JPS4917211A - - Google Patents
Info
- Publication number
- JPS4917211A JPS4917211A JP48037520A JP3752073A JPS4917211A JP S4917211 A JPS4917211 A JP S4917211A JP 48037520 A JP48037520 A JP 48037520A JP 3752073 A JP3752073 A JP 3752073A JP S4917211 A JPS4917211 A JP S4917211A
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
- G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
-
- 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
- G11B5/49—Fixed mounting or arrangements, e.g. one head per 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
- G11B5/58—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
Landscapes
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Moving Of Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24060472A | 1972-04-03 | 1972-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4917211A true JPS4917211A (US07909888-20110322-C00008.png) | 1974-02-15 |
Family
ID=22907204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48037520A Pending JPS4917211A (US07909888-20110322-C00008.png) | 1972-04-03 | 1973-04-03 |
Country Status (8)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5339106A (en) * | 1976-09-22 | 1978-04-10 | Nec Corp | Magnetic disc memory device |
| KR20180126568A (ko) | 2016-03-30 | 2018-11-27 | 가부시키가이샤 오사카 크립 | 연필깎이 |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4005485A (en) * | 1973-08-31 | 1977-01-25 | Xerox Corporation | Apparatus and method for loading and unloading transducer heads |
| US3984873A (en) * | 1974-09-16 | 1976-10-05 | Information Storage Systems, Inc. | Head loading and unloading assembly for a magnetic disc drive having a rotary actuator |
| DE2732432C2 (de) * | 1977-07-18 | 1988-05-05 | Nixdorf Computer Ag, 4790 Paderborn | Schwenkarm für einen Magnetplattenspeicher |
| US4270154A (en) * | 1978-03-01 | 1981-05-26 | Crawford John E | Head selection technique |
| US4208684A (en) * | 1978-05-11 | 1980-06-17 | International Business Machines Corporation | Damper for constant load arm |
| US4667258A (en) * | 1984-03-27 | 1987-05-19 | Ixi Laboratories, Inc. | Disk drive with multiple head cartridge |
| DE3446446A1 (de) * | 1984-12-20 | 1986-06-26 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth | Kopftraeger mit magnetkopf |
| JPS61239458A (ja) * | 1985-04-04 | 1986-10-24 | Fujitsu Ltd | 磁気記録再生装置 |
| JPS61253679A (ja) * | 1985-05-07 | 1986-11-11 | Toshiba Corp | 磁気デイスク装置 |
| JPS6222267A (ja) * | 1985-07-23 | 1987-01-30 | Mitsubishi Electric Corp | 両面型フレキシブルデイスクのヘツド支持装置 |
| US4791508A (en) * | 1986-01-21 | 1988-12-13 | Raymond Engineering Inc. | Magnetic disc memory unit |
| US4870703A (en) * | 1986-12-15 | 1989-09-26 | Raymond Engineering Inc. | Magnetic disc memory unit |
| US4933785A (en) * | 1988-03-01 | 1990-06-12 | Prairietek Corporation | Disk drive apparatus using dynamic loading/unloading |
| US5027241A (en) * | 1989-06-01 | 1991-06-25 | Quantum Corporation | Data head load beam for height compacted, low power fixed head and disk assembly |
| US5208712A (en) * | 1989-06-01 | 1993-05-04 | Quantum Corporation | Data head load beam for height compacted, low power fixed head and disk assembly |
| US5223993A (en) * | 1989-11-03 | 1993-06-29 | Conner Peripherals, Inc. | Multiple actuator disk drive |
| JP2642069B2 (ja) * | 1993-12-28 | 1997-08-20 | インターナショナル・ビジネス・マシーンズ・コーポレイション | アクチュエータのリトラクト方法及び磁気ディスク装置 |
| US6091577A (en) * | 1997-04-18 | 2000-07-18 | Seagate Technology, Inc. | Adjustable head loading apparatus |
| JP2000149476A (ja) * | 1998-11-09 | 2000-05-30 | Fujitsu Ltd | 記録再生装置 |
| WO2001018804A1 (en) * | 1999-09-09 | 2001-03-15 | Ohly D Christopher | Disk drive with multiple heads for reduced track access time |
| EP1429317A1 (en) * | 2002-12-12 | 2004-06-16 | Matsushita Electric Industrial Co., Ltd. | Head support device and its driving method, and disk drive using same |
| US8693126B2 (en) * | 2010-03-16 | 2014-04-08 | Lsi Corporation | Ultra fast disk access using arrays of fixed read/write transducers |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3478341A (en) * | 1966-07-11 | 1969-11-11 | Ncr Co | Random access magnetic disc storage device with peripheral bearing means |
| US3544980A (en) * | 1968-03-22 | 1970-12-01 | Peripheral Systems Corp | Magnetic recording disc drive with head positioning and collision avoidance apparatus |
| US3646536A (en) * | 1969-12-04 | 1972-02-29 | Sli Ind | Head-positioning apparatus |
-
1972
- 1972-04-03 US US00240604A patent/US3772666A/en not_active Expired - Lifetime
-
1973
- 1973-03-24 DE DE19732314720 patent/DE2314720A1/de active Pending
- 1973-03-27 CA CA167,181A patent/CA1018279A/en not_active Expired
- 1973-03-27 IT IT22248/73A patent/IT981686B/it active
- 1973-03-30 GB GB1548773A patent/GB1401594A/en not_active Expired
- 1973-04-02 NL NL7304546A patent/NL7304546A/xx unknown
- 1973-04-03 FR FR7311972A patent/FR2179056A1/fr not_active Withdrawn
- 1973-04-03 JP JP48037520A patent/JPS4917211A/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5339106A (en) * | 1976-09-22 | 1978-04-10 | Nec Corp | Magnetic disc memory device |
| KR20180126568A (ko) | 2016-03-30 | 2018-11-27 | 가부시키가이샤 오사카 크립 | 연필깎이 |
| TWI655109B (zh) * | 2016-03-30 | 2019-04-01 | 大阪夾子股份有限公司 | 削鉛筆機 |
| US10906347B2 (en) | 2016-03-30 | 2021-02-02 | Osaka Clip Co., Ltd | Pencil sharpener |
Also Published As
| Publication number | Publication date |
|---|---|
| US3772666A (en) | 1973-11-13 |
| IT981686B (it) | 1974-10-10 |
| DE2314720A1 (de) | 1973-10-11 |
| CA1018279A (en) | 1977-09-27 |
| GB1401594A (en) | 1975-07-16 |
| FR2179056A1 (US07909888-20110322-C00008.png) | 1973-11-16 |
| NL7304546A (US07909888-20110322-C00008.png) | 1973-10-05 |
