BE710111A - - Google Patents

Info

Publication number
BE710111A
BE710111A BE710111DA BE710111A BE 710111 A BE710111 A BE 710111A BE 710111D A BE710111D A BE 710111DA BE 710111 A BE710111 A BE 710111A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE710111A publication Critical patent/BE710111A/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching
    • 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Polarising Elements (AREA)
BE710111D 1967-01-30 1968-01-30 BE710111A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4420/67A GB1168161A (en) 1967-01-30 1967-01-30 Improvements in or relating to Light Beam Deflector Systems

Publications (1)

Publication Number Publication Date
BE710111A true BE710111A (fr) 1968-07-30

Family

ID=9776853

Family Applications (1)

Application Number Title Priority Date Filing Date
BE710111D BE710111A (fr) 1967-01-30 1968-01-30

Country Status (7)

Country Link
US (1) US3536375A (fr)
BE (1) BE710111A (fr)
CH (1) CH482210A (fr)
DE (1) DE1639350A1 (fr)
FR (1) FR1553338A (fr)
GB (1) GB1168161A (fr)
NL (1) NL6801012A (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6118481Y2 (fr) * 1980-05-09 1986-06-05
US4580878A (en) * 1981-07-20 1986-04-08 Canon Kabushiki Kaisha Picture taking optical system for color video camera
US4571030A (en) * 1983-04-04 1986-02-18 Cooper Lasersonics, Inc. Sum-beam separator using critical angle
US4919522A (en) * 1988-02-25 1990-04-24 Geo-Centers, Inc. Optical switch having birefringent element
US6141300A (en) * 1989-06-20 2000-10-31 Discovision Associates Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same
US5265079A (en) 1991-02-15 1993-11-23 Applied Magnetics Corporation Seek actuator for optical recording
US5109189A (en) * 1990-02-27 1992-04-28 Geo-Centers, Inc. Single crystal electro-optic sensor with three-axis measurement capability
US5172186A (en) * 1990-07-03 1992-12-15 Konica Corporation Laser interferometry length measuring an apparatus employing a beam slitter
US5090824A (en) * 1990-07-31 1992-02-25 Geo-Centers, Inc. Fast optical switch having reduced light loss
GB2248989B (en) * 1990-10-15 1995-05-24 Applied Magnetics Corp Focus sensing apparatus and method
US5245174A (en) * 1990-10-15 1993-09-14 Applied Magnetics Corporation Focus sensing apparatus utilizing a reflecting surface having variable reflectivity
US5677899A (en) 1991-02-15 1997-10-14 Discovision Associates Method for moving carriage assembly from initial position to target position relative to storage medium
US6236625B1 (en) 1991-02-15 2001-05-22 Discovision Associates Optical disc system having current monitoring circuit with controller for laser driver and method for operating same
US5808980A (en) * 1991-02-15 1998-09-15 Discovision Associates Seek actuator for optical recording
US5729511A (en) 1991-02-15 1998-03-17 Discovision Associates Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
US6069857A (en) * 1991-02-15 2000-05-30 Discovision Associates Optical disc system having improved circuitry for performing blank sector check on readable disc
US5331622A (en) * 1991-05-28 1994-07-19 Applied Magnetics Corporation Compact optical head
US5657164A (en) * 1991-05-28 1997-08-12 Discovision Associates Optical beamsplitter
DE4132025C2 (de) * 1991-09-26 1994-07-21 Hell Ag Linotype Lichtstrahl-Ablenkvorrichtung
US5305136A (en) * 1992-03-31 1994-04-19 Geo-Centers, Inc. Optically bidirectional fast optical switch having reduced light loss
US5298964A (en) * 1992-03-31 1994-03-29 Geo-Center, Inc. Optical stress sensing system with directional measurement capabilities
US5400418A (en) * 1992-12-04 1995-03-21 Williams Telecommunication Group, Inc. Polarization independent all-fiber optical circulator
US5319483A (en) * 1992-12-04 1994-06-07 Williams Telecommunications Group, Inc. Polarization independent low cross-talk optical circulator
US5644428A (en) * 1993-03-03 1997-07-01 International Business Machines Corporation Continuously variable beam splitter
US5414540A (en) * 1993-06-01 1995-05-09 Bell Communications Research, Inc. Frequency-selective optical switch employing a frequency dispersive element, polarization dispersive element and polarization modulating elements
US5483342A (en) * 1993-06-25 1996-01-09 Hughes Aircraft Company Polarization rotator with frequency shifting phase conjugate mirror and simplified interferometric output coupler
US5748578A (en) * 1995-01-25 1998-05-05 Discovision Associates Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same
US6091684A (en) * 1995-01-25 2000-07-18 Discovision Associates Optical disc system and method for changing the rotational rate of an information storage medium
US5920539A (en) * 1995-01-25 1999-07-06 Discovision Associates Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor
US6434087B1 (en) 1995-01-25 2002-08-13 Discovision Associates Optical disc system and method for controlling bias coil and light source to process information on a storage medium

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB398100A (en) * 1933-02-20 1933-09-07 Leonard Bellingham Means for the division of a beam of light into two equal and parallel components
FR918102A (fr) * 1945-02-17 1947-01-30 Polaroid Corp Perfectionnements apportés aux dispositifs de polarisation de la lumière

Also Published As

Publication number Publication date
GB1168161A (en) 1969-10-22
FR1553338A (fr) 1969-01-10
DE1639350A1 (de) 1971-02-25
NL6801012A (fr) 1968-07-31
US3536375A (en) 1970-10-27
CH482210A (de) 1969-11-30

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