NO760795L - - Google Patents
Info
- Publication number
- NO760795L NO760795L NO760795A NO760795A NO760795L NO 760795 L NO760795 L NO 760795L NO 760795 A NO760795 A NO 760795A NO 760795 A NO760795 A NO 760795A NO 760795 L NO760795 L NO 760795L
- Authority
- NO
- Norway
- Prior art keywords
- objective
- coil
- frame
- cylindrical
- cover
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 6
- 210000002105 tongue Anatomy 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims 1
- 239000007779 soft material Substances 0.000 description 5
- 229910000906 Bronze Inorganic materials 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0932—Details of sprung supports
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/40—Optical focusing aids
-
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0927—Electromechanical actuators for lens positioning for focusing only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7502803.A NL164689C (nl) | 1975-03-10 | 1975-03-10 | Optische focusseerinrichting voor het focusseren van een stralingsbundel. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO760795L true NO760795L (ja) | 1976-09-13 |
Family
ID=19823333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO760795A NO760795L (ja) | 1975-03-10 | 1976-03-08 |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4021101A (ja) |
| JP (3) | JPS51113706A (ja) |
| AT (1) | AT347711B (ja) |
| AU (1) | AU501590B2 (ja) |
| CA (1) | CA1073101A (ja) |
| CH (1) | CH601887A5 (ja) |
| DE (1) | DE2608035C2 (ja) |
| DK (1) | DK96376A (ja) |
| ES (1) | ES445863A1 (ja) |
| FR (1) | FR2304139A1 (ja) |
| GB (1) | GB1536203A (ja) |
| IT (1) | IT1057678B (ja) |
| NL (1) | NL164689C (ja) |
| NO (1) | NO760795L (ja) |
| SE (1) | SE412135B (ja) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7605374A (nl) * | 1976-05-20 | 1977-11-22 | Philips Nv | Inrichting voor het met behulp van een stralen- bundel optisch uitlezen en/of beschrijven van een roterende plaat. |
| JPS54115943U (ja) * | 1978-02-02 | 1979-08-14 | ||
| US4194811A (en) * | 1978-05-03 | 1980-03-25 | The United States Of America As Represented By The Secretary Of The Air Force | Remotely controlled electromagnetic optical focusing assembly |
| US4251492A (en) * | 1978-06-07 | 1981-02-17 | Ciba-Geigy Corporation | Purification process |
| NL7904618A (nl) * | 1979-06-13 | 1980-12-16 | Philips Nv | Optische focusseerinrichting. |
| GB2060927B (en) * | 1979-07-24 | 1984-02-01 | Universal Pioneer Corp | Signal reading device for optical discs |
| NL8004380A (nl) * | 1980-07-31 | 1982-03-01 | Philips Nv | Optische inrichting voor het met een stralingsbundel inschrijven en/of uitlezen van registratiesporen. |
| JPS5736442A (ja) * | 1980-08-11 | 1982-02-27 | Toshiba Corp | Kogakujohosaiseisochi |
| US4303324A (en) * | 1980-10-06 | 1981-12-01 | Eastman Kodak Company | Annular piezoelectric plastic bender lens motor |
| US4422169A (en) * | 1980-10-20 | 1983-12-20 | Discovision Associates | Lens assembly for a video recorder-playback machine |
| FR2497377B1 (fr) * | 1980-12-29 | 1985-06-28 | Thomson Csf | Dispositif d'exploration optique d'un support d'information |
| JPS57120240A (en) * | 1981-01-16 | 1982-07-27 | Sony Corp | Optical disk player |
| JPS57161134U (ja) * | 1981-03-31 | 1982-10-09 | ||
| JPS57176543A (en) * | 1981-04-20 | 1982-10-29 | Sony Corp | Optical type track scanner |
| NL8105072A (nl) * | 1981-11-10 | 1983-06-01 | Philips Nv | Electro-optische inrichting. |
| FR2521377A1 (fr) * | 1982-01-28 | 1983-08-12 | Ricoh Kk | Appareil d'enregistrement et de lecture optique |
| JPS58177532A (ja) * | 1982-04-13 | 1983-10-18 | Mitsubishi Electric Corp | 光ビ−ム制御機構 |
| JPS58179947A (ja) * | 1982-04-15 | 1983-10-21 | Olympus Optical Co Ltd | 光情報再生装置における合焦検出方式 |
| NL8202451A (nl) * | 1982-06-17 | 1984-01-16 | Philips Nv | Optische inrichting. |
| US4598989A (en) * | 1982-12-23 | 1986-07-08 | Konishiroku Photo Industry Co. Ltd. | Camera |
| US4504935A (en) * | 1983-02-14 | 1985-03-12 | U.S. Philips Corporation | Electrodynamic focus and radial slide drive for an optical disc system |
| JPH042420Y2 (ja) * | 1984-09-28 | 1992-01-28 | ||
| US4671656A (en) * | 1985-03-20 | 1987-06-09 | Midac Corporation | Adjustment for reflective surfaces in interferometers |
| US5001694A (en) * | 1986-05-06 | 1991-03-19 | Pencom International Corp. | Tracking and focus actuator for a holographic optical head |
| CN1262767A (zh) * | 1998-03-26 | 2000-08-09 | 皇家菲利浦电子有限公司 | 具有第一和第二透镜单元的光扫描单元 |
| TWM295268U (en) * | 2006-01-13 | 2006-08-01 | Yung-Yu Juang | Focus module |
| EP4137856A1 (en) * | 2021-08-19 | 2023-02-22 | Leica Microsystems CMS GmbH | Optical assembly having a movable lens unit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB979727A (en) * | 1962-05-30 | 1965-01-06 | George Andrew Douglas Gordon | Improvements in microscopes |
| US3861786A (en) * | 1973-05-17 | 1975-01-21 | Teletype Corp | System for mounting an optical lens in a holder for limited movement along a fixed axis |
-
1975
- 1975-03-10 NL NL7502803.A patent/NL164689C/xx not_active IP Right Cessation
- 1975-04-16 US US05/568,623 patent/US4021101A/en not_active Expired - Lifetime
-
1976
- 1976-02-27 DE DE2608035A patent/DE2608035C2/de not_active Expired
- 1976-02-27 SE SE7602603A patent/SE412135B/xx not_active IP Right Cessation
- 1976-03-05 IT IT67542/76A patent/IT1057678B/it active
- 1976-03-05 GB GB8924/76A patent/GB1536203A/en not_active Expired
- 1976-03-05 CA CA247,225A patent/CA1073101A/en not_active Expired
- 1976-03-05 DK DK96376*#A patent/DK96376A/da unknown
- 1976-03-08 NO NO760795A patent/NO760795L/no unknown
- 1976-03-08 AT AT168276A patent/AT347711B/de not_active IP Right Cessation
- 1976-03-08 ES ES445863A patent/ES445863A1/es not_active Expired
- 1976-03-08 CH CH285676A patent/CH601887A5/xx not_active IP Right Cessation
- 1976-03-10 JP JP51025178A patent/JPS51113706A/ja active Pending
- 1976-03-10 FR FR7606834A patent/FR2304139A1/fr active Granted
- 1976-03-11 AU AU11845/76A patent/AU501590B2/en not_active Expired
-
1978
- 1978-08-22 JP JP1978114299U patent/JPS5756340Y2/ja not_active Expired
-
1982
- 1982-01-08 JP JP1982000626U patent/JPH0229526Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE412135B (sv) | 1980-02-18 |
| GB1536203A (en) | 1978-12-20 |
| FR2304139B1 (ja) | 1980-07-04 |
| IT1057678B (it) | 1982-03-30 |
| NL164689B (nl) | 1980-08-15 |
| JPS5451808U (ja) | 1979-04-10 |
| ES445863A1 (es) | 1977-05-01 |
| AT347711B (de) | 1979-01-10 |
| JPH0229526Y2 (ja) | 1990-08-08 |
| CA1073101A (en) | 1980-03-04 |
| FR2304139A1 (fr) | 1976-10-08 |
| CH601887A5 (ja) | 1978-07-14 |
| JPS57161139U (ja) | 1982-10-09 |
| ATA168276A (de) | 1978-05-15 |
| NL7502803A (nl) | 1976-09-14 |
| JPS51113706A (en) | 1976-10-07 |
| JPS5756340Y2 (ja) | 1982-12-04 |
| US4021101A (en) | 1977-05-03 |
| SE7602603L (sv) | 1976-09-13 |
| DE2608035A1 (de) | 1976-09-23 |
| DE2608035C2 (de) | 1983-06-01 |
| NL164689C (nl) | 1981-01-15 |
| AU501590B2 (en) | 1979-06-21 |
| DK96376A (da) | 1976-09-11 |
| AU1184576A (en) | 1977-09-15 |
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