FR1557280A - - Google Patents
Info
- Publication number
- FR1557280A FR1557280A FR1557280DA FR1557280A FR 1557280 A FR1557280 A FR 1557280A FR 1557280D A FR1557280D A FR 1557280DA FR 1557280 A FR1557280 A FR 1557280A
- Authority
- FR
- France
- 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
- G11B5/54—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
- G11B5/5591—Track change, selection or acquisition by displacement of the head across drum 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
-
- 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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/04—Constructional details
- H02N2/043—Mechanical transmission means, e.g. for stroke amplification
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB01305/67A GB1193503A (en) | 1967-03-10 | 1967-03-10 | Actuators |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1557280A true FR1557280A (fr) | 1969-02-14 |
Family
ID=9983805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1557280D Expired FR1557280A (fr) | 1967-03-10 | 1968-03-07 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3524196A (fr) |
DE (1) | DE1638022A1 (fr) |
FR (1) | FR1557280A (fr) |
GB (1) | GB1193503A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0026524A1 (fr) * | 1979-09-28 | 1981-04-08 | Koninklijke Philips Electronics N.V. | Appareil pour l'enregistrement ou la reproduction de signaux d'une pluralité de pistes parallèles longitudinales sur une bande magnétique |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3614486A (en) * | 1969-11-10 | 1971-10-19 | Physics Int Co | Lever motion multiplier driven by electroexpansive material |
US3649857A (en) * | 1970-07-30 | 1972-03-14 | Ibm | Mechanical energy storage and release device |
FR2223865B1 (fr) * | 1973-03-27 | 1978-10-20 | Thomson Csf | |
US4180839A (en) * | 1977-04-05 | 1979-12-25 | Bell & Howell Company | Information reproducing apparatus |
US4160184A (en) * | 1978-01-09 | 1979-07-03 | The Singer Company | Piezoelectric actuator for a ring laser |
NL7805804A (nl) * | 1978-05-29 | 1979-12-03 | Philips Nv | Inrichting voor het aanleggen van een stuurspanning over een pieezo-elektrisch positioneringselement. |
DE3112886A1 (de) * | 1981-03-31 | 1982-10-14 | Tandberg Data A/S, Oslo | Verfahren zum erkennen einer kante eines magnetischen mediums und vorrichtung zur druchfuehrung des verfahrens |
DE3116687C2 (de) * | 1981-04-28 | 1983-05-26 | Daimler-Benz Ag, 7000 Stuttgart | Elektrisch angesteuertes Stellglied |
US4678955A (en) * | 1986-04-18 | 1987-07-07 | Rca Corporation | Piezoelectric positioning device |
US4723086A (en) * | 1986-10-07 | 1988-02-02 | Micronix Corporation | Coarse and fine motion positioning mechanism |
US4874978A (en) * | 1987-06-09 | 1989-10-17 | Brother Kogyo Kabushiki Kaisha | Device for magnifying displacement of piezoelectric element or the like and method of producing same |
US4979275A (en) * | 1987-06-09 | 1990-12-25 | Brother Kogyo Kabushiki Kaisha | Device for magnifying displacement of piezoelectric element or the like and method for producing same |
US5028834A (en) * | 1988-07-21 | 1991-07-02 | Brother Kogyo Kabushiki Kaisha | Device for magnifying displacement of piezoelectric element and method of producing same |
DE69232043T2 (de) * | 1992-02-19 | 2002-03-21 | Tandberg Data Asa, Oslo | Verfahren und Vorrichtung zur Positionierung eines Magnetkopfes |
US6362542B1 (en) * | 1997-08-15 | 2002-03-26 | Seagate Technology Llc | Piezoelectric microactuator for precise head positioning |
US6674220B2 (en) * | 2001-02-14 | 2004-01-06 | Michigan Aerospace Corp. | Temperature-compensated piezoelectric force motor |
US8476778B2 (en) * | 2009-03-09 | 2013-07-02 | Miw Associates, Llc | Energy generator |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2513269A (en) * | 1945-05-05 | 1950-07-04 | Shure Bros | Transducer having a pair of levers coupling the driving member to the translating element |
US2565586A (en) * | 1949-07-26 | 1951-08-28 | Shure Bros | Lever type piezoelectric transducer |
US2924981A (en) * | 1957-11-25 | 1960-02-16 | Ibm | Electrostrictive positioning device |
DE1165769B (de) * | 1961-10-31 | 1964-03-19 | Licentia Gmbh | Hochleistungsroentgenroehre |
US3289468A (en) * | 1963-05-29 | 1966-12-06 | Southwest Res Inst | Ultrasonic transducer positioning apparatus |
US3315520A (en) * | 1964-03-10 | 1967-04-25 | Parametrics Inc | Ultrasonic measurement apparatus |
GB1071648A (en) * | 1964-11-06 | 1967-06-07 | Standard Telephones Cables Ltd | Position control device |
US3389274A (en) * | 1965-12-06 | 1968-06-18 | Perkin Elmer Corp | Peristaltic actuator |
US3366808A (en) * | 1966-01-03 | 1968-01-30 | Friden Inc | Keyboard key transducer |
US3390559A (en) * | 1967-08-30 | 1968-07-02 | Atomic Energy Commission Usa | Piezomechanical locking mechanism |
-
1967
- 1967-03-10 GB GB01305/67A patent/GB1193503A/en not_active Expired
-
1968
- 1968-03-07 FR FR1557280D patent/FR1557280A/fr not_active Expired
- 1968-03-08 DE DE19681638022 patent/DE1638022A1/de active Pending
- 1968-03-11 US US711983A patent/US3524196A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0026524A1 (fr) * | 1979-09-28 | 1981-04-08 | Koninklijke Philips Electronics N.V. | Appareil pour l'enregistrement ou la reproduction de signaux d'une pluralité de pistes parallèles longitudinales sur une bande magnétique |
Also Published As
Publication number | Publication date |
---|---|
GB1193503A (en) | 1970-06-03 |
US3524196A (en) | 1970-08-11 |
DE1638022A1 (de) | 1971-07-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |