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GB2175705B - Dirigible reflector and mounting made of crystal material - Google Patents

Dirigible reflector and mounting made of crystal material

Info

Publication number
GB2175705B
GB2175705B GB8513250A GB8513250A GB2175705B GB 2175705 B GB2175705 B GB 2175705B GB 8513250 A GB8513250 A GB 8513250A GB 8513250 A GB8513250 A GB 8513250A GB 2175705 B GB2175705 B GB 2175705B
Authority
GB
United Kingdom
Prior art keywords
dirigible
reflector
crystal material
mounting made
mounting
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
Application number
GB8513250A
Other versions
GB2175705A (en
GB8513250D0 (en
Inventor
John Christopher Greenwood
Dennis Percy Newstead
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
STC PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by STC PLC filed Critical STC PLC
Priority to GB8513250A priority Critical patent/GB2175705B/en
Publication of GB8513250D0 publication Critical patent/GB8513250D0/en
Publication of GB2175705A publication Critical patent/GB2175705A/en
Application granted granted Critical
Publication of GB2175705B publication Critical patent/GB2175705B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10554—Moving beam scanning
    • G06K7/10594—Beam path
    • G06K7/10603—Basic scanning using moving elements
    • G06K7/10633—Basic scanning using moving elements by oscillation
    • G06K7/10643—Activating means
    • G06K7/10653—Activating means using flexible or piezoelectric means
    • 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
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • 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
    • G02B7/1822—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors comprising means for aligning the optical axis
    • G02B7/1827—Motorised alignment
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00—Other aspects
    • G06K2207/1016—Motor control or optical moving unit control

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Optical Head (AREA)
GB8513250A 1985-05-24 1985-05-24 Dirigible reflector and mounting made of crystal material Expired GB2175705B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8513250A GB2175705B (en) 1985-05-24 1985-05-24 Dirigible reflector and mounting made of crystal material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8513250A GB2175705B (en) 1985-05-24 1985-05-24 Dirigible reflector and mounting made of crystal material

Publications (3)

Publication Number Publication Date
GB8513250D0 GB8513250D0 (en) 1985-06-26
GB2175705A GB2175705A (en) 1986-12-03
GB2175705B true GB2175705B (en) 1989-04-19

Family

ID=10579671

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8513250A Expired GB2175705B (en) 1985-05-24 1985-05-24 Dirigible reflector and mounting made of crystal material

Country Status (1)

Country Link
GB (1) GB2175705B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6544863B1 (en) 2001-08-21 2003-04-08 Calient Networks, Inc. Method of fabricating semiconductor wafers having multiple height subsurface layers

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US5374817A (en) * 1988-05-11 1994-12-20 Symbol Technologies, Inc. Pre-objective scanner with flexible optical support
US5099110A (en) * 1989-10-30 1992-03-24 Symbol Technologies, Inc. Power saving scanning arrangement
US5206492A (en) * 1989-10-30 1993-04-27 Symbol Technologies, Inc. Bar code symbol scanner with reduced power usage to effect reading
US5168149A (en) * 1989-10-30 1992-12-01 Symbol Technologies, Inc. Scan pattern generators for bar code symbol readers
US5479000A (en) * 1989-10-30 1995-12-26 Symbol Technologies, Inc. Compact scanning module for reading bar codes
US5621371A (en) * 1989-10-30 1997-04-15 Symbol Technologies, Inc. Arrangement for two-dimensional optical scanning with springs of different moduli of elasticity
US5280165A (en) * 1989-10-30 1994-01-18 Symbol Technolgoies, Inc. Scan pattern generators for bar code symbol readers
US5552592A (en) * 1989-10-30 1996-09-03 Symbol Technologies, Inc. Slim scan module with dual detectors
US5373148A (en) * 1989-10-30 1994-12-13 Symbol Technologies, Inc. Optical scanners with scan motion damping and orientation of astigmantic laser generator to optimize reading of two-dimensionally coded indicia
GB2239101B (en) * 1989-11-17 1993-09-22 Marconi Gec Ltd Optical device
GB9003268D0 (en) * 1990-02-13 1990-04-11 Stevens William H Improvements in or relating to lasers
EP0809204B1 (en) * 1990-05-08 2003-03-19 Symbol Technologies, Inc. Scanning arrangement
US5625483A (en) * 1990-05-29 1997-04-29 Symbol Technologies, Inc. Integrated light source and scanning element implemented on a semiconductor or electro-optical substrate
CA2021519C (en) * 1990-05-29 2001-09-04 Jerome Swartz Scanning system implemented on semiconductor or electro-optical substrate
US5291473A (en) * 1990-06-06 1994-03-01 Texas Instruments Incorporated Optical storage media light beam positioning system
EP0460890A3 (en) * 1990-06-06 1992-11-25 Texas Instruments Incorporated Optical tracking system
CA2080784C (en) * 1991-11-04 2003-08-19 Simon Bard Compact bar code scanning arrangement
JP3003429B2 (en) * 1992-10-08 2000-01-31 富士電機株式会社 Torsional vibrator and optical deflector
GB2275787A (en) * 1993-03-05 1994-09-07 British Aerospace Silicon micro-mirror unit
EP0623888B1 (en) * 1993-05-07 1997-09-24 Opticon Sensors Europe B.V. Beam steering device
US5673139A (en) * 1993-07-19 1997-09-30 Medcom, Inc. Microelectromechanical television scanning device and method for making the same
JP3038134B2 (en) * 1994-06-20 2000-05-08 シャープ株式会社 Imaging device
US5874722A (en) 1994-07-19 1999-02-23 Spectra-Physics Scanning Systems, Inc. Compact scanner module mountable to pointing instrument
DE4442976A1 (en) * 1994-12-02 1996-06-05 Thomson Brandt Gmbh Device for the contactless optical scanning of information when recording on and / or playing back from a recording medium with recording tracks
US5594232A (en) * 1995-05-05 1997-01-14 Symbol Technologies, Inc. Planar arrangement for two-dimensional optical scanning
WO1998013720A1 (en) * 1996-09-27 1998-04-02 Medcam, Inc. Method and apparatus for optical scanning
US7098871B1 (en) 1998-08-05 2006-08-29 Microvision, Inc. Optical scanning system with correction
US6285489B1 (en) 1999-08-05 2001-09-04 Microvision Inc. Frequency tunable resonant scanner with auxiliary arms
US6515781B2 (en) 1999-08-05 2003-02-04 Microvision, Inc. Scanned imaging apparatus with switched feeds
US6654158B2 (en) 2001-04-20 2003-11-25 Microvision, Inc. Frequency tunable resonant scanner with auxiliary arms
US6256131B1 (en) 1999-08-05 2001-07-03 Microvision Inc. Active tuning of a torsional resonant structure
US6445362B1 (en) 1999-08-05 2002-09-03 Microvision, Inc. Scanned display with variation compensation
US6795221B1 (en) 1999-08-05 2004-09-21 Microvision, Inc. Scanned display with switched feeds and distortion correction
US6882462B2 (en) 2002-11-01 2005-04-19 Microvision, Inc. Resonant scanner with asymmetric mass distribution
US6661393B2 (en) 1999-08-05 2003-12-09 Microvision, Inc. Scanned display with variation compensation
US6433907B1 (en) 1999-08-05 2002-08-13 Microvision, Inc. Scanned display with plurality of scanning assemblies
US6384406B1 (en) 1999-08-05 2002-05-07 Microvision, Inc. Active tuning of a torsional resonant structure
US6245590B1 (en) 1999-08-05 2001-06-12 Microvision Inc. Frequency tunable resonant scanner and method of making
US6362912B1 (en) 1999-08-05 2002-03-26 Microvision, Inc. Scanned imaging apparatus with switched feeds
US6653621B2 (en) * 2001-03-23 2003-11-25 Microvision, Inc. Frequency tunable resonant scanner and method of making
US6924476B2 (en) * 2002-11-25 2005-08-02 Microvision, Inc. Resonant beam scanner with raster pinch compensation
US20020071169A1 (en) 2000-02-01 2002-06-13 Bowers John Edward Micro-electro-mechanical-system (MEMS) mirror device
US6753638B2 (en) 2000-02-03 2004-06-22 Calient Networks, Inc. Electrostatic actuator for micromechanical systems
US6456751B1 (en) 2000-04-13 2002-09-24 Calient Networks, Inc. Feedback stabilization of a loss optimized switch
US6449098B1 (en) 2000-05-16 2002-09-10 Calient Networks, Inc. High uniformity lens arrays having lens correction and methods for fabricating the same
US6628041B2 (en) 2000-05-16 2003-09-30 Calient Networks, Inc. Micro-electro-mechanical-system (MEMS) mirror device having large angle out of plane motion using shaped combed finger actuators and method for fabricating the same
US6585383B2 (en) 2000-05-18 2003-07-01 Calient Networks, Inc. Micromachined apparatus for improved reflection of light
US6560384B1 (en) 2000-06-01 2003-05-06 Calient Networks, Inc. Optical switch having mirrors arranged to accommodate freedom of movement
US6483961B1 (en) 2000-06-02 2002-11-19 Calient Networks, Inc. Dual refraction index collimator for an optical switch
US6668108B1 (en) 2000-06-02 2003-12-23 Calient Networks, Inc. Optical cross-connect switch with integrated optical signal tap
US6728016B1 (en) 2000-06-05 2004-04-27 Calient Networks, Inc. Safe procedure for moving mirrors in an optical cross-connect switch
US6610974B1 (en) 2000-06-05 2003-08-26 Calient Networks, Inc. Positioning a movable reflector in an optical switch
US6587611B1 (en) 2000-06-06 2003-07-01 Calient Networks, Inc. Maintaining path integrity in an optical switch
US6643425B1 (en) 2000-08-17 2003-11-04 Calient Networks, Inc. Optical switch having switch mirror arrays controlled by scanning beams
AU2001290930A1 (en) 2000-09-18 2002-03-26 Duke University Scanner apparatus having optical elements coupled to mems acuators
US6825967B1 (en) 2000-09-29 2004-11-30 Calient Networks, Inc. Shaped electrodes for micro-electro-mechanical-system (MEMS) devices to improve actuator performance and methods for fabricating the same
US6792177B2 (en) 2001-03-12 2004-09-14 Calient Networks, Inc. Optical switch with internal monitoring
US7110633B1 (en) 2001-08-13 2006-09-19 Calient Networks, Inc. Method and apparatus to provide alternative paths for optical protection path switch arrays
US7023402B2 (en) 2001-09-21 2006-04-04 Microvision, Inc. Scanned display with pinch, timing, and distortion correction
US6597825B1 (en) 2001-10-30 2003-07-22 Calient Networks, Inc. Optical tap for an optical switch
JP4551636B2 (en) * 2003-08-29 2010-09-29 キヤノン株式会社 Imaging device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0040302A2 (en) * 1980-05-19 1981-11-25 International Business Machines Corporation An optical ray deflection apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0040302A2 (en) * 1980-05-19 1981-11-25 International Business Machines Corporation An optical ray deflection apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6544863B1 (en) 2001-08-21 2003-04-08 Calient Networks, Inc. Method of fabricating semiconductor wafers having multiple height subsurface layers

Also Published As

Publication number Publication date
GB2175705A (en) 1986-12-03
GB8513250D0 (en) 1985-06-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee