GB2366625B - Galvano mirror unit with biassing member - Google Patents
Galvano mirror unit with biassing memberInfo
- Publication number
- GB2366625B GB2366625B GB0122266A GB0122266A GB2366625B GB 2366625 B GB2366625 B GB 2366625B GB 0122266 A GB0122266 A GB 0122266A GB 0122266 A GB0122266 A GB 0122266A GB 2366625 B GB2366625 B GB 2366625B
- Authority
- GB
- United Kingdom
- Prior art keywords
- mirror unit
- galvano mirror
- biassing member
- biassing
- galvano
- 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 - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/105—Scanning systems with one or more pivoting mirrors or galvano-mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
- G11B11/10567—Mechanically moving the transducers
- G11B11/10569—Swing arm positioners
-
- 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
- G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors
-
- 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/0857—Arrangements for mechanically moving the whole head
- G11B7/08576—Swinging-arm positioners
-
- 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
-
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1362—Mirrors
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/1058—Flying heads
-
- 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
- G11B7/0901—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 track following only
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Recording Or Reproduction (AREA)
- Mechanical Optical Scanning Systems (AREA)
Applications Claiming Priority (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17206297A JP3500044B2 (en) | 1997-06-27 | 1997-06-27 | Galvano mirror device |
JP17205997A JPH1116182A (en) | 1997-06-27 | 1997-06-27 | Galvanomirror device |
JP17206197A JP3500043B2 (en) | 1997-06-27 | 1997-06-27 | Galvano mirror device |
JP31433697A JP3563940B2 (en) | 1997-10-30 | 1997-10-30 | Galvano mirror |
JP31608297A JPH11133343A (en) | 1997-10-31 | 1997-10-31 | Galvanomirror |
JP31608197A JPH11133342A (en) | 1997-10-31 | 1997-10-31 | Galvanomirror |
JP32212697A JPH11142772A (en) | 1997-11-08 | 1997-11-08 | Galvano-mirror |
JP32212797A JP3477354B2 (en) | 1997-11-08 | 1997-11-08 | Galvano mirror |
JP32693997A JP3510775B2 (en) | 1997-11-12 | 1997-11-12 | Galvano mirror |
JP32693897A JP3477355B2 (en) | 1997-11-12 | 1997-11-12 | Galvano mirror |
JP12012398A JP3477365B2 (en) | 1998-04-14 | 1998-04-14 | Galvano mirror holding structure |
JP12012298A JP3510789B2 (en) | 1998-04-14 | 1998-04-14 | Galvano mirror holding structure |
GB9813948A GB2328291B (en) | 1997-06-27 | 1998-06-29 | Galvano mirror unit |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0122266D0 GB0122266D0 (en) | 2001-11-07 |
GB2366625A GB2366625A (en) | 2002-03-13 |
GB2366625B true GB2366625B (en) | 2002-04-24 |
Family
ID=27584066
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0122285A Expired - Fee Related GB2365538B (en) | 1997-06-27 | 1998-06-29 | Galvano mirror unit with positioning magnet |
GB0122279A Expired - Fee Related GB2365537B (en) | 1997-06-27 | 1998-06-29 | Galvano mirror unit with plate spring on stator |
GB0122280A Expired - Fee Related GB2367382B (en) | 1997-06-27 | 1998-06-29 | Galvano mirror unit with plate spring on stator |
GB0122282A Expired - Fee Related GB2366626B (en) | 1997-06-27 | 1998-06-29 | Galvano mirror unit |
GB0122266A Expired - Fee Related GB2366625B (en) | 1997-06-27 | 1998-06-29 | Galvano mirror unit with biassing member |
GB0122264A Expired - Fee Related GB2365536B (en) | 1997-06-27 | 1998-06-29 | Galvano mirror unit with offset magnet on stator |
Family Applications Before (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0122285A Expired - Fee Related GB2365538B (en) | 1997-06-27 | 1998-06-29 | Galvano mirror unit with positioning magnet |
GB0122279A Expired - Fee Related GB2365537B (en) | 1997-06-27 | 1998-06-29 | Galvano mirror unit with plate spring on stator |
GB0122280A Expired - Fee Related GB2367382B (en) | 1997-06-27 | 1998-06-29 | Galvano mirror unit with plate spring on stator |
GB0122282A Expired - Fee Related GB2366626B (en) | 1997-06-27 | 1998-06-29 | Galvano mirror unit |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0122264A Expired - Fee Related GB2365536B (en) | 1997-06-27 | 1998-06-29 | Galvano mirror unit with offset magnet on stator |
Country Status (1)
Country | Link |
---|---|
GB (6) | GB2365538B (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5610752A (en) * | 1992-05-27 | 1997-03-11 | Opticon Inc. | Optical reader with vibrating mirror |
-
1998
- 1998-06-29 GB GB0122285A patent/GB2365538B/en not_active Expired - Fee Related
- 1998-06-29 GB GB0122279A patent/GB2365537B/en not_active Expired - Fee Related
- 1998-06-29 GB GB0122280A patent/GB2367382B/en not_active Expired - Fee Related
- 1998-06-29 GB GB0122282A patent/GB2366626B/en not_active Expired - Fee Related
- 1998-06-29 GB GB0122266A patent/GB2366625B/en not_active Expired - Fee Related
- 1998-06-29 GB GB0122264A patent/GB2365536B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5610752A (en) * | 1992-05-27 | 1997-03-11 | Opticon Inc. | Optical reader with vibrating mirror |
Also Published As
Publication number | Publication date |
---|---|
GB2365538B (en) | 2002-04-03 |
GB2367382B (en) | 2002-05-15 |
GB0122280D0 (en) | 2001-11-07 |
GB2366626B (en) | 2002-04-24 |
GB2365538A (en) | 2002-02-20 |
GB2365536A (en) | 2002-02-20 |
GB0122266D0 (en) | 2001-11-07 |
GB2366626A (en) | 2002-03-13 |
GB0122264D0 (en) | 2001-11-07 |
GB2365537A (en) | 2002-02-20 |
GB0122285D0 (en) | 2001-11-07 |
GB2365536B (en) | 2002-04-03 |
GB2367382A (en) | 2002-04-03 |
GB0122282D0 (en) | 2001-11-07 |
GB0122279D0 (en) | 2001-11-07 |
GB2365537B (en) | 2002-04-10 |
GB2366625A (en) | 2002-03-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20060629 |