IT1073075B - Apparato di supporto idrostatico - Google Patents
Apparato di supporto idrostaticoInfo
- Publication number
- IT1073075B IT1073075B IT28407/76A IT2840776A IT1073075B IT 1073075 B IT1073075 B IT 1073075B IT 28407/76 A IT28407/76 A IT 28407/76A IT 2840776 A IT2840776 A IT 2840776A IT 1073075 B IT1073075 B IT 1073075B
- Authority
- IT
- Italy
- Prior art keywords
- support apparatus
- hydrostatic support
- hydrostatic
- support
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0603—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0662—Details of hydrostatic bearings independent of fluid supply or direction of load
- F16C32/0666—Details of hydrostatic bearings independent of fluid supply or direction of load of bearing pads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/627,667 US4030815A (en) | 1975-10-31 | 1975-10-31 | Hydrostatic bearing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1073075B true IT1073075B (it) | 1985-04-13 |
Family
ID=24515595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT28407/76A IT1073075B (it) | 1975-10-31 | 1976-10-15 | Apparato di supporto idrostatico |
Country Status (8)
Country | Link |
---|---|
US (1) | US4030815A (it) |
JP (1) | JPS5257454A (it) |
AU (1) | AU506102B2 (it) |
CA (1) | CA1063660A (it) |
DE (1) | DE2649908C2 (it) |
FR (1) | FR2329891A1 (it) |
GB (1) | GB1561537A (it) |
IT (1) | IT1073075B (it) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5853523Y2 (ja) * | 1979-11-06 | 1983-12-06 | オリンパス光学工業株式会社 | 顕微鏡の自動焦点装置 |
US4310915A (en) * | 1979-12-26 | 1982-01-12 | Rca Corporation | Dual parallelogram cutterhead suspension apparatus |
US4317192A (en) * | 1979-12-26 | 1982-02-23 | Rca Corporation | Head suspension velocity control apparatus for electromechanical recorder |
US4322838A (en) * | 1980-02-11 | 1982-03-30 | Hewlett-Packard Company | Dynamic focus adjustment for transmissive or reflective optical disc memory systems |
JPS5850336A (ja) * | 1981-09-17 | 1983-03-24 | Matsushita Electric Ind Co Ltd | 可動体保持装置 |
DE3144788A1 (de) * | 1981-11-11 | 1983-05-19 | Fa. Carl Zeiss, 7920 Heidenheim | Drossel fuer gaslager |
US4498737A (en) * | 1982-02-26 | 1985-02-12 | Benson Inc. | Adjusting mechanism for use with diode lasers |
US4594702A (en) * | 1982-11-12 | 1986-06-10 | Discovision Associates | Fluid bearing for axially movable head |
JPS59104733A (ja) * | 1982-12-08 | 1984-06-16 | Pioneer Electronic Corp | 光学式情報読取装置における光学系駆動装置 |
JPH046719Y2 (it) * | 1985-02-08 | 1992-02-24 | ||
JPS6151200U (it) * | 1985-07-15 | 1986-04-05 | ||
US4712887A (en) * | 1985-12-20 | 1987-12-15 | Dazar Corporation | Optical system for fast access optical data storage device |
US4824248A (en) * | 1987-12-21 | 1989-04-25 | Environmental Research Institute Of Michigan | Stabilized sensor device |
GB2216710B (en) * | 1988-03-14 | 1992-09-02 | Ici Plc | Optical or magneto-optical data system |
US5012463A (en) * | 1988-03-14 | 1991-04-30 | Bernoulli Optical Systems Company | Optical read/write storage system for flexible media having bernoulli stabilization at the optical head |
DE3825224A1 (de) * | 1988-07-25 | 1990-02-01 | Man Energie Gmbh | Steuerung eines pruefkopfes fuer materialpruefung |
US4913527A (en) * | 1988-09-19 | 1990-04-03 | Eastman Kodak Company | Lens focus adjustment means |
FR2648241B1 (fr) * | 1989-06-12 | 1991-09-27 | Aerospatiale | Dispositif de guidage et de manoeuvre d'un element mobile parallelement a un axe, et instrument optique le comportant |
US6189875B1 (en) * | 1997-11-12 | 2001-02-20 | U.S. Philips Corporation | Positioning device with H-drive having spring coupling between beams |
DE19952806A1 (de) * | 1999-11-02 | 2001-05-03 | Drecoll Stein Harm | Schwenkarm mit Schreibkopf |
EP1886309B1 (en) * | 2005-05-30 | 2009-01-21 | Thomson Licensing | Compact pickup for micro optical drive |
EP1729294A1 (en) * | 2005-05-30 | 2006-12-06 | Deutsche Thomson-Brandt Gmbh | Compact pickup for micro optical drive |
DE102015120566B4 (de) * | 2014-12-01 | 2021-12-16 | Schott Ag | Verfahren und Vorrichtung zum Ritzen von Dünnglas sowie angeritztes Dünnglas |
CN109538631B (zh) * | 2018-11-29 | 2023-09-05 | 上海千歌环保科技有限公司 | 一种防抱死气动轴承 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3124660A (en) * | 1960-03-07 | 1964-03-10 | cmner | |
GB982855A (en) * | 1961-06-28 | 1965-02-10 | Ibm | Element supporting apparatus embodying a fluid bearing e.g. in information storage devices |
US3081682A (en) * | 1961-06-28 | 1963-03-19 | Ibm | Method and apparatus for obtaining and maintaining spacing of a transducer |
DE1472298A1 (de) * | 1966-09-29 | 1969-03-13 | Leitz Ernst Gmbh | Anordnung zur Fuehrung des Objektivs eines optischen Geraetes |
CH461149A (de) * | 1967-05-09 | 1968-08-15 | Conradi G Ag | Einrichtung an einer Zeichenmaschine oder einem Koordinatographen zur mindestens angenähert fehlerfreien Auftragung von Punkten, Linien und Symbolen auf eine zur Führungsebene des Arbeitswagens nicht parallele und/oder nicht plane photographische Schicht |
GB1201124A (en) * | 1968-03-09 | 1970-08-05 | Ferranti Ltd | Improvements relating to fluid bearings |
US3636849A (en) * | 1970-01-28 | 1972-01-25 | Bell Telephone Labor Inc | Automatic focus control for a camera |
DE2259604B2 (de) * | 1972-12-06 | 1981-02-05 | Robert Bosch Gmbh, 7000 Stuttgart | Luftlager für optische Systeme |
-
1975
- 1975-10-31 US US05/627,667 patent/US4030815A/en not_active Expired - Lifetime
-
1976
- 1976-10-04 CA CA262,599A patent/CA1063660A/en not_active Expired
- 1976-10-15 IT IT28407/76A patent/IT1073075B/it active
- 1976-10-22 GB GB44059/76A patent/GB1561537A/en not_active Expired
- 1976-10-25 AU AU18940/76A patent/AU506102B2/en not_active Expired
- 1976-10-29 FR FR7632852A patent/FR2329891A1/fr active Granted
- 1976-10-29 DE DE2649908A patent/DE2649908C2/de not_active Expired
- 1976-10-29 JP JP51131158A patent/JPS5257454A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2329891A1 (fr) | 1977-05-27 |
DE2649908A1 (de) | 1977-05-12 |
CA1063660A (en) | 1979-10-02 |
JPS56648B2 (it) | 1981-01-09 |
JPS5257454A (en) | 1977-05-11 |
AU506102B2 (en) | 1979-12-13 |
US4030815A (en) | 1977-06-21 |
AU1894076A (en) | 1978-05-04 |
FR2329891B1 (it) | 1982-12-03 |
DE2649908C2 (de) | 1984-01-05 |
GB1561537A (en) | 1980-02-20 |
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