CH601887A5 - - Google Patents
Info
- Publication number
- CH601887A5 CH601887A5 CH285676A CH285676A CH601887A5 CH 601887 A5 CH601887 A5 CH 601887A5 CH 285676 A CH285676 A CH 285676A CH 285676 A CH285676 A CH 285676A CH 601887 A5 CH601887 A5 CH 601887A5
- Authority
- CH
- Switzerland
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
- G11B7/0925—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 |
|---|---|
| CH601887A5 true CH601887A5 (nl) | 1978-07-14 |
Family
ID=19823333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH285676A CH601887A5 (nl) | 1975-03-10 | 1976-03-08 |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4021101A (nl) |
| JP (3) | JPS51113706A (nl) |
| AT (1) | AT347711B (nl) |
| AU (1) | AU501590B2 (nl) |
| CA (1) | CA1073101A (nl) |
| CH (1) | CH601887A5 (nl) |
| DE (1) | DE2608035C2 (nl) |
| DK (1) | DK96376A (nl) |
| ES (1) | ES445863A1 (nl) |
| FR (1) | FR2304139A1 (nl) |
| GB (1) | GB1536203A (nl) |
| IT (1) | IT1057678B (nl) |
| NL (1) | NL164689C (nl) |
| NO (1) | NO760795L (nl) |
| SE (1) | SE412135B (nl) |
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 (nl) * | 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 (nl) * | 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 (nl) * | 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/nl not_active IP Right Cessation
- 1975-04-16 US US05/568,623 patent/US4021101A/en not_active Expired - Lifetime
-
1976
- 1976-02-27 SE SE7602603A patent/SE412135B/xx not_active IP Right Cessation
- 1976-02-27 DE DE2608035A patent/DE2608035C2/de not_active Expired
- 1976-03-05 DK DK96376*#A patent/DK96376A/da unknown
- 1976-03-05 CA CA247,225A patent/CA1073101A/en not_active Expired
- 1976-03-05 GB GB8924/76A patent/GB1536203A/en not_active Expired
- 1976-03-05 IT IT67542/76A patent/IT1057678B/it active
- 1976-03-08 CH CH285676A patent/CH601887A5/xx not_active IP Right Cessation
- 1976-03-08 AT AT168276A patent/AT347711B/de not_active IP Right Cessation
- 1976-03-08 NO NO760795A patent/NO760795L/no unknown
- 1976-03-08 ES ES445863A patent/ES445863A1/es not_active Expired
- 1976-03-10 FR FR7606834A patent/FR2304139A1/fr active Granted
- 1976-03-10 JP JP51025178A patent/JPS51113706A/ja active Pending
- 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 |
|---|---|
| JPS5451808U (nl) | 1979-04-10 |
| US4021101A (en) | 1977-05-03 |
| ATA168276A (de) | 1978-05-15 |
| AU1184576A (en) | 1977-09-15 |
| GB1536203A (en) | 1978-12-20 |
| FR2304139A1 (fr) | 1976-10-08 |
| NL7502803A (nl) | 1976-09-14 |
| CA1073101A (en) | 1980-03-04 |
| NL164689B (nl) | 1980-08-15 |
| AT347711B (de) | 1979-01-10 |
| JPS57161139U (nl) | 1982-10-09 |
| SE7602603L (sv) | 1976-09-13 |
| JPH0229526Y2 (nl) | 1990-08-08 |
| FR2304139B1 (nl) | 1980-07-04 |
| JPS51113706A (en) | 1976-10-07 |
| IT1057678B (it) | 1982-03-30 |
| SE412135B (sv) | 1980-02-18 |
| JPS5756340Y2 (nl) | 1982-12-04 |
| AU501590B2 (en) | 1979-06-21 |
| NO760795L (nl) | 1976-09-13 |
| DE2608035C2 (de) | 1983-06-01 |
| ES445863A1 (es) | 1977-05-01 |
| NL164689C (nl) | 1981-01-15 |
| DE2608035A1 (de) | 1976-09-23 |
| DK96376A (da) | 1976-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |