977-05-10 | Nakamatsu Yoshiro | Threeedimensional magnetic head |
| JPH05101324A (ja) * | 1991-10-07 | 1993-04-23 | Nec Gumma Ltd | 磁気ヘツド |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2361802C3 (US07534539-20090519-C00280.png) | 1979-06-21 |
| FR2212593B1 (US07534539-20090519-C00280.png) | 1978-11-03 |
| NL7316989A (US07534539-20090519-C00280.png) | 1974-07-01 |
| CA1012642A (en) | 1977-06-21 |
| DE2361802A1 (de) | 1974-07-18 |
| DE2361802B2 (de) | 1978-10-19 |
| CH576683A5 (US07534539-20090519-C00280.png) | 1976-06-15 |
| NL179853B (nl) | 1986-06-16 |
| JPS5736645B2 (US07534539-20090519-C00280.png) | 1982-08-05 |
| FR2212593A1 (US07534539-20090519-C00280.png) | 1974-07-26 |
| GB1436396A (en) | 1976-05-19 |
| US3821813A (en) | 1974-06-28 |
| NL179853C (nl) | 1986-11-17 |
| ES421348A1 (es) | 1976-04-16 |
| IT999365B (it) | 1976-02-20 |
| SE398406B (sv) | 1977-12-19 |
| BR7310033D0 (pt) | 1974-08-15 |
