FR2480479B1 - Groupe de commande de disques durs montes en position fixe et d'actionnement de tetes de lecture et d'enregistrement pour appareil de traitement de l'information - Google Patents
Groupe de commande de disques durs montes en position fixe et d'actionnement de tetes de lecture et d'enregistrement pour appareil de traitement de l'informationInfo
- Publication number
- FR2480479B1 FR2480479B1 FR8024259A FR8024259A FR2480479B1 FR 2480479 B1 FR2480479 B1 FR 2480479B1 FR 8024259 A FR8024259 A FR 8024259A FR 8024259 A FR8024259 A FR 8024259A FR 2480479 B1 FR2480479 B1 FR 2480479B1
- Authority
- FR
- France
- Prior art keywords
- actuator
- reading
- control unit
- processing apparatus
- information processing
- 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
- 230000010365 information processing Effects 0.000 title 1
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
- G11B5/54—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
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/50—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges
- G11B23/505—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of disk carriers
- G11B23/507—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of disk carriers combined with means for reducing influence of physical parameters, e.g. temperature change, moisture
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/139,428 US4323939A (en) | 1980-04-11 | 1980-04-11 | Hard fixed disc drive assembly and read-write head actuator |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2480479A1 FR2480479A1 (fr) | 1981-10-16 |
FR2480479B1 true FR2480479B1 (fr) | 1986-02-21 |
Family
ID=22486609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8024259A Expired FR2480479B1 (fr) | 1980-04-11 | 1980-11-14 | Groupe de commande de disques durs montes en position fixe et d'actionnement de tetes de lecture et d'enregistrement pour appareil de traitement de l'information |
Country Status (8)
Country | Link |
---|---|
US (1) | US4323939A (fr) |
JP (1) | JPS56159868A (fr) |
CA (1) | CA1145461A (fr) |
DE (1) | DE3041275C2 (fr) |
FR (1) | FR2480479B1 (fr) |
GB (1) | GB2074359B (fr) |
IT (1) | IT1134179B (fr) |
NL (1) | NL177448C (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3112895C2 (de) * | 1981-03-31 | 1987-04-23 | Tandberg Data A/S, Oslo | Vorrichtung zum Einstellen eines Magnetkopfes in einem Magnetbandgerät |
US4725904A (en) * | 1981-10-05 | 1988-02-16 | Tandon Corporation | Magnetic disk memory apparatus with improved contamination control |
GB2127205B (en) * | 1982-09-16 | 1986-09-10 | Ricoh Kk | Floppy disk drive |
DE8311053U1 (de) * | 1983-04-14 | 1983-10-13 | Basf Ag, 6700 Ludwigshafen | Positioniereinrichtung fuer einen platten-informationsspeicher |
JPS6010467A (ja) * | 1983-06-30 | 1985-01-19 | Tokico Ltd | 磁気デイスク記憶装置 |
US4568988A (en) * | 1984-02-22 | 1986-02-04 | Rodime Plc | Micro hard-disk drive system |
US4638383A (en) * | 1984-02-22 | 1987-01-20 | Mcginlay James G | Micro hard-disk drive system |
US4667258A (en) * | 1984-03-27 | 1987-05-19 | Ixi Laboratories, Inc. | Disk drive with multiple head cartridge |
US4568992A (en) * | 1984-04-25 | 1986-02-04 | Seagate Technology | Disc drive linear actuator |
JPS60183968U (ja) * | 1984-05-16 | 1985-12-06 | 富士写真フイルム株式会社 | 磁気ヘツドの送り装置 |
JPH0424770Y2 (fr) * | 1984-09-19 | 1992-06-11 | ||
GB2187325B (en) * | 1986-01-17 | 1989-10-25 | Mitsubishi Electric Corp | Recording and reproducing disc driving apparatus |
US4791508A (en) * | 1986-01-21 | 1988-12-13 | Raymond Engineering Inc. | Magnetic disc memory unit |
GB2187031B (en) * | 1986-01-21 | 1990-10-17 | Raymond Engineering | Magnetic disc memory unit |
IT1187949B (it) * | 1986-03-05 | 1987-12-23 | Olivetti & Co Spa | Perfezionamenti per un apparecchio per la lettura e o registrazione di informazioni su un disco rotante |
US4896239A (en) * | 1987-03-30 | 1990-01-23 | Seagate Technology, Inc. | Bi-compliant rotor stepper motor for an actuator in a disc drive |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3733592A (en) * | 1968-03-22 | 1973-05-15 | R Applequist | Split pawl positioning mechanism for a magnetic head |
US3749827A (en) * | 1969-11-01 | 1973-07-31 | Victor Company Of Japan | Endless non-metallic belt for intermittently moving a transducer head transversely across a rotary magnetic disc |
US3643242A (en) * | 1970-07-09 | 1972-02-15 | Xerox Corp | Transducer displacement control in movable head-type storage disk systems |
US3665433A (en) * | 1970-10-09 | 1972-05-23 | Information Magnetics Corp | Linear positioner for magnetic transducer |
US3721967A (en) * | 1971-08-02 | 1973-03-20 | Ibm | Head carriage assembly for magnetic disk storage drive |
US3838455A (en) * | 1973-03-05 | 1974-09-24 | Ibm | Head carriage assembly for magnetic disk storage apparatus |
US3934883A (en) * | 1974-01-10 | 1976-01-27 | Chambers Robert L | Disk record player |
US3870320A (en) * | 1974-03-25 | 1975-03-11 | Rca Corp | Pickup arm control for video disc player |
US4012780A (en) * | 1975-11-19 | 1977-03-15 | Xerox Corporation | Linear actuator |
JPS5387712A (en) * | 1977-01-12 | 1978-08-02 | Nec Corp | Magnetic recorder/reproducer |
US4161004A (en) * | 1977-04-05 | 1979-07-10 | Shugart Associates | Head positioning mechanism for recording/playback machine |
US4170146A (en) * | 1977-08-18 | 1979-10-09 | Micro Peripherals, Inc. | Mechanism for transforming rotary motion to linear motion adapted for driving a magnetic head |
US4200894A (en) * | 1978-04-24 | 1980-04-29 | Data General Corporation | Head adjustment mechanism for rigid magnetic disc memory apparatus |
-
1980
- 1980-04-11 US US06/139,428 patent/US4323939A/en not_active Expired - Lifetime
- 1980-10-23 GB GB8034216A patent/GB2074359B/en not_active Expired
- 1980-10-27 CA CA000363314A patent/CA1145461A/fr not_active Expired
- 1980-11-03 DE DE3041275A patent/DE3041275C2/de not_active Expired
- 1980-11-05 IT IT25776/80A patent/IT1134179B/it active
- 1980-11-05 NL NLAANVRAGE8006049,A patent/NL177448C/xx not_active IP Right Cessation
- 1980-11-07 JP JP15675580A patent/JPS56159868A/ja active Pending
- 1980-11-14 FR FR8024259A patent/FR2480479B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS56159868A (en) | 1981-12-09 |
US4323939A (en) | 1982-04-06 |
CA1145461A (fr) | 1983-04-26 |
NL177448B (nl) | 1985-04-16 |
GB2074359B (en) | 1984-02-01 |
DE3041275A1 (de) | 1982-02-25 |
DE3041275C2 (de) | 1986-05-28 |
IT8025776A0 (it) | 1980-11-05 |
IT1134179B (it) | 1986-07-31 |
NL8006049A (nl) | 1981-11-02 |
FR2480479A1 (fr) | 1981-10-16 |
NL177448C (nl) | 1985-09-16 |
GB2074359A (en) | 1981-10-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
DA | Annulment of decision of lapse | ||
ST | Notification of lapse |